October 2020 - Talk - lists.gtalug.org

Right to Repair Article in NYT
by Don Tai 28 Oct '20

28 Oct '20

I repair and I hope that you do, too. Repair, resurrect and Reuse. Tech throws out so much after software can't keep up. Linux is one of the tools I use to keep PCs in service but still secure. I've not heard anything about Right to Repair legislation here in Canuck land. https://www.nytimes.com/2020/10/23/climate/right-to-repair.html

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[GTALUG-Announce] AGM Board Vote Notes
by Christopher Browne 13 Oct '20

13 Oct '20

** AGM Board Vote Notes In view of our "remote operation," the usual voting processes that take place in person cannot function, hence the following procedures. *** Voting via email The voting process will be done via email, starting on October 13th at 9:30pm EDT, and completing October 29th, 9:30pm EDT. In view of there having been a near absent attendance record, one of the board members has been released, therefore opening a seat for a one year term. Hence, there will be 3 board seats open, two for two year terms, and one for a one year term. Candidates will be asked to express their preference between the 1 and 2 year terms, so we will have two slates of candidates for the respective terms. Ballots will be sent to vote(a)gtlug.org, and should consist of the following: - 2 Year Board Term :: Candidate 1 - 2 Year Board Term :: Candidate 2 - 1 Year Board Term :: Candidate 3 As mentioned, votes should be submitted by GTALUG members via email to vote(a)gtalug.org. *** Count Procedure Votes sent to the GTALUG vote(a)gtalug.org address will be forwarded to the Returning Officer, and the official count will take place October 29th after 9:30pm EDT. -- When confronted by a difficult problem, solve it by reducing it to the question, "How would the Lone Ranger handle this?" --- GTALUG Announce mailing list announce(a)gtalug.org https://gtalug.org/mailman/listinfo/announce

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[GTALUG-Announce] Meeting Today
by hi＠gtalug.org 13 Oct '20

13 Oct '20

<https://gtalug.org/meeting/2020-10/> # AGM, Lightning talks, Round Table This is GTALUG's version of an un-conference, a loosely structured short talks emphasizing the informal exchange of information and ideas between participants, rather than following a conventionally structured GTALUG meetings. If you already have a topic in mind please send an email to speakers(a)gtalug.org to be added to the list of scheduled talks. A Round Table Q&A Session is where we take questions from the audience, and the audience discusses and attempts to answer those questions from their own knowledge. It's a great way to meet fellow members of our community and discover the skill sets we each bring to the table. There will be a bit of organizational business, as October is when we normally hold the Annual General Meeting of GTALUG, which will involve: - A brief financial report for the year - Introduction to the 2020 Board Elections As usual, we'll be meeting on Jitsi: * Meeting room url: https://jitsi.flamy.ca/GTALUG * Meeting Notes: https://etherpad.wikimedia.org/p/gtalug-october ## Location https://jitsi.flamy.ca/GTALUG ## Schedule * 7:30 pm - Meeting and presentation. # Code of Conduct We want a productive happy community that can welcome new ideas, improve every process every year, and foster collaboration between individuals with differing needs, interests and skills. We gain strength from diversity, and actively seek participation from those who enhance it. This code of conduct exists to ensure that diverse groups collaborate to mutual advantage and enjoyment. We will challenge prejudice that could jeopardise the participation of any person in the community. The Code of Conduct governs how we behave in public or in private whenever the Linux community will be judged by our actions. We expect it to be honoured by everyone who represents the community officially or informally, claims affiliation or participates directly. It applies to activities online or offline. We invite anybody to participate. Our community is open. Please read more about the GTALUG Code of Conduct here: https://gtalug.org/about/code-of-conduct/ If you have any questions, comments, or concerns about the GTALUG Code of Conduct please contact the GTALUG Board at board(a)gtalug.org. --- GTALUG Announce mailing list announce(a)gtalug.org https://gtalug.org/mailman/listinfo/announce

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Meeting tonight, I think
by D. Hugh Redelmeier 13 Oct '20

13 Oct '20

I think that we have one scheduled (it is the second Tuesday of the month). It should start with the Annual General Meeting. Dues are due and elections are held. Then there should be a slightly shorter normal meeting. I'm forwarding/repeating some relevant email from Chris Browne. ---------- Forwarded message ---------- From: Christopher Browne via talk <talk(a)gtalug.org> To: announce(a)gtalug.org Cc: Christopher Browne <cbbrowne(a)gmail.com> Date: Fri, 28 Aug 2020 10:24:50 -0400 Subject: [GTALUG] [GTALUG-Announce] GTALUG Membership In These COVID-19 Times In most years, membership has been handled via comparatively informal in-person processes, and those that wish to support GTALUG via membership would (broadly) follow the following steps: - Grab a membership form (that Chris passed out) - Try to pass Chris a $20 bill, whereupon Chris would say "take it back, and give it to me once you fill in the form" - Fill in the form, and hand it to Chris along with payment - Chris returns a few minutes later with a membership card As GTALUG is meeting virtually, these days, this process cannot occur as described. For those wishing to support GTALUG via membership, two routes are suggested: - The Cheque is In The Mail :: Send a payment via Canada Post. - Interac eTransfer :: Send funds from your bank to ours To ensure that membership has been addressed for voting at the 2020 AGM on October 13th, it is imperative to handle this earlier than that, as mail can take several days for delivery. Alas, either way, this imposes more bureaucracy and some more cost than we have been accustomed to. - Payment via check using Canada Post :: In this case, please send a cheque, made out to "GTALUG", in the amount of $20, along with the identification information indicated below, and please send to the following address: GTALUG 914-10 Carabob Court Toronto, ON M1T 3N5 - Interac eTransfer :: In this case, three pieces of information are critical, and must be shared both with your bank as well as with GTALUG. - Recipient :: The recipient email address is membership(a)gtalug.org - Security Question :: The content of this is not too important; "Random Value" or "Sooper Sekrut Data" are fine values. - Security Answer :: It is suggested that a random value be used. For instance, 215db45eb7f54e1e5907de3b50ac50ee is a value I got from passing 1K of data from /dev/random through md5sum, and that is a decent mechanism to get a relatively unguessable password. (Of course, since many people have seen that specific value, 215db45eb7f54e1e5907de3b50ac50ee, it would not be a good choice.) This security answer also needs to be emailed to the membership(a)gtalug.org address in order for us to receive the payment. - Common information :: Whichever of the above mechanisms is used for payment, please email the following membership information to membership(a)gtalug.org. Note that by longstanding policy, we do not pass your information on to outside organizations. - Name :: Your preferred name - Email :: Your preferred email address (if using Interac eTransfer, it's best to use the same address, so we know which email address to associate each security answer with) - Address :: If you are comfortable providing such - Security Answer :: If eTransfer is used, we need the Security Answer in order to actually receive funds *** Generating a random value, the Linux way Here is a script that repeatedly takes 1K of random data from /dev/random, and turns it into an md5 checksum to ensure that the value is human readable and not too long. #+BEGIN_EXAMPLE for i in 1 2 3 4 5; do dd if=/dev/random bs=1k count=2 status=none | md5sum; done 215db45eb7f54e1e5907de3b50ac50ee - 4f8f0e3a2944c857ebc3a7a776659134 - 1a52010a29ef3b2446d532ba389f65cb - 84e6b072e2661fc88b3a7b1ed1ce5873 - ef3f10a8b634760691e2ae53a0952707 - #+END_EXAMPLE

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Apache fails after upgrade
by William Witteman 08 Oct '20

08 Oct '20

I recently upgraded my webserver, and now Apache isn't starting. I have made no changes to the configuration - the only other this that I did was to install php-curl. My error is this: [:crit] [pid 1574] (38)Function not implemented: AH00141: Could not initialize random number generator There are a few things that I have seen online, but none have lead to a resolution. Anyone have any thoughts? Thanks!

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scanner on hp LaserJet Pro MFP M26nw
by Chris Aitken 07 Oct '20

07 Oct '20

Hi. Just joined the group. I can't get scanner (on my hp LaserJet Pro MFP M26nw) working. It was scanning fine on my ubuntu 14.0-something LTS machine. However, I got a more powerful computer and had a fresh install of ubuntu 20.04.1 LTS done. I typed sane in a terminal and got.. Command 'sane' not found, did you mean: command 'save' from deb atfs (1.4pl6-14) command 'xsane' from deb xsane (0.999-8ubuntu2) command 'sage' from deb sagemath-common (9.0-1ubuntu4) command 'saned' from deb sane-utils (1.0.29-0ubuntu5.2) Try: sudo apt install <deb name> I tried sudo apt-get install sane and got ... [sudo] password for owner: Reading package lists... Done Building dependency tree Reading state information... Done sane is already the newest version (1.0.14-15). The following packages were automatically installed and are no longer required: hplip-data libimagequant0 printer-driver-postscript-hp python3-olefile python3-pil python3-renderpm python3-reportlab python3-reportlab-accel Use 'sudo apt autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 16 not upgraded. So, I tried xsane and got ... Failed to load module "canberra-gtk-module" Then an hp wizard offered to install it, then ... Failed to open device 'hpaio:/usb_HP_LaserJet_Pro_MFP_M26nw?serial=CNB6J9P50R': Error during devioce I/O. Printing is working fine. Ideas? Chris

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[SOLVED] for the most part, was Re: USB power reporting Type-c super speed skirmish and libpartd error
by Russell Reiter 06 Oct '20

06 Oct '20

tl:dr Top posting this bit to say thanks. It appears I may have toasted a helper app in the firmware of the NVMe external type-c enclosure. I am much closer to normal operation now and the mb type-c seems to be fully operational. The port itself was not sacrificed to protect other components, which would be the intended activity in prolonged overcurrent activity at the point of connection. On Wed, Sep 23, 2020 at 3:52 PM D. Hugh Redelmeier via talk <talk(a)gtalug.org> wrote: > | From: Russell Reiter via talk <talk(a)gtalug.org Thanks to Hugh and Lennart I seem to be on the right track. Hugh's comment on my "holographic" original question reminded me that problem descriptions should fit known categories. In the OSI stack sense most likely this was a (1) PHY and (2) Data-Link layer problem, possibly related to bios discovery of devices without USB-PD factors taken into consideration. Lennarts graphical description of USB variants at this time reminded me how much of a pictorial thinker I am and helped me to visualize the source of the issue(s). > | I power off, unplug > | the power cable and press and hold the start button for a few seconds to > | see if I can dissipate any lingering bus voltage. I don't have a "manual" > | troubleshooting direction to do that, but things did start acting better > | when I started to do it. This was a practice I used to do diligently in > the > | 90's, from before switched power supplies, but I never needed to do it > much > | after 2000. > > At first I thought you meant "switching power supplies", but they were > introduced much earlier. > > Now I'm guessing you mean power supplies that are switched on and off > by the motherboard, rather than by a direct power supply switch. I > Yes that is what I meant. > guess that came in with the PS/2. (A lot of PC power supplies also > have direct switches but those switches tend not to get used.) > > If you turn off a PS through the motherboard, there is still some > power available. I infer it is used for > > - turning on the computer via a firmware timer (I often see this > option in a firmware setup page but have never used it) > > - USB charging even when the computer is off > Yes this is why I put the PCIe expansion card in the box. I figured with all the IoT stuff which needs charging, I'd try to contain that to a single access point for overnight charging, with the added benefit of being able to charge an emergency phone when the mains power is off, assuming I am present to shutdown correctly. This last outage even took out the phone system in my neighbourhood. This surprised even the power workers who reset the transformer breakers on my street. > > - wake-on-thing (LAN, Keyboard, mouse, whaterver) > > - lights-out updates > > If you turn off the direct power supply switch, none of that will > work. Unplugging the power supply from the wall should have the same > effect. > I have turned the p/s so the switch is on top, but I never remember that I flipped that switch, however I do remember when I actually remove the plug from the p/s. I guess this is a force of habit and memory. However it is usually a best practice to keep the unit grounded using the native ground provided by the neutral bus connection to the mains through the p/s. Apparently an overcurrent condition is first reported every time a device connects, even during bios discovery. The issue is whether or not the draw exceeds the limitations of what the bios expects. > > Anyway, your procedure should really reset things in a way that might > not happen otherwise. > It looks like this unexpected shutdown, just for plugging a USB device into the MB port, was a SHINE event, most likely due to misconfiguration in the bios discovery of the device as SATA (/w PD) vs PCIe which eliminates the power lane in favour of data transmission. USB-PD is kind of like changing a flat tire on a car at highway speed, we may be able to do that safely in the future but that technology is still under development. The libparted dependencies were solved on the next kernel update, so that was a bit of a red herring. I only had one type-c device to test with so I purchased an external multidrive adapter to be able to test my collection of old disks, one of which was taken out by power surges before I got the UPS. I have successfully tested two disks, using the mb type-c which reported overcurrent conditions. Two more disks are non operational. This first disk is from an old windows computer which I salvaged and put larger disks in. The second run is an obsoleted linux install. Both boots were with the disk plugged into the mb type-c and the system booted normally without reporting an overcurrent condition. I then removed and replugged them to track the udevadm monitor --env to look for overcurrent reports. Here is what udevadm monitor --env shows when the windows disk was plugged into the mb type-c UDEV - the event which udev sends out after rule processing KERNEL - the kernel uevent KERNEL[55466.818187] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 (usb) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 SUBSYSTEM=usb DEVNAME=/dev/bus/usb/006/002 DEVTYPE=usb_device PRODUCT=1f75/611/6 TYPE=0/0/0 BUSNUM=006 DEVNUM=002 SEQNUM=4172 MAJOR=189 MINOR=641 KERNEL[55466.825517] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 (usb) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 SUBSYSTEM=usb DEVTYPE=usb_interface PRODUCT=1f75/611/6 TYPE=0/0/0 INTERFACE=8/6/80 MODALIAS=usb:v1F75p0611d0006dc00dsc00dp00ic08isc06ip50in00 SEQNUM=4173 KERNEL[55466.825576] bind /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 (usb) ACTION=bind DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 SUBSYSTEM=usb DEVNAME=/dev/bus/usb/006/002 DEVTYPE=usb_device DRIVER=usb PRODUCT=1f75/611/6 TYPE=0/0/0 BUSNUM=006 DEVNUM=002 SEQNUM=4174 MAJOR=189 MINOR=641 UDEV [55466.875267] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 (usb) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 SUBSYSTEM=usb DEVNAME=/dev/bus/usb/006/002 DEVTYPE=usb_device PRODUCT=1f75/611/6 TYPE=0/0/0 BUSNUM=006 DEVNUM=002 SEQNUM=4172 USEC_INITIALIZED=55466875094 ID_VENDOR=Innostor ID_VENDOR_ENC=Innostor ID_VENDOR_ID=1f75 ID_MODEL=Ext._HDD ID_MODEL_ENC=Ext.\x20HDD ID_MODEL_ID=0611 ID_REVISION=0006 ID_SERIAL=Innostor_Ext._HDD_20200808 ID_SERIAL_SHORT=20200808 ID_BUS=usb ID_USB_INTERFACES=:080650: ID_VENDOR_FROM_DATABASE=Innostor Technology Corporation ID_PATH=pci-0000:08:00.0-usb-0:1 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1 DRIVER=usb MAJOR=189 MINOR=641 KERNEL[55466.881483] add /module/usb_storage (module) ACTION=add DEVPATH=/module/usb_storage SUBSYSTEM=module SEQNUM=4175 KERNEL[55466.881761] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4 (scsi) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4 SUBSYSTEM=scsi DEVTYPE=scsi_host SEQNUM=4176 KERNEL[55466.881777] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/scsi_host/host4 (scsi_host) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/scsi_host/host4 SUBSYSTEM=scsi_host SEQNUM=4177 KERNEL[55466.881800] bind /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 (usb) ACTION=bind DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 SUBSYSTEM=usb DEVTYPE=usb_interface DRIVER=usb-storage PRODUCT=1f75/611/6 TYPE=0/0/0 INTERFACE=8/6/80 MODALIAS=usb:v1F75p0611d0006dc00dsc00dp00ic08isc06ip50in00 SEQNUM=4178 KERNEL[55466.881840] add /bus/usb/drivers/usb-storage (drivers) ACTION=add DEVPATH=/bus/usb/drivers/usb-storage SUBSYSTEM=drivers SEQNUM=4179 UDEV [55466.882706] add /module/usb_storage (module) ACTION=add DEVPATH=/module/usb_storage SUBSYSTEM=module SEQNUM=4175 USEC_INITIALIZED=55466882670 UDEV [55466.883117] add /bus/usb/drivers/usb-storage (drivers) ACTION=add DEVPATH=/bus/usb/drivers/usb-storage SUBSYSTEM=drivers SEQNUM=4179 USEC_INITIALIZED=55466883085 KERNEL[55466.883672] add /module/uas (module) ACTION=add DEVPATH=/module/uas SUBSYSTEM=module SEQNUM=4180 KERNEL[55466.883740] add /bus/usb/drivers/uas (drivers) ACTION=add DEVPATH=/bus/usb/drivers/uas SUBSYSTEM=drivers SEQNUM=4181 UDEV [55466.883844] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 (usb) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 SUBSYSTEM=usb DEVTYPE=usb_interface PRODUCT=1f75/611/6 TYPE=0/0/0 INTERFACE=8/6/80 MODALIAS=usb:v1F75p0611d0006dc00dsc00dp00ic08isc06ip50in00 SEQNUM=4173 USEC_INITIALIZED=55466876823 ID_VENDOR_FROM_DATABASE=Innostor Technology Corporation ID_PATH=pci-0000:08:00.0-usb-0:1:1.0 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1_1_0 UDEV [55466.884269] add /module/uas (module) ACTION=add DEVPATH=/module/uas SUBSYSTEM=module SEQNUM=4180 USEC_INITIALIZED=55466884238 UDEV [55466.884328] add /bus/usb/drivers/uas (drivers) ACTION=add DEVPATH=/bus/usb/drivers/uas SUBSYSTEM=drivers SEQNUM=4181 USEC_INITIALIZED=55466884298 UDEV [55466.887730] bind /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 (usb) ACTION=bind DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 SUBSYSTEM=usb DEVNAME=/dev/bus/usb/006/002 DEVTYPE=usb_device DRIVER=usb PRODUCT=1f75/611/6 TYPE=0/0/0 BUSNUM=006 DEVNUM=002 SEQNUM=4174 USEC_INITIALIZED=55466875094 ID_VENDOR=Innostor ID_VENDOR_ENC=Innostor ID_VENDOR_ID=1f75 ID_MODEL=Ext._HDD ID_MODEL_ENC=Ext.\x20HDD ID_MODEL_ID=0611 ID_REVISION=0006 ID_SERIAL=Innostor_Ext._HDD_20200808 ID_SERIAL_SHORT=20200808 ID_BUS=usb ID_USB_INTERFACES=:080650: ID_VENDOR_FROM_DATABASE=Innostor Technology Corporation ID_PATH=pci-0000:08:00.0-usb-0:1 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1 MAJOR=189 MINOR=641 UDEV [55466.888808] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4 (scsi) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4 SUBSYSTEM=scsi DEVTYPE=scsi_host SEQNUM=4176 USEC_INITIALIZED=55466888745 UDEV [55466.889717] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/scsi_host/host4 (scsi_host) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/scsi_host/host4 SUBSYSTEM=scsi_host SEQNUM=4177 USEC_INITIALIZED=55466889651 UDEV [55466.890883] bind /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 (usb) ACTION=bind DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 SUBSYSTEM=usb DEVTYPE=usb_interface DRIVER=usb-storage PRODUCT=1f75/611/6 TYPE=0/0/0 INTERFACE=8/6/80 MODALIAS=usb:v1F75p0611d0006dc00dsc00dp00ic08isc06ip50in00 SEQNUM=4178 USEC_INITIALIZED=55466876823 ID_VENDOR_FROM_DATABASE=Innostor Technology Corporation ID_PATH=pci-0000:08:00.0-usb-0:1:1.0 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1_1_0 KERNEL[55467.912098] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0 (scsi) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0 SUBSYSTEM=scsi DEVTYPE=scsi_target SEQNUM=4182 KERNEL[55467.912239] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 (scsi) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 SUBSYSTEM=scsi DEVTYPE=scsi_device MODALIAS=scsi:t-0x00 SEQNUM=4183 KERNEL[55467.912357] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_device/4:0:0:0 (scsi_device) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_device/4:0:0:0 SUBSYSTEM=scsi_device SEQNUM=4184 KERNEL[55467.912421] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_disk/4:0:0:0 (scsi_disk) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_disk/4:0:0:0 SUBSYSTEM=scsi_disk SEQNUM=4185 KERNEL[55467.912513] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_generic/sg2 (scsi_generic) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_generic/sg2 SUBSYSTEM=scsi_generic DEVNAME=/dev/sg2 SEQNUM=4186 MAJOR=21 MINOR=2 KERNEL[55467.912821] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/bsg/4:0:0:0 (bsg) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/bsg/4:0:0:0 SUBSYSTEM=bsg DEVNAME=/dev/bsg/4:0:0:0 SEQNUM=4187 MAJOR=245 MINOR=2 UDEV [55467.917085] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0 (scsi) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0 SUBSYSTEM=scsi DEVTYPE=scsi_target SEQNUM=4182 USEC_INITIALIZED=55467916880 UDEV [55467.922151] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 (scsi) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 SUBSYSTEM=scsi DEVTYPE=scsi_device MODALIAS=scsi:t-0x00 SEQNUM=4183 USEC_INITIALIZED=55467921790 DRIVER=sd UDEV [55467.927912] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_device/4:0:0:0 (scsi_device) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_device/4:0:0:0 SUBSYSTEM=scsi_device SEQNUM=4184 USEC_INITIALIZED=55467927698 UDEV [55467.928121] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_disk/4:0:0:0 (scsi_disk) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_disk/4:0:0:0 SUBSYSTEM=scsi_disk SEQNUM=4185 USEC_INITIALIZED=55467928054 UDEV [55467.928899] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_generic/sg2 (scsi_generic) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_generic/sg2 SUBSYSTEM=scsi_generic DEVNAME=/dev/sg2 SEQNUM=4186 USEC_INITIALIZED=55467928817 MAJOR=21 MINOR=2 UDEV [55467.929489] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/bsg/4:0:0:0 (bsg) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/bsg/4:0:0:0 SUBSYSTEM=bsg DEVNAME=/dev/bsg/4:0:0:0 SEQNUM=4187 USEC_INITIALIZED=55467929395 MAJOR=245 MINOR=2 KERNEL[55467.932292] add /devices/virtual/bdi/8:16 (bdi) ACTION=add DEVPATH=/devices/virtual/bdi/8:16 SUBSYSTEM=bdi SEQNUM=4188 UDEV [55467.933005] add /devices/virtual/bdi/8:16 (bdi) ACTION=add DEVPATH=/devices/virtual/bdi/8:16 SUBSYSTEM=bdi SEQNUM=4188 USEC_INITIALIZED=55467932925 KERNEL[55467.945258] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb SUBSYSTEM=block DEVNAME=/dev/sdb DEVTYPE=disk SEQNUM=4189 MAJOR=8 MINOR=16 KERNEL[55467.945436] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb1 (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb1 SUBSYSTEM=block DEVNAME=/dev/sdb1 DEVTYPE=partition PARTN=1 SEQNUM=4190 MAJOR=8 MINOR=17 KERNEL[55467.948527] bind /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 (scsi) ACTION=bind DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 SUBSYSTEM=scsi DEVTYPE=scsi_device DRIVER=sd MODALIAS=scsi:t-0x00 SEQNUM=4191 UDEV [55468.216211] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb SUBSYSTEM=block DEVNAME=/dev/sdb DEVTYPE=disk SEQNUM=4189 USEC_INITIALIZED=55468214893 ID_VENDOR=DW_CDW04 ID_VENDOR_ENC=DW\x20CDW04 ID_VENDOR_ID=1f75 ID_MODEL=J0-B00TE0A ID_MODEL_ENC=J0-B00TE0A\x20\x20\x20\x20\x20\x20 ID_MODEL_ID=0611 ID_REVISION=0006 ID_SERIAL=DW_CDW04_J0-B00TE0A_20200808-0:0 ID_SERIAL_SHORT=20200808 ID_TYPE=disk ID_INSTANCE=0:0 ID_BUS=usb ID_USB_INTERFACES=:080650: ID_USB_INTERFACE_NUM=00 ID_USB_DRIVER=usb-storage ID_PATH=pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1_1_0-scsi-0_0_0_0 ID_PART_TABLE_UUID=4ea5b0c8 ID_PART_TABLE_TYPE=dos .ID_FS_TYPE_NEW= ID_FS_TYPE= MAJOR=8 MINOR=16 DEVLINKS=/dev/disk/by-path/pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0 /dev/disk/by-id/usb-DW_CDW04_J0-B00TE0A_20200808-0:0 TAGS=:systemd: UDEV [55468.307293] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb1 (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb1 SUBSYSTEM=block DEVNAME=/dev/sdb1 DEVTYPE=partition PARTN=1 SEQNUM=4190 USEC_INITIALIZED=55468306125 ID_VENDOR=DW_CDW04 ID_VENDOR_ENC=DW\x20CDW04 ID_VENDOR_ID=1f75 ID_MODEL=J0-B00TE0A ID_MODEL_ENC=J0-B00TE0A\x20\x20\x20\x20\x20\x20 ID_MODEL_ID=0611 ID_REVISION=0006 ID_SERIAL=DW_CDW04_J0-B00TE0A_20200808-0:0 ID_SERIAL_SHORT=20200808 ID_TYPE=disk ID_INSTANCE=0:0 ID_BUS=usb ID_USB_INTERFACES=:080650: ID_USB_INTERFACE_NUM=00 ID_USB_DRIVER=usb-storage ID_PATH=pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1_1_0-scsi-0_0_0_0 ID_PART_TABLE_UUID=4ea5b0c8 ID_PART_TABLE_TYPE=dos ID_FS_UUID=783472383471F988 ID_FS_UUID_ENC=783472383471F988 ID_FS_TYPE=ntfs ID_FS_USAGE=filesystem ID_PART_ENTRY_SCHEME=dos ID_PART_ENTRY_UUID=4ea5b0c8-01 ID_PART_ENTRY_TYPE=0x7 ID_PART_ENTRY_FLAGS=0x80 ID_PART_ENTRY_NUMBER=1 ID_PART_ENTRY_OFFSET=63 ID_PART_ENTRY_SIZE=39070017 ID_PART_ENTRY_DISK=8:16 .ID_FS_TYPE_NEW=ntfs MAJOR=8 MINOR=17 DEVLINKS=/dev/disk/by-path/pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0-part1 /dev/disk/by-id/usb-DW_CDW04_J0-B00TE0A_20200808-0:0-part1 /dev/disk/by-partuuid/4ea5b0c8-01 /dev/disk/by-uuid/783472383471F988 TAGS=:systemd: UDEV [55468.312006] bind /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 (scsi) ACTION=bind DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 SUBSYSTEM=scsi DEVTYPE=scsi_device DRIVER=sd MODALIAS=scsi:t-0x00 SEQNUM=4191 USEC_INITIALIZED=55468311767 KERNEL[55468.467092] add /devices/virtual/bdi/8:17-fuseblk (bdi) ACTION=add DEVPATH=/devices/virtual/bdi/8:17-fuseblk SUBSYSTEM=bdi SEQNUM=4192 UDEV [55468.473038] add /devices/virtual/bdi/8:17-fuseblk (bdi) ACTION=add DEVPATH=/devices/virtual/bdi/8:17-fuseblk SUBSYSTEM=bdi SEQNUM=4192 USEC_INITIALIZED=55468472432 ------- This following report is for an old disk with obsolete Fedora on it, also plugged into the mb type-c. it was also booted and subsequently re-mounted without reporting overcurrent. In both cases I booted with the disks connected and powered up by the external ps adapter. In both cases the system defaulted to booting from them and failed for not matching the current hardware I am using. ------- monitor will print the received events for: UDEV - the event which udev sends out after rule processing KERNEL - the kernel uevent KERNEL[705.089527] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 (usb) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 SUBSYSTEM=usb DEVNAME=/dev/bus/usb/006/003 DEVTYPE=usb_device PRODUCT=1f75/611/6 TYPE=0/0/0 BUSNUM=006 DEVNUM=003 SEQNUM=4172 MAJOR=189 MINOR=642 KERNEL[705.096740] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 (usb) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 SUBSYSTEM=usb DEVTYPE=usb_interface PRODUCT=1f75/611/6 TYPE=0/0/0 INTERFACE=8/6/80 MODALIAS=usb:v1F75p0611d0006dc00dsc00dp00ic08isc06ip50in00 SEQNUM=4173 KERNEL[705.097024] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4 (scsi) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4 SUBSYSTEM=scsi DEVTYPE=scsi_host SEQNUM=4174 KERNEL[705.097052] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/scsi_host/host4 (scsi_host) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/scsi_host/host4 SUBSYSTEM=scsi_host SEQNUM=4175 KERNEL[705.097083] bind /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 (usb) ACTION=bind DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 SUBSYSTEM=usb DEVTYPE=usb_interface DRIVER=usb-storage PRODUCT=1f75/611/6 TYPE=0/0/0 INTERFACE=8/6/80 MODALIAS=usb:v1F75p0611d0006dc00dsc00dp00ic08isc06ip50in00 SEQNUM=4176 KERNEL[705.097139] bind /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 (usb) ACTION=bind DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 SUBSYSTEM=usb DEVNAME=/dev/bus/usb/006/003 DEVTYPE=usb_device DRIVER=usb PRODUCT=1f75/611/6 TYPE=0/0/0 BUSNUM=006 DEVNUM=003 SEQNUM=4177 MAJOR=189 MINOR=642 UDEV [705.105165] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 (usb) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 SUBSYSTEM=usb DEVNAME=/dev/bus/usb/006/003 DEVTYPE=usb_device PRODUCT=1f75/611/6 TYPE=0/0/0 BUSNUM=006 DEVNUM=003 SEQNUM=4172 USEC_INITIALIZED=705104944 ID_VENDOR=Innostor ID_VENDOR_ENC=Innostor ID_VENDOR_ID=1f75 ID_MODEL=Ext._HDD ID_MODEL_ENC=Ext.\x20HDD ID_MODEL_ID=0611 ID_REVISION=0006 ID_SERIAL=Innostor_Ext._HDD_20200808 ID_SERIAL_SHORT=20200808 ID_BUS=usb ID_USB_INTERFACES=:080650: ID_VENDOR_FROM_DATABASE=Innostor Technology Corporation ID_PATH=pci-0000:08:00.0-usb-0:1 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1 DRIVER=usb MAJOR=189 MINOR=642 UDEV [705.108195] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 (usb) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 SUBSYSTEM=usb DEVTYPE=usb_interface PRODUCT=1f75/611/6 TYPE=0/0/0 INTERFACE=8/6/80 MODALIAS=usb:v1F75p0611d0006dc00dsc00dp00ic08isc06ip50in00 SEQNUM=4173 USEC_INITIALIZED=705107862 ID_VENDOR_FROM_DATABASE=Innostor Technology Corporation ID_PATH=pci-0000:08:00.0-usb-0:1:1.0 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1_1_0 DRIVER=usb-storage UDEV [705.109911] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4 (scsi) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4 SUBSYSTEM=scsi DEVTYPE=scsi_host SEQNUM=4174 USEC_INITIALIZED=705109818 UDEV [705.111051] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/scsi_host/host4 (scsi_host) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/scsi_host/host4 SUBSYSTEM=scsi_host SEQNUM=4175 USEC_INITIALIZED=705110993 UDEV [705.112108] bind /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 (usb) ACTION=bind DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0 SUBSYSTEM=usb DEVTYPE=usb_interface DRIVER=usb-storage PRODUCT=1f75/611/6 TYPE=0/0/0 INTERFACE=8/6/80 MODALIAS=usb:v1F75p0611d0006dc00dsc00dp00ic08isc06ip50in00 SEQNUM=4176 USEC_INITIALIZED=705107862 ID_VENDOR_FROM_DATABASE=Innostor Technology Corporation ID_PATH=pci-0000:08:00.0-usb-0:1:1.0 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1_1_0 UDEV [705.115963] bind /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 (usb) ACTION=bind DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1 SUBSYSTEM=usb DEVNAME=/dev/bus/usb/006/003 DEVTYPE=usb_device DRIVER=usb PRODUCT=1f75/611/6 TYPE=0/0/0 BUSNUM=006 DEVNUM=003 SEQNUM=4177 USEC_INITIALIZED=705104944 ID_VENDOR=Innostor ID_VENDOR_ENC=Innostor ID_VENDOR_ID=1f75 ID_MODEL=Ext._HDD ID_MODEL_ENC=Ext.\x20HDD ID_MODEL_ID=0611 ID_REVISION=0006 ID_SERIAL=Innostor_Ext._HDD_20200808 ID_SERIAL_SHORT=20200808 ID_BUS=usb ID_USB_INTERFACES=:080650: ID_VENDOR_FROM_DATABASE=Innostor Technology Corporation ID_PATH=pci-0000:08:00.0-usb-0:1 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1 MAJOR=189 MINOR=642 KERNEL[706.119403] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0 (scsi) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0 SUBSYSTEM=scsi DEVTYPE=scsi_target SEQNUM=4178 KERNEL[706.119564] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 (scsi) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 SUBSYSTEM=scsi DEVTYPE=scsi_device MODALIAS=scsi:t-0x00 SEQNUM=4179 KERNEL[706.119711] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_device/4:0:0:0 (scsi_device) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_device/4:0:0:0 SUBSYSTEM=scsi_device SEQNUM=4180 KERNEL[706.119813] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_disk/4:0:0:0 (scsi_disk) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_disk/4:0:0:0 SUBSYSTEM=scsi_disk SEQNUM=4181 KERNEL[706.119938] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_generic/sg2 (scsi_generic) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_generic/sg2 SUBSYSTEM=scsi_generic DEVNAME=/dev/sg2 SEQNUM=4182 MAJOR=21 MINOR=2 KERNEL[706.120222] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/bsg/4:0:0:0 (bsg) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/bsg/4:0:0:0 SUBSYSTEM=bsg DEVNAME=/dev/bsg/4:0:0:0 SEQNUM=4183 MAJOR=245 MINOR=2 UDEV [706.124707] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0 (scsi) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0 SUBSYSTEM=scsi DEVTYPE=scsi_target SEQNUM=4178 USEC_INITIALIZED=706124520 UDEV [706.126220] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 (scsi) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 SUBSYSTEM=scsi DEVTYPE=scsi_device MODALIAS=scsi:t-0x00 SEQNUM=4179 USEC_INITIALIZED=706126124 DRIVER=sd UDEV [706.127272] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_device/4:0:0:0 (scsi_device) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_device/4:0:0:0 SUBSYSTEM=scsi_device SEQNUM=4180 USEC_INITIALIZED=706127238 UDEV [706.128196] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_disk/4:0:0:0 (scsi_disk) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_disk/4:0:0:0 SUBSYSTEM=scsi_disk SEQNUM=4181 USEC_INITIALIZED=706128163 UDEV [706.129082] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/bsg/4:0:0:0 (bsg) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/bsg/4:0:0:0 SUBSYSTEM=bsg DEVNAME=/dev/bsg/4:0:0:0 SEQNUM=4183 USEC_INITIALIZED=706129005 MAJOR=245 MINOR=2 UDEV [706.129117] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_generic/sg2 (scsi_generic) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/scsi_generic/sg2 SUBSYSTEM=scsi_generic DEVNAME=/dev/sg2 SEQNUM=4182 USEC_INITIALIZED=706129018 MAJOR=21 MINOR=2 KERNEL[706.135354] add /devices/virtual/bdi/8:16 (bdi) ACTION=add DEVPATH=/devices/virtual/bdi/8:16 SUBSYSTEM=bdi SEQNUM=4184 UDEV [706.135947] add /devices/virtual/bdi/8:16 (bdi) ACTION=add DEVPATH=/devices/virtual/bdi/8:16 SUBSYSTEM=bdi SEQNUM=4184 USEC_INITIALIZED=706135880 KERNEL[706.161422] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb SUBSYSTEM=block DEVNAME=/dev/sdb DEVTYPE=disk SEQNUM=4185 MAJOR=8 MINOR=16 KERNEL[706.161476] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb1 (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb1 SUBSYSTEM=block DEVNAME=/dev/sdb1 DEVTYPE=partition PARTN=1 SEQNUM=4186 MAJOR=8 MINOR=17 KERNEL[706.161527] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb2 (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb2 SUBSYSTEM=block DEVNAME=/dev/sdb2 DEVTYPE=partition PARTN=2 SEQNUM=4187 MAJOR=8 MINOR=18 KERNEL[706.161583] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb5 (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb5 SUBSYSTEM=block DEVNAME=/dev/sdb5 DEVTYPE=partition PARTN=5 SEQNUM=4188 MAJOR=8 MINOR=21 KERNEL[706.161644] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb6 (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb6 SUBSYSTEM=block DEVNAME=/dev/sdb6 DEVTYPE=partition PARTN=6 SEQNUM=4189 MAJOR=8 MINOR=22 KERNEL[706.163508] bind /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 (scsi) ACTION=bind DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 SUBSYSTEM=scsi DEVTYPE=scsi_device DRIVER=sd MODALIAS=scsi:t-0x00 SEQNUM=4190 UDEV [706.367914] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb SUBSYSTEM=block DEVNAME=/dev/sdb DEVTYPE=disk SEQNUM=4185 USEC_INITIALIZED=706366681 ID_VENDOR=AMTXRO6 ID_VENDOR_ENC=AMTXRO6\x20 ID_VENDOR_ID=1f75 ID_MODEL=0L084L ID_MODEL_ENC=0L084L\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20 ID_MODEL_ID=0611 ID_REVISION=0006 ID_SERIAL=AMTXRO6_0L084L_20200808-0:0 ID_SERIAL_SHORT=20200808 ID_TYPE=disk ID_INSTANCE=0:0 ID_BUS=usb ID_USB_INTERFACES=:080650: ID_USB_INTERFACE_NUM=00 ID_USB_DRIVER=usb-storage ID_PATH=pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1_1_0-scsi-0_0_0_0 ID_PART_TABLE_UUID=00023a3c ID_PART_TABLE_TYPE=dos .ID_FS_TYPE_NEW= ID_FS_TYPE= MAJOR=8 MINOR=16 DEVLINKS=/dev/disk/by-id/usb-AMTXRO6_0L084L_20200808-0:0 /dev/disk/by-path/pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0 TAGS=:systemd: UDEV [706.496528] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb2 (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb2 SUBSYSTEM=block DEVNAME=/dev/sdb2 DEVTYPE=partition PARTN=2 SEQNUM=4187 USEC_INITIALIZED=706495604 ID_VENDOR=AMTXRO6 ID_VENDOR_ENC=AMTXRO6\x20 ID_VENDOR_ID=1f75 ID_MODEL=0L084L ID_MODEL_ENC=0L084L\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20 ID_MODEL_ID=0611 ID_REVISION=0006 ID_SERIAL=AMTXRO6_0L084L_20200808-0:0 ID_SERIAL_SHORT=20200808 ID_TYPE=disk ID_INSTANCE=0:0 ID_BUS=usb ID_USB_INTERFACES=:080650: ID_USB_INTERFACE_NUM=00 ID_USB_DRIVER=usb-storage ID_PATH=pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1_1_0-scsi-0_0_0_0 ID_PART_TABLE_UUID=ec868b08 ID_PART_TABLE_TYPE=dos ID_PART_ENTRY_SCHEME=dos ID_PART_ENTRY_UUID=00023a3c-02 ID_PART_ENTRY_TYPE=0x5 ID_PART_ENTRY_NUMBER=2 ID_PART_ENTRY_OFFSET=19533822 ID_PART_ENTRY_SIZE=136820738 ID_PART_ENTRY_DISK=8:16 .ID_FS_TYPE_NEW= ID_FS_TYPE= MAJOR=8 MINOR=18 DEVLINKS=/dev/disk/by-path/pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0-part2 /dev/disk/by-partuuid/00023a3c-02 /dev/disk/by-id/usb-AMTXRO6_0L084L_20200808-0:0-part2 TAGS=:systemd: UDEV [707.011501] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb6 (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb6 SUBSYSTEM=block DEVNAME=/dev/sdb6 DEVTYPE=partition PARTN=6 SEQNUM=4189 USEC_INITIALIZED=707010921 ID_VENDOR=AMTXRO6 ID_VENDOR_ENC=AMTXRO6\x20 ID_VENDOR_ID=1f75 ID_MODEL=0L084L ID_MODEL_ENC=0L084L\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20 ID_MODEL_ID=0611 ID_REVISION=0006 ID_SERIAL=AMTXRO6_0L084L_20200808-0:0 ID_SERIAL_SHORT=20200808 ID_TYPE=disk ID_INSTANCE=0:0 ID_BUS=usb ID_USB_INTERFACES=:080650: ID_USB_INTERFACE_NUM=00 ID_USB_DRIVER=usb-storage ID_PATH=pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1_1_0-scsi-0_0_0_0 ID_PART_TABLE_UUID=00023a3c ID_PART_TABLE_TYPE=dos ID_FS_UUID=ed34e3f3-6bcc-4142-baf1-3e0ddf7a0120 ID_FS_UUID_ENC=ed34e3f3-6bcc-4142-baf1-3e0ddf7a0120 ID_FS_VERSION=1.0 ID_FS_TYPE=ext4 ID_FS_USAGE=filesystem ID_PART_ENTRY_SCHEME=dos ID_PART_ENTRY_UUID=00023a3c-06 ID_PART_ENTRY_TYPE=0x83 ID_PART_ENTRY_NUMBER=6 ID_PART_ENTRY_OFFSET=21626880 ID_PART_ENTRY_SIZE=63322112 ID_PART_ENTRY_DISK=8:16 .ID_FS_TYPE_NEW=ext4 MAJOR=8 MINOR=22 DEVLINKS=/dev/disk/by-uuid/ed34e3f3-6bcc-4142-baf1-3e0ddf7a0120 /dev/disk/by-id/usb-AMTXRO6_0L084L_20200808-0:0-part6 /dev/disk/by-path/pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0-part6 /dev/disk/by-partuuid/00023a3c-06 TAGS=:systemd: UDEV [707.051228] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb1 (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb1 SUBSYSTEM=block DEVNAME=/dev/sdb1 DEVTYPE=partition PARTN=1 SEQNUM=4186 USEC_INITIALIZED=707050942 ID_VENDOR=AMTXRO6 ID_VENDOR_ENC=AMTXRO6\x20 ID_VENDOR_ID=1f75 ID_MODEL=0L084L ID_MODEL_ENC=0L084L\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20 ID_MODEL_ID=0611 ID_REVISION=0006 ID_SERIAL=AMTXRO6_0L084L_20200808-0:0 ID_SERIAL_SHORT=20200808 ID_TYPE=disk ID_INSTANCE=0:0 ID_BUS=usb ID_USB_INTERFACES=:080650: ID_USB_INTERFACE_NUM=00 ID_USB_DRIVER=usb-storage ID_PATH=pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1_1_0-scsi-0_0_0_0 ID_PART_TABLE_UUID=00023a3c ID_PART_TABLE_TYPE=dos ID_FS_UUID=32d085ff-02ca-47e3-a43a-8d8bc847e2bc ID_FS_UUID_ENC=32d085ff-02ca-47e3-a43a-8d8bc847e2bc ID_FS_VERSION=1.0 ID_FS_TYPE=ext4 ID_FS_USAGE=filesystem ID_PART_ENTRY_SCHEME=dos ID_PART_ENTRY_UUID=00023a3c-01 ID_PART_ENTRY_TYPE=0x83 ID_PART_ENTRY_FLAGS=0x80 ID_PART_ENTRY_NUMBER=1 ID_PART_ENTRY_OFFSET=2048 ID_PART_ENTRY_SIZE=19529728 ID_PART_ENTRY_DISK=8:16 .ID_FS_TYPE_NEW=ext4 MAJOR=8 MINOR=17 DEVLINKS=/dev/disk/by-uuid/32d085ff-02ca-47e3-a43a-8d8bc847e2bc /dev/disk/by-partuuid/00023a3c-01 /dev/disk/by-id/usb-AMTXRO6_0L084L_20200808-0:0-part1 /dev/disk/by-path/pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0-part1 TAGS=:systemd: UDEV [707.110303] add /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb5 (block) ACTION=add DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0/block/sdb/sdb5 SUBSYSTEM=block DEVNAME=/dev/sdb5 DEVTYPE=partition PARTN=5 SEQNUM=4188 USEC_INITIALIZED=707110095 ID_VENDOR=AMTXRO6 ID_VENDOR_ENC=AMTXRO6\x20 ID_VENDOR_ID=1f75 ID_MODEL=0L084L ID_MODEL_ENC=0L084L\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20 ID_MODEL_ID=0611 ID_REVISION=0006 ID_SERIAL=AMTXRO6_0L084L_20200808-0:0 ID_SERIAL_SHORT=20200808 ID_TYPE=disk ID_INSTANCE=0:0 ID_BUS=usb ID_USB_INTERFACES=:080650: ID_USB_INTERFACE_NUM=00 ID_USB_DRIVER=usb-storage ID_PATH=pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0 ID_PATH_TAG=pci-0000_08_00_0-usb-0_1_1_0-scsi-0_0_0_0 ID_PART_TABLE_UUID=00023a3c ID_PART_TABLE_TYPE=dos ID_FS_UUID=636db96f-28e9-4473-ad33-48d863645ede ID_FS_UUID_ENC=636db96f-28e9-4473-ad33-48d863645ede ID_FS_VERSION=1 ID_FS_TYPE=swap ID_FS_USAGE=other ID_PART_ENTRY_SCHEME=dos ID_PART_ENTRY_UUID=00023a3c-05 ID_PART_ENTRY_TYPE=0x82 ID_PART_ENTRY_NUMBER=5 ID_PART_ENTRY_OFFSET=19533824 ID_PART_ENTRY_SIZE=2091008 ID_PART_ENTRY_DISK=8:16 .ID_FS_TYPE_NEW=swap MAJOR=8 MINOR=21 DEVLINKS=/dev/disk/by-path/pci-0000:08:00.0-usb-0:1:1.0-scsi-0:0:0:0-part5 /dev/disk/by-id/usb-AMTXRO6_0L084L_20200808-0:0-part5 /dev/disk/by-uuid/636db96f-28e9-4473-ad33-48d863645ede /dev/disk/by-partuuid/00023a3c-05 TAGS=:systemd: UDEV [707.111531] bind /devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 (scsi) ACTION=bind DEVPATH=/devices/pci0000:00/0000:00:1c.4/0000:08:00.0/usb6/6-1/6-1:1.0/host4/target4:0:0/4:0:0:0 SUBSYSTEM=scsi DEVTYPE=scsi_device DRIVER=sd MODALIAS=scsi:t-0x00 SEQNUM=4190 USEC_INITIALIZED=707111466 So thanks again if you read this far into the udevadm monitor --env output --- > Post to this mailing list talk(a)gtalug.org > Unsubscribe from this mailing list > https://gtalug.org/mailman/listinfo/talk Russell “Th’ newspaper does ivrything f’r us. It runs th’ polis foorce an’ th’ banks, commands th’ milishy, controls th’ ligislachure, baptizes th’ young, marries th’ foolish, comforts th’ afflicted, afflicts th’ comfortable, buries th’ dead an’ roasts thim aftherward.” F. P. Dunne

1 0

inexpensive X86 Single Board Computer
by D. Hugh Redelmeier 06 Oct '20

06 Oct '20

Seeed sent me an ad/newsletter describing a potentially interesting SBC. <https://www.seeedstudio.com/Rock-Pi-X-Model-B-4GB-p-4277.html> (Seeed is a Chinese company that's a bit like Adafruit. If you like SBCs and playing with circuit's, Seeed's newsletter is worth subscribing to. It's not just advertising.) Summary: quite a bit of machine for the price. But fairly niche. You will likely want to add a case , a power supply, and a battery for the clock. Software support is really easy since it is X86-64. Details: Rock Pi X B4E32 pre-order: US$75 + shipping - Atom X5-Z8350 (old Atom; 64-bit) - 4GiB RAM (64-bit dual channel) - 32G eMMC. Should be faster than SD. Large enough for a full Linux distro. - microSD socket - HDMI 2.0 up to 4k@30Hz (I would have expected HDMI 1.x; this doesn't seem to match Intel's spec for the chip) - WiFi 802.11ac - BlueTooth 4.2 - gigabit ethernet - one USB 3.0 (OTG: can be host or device, if I understand correctly) - three USB 2.0 - a 40-pin expansion header for hanging your circuits off My Impression: - quite a lot for the same price as a Raspberry Pi 4 with 8GiB of RAM - processor is old: introduced in early 2016 but little different from z8500 introduced in early 2015. "Cherry Trail" - I have a tiny PC (a Kangaroo) with the similar z8500 processor. It doesn't quite cut it for streaming video under Windows 10 at FullHD. By that I mean: it works but sometimes struggles. Intel's site suggests that the Z8500 should be faster but perhaps cooling is an issue on my Kangaroo or the 2 GiB RAM is pinching <https://ark.intel.com/content/www/us/en/ark/compare.html?productIds=85474,9…>

4 3

Free to a good home: Zeo Bedside alarm clock
by Seneca Cunningham 02 Oct '20

02 Oct '20

I’ve given a lightning talk before about the Zeo[1], an alarm clock that gained a bit of a following, which used a headband with a cloth sensor that it used to estimate your sleep cycle. I haven’t used mine in ages, it needs some work to return to its former glory (i.e. the monitor pod battery is dead), and it was just taking up space. So, I’ve decided to offer it up for someone else to play with. Had this been in the past, this interesting clock would have likely visited a Hacklab Junk Independence Day. My Zeo has the firmware necessary to use the Zeo Raw Data Library, a Python 2 library, on it, and I have the USB cable I built to connect to it (as well as the SD reader the clock came with). I found some copies of the Zeo Raw Data Library still floating around[2]. I also have a sealed headband. However, you would need to open up the pod that attaches to the headband to replace the battery. People have done this before. They have also made their own replacement sensor headbands[3], which need replacing more frequently than the pod battery. [1] https://blog.chaosrestrained.com/zeo.html [2] http://www.sleepstreamonline.com/rdl/starting.html [3] https://www.instructables.com/DIY-Replacement-Zeo-Sleep-Monitor-Headband-Se…

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