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#1476 Re: Other Issues » Xsane Image doesn't detect my scanner » 2020-10-17 20:07:14

Hello:

Ron wrote:

... run apt install -f before or after trying to install HPLIP 3.19.5?

I assume it is after, which is when dependency hell has broken loose.  8^D.
Let's see if we can find a way out of this.

First purge the previous version of HPLIP.

As root: apt purge autoremove hplip

Reboot and try to install HPLIP 3.19.5 you got from HP (I assume it is a *.deb file?)

Post the output so we can see what's going on dependency wise.

Maybe they are just one or two libraries and you can install them via apt with no issues and then try to install HPLIP 3.19.5 again.
Or maybe they cannot be installed because those dependencies also have their own dependencies to complain about and it goes on.

Edit
Q:
Is it absolutely necessary to install HPLIP to get the scanner/printer working?
A couple of years ago I needed to get a printer to use at home asap and landed an inexpensive Samsung M2020W.
HPLIP was a hellish experience and then I came across CUPS. No issues ever again.

Cheers,

A.

#1477 Re: Other Issues » Xsane Image doesn't detect my scanner » 2020-10-17 19:36:32

Hello:

Ron wrote:

... possible to use Debian's backports?
https://packages.debian.org/bullseye/hplip

This is HPLIP from the Debian Bullseye repository.
As far as I understand it, it is not a backport.

Have you tried apt install -f to see if you could fix the dependency problems when installing HPLIP 3.19.5?

That's the only thing I can think of.

Cheers,

A.

#1478 Re: Other Issues » Xsane Image doesn't detect my scanner » 2020-10-17 19:27:04

Hello:

golinux wrote:

... looked in ascii backports?

I have not found it there.

The debian Stretch backport is hplip-gui 3.18.12+dfsg0-2~bpo9+1

golinux wrote:

... spellchecker that is objecting to Devuan.

I stand correcetd.
Indeed, the squiggles are due to the spellchecker.
I don't use automatic spell checking.

But there was a time when, if you entered Devuan in the Google search engine, it would invariably ask if you had not meant Debian.
Not the case any longer.  8^D

Cheers,

A.

#1479 Re: Other Issues » Xsane Image doesn't detect my scanner » 2020-10-17 17:03:39

Hello:

Ron wrote:

... bottom line is that the version of hplip that comes with ascii, 3.16.11, is not compatible with HP 8025.

If they say so it is probably so.

Ron wrote:

... upgrade to version 3.19.5 according to the hplip website ...
... get dependency errors.

Did you try fixing the dependency errors?

ie:

[root@devuan ~]# apt install -f

Sometimes it works.

Ron wrote:

... got the printing problem fixed by using CUPS ...
... scanner would work that way also ...

Well ...   8^7

Ron wrote:

... move to Devuan Beowulf.
... what version of hplip comes with Beowulf?

See here: https://pkginfo.devuan.org/

Devuan Package information
Search Devuan Packages for: in release
4 results for "hplip" in beowulf (in 7.166877ms)

[beowulf] hplip-3.18.12+dfsg0-2            <----
[beowulf] hplip-data-3.18.12+dfsg0-2
[beowulf] hplip-doc-3.18.12+dfsg0-2
[beowulf] hplip-gui-3.18.12+dfsg0-2

Have you tried installing the current ie: updated version for ascii?

Just for tidyness' sake, maybe it would be a good idea to uninstall and purge first before installing HPLIP version 3.18.12:

[root@devuan ~]# apt purge autoremove hplip
Ron wrote:

... typing "Devuan" when making a post ...

That's just Google being its usual silly and sucking up to its pals.

Cheers,

A.

#1480 Re: Other Issues » Xsane Image doesn't detect my scanner » 2020-10-17 14:45:13

Hello:

Ron wrote:

... have hplip toolbox installed ...

OK.

Ron wrote:

... can't get past the frist window ...
... don't see, on any of the toolbox windows, anything that says "fax-printer."

OK

https://i.imgur.com/mbB5s7u.jpg
https://i.imgur.com/EZGoIBR.jpg
https://i.imgur.com/dCFZBrc.jpg

Can't see any of these but it does not matter much as I don't have the application.
I'd suggest some other on line image depo.

Ron wrote:

... no option on any of these windows for "fax-printer."

OK

Rather limited here as I don't have the software or the hardware and have run out of ideas.
I think this may be a CUPS configuration issue, an HPLIP version issue or a combo of both.
The printer gets on-line and works, so that is not a problem.

Here's a link to the HP Basic HPLIP troubleshooting page.

Check to see what results you get from what they suggest, specifically these actions:

Is the printer in an error state?
Run hp-check and verify in the installed printer queues section that the communication is "Good".

Run hp-check and verify that there are no errors.

Check hp-check -t that "scanner-build=yes    <-- this                 

Verify that sane is configured with hpaio--run:

    export SANE_DEBUG_DLL=128   <--- this

    scanimage -L   <--- this

The printer should be detected.

View /var/log/syslogwhile scanning for any errors. <--- this

Depending on your distro you can run either; su -c "tail -f /var/log/syslog" or sudo tail -f /var/log/syslog, then try scanning and view the syslog for errors.

Cheers,

A.

#1481 Re: Other Issues » Xsane Image doesn't detect my scanner » 2020-10-17 13:37:35

Hello:

Ron wrote:

... keep getting the message "No Installed HP Devices Found ...

OK.

Ron wrote:

Note: Only devices installed with the hp: or hpfax: CUPS backend will appear in the HP Device Manager.

I think this has to do with CUPS not seeing the scanner and is asking for the hpfax backend to be able to do so.
I'd say that the hpfax backend is definitely related to the installation of the fax printer.

So ...
Is the HP-toolbox I asked you about installed?
If so, is the fax-printer installed?    <--- this seems to be the essential part.

Please check and read the link I posted.

askubuntu.com link wrote:

I had a similar problem with an HP Officejet Pro 8600 Plus.
After a clean install of Ubuntu 18.04, the printer worked fine, but the scanner could not be found.
The solution was to use the HP toolbox and install the fax printer, which for whatever reason was not automatically installed at the same time as the main printer.
All worked perfectly after that.

Cheers,

A.

#1482 Re: Other Issues » Xsane Image doesn't detect my scanner » 2020-10-17 12:04:56

Hello:

Ron wrote:

... don't understand this part:

I don't have one of these HP multi-things so I'm relying on what you can tell me.
I avoid anything multi, better to do just one thing and do it right.
I still use a ca. 1996 Umax S-6E, works great.

How is this device connected to you box?
Try installing simple-scan and see if it detects the scanner.

[root@devuan]# apt install simple-scan

If not, is there something called HP Toolbox installed along with HPLIP?
Does it have the option to install a Fax Printer?
If not, install it and see if it works.

Also check this thread, I think the solution may be there among many posters who had the same issue.

Cheers,

A.

#1483 Re: Other Issues » Xsane Image doesn't detect my scanner » 2020-10-16 21:26:10

Hello:

Ron wrote:

... Xsane Image scanner won't recognize it.

Open a terminal and run the groups command to see what you are a member of:

user@devuan:~$ groups

If I recall correctly, you have to be a member of the scanner group to be able to use one.
If you are not a member of the scanner group, open a terminal, become root and add yourself to it:

[root@devuan ~]# adduser [userID] scanner

Log out and back in again and run the groups command to see if it worked.

Here's a link to a page by HP (!) for troubleshooting the scanner in the 8025.

Cheers,

A.

#1484 Re: Installation » [Solved] ascii - unneeded firmware » 2020-10-13 10:42:27

Hello:

Head_on_a_Stick wrote:

... a convenience ...

OK.

Head_on_a_Stick wrote:

See for yourself:

apt --simulate --autoremove purge firmware-amd-graphics
[root@devuan ~]# apt --simulate --autoremove purge firmware-amd-graphics
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  amd64-microcode* firmware-amd-graphics* firmware-linux* firmware-linux-nonfree* intel-microcode* iucode-tool*
0 upgraded, 0 newly installed, 6 to remove and 0 not upgraded.
Purg amd64-microcode [3.20160316.3]
Purg firmware-linux [20190114-2~deb9u1]
Purg firmware-linux-nonfree [20190114-2~deb9u1]
Purg firmware-amd-graphics [20190114-2~deb9u1]
Purg intel-microcode [3.20200616.1~deb9u1]
Purg iucode-tool [2.1.1-1]
[root@devuan ~]# apt install amd64-microcode
Reading package lists... Done
Building dependency tree       
Reading state information... Done
amd64-microcode is already the newest version (3.20160316.3).
amd64-microcode set to manually installed.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
[root@devuan ~]# apt install intel-microcode
Reading package lists... Done
Building dependency tree       
Reading state information... Done
intel-microcode is already the newest version (3.20200616.1~deb9u1).
intel-microcode set to manually installed.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
[root@devuan ~]# apt install iucode-tool
Reading package lists... Done
Building dependency tree       
Reading state information... Done
iucode-tool is already the newest version (2.1.1-1).
iucode-tool set to manually installed.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
[root@devuan ~]# 
[root@devuan ~]# apt --simulate --autoremove purge firmware-amd-graphics
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  firmware-amd-graphics* firmware-linux* firmware-linux-nonfree*
0 upgraded, 0 newly installed, 3 to remove and 0 not upgraded.
Purg firmware-linux [20190114-2~deb9u1]
Purg firmware-linux-nonfree [20190114-2~deb9u1]
Purg firmware-amd-graphics [20190114-2~deb9u1]
[root@devuan ~]#
[root@devuan ~]# apt --autoremove purge firmware-amd-graphics
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  firmware-amd-graphics* firmware-linux* firmware-linux-nonfree*
0 upgraded, 0 newly installed, 3 to remove and 0 not upgraded.
After this operation, 31.0 MB disk space will be freed.
Do you want to continue? [Y/n] 
(Reading database ... 140831 files and directories currently installed.)
Removing firmware-linux (20190114-2~deb9u1) ...
Removing firmware-linux-nonfree (20190114-2~deb9u1) ...
Removing firmware-amd-graphics (20190114-2~deb9u1) ...
[root@devuan ~]# 

That should do it.  =-)
I'll come back if I hit a snag.

Edit: package amd64-microcode also removed without ill effects as I run on Intel hardware.

Thanks a lot for your input.

Cheers,

A.

#1485 Installation » [Solved] ascii - unneeded firmware » 2020-10-12 23:42:16

Altoid
Replies: 2

Hello:

While running/checking updates today, I have seen that my installation contains a 31MB firmware-amd-graphics package.

But ...
I do not have any AMD hardware in my box and don't plan to get any.
My hardware may be dated but it works perfectly well.  8^° !

According to Synaptic, both Removal and Complete removal will drag along the firmware-linux and firmware-linux-nonfree, both of which are meta-packages.

Between the three of these packages, it's roughly 83MB.
No big deal, but what for?

I think the only hardware that would need firmware would be Intel chipset with integrated e1000 and the Atheros wireless dongle which I am not using.

Could I remove these three packages without wreaking havok?

TIA,

A.

#1486 Re: Desktop and Multimedia » [Solved] LibreOffice question » 2020-10-12 16:26:11

Hello:

Altoid wrote:

... disable the Data Validation of LibreCalc?

It's not Data Validation, it is something else that these DHs enable by default, à la Microsoft Office.
Incredible that they have not learned anything from their nemesis' shortcomings ...

This is yet another feature called, not surpringly, autoreplace.

To answer my question: one turns off autoreplace by going to the menu bar, selecting Tools > AutoCorrect Options...
You then click on the Options tab and uncheck the "Use replacement table".

My apologies for the noise.

Cheers,

A.

#1487 Desktop and Multimedia » [Solved] LibreOffice question » 2020-10-12 15:34:55

Altoid
Replies: 1

Hello:

I'm slowly starting to loathe LibreOffice almost as much as MSOffice, which I had always used till I finally moved to a Linux environment, not without a lot of grief and getting used to.

I'll make it quick as this is dangerously off-topic:

Does anyone know how to disable the Data Validation of LibreCalc?
This POS application keeps putting a number I do not want to put in a cell but I have not been able to find a way to get rid of this feature.

I'm working on a very long and complicated 20+ year monthly expense expense sheet which I have to keep up to date and I want to be able to audit it myself.
I do not trust LO to do anything but sum up columns the same way I did not trust MSO.

Thanks in advance,

A.

#1488 Re: Hardware & System Configuration » (Beowulf)(AMD RX550) AMD Firmware Bug? » 2020-10-11 12:14:40

Hello:

kapqa wrote:

... by adding a Graphics Card AMD RX 550.
... when i start the boot process ...

Firmware Bug - AMD_VI IOAPIC(1) not in IVRS Table 

See this post https://forums.linuxmint.com/viewtopic.php?t=326047

Questions:

Does your system work properly?

Are you using VirtualBox or VMware?
Any issues?

Do you have the latest BIOS available for your laptop?

Is this the same Fujitsu Worksation Laptop with Nvidia Quadro FX770m Graphics you were installing Nvidia legacy drivers for?
If so and most important: are you certain that the graphics card you have added is compatible/supported?

Cheers,

A.

#1489 Re: Hardware & System Configuration » [SOLVED] BackInTime / rsync log error » 2020-10-07 16:46:16

Hello:

xinomilo wrote:

why is there a sudoers file under /home/?

Absolutely embarrased cannot describe how I feel.
My only excuse is not having had my café au lait when I posted.    8^*

Of course it should not be there.
And the original is exactly where it should be:

groucho@devuan:~$ locate sudoers
/etc/sudoers
--- snip ---

I think it was a left-over from when I was setting up the sudoers file, playing with visudo.
Somehow got created in /home/groucho, it is empty.

Thanks a lot for your input.

A.

#1490 Hardware & System Configuration » [SOLVED] BackInTime / rsync log error » 2020-10-07 12:00:08

Altoid
Replies: 2

Hello:

I make scheduled back-ups via a cron job running BackInTime.
Works well enough and has saved me from a couple of disasters.

But ever since I generated a sudoers file, I started to get an error message:

Error: rsync: send_files failed to open "/home/groucho/sudoers": Permission denied (13)

I understand that access to /home/groucho/sudoers needs root access.
But I never wanted BackInTime to run as root so I left things as they were but there has to be a solution to this.

My user is part of the all the relevant groups ie: adm lp mail dialout fax cdrom floppy tape sudo backup staff lpadmin and has read and write access to the drive/folders where the back-up is stored by BackInTime.

Maybe a sudoers entry?

Any ideas?

Thanks in advance,

A.

#1491 Re: Installation » [Solved] Beowulf - Nvidia legacy 340XX driver will not install. » 2020-10-01 13:41:08

Hello:

kapqa wrote:

... very useful as it finally seemed to install the Nvidia Driver properly on the Fujitsu Worksation Laptop with Nvidia Quadro FX770m Graphics.

Indeed ...
As expected.  8^D!

kapqa wrote:
14:27:58.934 [I]: CPU: Intel Core2 Duo T9900 [base frequency 2133 MHz, 2 threads]
14:27:58.935 [W]: Video: OpenCL subsystem isn't available, try to reinstall video drivers

OpenCL subsystem isn't available   <- it would seem that there is no such thing in your laptop.

Does your video card actually support OpenCL?
I think it probably does not.

See this table: https://www.notebookcheck.net/Quadro-FX … 598.0.html

NVIDIA Quadro FX 380M
Features

DirectX Compute Support (Windows 7)
CUDA
OpenCL     <---------------- supports OpenCL
OpenGL 2.1    <---------------- supports OpenGL
certified drivers
Date of Announcement 07.01.2010 = 3921 days old -> 10.74247 years

but ...

NVIDIA Quadro FX 770M
Features
.                    . <---------------- says nothing about OpenCL
OpenGL 2.1    <---------------- supports OpenGL
PowerMizer 8.0
12-Bit subpixel precision
128 Bit graphics pipeline precision

Date of Announcement 14.08.2008 = 4432 days old   -> 12.14247 years

The NVIDIA Quadro FX 380M is a newer card and supports OpenCL but the NVIDIA Quadro FX 770M (~ a year + five months older) apparently does not.

My advise is to remove the OpenCL driver which obviously does not work in your laptop.

Best,

A.

#1492 Re: Installation » nvidia-driver on devuan? » 2020-10-01 09:59:48

Hello:

kapqa wrote:

thank you ...

You're welcome.

kapqa wrote:

... long post ...

With the solution.  8^7

kapqa wrote:

... prefer the 304.xx driver ...

The nvidia-legacy 340.xx is the last driver with updates from Nvidia and has suffered very little change in the past years.
The cards it is for are no longer manufactured or supported, hence the 'legacy'.
See the link to the nvidia web sire I posted when answering one of your earlier posts.

The information is all there but you have to read it. -> https://dev1galaxy.org/viewtopic.php?pid=24965#p24965

kapqa wrote:

... debian wiki says ...
... package to create a xorg with "nvidia-xconfig" ...

If you are on a one screen system you probably do not need it.

kapqa wrote:

... does your walkthrough apply ...

It is not my walkthrough.
HevyDevy wrote it up.
It applies to Linux in general.

Cheers,

A.

#1493 Re: Installation » nvidia-driver on devuan? » 2020-09-30 21:51:17

Hello:

kapqa wrote:

... install nvidia-driver on devuan (ascii or beowulf), especially for older cards?

Yes it is.

--->
Before posting, it is good practise to do a forum search to see if the question you need an answer to has already been posted.
For example, I'd say your question has been answered here.

Also, posting in two places asking for a solution regarding the same problem like you did here is not a good idea.
Both posts are related to the same problem ie: installation of nvidia drivers in Devuan ascii / Beowulf.
<---

I had an apparently unsolvable problem with the installation of nvidia drivers in Beowulf, specifically drivers for my twin Quadro FX 580 video cards which need to use the 340xx-legacy (340.108) proprietary drivers.

Do give the whole thread a good read, it is worthwhile information.

The solution came from HevyDevy (post #21) who after analysing the problem took the time to figure out how to install the drivers without the errors I was getting.
I followed his instructions and the problem was gone.

Cheers,

A.

#1494 Re: Desktop and Multimedia » Beowulf - OpenBox drag/drop issue » 2020-09-27 19:26:36

Hello:

Head_on_a_Stick wrote:

Either check ~/.xsession-errors ...

Spot on!   8^D

(thunar:2500): Gdk-ERROR **: 16:08:14.176: The program 'thunar' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadWindow (invalid Window parameter)'.
(Details: serial 18413 error_code 3 request_code 141 (Composite) minor_code 8)     <---- here it is
(Note to programmers: normally, X errors are reported asynchronously;
that is, you will receive the error a while after causing it.
To debug your program, run it with the GDK_SYNCHRONIZE environment
variable to change this behavior. You can then get a meaningful
backtrace from your debugger if you break on the gdk_x_error() function.)

Commenting the compton & line in /home/groucho/.config/openbox/autostart solved the problem.
So it seems that there will be no compositing for me in Beowulf+Openbox.

But the .xsession-errors file is absolutely huge, Way over the 6000 line scollback I've set in terminal so I cleared it with :> and will start to check all that.

Thanks for your input.

Cheers,

A.

#1495 Desktop and Multimedia » Beowulf - OpenBox drag/drop issue » 2020-09-27 16:51:28

Altoid
Replies: 3

Hello:

As I want to rid myself of Xfce, at the moment my Beowulf installation's desktop runs on Openbox with Tint2 and Compton.

There seems to be a problem with 'drag and drop' which I have found happens in Thunar and Palemoon.

eg:
In Thunar, when dragging a folder or file ...  when I put the mouse pointer on the file, press left-button and as I try to move/drag it, Thunar shuts down instantly but mouse and tint2 works. ie: I can restart Palemoon.

In Palemoon, if I try to drag a site from the address bar, it shuts down, mouse will not drop down menus and tint2 goes down.
Only way out is to Ctrl-Alt-Bksp to exit and log-in again.

I can drag open windows from one end of my triple screen layout to the other.

Everything is updated/upgraded and no dependencies are missing.

Any idea as to what may be happening here?

Thanks in advance,

A.

#1496 Re: Hardware & System Configuration » (core2duo workstation) NVIDIA Quadro FX 770 m - devuan reasonable? » 2020-09-26 23:20:19

Hello:

kapqa wrote:

... workstation laptop with dualcore2duo cpu and NVIDIA Quadro FX 770 m.

Unless I am mistaken, you can install ascii or Beowulf and the non-free 340XX legacy drivers with no issues.

See here https://www.nvidia.com/en-us/drivers/unix/legacy-gpu/ ...

link@Nvidia.com wrote:

The 340.xx driver supports the following set of GPUs.
NVIDIA GPU product     Device PCI ID
--- snip ------------------------------------
Quadro FX 770M                0x065C
--- snip ------------------------------------

... and here https://nvidia.custhelp.com/app/answers … /a_id/3142

Devuan will be a great choice for your workstation.
Fit a fast solid state drive and as much memory as it will accept and it will fly.

Cheers,

A.

#1497 Re: Installation » Beowulf - Unknown group 'kvm'. » 2020-09-26 18:01:04

Hello:

Head_on_a_Stick wrote:

... patch to eudev so that only root and members of the kvm group can edit the node ...

Please correct me if I am wrong ...

Am I to understand that the Alpine distribution has issued a patch that basically backpedals on what Poettering so stubbornly pushed through?
And that in doing so, the line in dmesg complaining about group 'kvm' not being found is then not generated by the system?

TIA

A.

#1498 Re: Installation » Beowulf - Unknown group 'kvm'. » 2020-09-26 17:04:02

Hello:

Head_on_a_Stick wrote:

No, the kvm group is one of the kernel developers' ideas.

You are quite right, I did not express myself correctly.
I should have written: ... seems that setting the /dev/kdm to world-read-write was ...

Head_on_a_Stick wrote:

... allows users to access hardware virtualisation (via /dev/kvm) if they are a member of the group.

Why not do it when installing qemu-kvm?
Not a question that I bring up for I would have not known of its existence if I had not looked at my dmesg, which I always do.

It was so out of place that a maintainer actually filed it as a bug. (see the thread I linked to)

Head_on_a_Stick wrote:

... Alpine system creates the group when the qemu package is installed ...

Yes, as it should (if it needs it, obviously).
Right?

Head_on_a_Stick wrote:

... why is a random error message so important?

Because ...

... it is there?
... people who know much more than I have made what seems to be a strong case against it being there/generated?
... the (seemingly valid) arguments against this were railroaded by Poettering?

Isn't that how systemd came to be?

You may or may not agree with me, but it is not so much what is there but how it got to be there.

Head_on_a_Stick wrote:

... ignoring it is a definite option ...
... creating the kvm group manually would be better than editing ...

I agree.

Altoid @20200923 14:58:29 wrote:

Should I create a 'kvm' group to get rid of the dmesg line?

Thanks so much for your input.

Cheers,

A.

#1499 Re: Installation » Beowulf - Unknown group 'kvm'. » 2020-09-26 13:48:52

Hello:

ralph.ronnquist wrote:

... hotplug event generated when the "kvm subsystem" ...
... by the hotplug handler (aka udev/eudev) via that "rule"
... to create the device node "/dev/kvm" with the particular permissions and group.

I think I got the right idea.  =^)

ralph.ronnquist wrote:

... same actions by hand ...:

# mknod /dev/kvm c 10 232   <- this was also done in ascii
# chmod 0666 /dev/kvm        <- not this
# chgrp kvm /dev/kvm           <- not this
ralph.ronnquist wrote:

Commenting out the rule ...
... absence of the device node
... not the sub system itself ...

Just commenting out chmod 0666 /dev/kvm and chgrp kvm /dev/kvm (reported as a bug in the thread I linked to) should suffice. 

ralph.ronnquist wrote:

... until there's some software needing it ...

From what I have read (not nearly enough) it seems that it is something used solely by the qemu-kvm package.

eg: I run a couple of VMs via VirtualBox in my ascii installation

groucho@devuan:~$ uname -a
Linux devuan 4.9.0-13-amd64 #1 SMP Debian 4.9.228-1 (2020-07-05) x86_64 GNU/Linux
groucho@devuan:~$ 

The node is there:     (the cpu-checker package does not seem to be in the ascii repository)

~$ ls /dev/kvm
/dev/kvm
~$ 

I don't have a 'kvm' group:

~$ grep kvm /etc/group
~$ 
ralph.ronnquist wrote:

... ideal modularization principle, the device node would rather be created as needed by that software ...

Yes, under the modularization principles that governed Debian development and maintenance from the start, crap like this would never have happened.
Nor would a thread as the one I linked to even existed.

That's where we are.

Thanks a lot for your input.

Cheers,

A.

#1500 Re: Installation » Beowulf - Unknown group 'kvm'. » 2020-09-26 08:58:54

Hello:

larsH wrote:

Hi
What about "apt purge qemu-kvm".
... get rid of configuration files of all previously installed ...

I don't think that would have any effect.
The qemu-kvm package was never installed and I think what is happening is not because of configuration file from the qemu-kvm installation.

~# apt purge qemu-kvm
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package 'qemu-kvm' is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
~# 

Normally, the qemu-kvm package would set up a 'kvm' group and set up user r+w access to /dev/kvm.

For reasons that do not seem at all clear, this has changed in Beowulf.

Like ralph.ronnquist points out, now the system has a default udev rule (set up at OS install time and overwritten on every update) that wants to set /dev/kvm to world-read-write.

I expect that it also wants a 'kvm' group and not finding it, prints out the result in dmesg

At least that is how I understand it, corrections welcome.  =-)

Cheers,

A.

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