GNU bug report logs - #44925
gdm boot up failure

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Message #17 received at 44925 <at> debbugs.gnu.org (full text, mbox):

From: Christopher Howard <christopher <at> librehacker.com>
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>, Guillaume Le Vaillant
 <glv <at> posteo.net>
Cc: 44925 <at> debbugs.gnu.org
Subject: Re: bug#44925: gdm boot up failure
Date: Sun, 10 Jan 2021 21:08:53 -0900

Hi, I'm not having this problem currently under commit
223d8fb4a0e31957c85ef42ef501c8ed038a7259, kernel version 5.10.4-gnu.
So, I'm satisfied. However, I should note, for the record, that I did
change my graphics card in the interm from the original reported AMD
ATI Radeon HD 4250 (integrated GPU) to an external NVIDIA GeForce 8400
GS Rev. 3.

-- 
Christopher Howard
p: +1 (907) 374-0257 (no texting)
w: https://librehacker.com
social: https://gnusocial.club/librehacker
gpg: ADDEAADE5D607C8D (keys.gnupg.net)

On Sun, 2021-01-10 at 22:01 -0500, Maxim Cournoyer wrote:
> Hi Christopher,
> 
> Guillaume Le Vaillant <glv <at> posteo.net> writes:
> 
> > I had a similar problem today.
> > 
> > I booted with a system configured with Guix at
> > 275fcffc9b5f4deb516c510b26b07c13d6e47307 and everything worked
> > fine.
> > 
> > Then I reconfigured with Guix at commit
> > 04b83678653fda3c66e600e88f54f5108290ec1c, removed a few dozen old
> > generations and did a 'guix gc'.
> > 
> > At the next reboot, gdm didn't work anymore. I rebooted and
> > launched the
> > previous system generation, but gdm still didn't work, which is
> > strange.
> > 
> > After some investigation, I found that gdm was failing because the
> > kernel driver for the GPU was not loaded (the 'nouveau' driver in
> > my
> > case). I tried to load it by hand with
> > 'insmod /run/booted-
> > system/kernel/lib/modules/5.9.11/.../nouveau.ko.gz',
> > and it failed with the error 'unknown symbol in module'.
> > 
> > I'm not sure what was going on here... The only way I got
> > everything to
> > work again is by reconfiguring the system to compile and use the
> > 5.9.12
> > kernel.
> 
> Could you confirm that the problem has resolved itself with the
> current
> Linux kernel version packaged in Guix?
> 
> Thanks,
> 
> Maxim

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