Re: System hangs at GDM login or a bit later...
On Wed, Mar 27, 2024 at 4:47 PM nimrod <nimrod@paralog.it> wrote:
>
> I'm having this annoying behaviour from GDM (or something related).
>
> Quite ofter, after the GDM login screen appears, the host freezes completely: every input device is unresponsive, no ssh connection from another host is possible any more, no CTRL+ALT+CANC/F1-F6 is working.
>
> But the same happens also while I'm typing the username or the password, or after the login screen disappears because the login was successful, or even a bit after the dash has appeared at the bottom of the screen.
>
> Looking at boot.log, the last line before the next boot reads "[ OK ] Started gdm.service - GNOME Display Manager".
>
> Looking at syslog instead, the lines are not always the same, but usually there is something like this:
>
> 2024-03-27T17:57:25.479168+01:00 SW-GIULIANO /usr/libexec/gdm-x-session[1831]: (II) Initializing extension RECORD
> 2024-03-27T17:57:25.479455+01:00 SW-GIULIANO /usr/libexec/gdm-x-session[1831]: (II) Initializing extension DPMS
> 2024-03-27T17:57:25.479734+01:00 SW-GIULIANO /usr/libexec/gdm-x-session[1831]: (II) Initializing ext2024-03-27T17:58:25.469753+01:00 SW-GIULIANO systemd-modules-load[394]: Inserted module 'lp'
> 2024-03-27T17:58:25.469853+01:00 SW-GIULIANO kernel: [ 0.000000] microcode: microcode updated early to revision 0xf4, date = 2023-02-23
>
> Please note how the third line suddenly ends with "ext", followed immediately by the first line written by the next boot sequence.
>
> The"gdm-x-session" lines above are just the last of a very long list. I can provide other logs if requested.
>
> Any hint would be veri appreciated.
Can you boot to a previous kernel? Hold SHIFT when the BiOS hands off
to Grub to get the Grub menu.
If not, then ... maybe a hardware problem. Start with a memory
checker. Then move on to disabling the GPU.
Jeff
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