On Wed, Mar 27, 2024 at 4:47 PM nimrod <[email protected]> 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

