On Tuesday, 11 June 2024 19:30:28 BST Walter Dnes wrote:
> On Tue, Jun 11, 2024 at 11:05:27AM +0100, Michael wrote
> 
> > Can you share the output of your dmesg?
> 
>   The only potentially interesting stuff is attempting to load a couple
> of firmware blobs that I'm not aware of...
> 
> [    0.220521] Loading firmware: i915/kbl_dmc_ver1_04.bin
> [    0.220530] i915 0000:00:02.0: Direct firmware load for
> i915/kbl_dmc_ver1_04.bin failed with error -2 [    0.220533] i915
> 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin.
> Disabling runtime power management. [    0.220535] i915 0000:00:02.0: [drm]
> DMC firmware homepage:
> https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
> /tree/i915
> ************************************************************************* [
>   57.302978] Loading firmware: rtl_nic/rtl8168h-2.fw
> [   57.302993] r8169 0000:01:00.0: Direct firmware load for
> rtl_nic/rtl8168h-2.fw failed with error -2 [   57.302997] r8169
> 0000:01:00.0: Unable to load firmware rtl_nic/rtl8168h-2.fw (-2)

The above errors are an indication something is amiss with the requisite 
firmware for your graphics.  Have you specified this in your kernel, or in 
your initramfs?

See here:  https://wiki.gentoo.org/wiki/Intel

The rtl8168h is related to your NIC.  Assuming you have configured this, does 
'ethtool -i eth0' or whatever you card is detected as show if the firmware has 
been loaded?


> > Next time it happens you can boot straight back into a LiveUSB and
> > save dmesg, syslog and Xorg.0.log from your disk, where the errors
> > related to the crash should have been captured.


>   It's too late now.  The only potentially interesting stuff is..
> .
> [    89.701] (EE) Unable to locate/open config file: "xorg.conf"
[snip ...]

Nothing interesting in that, but dmesg reveals a firmware issue.

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