[Bug 111500] [CFL] Latitude 7400 2-in-1: intermittent screen freezes (i915)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111500

--- Comment #21 from Leho Kraav (:macmaN :lkraav) <leho at kraav.com> ---
Created attachment 145277
  --> https://bugs.freedesktop.org/attachment.cgi?id=145277&action=edit
journalctl-b-early-boot-gdm.txt

> In the attached logs either the logs are not from boot or the logs are not taken with kernel parameters drm.debug=0x1e log_buf_len=4M.

Oh, you specifically need the boot early phase output of `drm.debug=0x1e`? I
also saved the full `journalctl -b` (137M file), cutting and attaching early
phase log now. This includes loading gdm, but stops right before loading my
user Xorg session.

Let me know if you also need any output from my user Xorg session, maybe the
initial post-load part, or something.

(Because 0x1e produces output on every mouse move, I was confused about how is
it possible to get much info within log_buf_len=4M window, because majority of
it would be mouse moves.)

Based on seeing `khugepaged` hung during previous freeze, I'm currently testing
5.3.0-rc7 with `transparent_hugepage=never` and am currently approaching 48 h
uptime. If this still freezes at some point, I will test drm-tip next.

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