Public bug reported:
eDP on haswell graphics puts some stuff in dmsg that is scary to users.
Worse, these messages are displayed on suspend/resume, and because we
don't have vt-switchless resume support in ubuntu yet, when the graphics
don't work it seems like these messages are the culprit.
Dmesg:
[11577.928164] [drm:intel_dp_set_link_train] *ERROR* Timed out waiting for DP
idle patterns
[11577.928167] [drm:i915_write32] *ERROR* Unknown unclaimed register before
writing to 64040
** Affects: linux
Importance: Unknown
Status: Unknown
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Timo Aaltonen (tjaalton)
Status: Confirmed
** Bug watch added: freedesktop.org Bugzilla #58769
https://bugs.freedesktop.org/show_bug.cgi?id=58769
** Also affects: linux via
https://bugs.freedesktop.org/show_bug.cgi?id=58769
Importance: Unknown
Status: Unknown
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https://bugs.launchpad.net/bugs/1138700
Title:
Using eDP leaves kernel log with "Timed out waiting for DP idle
patterns" messages
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