Comment # 2
on bug 1021921
from Keks Dose
dmesg includes those lines after wakeup:
[22470.597775] [drm] GPU HANG: ecode 8:0:0xba399353, in Xorg [1652], reason:
Hang on render ring, action: reset
[22470.597778] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[22470.597780] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[22470.597781] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[22470.597782] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[22470.597784] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[22470.597865] drm/i915: Resetting chip after gpu hang
[22479.589147] drm/i915: Resetting chip after gpu hang
[22480.078992] Uhhuh. NMI received for unknown reason 3c on CPU 0.
[22480.078995] Do you have a strange power saving mode enabled?
[22480.078997] Dazed and confused, but trying to continue
[22491.589009] drm/i915: Resetting chip after gpu hang
[22503.620918] drm/i915: Resetting chip after gpu hang
[22515.588830] drm/i915: Resetting chip after gpu hang
[22527.588757] drm/i915: Resetting chip after gpu hang
[22539.588682] drm/i915: Resetting chip after gpu hang
[22551.588603] drm/i915: Resetting chip after gpu hang
[22562.596511] drm/i915: Resetting chip after gpu hang
[22573.604415] drm/i915: Resetting chip after gpu hang
[22584.580419] drm/i915: Resetting chip after gpu hang
[22595.620296] drm/i915: Resetting chip after gpu hang
[22607.588250] drm/i915: Resetting chip after gpu hang
[22617.604150] drm/i915: Resetting chip after gpu hang
[22629.604064] drm/i915: Resetting chip after gpu hang
[22641.603976] drm/i915: Resetting chip after gpu hang
[22651.619902] drm/i915: Resetting chip after gpu hang
[22662.627872] drm/i915: Resetting chip after gpu hang
[22675.587746] drm/i915: Resetting chip after gpu hang
============================================
dmesg | grep "error"
[ 9.446992] tpm tpm0: A TPM error (6) occurred attempting to read a pcr
value
[ 9.453848] iwlwifi 0000:03:00.0: Direct firmware load for
iwlwifi-7265D-26.ucode failed with error -2
[ 9.453861] iwlwifi 0000:03:00.0: Direct firmware load for
iwlwifi-7265D-25.ucode failed with error -2
[ 9.453869] iwlwifi 0000:03:00.0: Direct firmware load for
iwlwifi-7265D-24.ucode failed with error -2
[ 9.453876] iwlwifi 0000:03:00.0: Direct firmware load for
iwlwifi-7265D-23.ucode failed with error -2
[21923.165360] tpm tpm0: A TPM error ��� occurred attempting to read a pcr
value
[22456.293200] tpm tpm0: A TPM error ��� occurred attempting to read a pcr
value
[22470.597784] [drm] GPU crash dump saved to /sys/class/drm/card0/error
linux-k2bd:/home/AW # dmesg | grep "*ERROR*"
[21923.880843] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable
link training
[21923.965787] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to start
channel equalization
[21930.417303] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun