Bug 12088 - After wakeup the display stays off
Summary: After wakeup the display stays off
Alias: None
Product: Drivers
Classification: Unclassified
Component: Video(Other) (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: drivers_video-other
Depends on:
Blocks: 56331
  Show dependency tree
Reported: 2008-11-22 23:16 UTC by LÉVAI Dániel
Modified: 2013-04-09 06:23 UTC (History)
3 users (show)

See Also:
Kernel Version:
Regression: No
Bisected commit-id:

kernel log (49.88 KB, text/plain)
2008-11-22 23:44 UTC, LÉVAI Dániel
lspci output (2.07 KB, text/plain)
2008-11-22 23:45 UTC, LÉVAI Dániel

Description LÉVAI Dániel 2008-11-22 23:16:18 UTC
Latest working kernel version: none
Earliest failing kernel version:
Distribution: latest stable release tarball from kernel.org
Hardware Environment: acer TravelMate 7520g, ATI Radeon HD 2400 XT (discrete)
Software Environment: Debian sid/unstable
Problem Description:
Resuming from S3 works fine, except the display won't turn on.
I can fiddle with keyboard, so I can shutdown safely, but can't see what is
going on.

Steps to reproduce:
# echo mem > /sys/power/state
[... press the power button to wake up]
Comment 1 LÉVAI Dániel 2008-11-22 23:44:54 UTC
Created attachment 18976 [details]
kernel log

The whole system startup is there, but I've marked the starting of suspend mode with:
<------ The suspend starts here ------>
Comment 2 LÉVAI Dániel 2008-11-22 23:45:21 UTC
Created attachment 18977 [details]
lspci output

some additional info
Comment 3 Zhang Rui 2008-11-23 18:51:35 UTC
the S3 video issue.
while it has been fixed in the intel graphics, I think it can also be fixed in the ATI drm driver, right?
Comment 4 LÉVAI Dániel 2009-02-01 01:36:31 UTC
What is tha status with this? Can I help testing something?

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