Red Hat Bugzilla – Bug 834148
Video resolution changes after suspend
Last modified: 2013-07-31 13:46:51 EDT
Created attachment 593334 [details]
Description of problem:
After booting, everything is OK, with screen resolution at 1440x900. Put the computer on suspend mode. Then wake it up. When it finishes waking-up, the screen resolution is changed to a smaller resolution setting (I could not write down the resolution, when you select "System Settings>Display", it automatically goes to the original resolution).
Version-Release number of selected component (if applicable):
everytime I put the computer in "suspend" mode
Steps to Reproduce:
screen resolution changes
screen resolution stays the same as before going to suspend mode
attached are 4 files
01_fresh_boot >> /var/log/messages just after boot
02_after_suspend >> /var/log/messages right after wake-up, after suspend, still with "wrong" resolution
03_after_readjust_display >> self explain
04_smolt_output >> system profile
Similar to these 2 previously filed bugs:
Bug 693406 - Incorrect screen resolution and rendering of desktop content after waking up from sleep
Bug 737963 - Incorrect screen resolution and rendering of desktop content after waking up from sleep
I have this problem with all 3.5. kernels with a viewsonic 1440x900. I'm still running 3.4.6-2 which doesn't have this problem.
only two 4:3 resolutions are available after suspend 1024x768 and 800x600.
attaching dmesg from a clean boot and post suspend plus the xorg log.
Created attachment 620607 [details]
dmesg after booting
Created attachment 620608 [details]
dmesg after suspend
Created attachment 620609 [details]
last line added after suspend I think.
seems fixed in the latest kernel?
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