** Package changed: ubuntu => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1383780
Title:
Resume from suspend fails
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
I'm running ubuntu on a Dell studio laptop with Intel® 965GM x86/MMX/SSE2
graphics. Most things work great, but every time I try to resume from suspend
the machine hangs. The screen simply stays black. I have to hold the power
button to hard reset. The reboot then works ok.
I seem to remember that the resume used to work under 12.04 but since I
upgraded to more recent versions it stopped working. I most recently upgraded
to 14.10 hoping the problem would go away with more recent versions, but no
luck. I've searched around a lot, found a post that suggested that looking at
file /var/log/Xorg.0.log.old might give useful information.
That file does indeed state a few things that seem relevant to me, such as:
...
[ 33.637] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[ 33.638] (II) Module fbdevhw: vendor="X.Org Foundation"
[ 33.638] compiled for 1.16.0, module version = 0.0.2
[ 33.638] ABI class: X.Org Video Driver, version 18.0
[ 33.638] (WW) Falling back to old probe method for vesa
[ 35.971] (EE) intel(0): [drm] failed to set drm interface version:
Permission denied [13].
[ 35.971] (EE) intel(0): Failed to claim DRM device.
[ 35.971] (II) UnloadModule: "intel"
[ 35.971] (EE) Screen(s) found, but none have a usable configuration.
[ 35.971] (EE)
Fatal server error:
[ 35.971] (EE) no screens found(EE)
[ 35.971] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 35.971] (EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[ 35.971] (EE)
[ 36.014] (EE) Server terminated with error (1). Closing log file.
I guess if "drm failed" and as a result "no screen has a usable
configuration" then that would explan why the screen simply stays black on
resume, but I have no idea how to debug this further or how to fix it.
Any help / advice much appreciated.
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