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SubjectRe: Regressions in resume on intel graphics
From
2010/11/12 Zdenek Kabelac <zdenek.kabelac@gmail.com>:
> Hi
>
> I've noticed that after resume  with 2.6.36 kernel I need to switch
> between console and back to Xorg to get usable Xsession again.
> (my hw - T61, gma965, 4GB)
>
> I've played bisect game -  and this is the first broken kernel:
>
> ---
> commit 8fd4bd22350784d5b2fe9274f6790ba353976415
> Author: Jesse Barnes <jbarnes@virtuousgeek.org>
> Date:   Wed Jun 23 12:56:12 2010 -0700
>
>    vt/console: try harder to print output when panicing
> ---

I've been able to boot and test with 2.6.37-rc1-00170-gf6614b7
- and this problem seems to be fixed in this version (vt.c file seems
to be gone?).

>
> Also I'd like to increase focus on another  suspend/resume killer (at
> least on my T61)
> https://bugzilla.kernel.org/show_bug.cgi?id=19052
> https://bugzilla.redhat.com/show_bug.cgi?id=617809
>

With kernel 2.6.37-rc1-00170-gf6614b7 message has changed (with
enabled polling thread)
--
[drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
[drm:i915_reset] *ERROR* GPU hanging too fast, declaring wedged!
[drm:i915_reset] *ERROR* Failed to reset chip.
X[1378]: segfault at 0 ip 00007f33409c727d sp 00007fff930e7120 error 4
in intel_drv.so[7f3340990000+4a000]
[drm:intel_panel_get_max_backlight] *ERROR* fixme: max PWM is zero.
--

But I can't be sure about whether it's the same bug - as display seems
to be enabled for a second after resume.
and then just everything crashes.. - with original EIR bug 19052 - my
display remains completely black

I'm using Fedora Rawhide Xorg & driver:
xorg-x11-server-Xorg-1.9.1-3.fc15.x86_64
xorg-x11-drv-intel-2.12.0-8.fc15.x86_64

Zdenek
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