Intel i915 GPU hung
Lundberg, Johannes
johannes at brilliantservice.co.jp
Tue Dec 2 10:21:20 UTC 2014
Waking up an old thread here but I thought I'd share what I've learned.
I think I found out what caused both tearing and crashing when I used
OpenGL.
Since I changed from using xcompmgr to compton with following options
compton --backend glx --vsync opengl-swc --paint-on-overlay
--glx-no-stencil -b
I have never had a crash or tearing. Have no idea why this is but I am just
happy I don't get hung GPU anymore.
--
Johannes Lundberg
BRILLIANTSERVICE CO., LTD.
On Fri, Sep 12, 2014 at 2:07 PM, Lundberg, Johannes <
johannes at brilliantservice.co.jp> wrote:
> Now with only "sna" enabled (which I think I read somewhere should be the
> default and that's why I didn't enable it before) I got GPU hung again.
>
> uname -a:
> FreeBSD bsd 10.0-RELEASE FreeBSD 10.0-RELEASE #0 r260789: Thu Jan 16
> 22:34:59 UTC 2014 root at snap.freebsd.org:/usr/
> obj/usr/src/sys/GENERIC amd64
>
> dmesg, error_state, pciconf, pkginfo and Xorg.0.log can be downloaded here
>
> https://dl.dropboxusercontent.com/u/10335306/GPU_hung_logs.zip
>
>
>
> --
> Johannes Lundberg
> BRILLIANTSERVICE CO., LTD.
>
> On Fri, Sep 12, 2014 at 10:14 AM, Garrett Cooper <yaneurabeya at gmail.com>
> wrote:
>
>> On Thu, Sep 11, 2014 at 6:08 PM, Lundberg, Johannes
>> <johannes at brilliantservice.co.jp> wrote:
>> > First try with sna+swapbufferswait+tearfree gave me this after a while
>> >
>> > Xorg.log
>> >
>> > [ 1901.000] (EE) intel(0): sna_mode_redisplay: page flipping failed,
>> > disabling CRTC:3 (pipe=0)
>> > [ 1901.365] (EE) intel(0): sna_mode_redisplay: page flipping failed,
>> > disabling CRTC:5 (pipe=1)
>> > [ 1901.441] (EE) intel(0): Detected a hung GPU, disabling acceleration.
>> > [ 2841.578] (II) UnloadModule: "mouse"
>> > [ 2841.578] (II) UnloadModule: "kbd"
>> > [ 2841.579] (II) intel(0): switch to mode 1366x768 at 60.0 on pipe 0
>> using
>> > LVDS1, position (0, 0), rotation normal
>> > [ 2841.632] (EE) intel(0): failed to set mode: Unknown error: -22
>> > [ 2841.632] (II) intel(0): switch to mode 1280x720 at 60.3 on pipe 1
>> using
>> > VGA1, position (0, 0), rotation normal
>> > [ 2841.683] (EE) intel(0): failed to set mode: Unknown error: -22
>>
>> This looks off -- it's the Linux kernel error code for EINVAL
>> (FreeBSD error codes in the kernel being positive).
>> Cheers,
>> -Garrett
>>
>
>
--
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