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#1 2015-09-30 17:16:49

jcjordyn120
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Registered: 2015-05-23
Posts: 40
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[SOLVED] [DRM] intel gpu hang

My xorg hung for a minute, so after a quick dmesg i found this:
[   69.040029] [drm] stuck on render ring
[   69.057149] [drm] GPU HANG: ecode 2:0:0x40ffffc1, in Xorg [226], reason: Ring hung, action: reset
[   69.057154] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[   69.057156] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[   69.057158] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[   69.057160] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[   69.057162] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[   69.057245] drm/i915: Resetting chip after gpu hang
[   69.057281] [drm:i915_reset [i915]] *ERROR* Failed to reset chip: -19
this is the gpu in lspci: 00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01)

-EDIT-
Now every time i try to play video in vlc this happens
dmesg: [ 2140.168617] vlc[1833]: segfault at a92bc070 ip b7616fb0 sp a8a05e58 error 6 in libc-2.22.so[b74ed000+1b3000]
what's happining
i turned off acelerated video playback in vlc now this happens:
[ 2387.101281] vlc[1941]: segfault at 9cdf3001 ip a12f1510 sp a789bc00 error 4 in i915_dri.so[a126c000+641000]

Last edited by jcjordyn120 (2016-10-08 18:58:30)


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#2 2015-09-30 17:52:45

losko
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Registered: 2014-11-19
Posts: 42

Re: [SOLVED] [DRM] intel gpu hang

Intel 845g is a very old chipset/graphic chip...
xf86-video-intel from arch repo is now a git snapshot, so it may break compatibility with your old hardware.
Try to follow the wiki at https://wiki.archlinux.org/index.php/Intel and switch default acceleration from sna to uxa.


-EDIT-
Intel video driver hung or was unusable on 845g for a long period of time in the past (I had one...), until they fixed it in late 2012.

Last edited by losko (2015-09-30 18:14:16)


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#3 2015-09-30 18:24:30

Gusar
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Registered: 2009-08-25
Posts: 3,604

Re: [SOLVED] [DRM] intel gpu hang

Those are kernel messages. While xf86-video-intel might have an effect on the kernel driver, it's highly unlikely. Especially for such old hardware, where for sure there weren't any differences between the last two xf86-video-intel snapshots.

It's been my experience that the 4.1 and 4.2 kernels are quite bad for intel graphics, I've had several hangs every day on an Ironlake machine. The 4.3-rc kernel has been very solid though. I would advise you to try the linux-lts kernel, but LTS is now 4.1, so... yeah smile. Try it anyway, might work better.

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#4 2015-09-30 19:19:01

losko
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Registered: 2014-11-19
Posts: 42

Re: [SOLVED] [DRM] intel gpu hang

Okay, anyway according to this:

jcjordyn120 wrote:

[   69.057154] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.

switching to uxa it's worth a try wink.


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#5 2015-09-30 19:56:22

jcjordyn120
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Registered: 2015-05-23
Posts: 40
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Re: [SOLVED] [DRM] intel gpu hang

losko, No wonder it's old.
I am using a dell dimminsion 2400


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#6 2015-09-30 20:16:17

jcjordyn120
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Registered: 2015-05-23
Posts: 40
Website

Re: [SOLVED] [DRM] intel gpu hang

It worked!, and it keeps giving me this error:
[   15.043125] [drm:intel_parse_bios [i915]] *ERROR* General definiton block child device size is too small.


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#7 2015-09-30 20:21:28

Gusar
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Registered: 2009-08-25
Posts: 3,604

Re: [SOLVED] [DRM] intel gpu hang

There's another thread where switching to uxa fixed the hangs - yeah, lots of threads about Intel GPU hangs lately smile. But that doesn't mean sna is the problem, I still say the kernel is the problem, sna merely uses the GPU in a way that exposes the issue. Try sna again once the 4.3 kernel is released, it fixed the issues I was having.

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#8 2015-09-30 20:22:36

jcjordyn120
Member
Registered: 2015-05-23
Posts: 40
Website

Re: [SOLVED] [DRM] intel gpu hang

okay i will


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#9 2015-09-30 20:31:22

losko
Member
Registered: 2014-11-19
Posts: 42

Re: [SOLVED] [DRM] intel gpu hang

In the meanwhile:
https://bbs.archlinux.org/viewtopic.php?id=203100
seems to confirm (915g) that kernel 4.2.x (drm, i915) + xf86-video-intel, breaks something on old gen intel graphics using SNA.

-EDIT-
Oooops! too late smile

Last edited by losko (2015-09-30 20:33:21)


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#10 2015-10-01 19:13:29

KarlP
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From: Vorderstoder, AUSTRIA
Registered: 2015-01-01
Posts: 31

Re: [SOLVED] [DRM] intel gpu hang

Gusar wrote:

There's another thread where switching to uxa fixed the hangs - yeah, lots of threads about Intel GPU hangs lately smile. But that doesn't mean sna is the problem, I still say the kernel is the problem, sna merely uses the GPU in a way that exposes the issue. Try sna again once the 4.3 kernel is released, it fixed the issues I was having.

I can confirm that changing from SNA to UXA helps.
https://bbs.archlinux.org/viewtopic.php?id=202938

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