Bug 96553

Summary: Xorg freezes
Product: xorg Reporter: Agostino Sarubbo <ago>
Component: Driver/nouveauAssignee: Nouveau Project <nouveau>
Status: RESOLVED MOVED QA Contact: Xorg Project Team <xorg-team>
Severity: normal    
Priority: medium    
Version: unspecified   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
Xorg.log none

Description Agostino Sarubbo 2016-06-16 11:45:00 UTC
Created attachment 124556 [details]
Xorg.log

Hello, I get a freeze, I'm able to move the mouse cursor but nothing else.

I'm able to access via ssh and get the Xorg.log. I enabled the debug to have a more valid backtrace.

Feel free to ask whatever you need.
Comment 1 Agostino Sarubbo 2016-06-28 12:27:49 UTC
When the problem happens, In dmesg there is the following messages:

[11449.585126] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
[11449.585132] nouveau 0000:01:00.0: fifo: sw engine fault on channel 2, recovering...
[11451.584882] nouveau 0000:01:00.0: fifo: runlist 0 update timeout
[11453.880225] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]

bug 72180 seems to mention the same message error, but that bug was resolved as INVALID
I didn't read all comments, but the last comment seems to indicate that the problem is fixed in 4.1.
I'm using 4.4 and it is not fixed here.
Comment 2 simonF 2016-10-28 14:35:24 UTC
I have same trouble my computer freeze, I can mouve mouse but nothing else. in my log:

Oct 28 16:07:12 simon-Precision-T1700 kernel: [ 2191.290651] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
Oct 28 16:07:12 simon-Precision-T1700 kernel: [ 2191.290656] nouveau 0000:01:00.0: fifo: sw engine fault on channel 7,
recovering...
Oct 28 16:07:14 simon-Precision-T1700 kernel: [ 2193.290170] nouveau 0000:01:00.0: fifo: runlist 0 update timeout
Oct 28 16:07:16 simon-Precision-T1700 kernel: [ 2195.585187] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
Oct 28 16:07:21 simon-Precision-T1700 kernel: [ 2199.879719] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
Oct 28 16:07:25 simon-Precision-T1700 kernel: [ 2204.174252] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]

I use a Nvidia Qudro K600:

01:00.0 VGA compatible controller: NVIDIA Corporation GK107GL [Quadro K600] (rev a1)
Comment 3 Martin Peres 2019-12-04 09:14:43 UTC
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