Bug 95351

Summary: lockup on kde startup
Product: Mesa Reporter: Martin Bednar <martin>
Component: Drivers/DRI/nouveauAssignee: Nouveau Project <nouveau>
Status: RESOLVED MOVED QA Contact: Nouveau Project <nouveau>
Severity: major    
Priority: medium CC: martin
Version: 11.2   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments: complete dmesg when hung
dmesg grepped for nouveau on kernel 4.5.2
dmesg 4.5.2

Description Martin Bednar 2016-05-11 12:42:51 UTC
Created attachment 123619 [details]
complete dmesg when hung

lspci:
01:00.0 VGA compatible controller: NVIDIA Corporation GT218 [NVS 300] (rev a2)

On plasma5 (5.6) session startup, the entire GUI freezes (except cursor, that still moves). Always before plasma initializes.

reproducible every time.
Comment 1 Martin Bednar 2016-05-11 12:55:55 UTC
Created attachment 123620 [details]
dmesg grepped for nouveau on kernel 4.5.2

Tried newer kernel (4.5.2), still happens.
Comment 2 Roy 2016-05-11 14:11:26 UTC
(In reply to Martin Bednar from comment #1)
> Created attachment 123620 [details]
> dmesg grepped for nouveau on kernel 4.5.2
> 
> Tried newer kernel (4.5.2), still happens.

Would you mind posting the full log rather than filtering/grepping through? Some of the backtrace has gone missing, and it'd be good to see other events in the system just for reference.
Thanks!
Comment 3 Martin Bednar 2016-05-11 14:31:59 UTC
Created attachment 123622 [details]
dmesg 4.5.2

It's extracted from journalctl, so instead of nouveau I grepped it for kernel. I hope it's more complete this way.
Comment 4 Martin Bednar 2016-06-03 11:13:17 UTC
Hi, do you still need more info? I'd be happy to provide it.
Comment 5 Tomasz Paweł Gajc 2016-12-11 22:29:20 UTC
Sounds like issue with multi-threading OpenGL support in nouveau, see #98039
Comment 6 GitLab Migration User 2019-09-18 20:42:32 UTC
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