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[Bug 1039700] [Build 0243] hanging system within plasma session. kernel WARNING: CPU: 0 PID: 2007 at ../drivers/gpu/drm/drm_irq.c:1326 drm_wait_one_vblank+0x149/0x180
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Fri, 19 May 2017 07:58:05 +0000
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Oliver Kurz <okurz@xxxxxxxx> changed:

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--- Comment #11 from Oliver Kurz <okurz@xxxxxxxx> ---
(In reply to Takashi Iwai from comment #10)
You can try the remote access and trigger sysrq-t for checking which process
is handing what. But I guess it won't show up if it's a silent GPU hang.

Well, my bash text session is working fine and the mouse also works. Checking
/var/log/XOrg.0.log I can see that X is also responsive to the VT switch. So
can I guess it is not a "silent GPU hang"? It could be a plasma issue or
something that is at least related to the driver.

Any recommendations regarding checking which application hang here?

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