[Bug 27498] New: Gpu hangs while using gnome-shell

[bugzilla-daemon@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27498

           Summary: Gpu hangs while using gnome-shell
           Product: DRI
           Version: DRI CVS
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.sourceforge.net
        ReportedBy: sobkas@gmail.com


Created an attachment (id=34723)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=34723)
Gpu hang with graphic problem

Using "Applications" menu inside "Activities" panel can hang GPU. On rare
occasions it can also happen during normal usage. 

During the hang system can either hang solid(it doesn't even respond to magic
keys) or only graphic stops working(while kms console is still usable).

In first state display goes into sleep mode and machine just doesn't response.
In /var/log/messages I saw lots of this:
"
Apr  6 18:15:52 localhost kernel: [  219.750559] [drm]
RB3D_RESET_STATUS=0x00001F94
Apr  6 18:15:52 localhost kernel: [  219.750561] [drm] ISYNC_CNTL=0x00000033
Apr  6 18:15:52 localhost kernel: [  219.750563] [drm] radeon: cp idle
(0x10000000)
Apr  6 18:15:52 localhost kernel: [  219.750574] [drm] radeon: ring at
0x0000000020000000
Apr  6 18:15:52 localhost kernel: [  219.750602] [drm] ring test succeeded in 7
usecs
Apr  6 18:15:52 localhost kernel: [  219.750605] [drm] GPU reset succeed
(RBBM_STATUS=0x10000140)
Apr  6 18:15:52 localhost kernel: [  219.758516] [drm] GA reset succeed
(RBBM_STATUS=0x10000140)
Apr  6 18:15:52 localhost kernel: [  219.758523] [drm] GA_IDLE=0x07FFFFFF
"

In second state I'm able to switch back into console.


Kernel drm-randeon-testing: 65965f4b702f98cb3857db44375e5d6a804d4937
mesa: d18d0fdcd8daa0d9979b72978795f0305d2db7c8
drm: c7650003c52ee29b7fa5ebf20dd134079f0b8488

gnome-shell:
  Installed: 2.29.0-2
  Candidate: 2.29.0-2
  Version table:
 *** 2.29.0-2 0
        500 http://ftp.pl.debian.org unstable/main Packages
        500 http://ftp.pl.debian.org testing/main Packages
        100 /var/lib/dpkg/status

xserver-xorg-video-radeon:
  Installed: 1:6.13.0-1
  Candidate: 1:6.13.0-1
  Version table:
 *** 1:6.13.0-1 0
        500 http://ftp.pl.debian.org unstable/main Packages
        100 /var/lib/dpkg/status
     1:6.12.6-1 0

xserver-xorg-core:
  Installed: 2:1.7.6-2
  Candidate: 2:1.7.6-2
  Version table:
 *** 2:1.7.6-2 0
        500 http://ftp.pl.debian.org unstable/main Packages
        100 /var/lib/dpkg/status
     2:1.7.6-1 0
        500 http://ftp.pl.debian.org testing/main Packages

        500 http://ftp.pl.debian.org testing/main Packages

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