[Bug 59721] New: drm_mm_remove_node oops GPU hang while restoring firefox windows

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59721

          Priority: medium
            Bug ID: 59721
          Assignee: dri-devel at lists.freedesktop.org
           Summary: drm_mm_remove_node oops GPU hang while restoring
                    firefox windows
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: shawn.starr at rogers.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 9.0
         Component: Drivers/Gallium/r600
           Product: Mesa

Created attachment 73462
  --> https://bugs.freedesktop.org/attachment.cgi?id=73462&action=edit
Kernel messages from session from start to crash point

While the laptop was left on overnight, monitor VGA port was in DPMS, LVDS was
disabled (I disable this output so as to not keep laptop lid open)

After the external LCD monitor via VGA woke up from DPMS mode, I viewed some
emails, then I tried to restore firefox windows, to which the screen froze then
it went into a GPU reset until i managed to switch VT to console

complete kernel message from that days session is attached to bug

kernel: 3.8.0-0.rc4.git1.1.fc19.x86_64
drm: libdrm-2.4.40-1.fc18.x86_64
mesa: mesa-dri-drivers-9.0.1-3.fc18.x86_64

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