https://bugs.freedesktop.org/show_bug.cgi?id=77892
Priority: medium
Bug ID: 77892
Assignee: dri-devel at lists.freedesktop.org
Summary: [RV635] when GPU locks up, reset happens but X is
unresponsive except mouse
Severity: critical
Classification: Unclassified
OS: Linux (All)
Reporter: shawn.starr at rogers.com
Hardware: x86-64 (AMD64)
Status: NEW
Version: unspecified
Component: DRM/Radeon
Product: DRI
For a long time now, I don't recall which 3.x broke this but there's been many
changes since and now, when the GPU does randomly reset, the display goes
blank, X display is restored, but I can only move mouse, cannot interact with
X.
Can someone point me to some debugging approaches to see if there's some lock
being held somewhere thats causing this?
I am able to ssh into the laptop so, this seems to point to some sort of lock
thats not released.
Bisecting radeon drm will be difficult if I have to start from near the
beginning of r600g drm support.
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