[PATCH 1/2] drm/i915: Disable semaphores by default on SNB

2011-12-26 Thread Keith Packard
Semaphores still cause problems on some machines: > From Udo Steinberg: > > With Linux-3.2-rc6 I'm frequently seeing GPU hangs when large amounts of > text scroll in an xterm, such as when extracting a tar archive. Such as this > one (note the timestamps): > > I can reproduce it fairly easily

[PATCH 1/2] drm/i915: Disable semaphores by default on SNB

2011-12-26 Thread Keith Packard
Semaphores still cause problems on some machines: From Udo Steinberg: With Linux-3.2-rc6 I'm frequently seeing GPU hangs when large amounts of text scroll in an xterm, such as when extracting a tar archive. Such as this one (note the timestamps): I can reproduce it fairly easily with