<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Skylake GPU HANG while gstreamer H264 vaapi encoding from MJPEG vaapi decode on drm-tip" href="https://bugs.freedesktop.org/show_bug.cgi?id=110394#c1">Comment # 1</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Skylake GPU HANG while gstreamer H264 vaapi encoding from MJPEG vaapi decode on drm-tip" href="https://bugs.freedesktop.org/show_bug.cgi?id=110394">bug 110394</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>(In reply to Andy Nicholas from <a href="show_bug.cgi?id=110394#c0">comment #0</a>) > Especially concerning is that the machine is usable (but the GPU seems dead) > after this crash. We would like to figure out a way of determining that the > GPU has died and to kernel panic so that we can, eventually, reboot. > Modifying the kernel is A-OK to avoid this issue, so if Intel doesn't have a > mechanism then I will try to add something myself. Watch /proc/sys/kernel/tainted. Currently we set TAINT_WARN, but you can change that to TAINT_DIE if you fancy something less likely to be set by others. diff --git a/drivers/gpu/drm/i915/i915_reset.c b/drivers/gpu/drm/i915/i915_reset.c index 68875ba43b8d..11795677bf6e 100644 --- a/drivers/gpu/drm/i915/i915_reset.c +++ b/drivers/gpu/drm/i915/i915_reset.c @@ -1088,7 +1088,7 @@ void i915_reset(struct drm_i915_private *i915, * rather than continue on into oblivion. For everyone else, * the system should still plod along, but they have been warned! */ - add_taint(TAINT_WARN, LOCKDEP_STILL_OK); + add_taint(TAINT_DIE, LOCKDEP_STILL_OK); error: __i915_gem_set_wedged(i915); goto finish;</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>