<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [GM45 regression] GPU hang during disk io" href="https://bugs.freedesktop.org/show_bug.cgi?id=57136#c14">Comment # 14</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [GM45 regression] GPU hang during disk io" href="https://bugs.freedesktop.org/show_bug.cgi?id=57136">bug 57136</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 <a href="show_bug.cgi?id=57136#c13">comment #13</a>) > Created <a href="attachment.cgi?id=72011" name="attach_72011" title="tar.gz containing output of 'dmesg', Xorg.0.log, /var/gdm/:0*.log, empty i915_error_state">attachment 72011</a> <a href="attachment.cgi?id=72011&action=edit" title="tar.gz containing output of 'dmesg', Xorg.0.log, /var/gdm/:0*.log, empty i915_error_state">[details]</a> > tar.gz containing output of 'dmesg', Xorg.0.log, /var/gdm/:0*.log, empty > i915_error_state > > I applied the patch suggested above and built a Fedora kernel, > kernel-3.7.0-6.local.fc19.x86_64. > > I then booted that kernel and drove excessive I/O load on my Thinkpad X200: > I ran 'digikam', qemu-kvm of a Win7 image configured to use 2 cores, cat a > 'cat BIGFILES >/dev/null'. > > While the system didn't crash until I got all the above running, it did > hang/crash. > > This crash, I could not recover /system/kernel/debug/dri/0/i915_error_state: > I got a 'page allocation failure' when I attempted to copy it. Drat. Can't verify that the hang is the same as we are hunting without the error-state, but from the scenario it should be. So (as expected) we can assume that this is contradictory evidence that the patch is a sufficient workaround.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>