<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [SNB, IVB libva+rc6] Page flips hang indefinitely, apparently waiting for mmio writes that never happen" href="https://bugs.freedesktop.org/show_bug.cgi?id=75502#c33">Comment # 33</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [SNB, IVB libva+rc6] Page flips hang indefinitely, apparently waiting for mmio writes that never happen" href="https://bugs.freedesktop.org/show_bug.cgi?id=75502">bug 75502</a> from <a class="email" href="mailto:simon@farnz.org.uk" title="Simon Farnsworth <simon@farnz.org.uk>"> Simon Farnsworth</a> <pre>Created <a href="attachment.cgi?id=97218" name="attach_97218" title="error state collected during hang.">attachment 97218</a> <a href="attachment.cgi?id=97218&action=edit" title="error state collected during hang.">[details]</a> error state collected during hang. Error state collected from a stalled box. # grep . /sys/kernel/debug/dri/0/i915_gem_pageflip Flip queued on pipe A (plane A) Flip queued on frame 4876195, now 5100833 Stall check enabled, 1 prepares Current scanout address 0x01061000 Old framebuffer address 0x01061000 New framebuffer address 0x0085b000 MMIO update completed? 0 No flip due on pipe B (plane B) is the stall. I'm running 3.14.0-0.rc7 with the patches from this bug applied.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>