<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [sna] X-Server freeze when playing a video using VA-API in dual-head configuration" href="https://bugs.freedesktop.org/show_bug.cgi?id=84744#c10">Comment # 10</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [sna] X-Server freeze when playing a video using VA-API in dual-head configuration" href="https://bugs.freedesktop.org/show_bug.cgi?id=84744">bug 84744</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 M. G. from <a href="show_bug.cgi?id=84744#c8">comment #8</a>) > Unfortunately I have no /proc/`pidof Xorg`/stack file. Can you tell me how > to enable it? I have set CONFIG_STACKTRACE_SUPPORT=y in my kernel config. Perhaps your process is called X, not Xorg. You can take a look at "ps ax" and manually grab the pid to use above. > After uploading the above files with my second PC, I switched the monitor > input back and saw that the video moved on a few frames but the video was > still stuck. After moving the mouse the video playback continued fine. I > will attach the syslog. Does this help? Indeed. That sort of ties in with it not appearing to freeze inside the graphics driver... Could you try finding the right /proc/<pid>/stack and/or attaching gdb and getting a backtrace? Time to read syslog...</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>