<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [HSW] GPU hang on ctx load" href="https://bugs.freedesktop.org/show_bug.cgi?id=83677#c45">Comment # 45</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [HSW] GPU hang on ctx load" href="https://bugs.freedesktop.org/show_bug.cgi?id=83677">bug 83677</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=83677#c44">comment #44</a>) > (In reply to <a href="show_bug.cgi?id=83677#c42">comment #42</a>) > > Thanks, the missed irq/seqno coherency is worrying enough, but at least it > > confirms that there is some magic in there that seems to prevent the ctx > > load error. Do you mind keeping that test system running until a bug shows > > itself? > > Still no further issues. > > It looks like I can only provoke that message by restarting X and the > compositor; would you like me to set that going in an endless loop and see > if it BUG()s? Nah, worked out the cause there. It is the ivb+ blt irq coherency bug, and a bad interaction of patches in my branch broke the w/a. I've been trying to think as to what other magic could be in s/seqno/requests/ that fixup the ctx hang. I think we have more or less explored the ctx specific parts of the patch. So now what? :|</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> <li>You are the assignee for the bug.</li> </ul> </body> </html>