<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [ivb] hang on rcs pageflip" href="https://bugs.freedesktop.org/show_bug.cgi?id=74053#c19">Comment # 19</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [ivb] hang on rcs pageflip" href="https://bugs.freedesktop.org/show_bug.cgi?id=74053">bug 74053</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=74053#c18">comment #18</a>) > Created <a href="attachment.cgi?id=93534" name="attach_93534" title="crash dump when using patch from comment #13">attachment 93534</a> <a href="attachment.cgi?id=93534&action=edit" title="crash dump when using patch from comment #13">[details]</a> > crash dump when using patch from <a href="show_bug.cgi?id=74053#c13">comment #13</a> > > Tried patch from <a href="show_bug.cgi?id=74053#c13">comment #13</a> . Apparently it didn't solved the issue, That's actually reassuring. The crash dump shows that the patch is working and the GPU is awake, so forcewake is definitely not an issue here. > but > there is some notable change: usually I was able to spot the hang because > everything freeze, only the mouse moves. Eventually and often, for some very > weird reason, firefox fonts are corrupted, some latin letter is replaced > with non latin one or anyway some other symbol, the only fix is to restart > firefox. This time just the latter happened. Luckly I checked dmesg and I > saw the "stuck at render ring" notification. That just sounds like the usual dangers with a hung gpu and discarding work before resetting. (We have plans to fix it.)</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>