<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub" href="https://bugs.freedesktop.org/show_bug.cgi?id=66963#c126">Comment # 126</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub" href="https://bugs.freedesktop.org/show_bug.cgi?id=66963">bug 66963</a> from <a class="email" href="mailto:agd5f@yahoo.com" title="Alex Deucher <agd5f@yahoo.com>"> Alex Deucher</a> <pre>(In reply to <a href="show_bug.cgi?id=66963#c124">comment #124</a>) > I've noticed, that while watching youtube videos, sometimes (actually rather > often) everything freezes. Looks like Xorg crash. It tries to recover but > screen freezes, though mouse is working and sound (probably everything else > is alive). > > Dmesg is flooded with messages: > [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! > radeon 0000:01:00.0: couldn't schedule ib That's a GPU lock up which may not be related to dpm. I recently fixed an alignment issue with command buffers that may fix these hangs for you. you'll need this patch for libdrm: <a href="http://cgit.freedesktop.org/mesa/drm/commit/?id=58d008883165ba35c83041fa9ed84937163d5f76">http://cgit.freedesktop.org/mesa/drm/commit/?id=58d008883165ba35c83041fa9ed84937163d5f76</a> and this patch for mesa: <a href="http://cgit.freedesktop.org/mesa/mesa/commit/?id=a81beee37e0dd7b75422448420e8e8b0b4b76c1e">http://cgit.freedesktop.org/mesa/mesa/commit/?id=a81beee37e0dd7b75422448420e8e8b0b4b76c1e</a></pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>