<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [snb] GTT mapping fails after GPU hang" href="https://bugs.freedesktop.org/show_bug.cgi?id=63921#c54">Comment # 54</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [snb] GTT mapping fails after GPU hang" href="https://bugs.freedesktop.org/show_bug.cgi?id=63921">bug 63921</a> from <a class="email" href="mailto:nicolashillegeer@gmail.com" title="Nicolas Hillegeer <nicolashillegeer@gmail.com>"> Nicolas Hillegeer</a> <pre>(In reply to <a href="show_bug.cgi?id=63921#c53">comment #53</a>) > (In reply to <a href="show_bug.cgi?id=63921#c52">comment #52</a>) > > (In reply to <a href="show_bug.cgi?id=63921#c51">comment #51</a>) > > > (In reply to <a href="show_bug.cgi?id=63921#c49">comment #49</a>) > > > > (In reply to <a href="show_bug.cgi?id=63921#c48">comment #48</a>) > > > > > Created <a href="attachment.cgi?id=79420" name="attach_79420" title="Patch to get error state out on low/fragmented memory situations">attachment 79420</a> <a href="attachment.cgi?id=79420&action=edit" title="Patch to get error state out on low/fragmented memory situations">[details]</a> <a href='page.cgi?id=splinter.html&bug=63921&attachment=79420'>[review]</a> [review] [review] [review] [review] [review] > > > > > Patch to get error state out on low/fragmented memory situations > > > > > > > > Patch doesn't apply cleanly to 3.9.2 (error at the end of message). Do you > > > > prefer if I try to backport or start using another kernel? > > > > > > I have attached a proper patch to get error state out even if > > > memory is fragmented, backported to 3.9.2. > > > > > > Patch is also included in: > > > <a href="http://cgit.freedesktop.org/~danvet/drm-intel/log/?h=drm-intel-next-queued">http://cgit.freedesktop.org/~danvet/drm-intel/log/?h=drm-intel-next-queued</a> > > > > > > Nicolas, could you please try the patch so that we could get > > > an error state for this bug. Thanks. > > > > Mika, I had already more or less backported the patch to 3.9.3 (see the > > other bug report: <a class="bz_bug_link bz_status_NEW " title="NEW --- - [snb] [h.264] [vaapi-mplayer] GPU hangs with both UXA and SNA after concurrent playback + GTT mapping fails after GPU hang" href="show_bug.cgi?id=63946">https://bugs.freedesktop.org/show_bug.cgi?id=63946</a>). Now > > I'm having difficulties getting it to crash without locking hard. Often it > > doesn't crash but lowers its output frequency as I explain in that bug > > report (which is for the same bug). I'm trying out on a lot of units todays > > so hopefully I strike gold! I'll keep you guys posted. Thanks for the > > correct backport. > > Nicolas, it is not a backport of the previous patch in this bug (it was > vmalloc hack). The newly attached patch avoids seq_file completely and > should work in very low memory and/or fragmented situations also. Acknowledged, that sounds good. I'll compile a fresh kernel and run with your newest patch.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>