<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [ILK]I-G-T/kms_flip subtest: 'wf_vblank-vs-modeset' fail" href="https://bugs.freedesktop.org/show_bug.cgi?id=59834#c6">Comment # 6</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [ILK]I-G-T/kms_flip subtest: 'wf_vblank-vs-modeset' fail" href="https://bugs.freedesktop.org/show_bug.cgi?id=59834">bug 59834</a> from <a class="email" href="mailto:yangweix.shui@intel.com" title="shui yangwei <yangweix.shui@intel.com>"> shui yangwei</a> <pre>(In reply to <a href="show_bug.cgi?id=59834#c5">comment #5</a>) > (In reply to <a href="show_bug.cgi?id=59834#c4">comment #4</a>) > > (In reply to <a href="show_bug.cgi?id=59834#c3">comment #3</a>) > > > (In reply to <a href="show_bug.cgi?id=59834#c2">comment #2</a>) > > > > One way I can reproduce this on current nightly 100% on IVB if the console > > > > is blanked when I start the test: > > > > > > > > # echo 1 > /sys/class/graphics/fb0/blank > > > > # kms_flip --run-subtest wf_vblank-vs-modeset > > > > > > > > Could you yanbing try this too? > > > > > > Could you also try the patch attached to <a class="bz_bug_link bz_status_NEW " title="NEW --- - [PNV]I-G-T/kms_flip subtest：'blocking-absolute-wf_vblank' fail" href="show_bug.cgi?id=60002">bug #60002</a>? > > > > I apply this patch on -nightly top, then loop running this case 20 times, > > all passed, I double checked ILK and IVB platform, Both worked well. But I > > don't know whether it's enough to judge this bug is fixed, because I see > > yanbing describe that this issue is not stable reproduced. > > Yes, you are right mine is a separate test case, I can only guess that the > root cause is the same. > > The next step would be to do Yanbing's original sequence with the patch > applied.. I just according to yanbing's original sequence, and can't reproduce this bug, I have reproduced on -fixes latest kernel, and is easy to come up this issue. So I think probably this patch really worked, you can apply the patch ,and if our nightly can't catch the error for a period, then we can close this bug.</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>