<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [IVB/SNB/BYT/BDW/BSW]igt/kms_flip subcases fail and don't exit testing" href="https://bugs.freedesktop.org/show_bug.cgi?id=81367#c17">Comment # 17</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [IVB/SNB/BYT/BDW/BSW]igt/kms_flip subcases fail and don't exit testing" href="https://bugs.freedesktop.org/show_bug.cgi?id=81367">bug 81367</a> from <a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> Guo Jinxian</a> <pre>(In reply to <a href="show_bug.cgi?id=81367#c16">comment #16</a>) > Ok, so in addition to the bcs-flip-vs-dpms BDW problem, I found another > problem: if, on HSW, I run: > > $ for i in $(seq 2000); do echo; echo === $i; time sudo ./kms_flip > --run-subtest 2x-flip-vs-modeset; done > > Then, at some point, the kms_flip command will not exit. It is important to > notice that this only happens once every few hundred times on my machine, > not "always", as implied by QA. Can QA confirm whether this happens every > time, or just sometimes on QA's machines? > I tried 10 times on BDW, and can reproduce this every time. > And for this specific problem, commit > eef768f283466b6d7cb3f08381f72ccf3951dc99 seems to be the root-cause, just > like pointed by <a href="show_bug.cgi?id=81367#c4">comment #4</a>. On the parent commit of eef768f2 (b6ed9fb0d9a68cd3e07154b80e78e60778a4887b), this error unable to reproduce.</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>