<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [SKL] (recoverable) GPU hangs in benchmarks using compute shaders with drm-tip v4.19+ kernels" href="https://bugs.freedesktop.org/show_bug.cgi?id=108820#c37">Comment # 37</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [SKL] (recoverable) GPU hangs in benchmarks using compute shaders with drm-tip v4.19+ kernels" href="https://bugs.freedesktop.org/show_bug.cgi?id=108820">bug 108820</a> from <a class="email" href="mailto:eero.t.tamminen@intel.com" title="Eero Tamminen <eero.t.tamminen@intel.com>"> Eero Tamminen</a> <pre>(In reply to Mark Janes from <a href="show_bug.cgi?id=108820#c36">comment #36</a>) > Should this be blocking the Mesa 19.0 release? At least it started happening for us after the previous release. Because of <a class="bz_bug_link bz_status_NEW " title="NEW - [BSW] Mesa "total_needs <= urb_chunks" abort in GfxBench CarChase startup, if Mesa is built with Meson" href="show_bug.cgi?id=108787">bug 108787</a> caused by Meson, I started to wonder whether Meson is another possible cause for this (I started to see the random hangs sometime after switching to Meson). Jakub, are you building Mesa with Meson (like me) or Autotools? > Why wouldn't we suspect a bug in drm-tip instead of Mesa? Somebody needs to: * bisect Jakub's 2 fully reproducible compute shader test-case to find out whether they're same issue or not, and whether they are Mesa or kernel issues * look into attached i915 error files to check whether Jakub's fully reproducible compute hangs, and my very rarely happening CarChase hangs have the same cause. I.e. should there be separate bugs for these * Ask for new bugs to be filed where applicable and move them to drm-tip, if they're kernel issues (If those rare CarChase hangs match neither of Jakub's reproducible compute hang cases, and i915 error file isn't enough to locate the problem, that particular issue can't be located / debugged and probably needs to be wontfix, it's nowadays so rare.)</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>