<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [HSW] GPU hang on ctx load" href="https://bugs.freedesktop.org/show_bug.cgi?id=83677#c16">Comment # 16</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [HSW] GPU hang on ctx load" href="https://bugs.freedesktop.org/show_bug.cgi?id=83677">bug 83677</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>(In reply to <a href="show_bug.cgi?id=83677#c14">comment #14</a>) > (In reply to <a href="show_bug.cgi?id=83677#c13">comment #13</a>) > > I've updated the shotgun at #requests. It's been reworked quite a bit since > > then, and I need to double check that it still applies. I think I have a > > germ of a theory as to what is going wrong. > > I'm now testing teh requests branch, as of > > commit da0c726483f60d4f53de49a4a2753a1d95983bd9 > Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> > Date: Thu Sep 18 12:54:55 2014 +0100 > > Revert "drm/i915: Enable full PPGTT on gen7" > > This reverts commit 83255c23abe91da047dc71e52be62c42dd4c04a1. > > This gets me a new bit of excitement - when I start X for the first time, > the log file says: > > [ 72.039] (WW) xf86OpenConsole: setpgid failed: Operation not permitted > [ 72.039] (WW) xf86OpenConsole: setsid failed: Operation not permitted > [ 72.039] (EE) > Fatal server error: > [ 72.039] (EE) xf86OpenConsole: VT_ACTIVATE failed: Input/output error > [ 72.039] (EE) > [ 72.039] (EE) > > which it didn't before. Second attempt to start X works fine. Right, there is a nasty bug in the vt layer somewhere. The branch contains a patch to return -EIO to prevent a lockup. But you should see that regardless, just depends on kernel config. > I also get a new message (but not reliably) in dmesg: > > [ 255.476493] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer > elapsed... blitter ring idle > > And I've had the machine freeze completely while restarting X11. These two are more concerning. On HSW. Hmm.</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> <li>You are the assignee for the bug.</li> </ul> </body> </html>