<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [BDW GT3]System hangs while running glxgear with SNA" href="https://bugs.freedesktop.org/show_bug.cgi?id=77263#c24">Comment # 24</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [BDW GT3]System hangs while running glxgear with SNA" href="https://bugs.freedesktop.org/show_bug.cgi?id=77263">bug 77263</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=77263#c19">comment #19</a>) > (In reply to <a href="show_bug.cgi?id=77263#c18">comment #18</a>) > > (In reply to <a href="show_bug.cgi?id=77263#c16">comment #16</a>) > > > (In reply to <a href="show_bug.cgi?id=77263#c13">comment #13</a>) > > > > One thing to try is > > > > > > > > commit b12bc035fb8ee40bb382e66604e869b729270189 > > > > Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> > > > > Date: Tue Apr 22 12:30:29 2014 +0100 > > > > > > > > sna: Add a DBG aide to disable hardware execution > > > > > > > > Submit a dummy batch so that we still build, submit batches and perform > > > > relocations, but do not actually invoke the GPU. This can be useful when > > > > looking at mysterious hardware hangs. > > > > > > > > References: <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [BDW GT3]System hangs while running glxgear with SNA" href="show_bug.cgi?id=77263">https://bugs.freedesktop.org/show_bug.cgi?id=77263</a> > > > > Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> > > > > > > > > and > > > > > > > > diff --git a/src/sna/kgem.c b/src/sna/kgem.c > > > > index 82199a1..68b0917 100644 > > > > --- a/src/sna/kgem.c > > > > +++ b/src/sna/kgem.c > > > > @@ -61,7 +61,7 @@ static struct kgem_bo * > > > > search_snoop_cache(struct kgem *kgem, unsigned int num_pages, unsigned > > > > flags); > > > > > > > > #define DBG_NO_HW 0 > > > > -#define DBG_NO_EXEC 0 > > > > +#define DBG_NO_EXEC 1 > > > > #define DBG_NO_TILING 0 > > > > #define DBG_NO_CACHE 0 > > > > #define DBG_NO_CACHE_LEVEL 0 > > > > > > > > That will isolate the fault in either the driver or the hardware. > > > > > > > > > Sorry, I did't find this commit in -nightly -fixes and -next-queued branch, > > > could you tell me, which branch this commit in? Thanks. > > > > xf86-video-intel. > > Reset to commit b12bc035fb8ee40bb382e66604e869b729270189 and patched, then > build it with latest unstable X11R7, the screen unable to display after > start X. As expected. Did you run glxgears?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>