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<body><span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span> changed
<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>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEEDINFO
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<td>ASSIGNED
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<b><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#c27">Comment # 27</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 <span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=77263#c24">comment #24</a>)
<span class="quote">> (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?</span >
Yes, The glxgears is able to run, but it unable to display on the monitor.
Thanks.</pre>
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