Re: 2.6.35-rc6+: i915: Bisected regression

[Shuang He]

 On 2010-8-1 18:51, Thomas Meyer wrote:
> Am 01.08.2010 um 13:42 schrieb Stefan Richter<stefanr@xxxxxxxxxxxxxxxxx>:
>
> > Thomas Meyer wrote:
> > > This commit makes suspend to ram unreliable for me:
> > >
> > > commit d1b851fc0d105caa6b6e3e7c92d2987dfb52cbe0
> > > Author: Zou Nan hai<nanhai.zou@xxxxxxxxx>
> > > Date:   Fri May 21 09:08:57 2010 +0800
> > >
> > >     drm/i915: implement BSD ring buffer V2
> > >
> > >     The BSD (bit stream decoder) ring is used for accessing the BSD engine
> > >     which decodes video bitstream for H.264 and VC1 on G45+.  It is
> > >     asynchronous with the render ring and has access to separate parts of
> > >     the GPU from it, though the render cache is coherent between the two.
> > >
> > >     Signed-off-by: Zou Nan hai<nanhai.zou@xxxxxxxxx>
> > >     Signed-off-by: Xiang Hai hao<haihao.xiang@xxxxxxxxx>
> > >     Signed-off-by: Eric Anholt<eric@xxxxxxxxxx>
> > >
> > > git revert didn't work on 2.6.35-rc6 so I just changed the HAS_BSD thing to:
> > >
> > > #define HAS_BSD(dev)            (0)
> > >
> > > with this change applied suspend to ram is back to the reliability of 2.6.34.y
> > >
> > > with kind regards
> > > thomas
> > Added CCs.
> >
> > Thomas, on what hardware did you observe the regression?
> Is a Intel mobile express gm45 chipset.
>
> >   Is it suspend
> > or resume that is unreliable?
> suspend never finishes/hangs.
>
> >   What are the particular symptoms --- does
> > not suspend, crashes during suspend, crashes during resume...?
> Does not suspend, backlight is on.


Could you help report a bug for this issue by following 
http://intellinuxgraphics.org/how_to_report_bug.html

Thanks
    --Shuang

> > --
> > Stefan Richter
> > -=====-==-=- =--- ----=
> > http://arcgraph.de/sr/
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/