sony-vaio-z-series team mailing list archive

[Wayde <didinux@xxxxxxxxx>]

Hello Philipp,

I also (some times) have this same problem on .31-13 and my previous fix
sent on this thread doesn't work..
--
Wayde.


On Mon, Oct 12, 2009 at 10:06 PM, Philipp Blanke <
philipp.blanke@xxxxxxxxxxxxxx> wrote:

> I can confirm this behavior on kernel 2.6.31-10 and -11. For my machine
> (z11) it is the bug #430694, where a race condition between the kernel
> modules agpgart-intel and drm  exists and randomly disables hardware
> acceleration from the intel chip. Then X falls back to the awfully slow
> software rendering (you can see this by calling glxinfo).
>
> An update to 2.6.31-13 solved the problem, since a workaround is
> implemented there.
>
> Cheers,
> Philipp
>
> Am Sonntag, den 11.10.2009, 16:20 +0200 schrieb Wayde:
> > I've never had this prob when i upgraded from jaunty, but when i did a
> > fresh install it appears.
> >
> > --
> > Wayde.
> >
> >
> > On Sun, Oct 11, 2009 at 3:22 PM, Mike <michael.huettemann@xxxxxxxxx>
> > wrote:
> >         Hi Wayde,
> >
> >         hmm. I did upgrade from Jaunty a while ago. While X did crash
> >         3 or 4
> >         times since then, there was never a situation yet where Xorg
> >         consumed
> >         all CPU cycles. I did mess with the X configuration alongside
> >         the
> >         attempts to  get the Intel/Nvidia switching going. Perhaps
> >         that makes
> >         a difference. (Not to mention we are on Vaios instead of
> >         Macbooks, of
> >         course).
> >
> >         Mike
> >
> >
> >         2009/10/11 Wayde <didinux@xxxxxxxxx>:
> >         > Hi Mike,
> >         >
> >         > I don't know but i searched for this prob and found that
> >         this is a confirmed
> >         > karmic bug :
> >         > https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/447231
> >         >
> >         > --
> >         > Wayde.
> >         >
> >         >
> >         > On Sun, Oct 11, 2009 at 3:01 PM, Mike
> >         <michael.huettemann@xxxxxxxxx> wrote:
> >         >>
> >         >> I only have about 1% CPU for the Xorg process on intel
> >         graphics with just
> >         >>
> >         >> (...)
> >         >> Section "Device"
> >         >>        Identifier      "Configured Video Device"
> >         >>        Option "AccelMethod" "uxa"
> >         >> EndSection
> >         >> (...)
> >         >>
> >         >> in xorg.conf.
> >         >>
> >         >> 2009/10/11 Wayde <didinux@xxxxxxxxx>:
> >         >> > Adding this line to xorg.conf seems to fix the problem !
> >         >> >
> >         >> > Section "Device"
> >         >> >     Identifier    "Configured Video Device"
> >         >> >     Driver        "intel"
> >         >> >     Option        "AccelMethod" "uxa"
> >         >> > EndSection
> >         >> >
> >         >> > Thanks.
> >         >> > --
> >         >> > Wayde.
> >         >> >
> >         >> >
> >         >> > On Sun, Oct 11, 2009 at 1:31 PM, Wayde
> >         <didinux@xxxxxxxxx> wrote:
> >         >> >>
> >         >> >> Hello All,
> >         >> >>
> >         >> >> I have an xorg process which take all the time 99% of my
> >         processor time
> >         >> >> !
> >         >> >> 1441 root      20   0 99.7m  25m 9668 R   99  0.9
> >         3:10.29 Xorg
> >         >> >>
> >         >> >> Do you have the same prob or is this normal ?
> >         >> >>
> >         >> >> Best regards,
> >         >> >> --
> >         >> >> Wayde.
> >         >> >
> >         >> >
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