linux-kernel - Re: [2.6.25-rc6] possible regression: X server dying

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Date:	Thu, 24 Apr 2008 18:40:02 +0200
From:	"Oliver Pinter" <oliver.pntr@...il.com>
To:	"Gerhard Pircher" <gerhard_pircher@....net>
Cc:	"Guennadi Liakhovetski" <g.liakhovetski@....de>, airlied@...il.com,
	linux-kernel@...r.kernel.org
Subject: Re: [2.6.25-rc6] possible regression: X server dying

On 4/9/08, Gerhard Pircher <gerhard_pircher@....net> wrote:
>
> -------- Original-Nachricht --------
> > Datum: Tue, 8 Apr 2008 23:01:26 +0200 (CEST)
> > Von: Guennadi Liakhovetski <g.liakhovetski@....de>
> > An: Dave Airlie <airlied@...il.com>
> > CC: Gerhard Pircher <gerhard_pircher@....net>,
> linux-kernel@...r.kernel.org
> > Betreff: Re: [2.6.25-rc6] possible regression: X server dying
>
> > On Tue, 8 Apr 2008, Dave Airlie wrote:
> >
> > > On Mon, Apr 7, 2008 at 12:34 AM, Gerhard Pircher
> > <gerhard_pircher@....net> wrote:
> > > >
> > > >  Sorry for hijacking this thread, but I have a similar problem with
> > > >  the Xorg X server. I'm using kernel 2.6.25-rc8 on my AmigaOne
> > > >  (PowerPC) and the X server dies right on startup, but only if
> > > >  DRI/DRM is enabled. I tested this with both Xorg 7.1 (Debian Etch
> > > >  version) and Xorg 7.2 (Lenny). The X server was working fine with
> > > >  kernel 2.6.25-rc6. I have to mention that the AmigaOne uses uncached
> > > >  memory for DMA operations. Benjamin Herrenschmidt fixed DRI recently
> > > >  for non cache coherent systems and his patches are working fine (I
> > > >  applied them to kernel 2.6.25-rc6).
> > > >  Please take a look at the attached Xorg.0.log file or at the excerpt
> > > >  below:
> >
> > Hm, so looks like I'm not seeing some ghosts on mine either. 2.6.25-rc8
> > xorg runs under etch, but enters a tight (no syscalls) loop woth 100% CPU
> > load under lenny. A 2.6.24 based kernel works under both etch and
> > lenny...
> Strange! I guess I should recompile the kernel and test again. :(
> I also experienced a high load under Lenny, but IIRC this showed up under
> an older kernel (2.6.18), too (after X server is started, standard
> installation, no additional packages).

i have too this problem, the Xserver is dieing, but undependent from
kernel version, i think it is a xserver problem

Package: xserver-xorg-video-ati
Priority: optional
Section: x11
Installed-Size: 880
<>
Architecture: i386
Version: 1:6.6.3-2

under etch and 2.6.22.22 and 2.6.24.y kernel is ok
under lenny and 2.6.22.22 or 2.6.24.y or 2.6.25, in first start the
xserver crashed

>
> > Haven't had time to try to localize the problem. Glint xorg driver, DRM
> > and AGP are off, CONFIG_FB_PM2=y.
> The X server only dies on my machine, if DRM is on. I read somewhere that
> the lastest DRM patches need a newer Xorg version (~7.3). Could that be
> the problem with kernel 2.6.25-rc8?
>
> Thanks!
>
> Gerhard
> --
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-- 
Thanks,
Oliver
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