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

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Date:	Tue, 8 Apr 2008 08:27:45 +1000
From:	"Dave Airlie" <airlied@...il.com>
To:	"Gerhard Pircher" <gerhard_pircher@....net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [2.6.25-rc6] possible regression: X server dying

On Mon, Apr 7, 2008 at 12:34 AM, Gerhard Pircher
<gerhard_pircher@....net> wrote:
> -------- Original-Nachricht --------
>  > Datum: Sun, 6 Apr 2008 17:44:25 +1000
>  > Von: "Dave Airlie" <airlied@...il.com>
>  > An: "Tilman Schmidt" <tilman@...p.cc>
>  > CC: linux-kernel@...r.kernel.org
>  > Betreff: Re: [2.6.25-rc6] possible regression: X server dying
>
>
>  > >  0: /usr/bin/X(xf86SigHandler+0x81) [0x80e6d81]
>  > >  1: [0xb7ef7400]
>  > >  2: /usr/lib/xorg/modules//extensions/libglx.so [0xb7b7d8e8]
>  > >  3: /usr/lib/xorg/modules//extensions/libglx.so(DoRender+0xdd)
>  > [0xb7b7645d]
>  > >  4: /usr/lib/xorg/modules//extensions/libglx.so [0xb7b7657c]
>  > >  5: /usr/lib/xorg/modules//extensions/libglx.so [0xb7b7aa6d]
>  > >  6: /usr/bin/X [0x815809e]
>  > >
>  > >  7: /usr/bin/X(Dispatch+0x1af) [0x808f68f]
>  > >  8: /usr/bin/X(main+0x47e) [0x807717e]
>  > >  9: /lib/libc.so.6(__libc_start_main+0xe0) [0xb7c8bfe0]
>  > >  10: /usr/bin/X(FontFileCompleteXLFD+0x1e5) [0x8076501]
>  > >
>  > >  But I know next to nothing about GL, so I'm out of my depth there.
>  > >  I'd welcome any suggestions on how to provoke the crash more
>  > >  regularly so that I could attempt to bisect.
>  >
>  > Its one of the GL screensavers, not sure how to narrow it down, use
>  > ldd to figure out which ones are using GL.
>  >
>  > I've no idea how the kernel is influencing this.
>  >
>  > Dave.
>
>  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:

This is not the same problem at all.

So no thread hijacking for you.
.
Dave.
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