Bug#490071: Same hangs with Radeon driver

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Bug#490071: Same hangs with Radeon driver

Andrea Vettorello
I'm experiencing the same hangs in X with the latest two version of
the Radeon driver (1:6.9.0-1+lenny1 and 1:6.9.0-1) as reported by
Juergen Kosel: unresponsive keyboard but mouse still moving and 100%
CPU usage by the X process.

Should I open a new bug report for the xserver-xorg-video-radeon or
can I post here further system info?


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Bug#490071: Same hangs with Radeon driver

Andrea Vettorello
On Tue, Jul 29, 2008 at 6:44 PM, Brice Goglin <[hidden email]> wrote:

> What we need is a (very precise) way to reproduce this hang. And also we

In the last few days the bug appeared in a series of two or at max
three hangs after cold boot, and then the driver started to work like
always (I did some fiddling).

For example, yesterday I tried to replace the driver with the
1:6.9.0-1 version and thought to have isolated the problem until this
morning when, after 4/5 minutes from boot/login (GDM), the same
lock-up.

Today, after disabling GDM and launching the session from the console,
it kept working stable. I was thinking about faulty hardware cause I
didn't found bug reports under the Radeon driver and the strange
behaviour until I spotted this one for the ATI driver.

> need to make sure it's not fixed in the upcoming Xorg 7.4.
> If the hang is related to 3D, you could try Mesa from experimental. If
> it's in the driver, you could try the upstream git. If it's in AIGLX or
> so, you could try mesa and xserver-xorg-core from experimental.

In my case it happens with a plain desktop, no 3D involved. I'm going
to build the driver from git following your instructions I've found at
http://bgoglin.livejournal.com/10936.html and I'll report here.

Thanks for your support.


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Bug#490071: Same hangs with Radeon driver

Michel Dänzer-3
On Tue, 2008-07-29 at 22:03 +0200, Andrea Vettorello wrote:

> On Tue, Jul 29, 2008 at 6:44 PM, Brice Goglin <[hidden email]> wrote:
>
> > What we need is a (very precise) way to reproduce this hang. And also we
>
> In the last few days the bug appeared in a series of two or at max
> three hangs after cold boot, and then the driver started to work like
> always (I did some fiddling).
>
> For example, yesterday I tried to replace the driver with the
> 1:6.9.0-1 version and thought to have isolated the problem until this
> morning when, after 4/5 minutes from boot/login (GDM), the same
> lock-up.
>
> Today, after disabling GDM and launching the session from the console,
> it kept working stable. I was thinking about faulty hardware cause I
> didn't found bug reports under the Radeon driver and the strange
> behaviour until I spotted this one for the ATI driver.

The symptoms described in this bug report are generic symptoms of a GPU
lockup, which can be caused by an infinite number of different things.
If the problem you're seeing only occurs after a cold boot, it does
sound like a (possibly temperature related) hardware issue.


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Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer



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Bug#490071: Same hangs with Radeon driver

Andrea Vettorello
In reply to this post by Andrea Vettorello
On Wed, Aug 13, 2008 at 9:26 AM, Michel Dänzer <[hidden email]> wrote:

[...]

>> I have just installed mesa from experimental. So the hang is triggered
>> immediatly when I start a gnome/compiz session: As before xorg occupies
>> all CPU time. But mouse and keyboard are still usable. Also the x
>> session could be closed by <ctrl><alt><backspace>.
>> In the original hang, xorg doesn't stop even on kill -9 !
>
> So it's not the same problem anymore.

I have not posted updates but the hangs disappeared again, it's
working stable at lest from the 8 august. I'm still using the Sid
packages.

I don't have Compiz installed but I'll gladly test it if you think
it's useful. The couple of OpenGL applications and the screensaver
hacks I tried work without problems.


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Bug#490071: Same hangs with Radeon driver

Andrea Vettorello
In reply to this post by Andrea Vettorello
On Thu, Aug 14, 2008 at 9:11 PM, Juergen Kosel <[hidden email]> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hello Andrea Vettorello,

Hi

> do the hangs on your machine appear under the same conditions as I have
> already described for my machine?
> (sporadically in gnome/compiz sessions but never seen in gnome/metacity
> sessions.)
>

No, only the symptoms (X using 100% of CPU time, keyboard and mouse
buttons unresponsive except mouse movements). I missed in your report
the part about Compiz and that in your case it never happened with
Metacity (I've only used Sawfish), so probably I've only added noise
here.

I was able to get another stack trace similar to the one I've included
above the 7 august. It probably hanged a last time the 8, but I'm not
completely sure as I've not taken note, then nothing, no more hangs in
the last week.

> I have the impression, that the hang occurs, when an application opens a
> new window. E.g. during the first attempt to mail the lines above, the
> hang occured:
> I saw the new window of icedove/enigmail in the workspace-preview
> tasklet but not on the workspace, the mouse was moveable for a few
> seconds and stopped then.

I experienced the hangs after few minutes from boot, usually when
interacting with the windows, but at least one time it hanged on the
GDM screen and in a session when I was doing nothing.


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Bug#490071: Same hangs with Radeon driver

Juergen Kosel
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hello,

Andrea Vettorello schrieb:

> On Thu, Aug 14, 2008 at 9:11 PM, Juergen Kosel <[hidden email]> wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> Hello Andrea Vettorello,
>
> Hi
>
>> do the hangs on your machine appear under the same conditions as I have
>> already described for my machine?
>> (sporadically in gnome/compiz sessions but never seen in gnome/metacity
>> sessions.)
>>
>
> No, only the symptoms (X using 100% of CPU time, keyboard and mouse
> buttons unresponsive except mouse movements). I missed in your report
> the part about Compiz and that in your case it never happened with
> Metacity (I've only used Sawfish), so probably I've only added noise
> here.

No, I use gnome/compiz most of the time. And gnome/metacity is used only
sometimes. So this is another explanation why I have seen it only with
compiz.
Do you use plain sawfish (without gnome)?

>
> I was able to get another stack trace similar to the one I've included
> above the 7 august. It probably hanged a last time the 8, but I'm not
> completely sure as I've not taken note, then nothing, no more hangs in
> the last week.
>
>> I have the impression, that the hang occurs, when an application opens a
>> new window. E.g. during the first attempt to mail the lines above, the
>> hang occured:
>> I saw the new window of icedove/enigmail in the workspace-preview
>> tasklet but not on the workspace, the mouse was moveable for a few
>> seconds and stopped then.
>
> I experienced the hangs after few minutes from boot, usually when
> interacting with the windows, but at least one time it hanged on the
> GDM screen and in a session when I was doing nothing.

Same for me. But when it seems idle, it is still possible that some
application tries to pop up a window.

So we have the same symptons. And therefore there is hope that this is
the same bug. But then it is not related to the window manager, because
we use different ones.

Greetings
        Juergen
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Bug#490071: Same hangs with Radeon driver

Michel Dänzer-3
On Fri, 2008-08-15 at 18:11 +0200, Juergen Kosel wrote:

>
> > I was able to get another stack trace similar to the one I've included
> > above the 7 august. It probably hanged a last time the 8, but I'm not
> > completely sure as I've not taken note, then nothing, no more hangs in
> > the last week.
> >
> >> I have the impression, that the hang occurs, when an application opens a
> >> new window. E.g. during the first attempt to mail the lines above, the
> >> hang occured:
> >> I saw the new window of icedove/enigmail in the workspace-preview
> >> tasklet but not on the workspace, the mouse was moveable for a few
> >> seconds and stopped then.
> >
> > I experienced the hangs after few minutes from boot, usually when
> > interacting with the windows, but at least one time it hanged on the
> > GDM screen and in a session when I was doing nothing.
>
> Same for me. But when it seems idle, it is still possible that some
> application tries to pop up a window.
>
> So we have the same symptons. And therefore there is hope that this is
> the same bug.

I'm afraid not, as I've written before:

The common symptoms are generic symptoms of a GPU lockup, which can be
caused by any number of things.

As it only happens for Andrea after a cold boot, his problem is likely
hardware (probably temperature) related.

Please don't make me write this again next month. ;)


--
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer



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