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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [RS690] GPU Lockup CP Stall and Resulting Kernel Oops (Kernel 3.2.0)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=71864#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [RS690] GPU Lockup CP Stall and Resulting Kernel Oops (Kernel 3.2.0)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=71864">bug 71864</a>
from <span class="vcard"><a class="email" href="mailto:agd5f@yahoo.com" title="Alex Deucher <agd5f@yahoo.com>"> <span class="fn">Alex Deucher</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=71864#c11">comment #11</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=71864#c10">comment #10</a>)
> > Is this still an issue with a newer kernel? Did you also update your
> > userspace stack (mesa, xf86-video-ati)?
>
> We used Ubuntu update manager to upgrade to kernel 3.2. It's part of
> Ubuntu's long term support release 12.04.
> From the attached logs I can see following installed versions:
> 1. xserver-xorg-video-ati (Ubuntu's xf86-video-ati)
> [ 107.230] (II) Loading /usr/lib/xorg/modules/drivers/ati_drv.so
> [ 107.230] (II) Module ati: vendor="X.Org Foundation"
> [ 107.230] compiled for 1.11.3, module version = 6.14.99
> [ 107.230] Module class: X.Org Video Driver
> [ 107.230] ABI class: X.Org Video Driver, version 11.0
> [ 107.230] (II) LoadModule: "radeon"
> [ 107.230] (II) Loading /usr/lib/xorg/modules/drivers/radeon_drv.so
> [ 107.231] (II) Module radeon: vendor="X.Org Foundation"
> [ 107.231] compiled for 1.11.3, module version = 6.14.99
> [ 107.231] Module class: X.Org Video Driver
> [ 107.231] ABI class: X.Org Video Driver, version 11.0
> 2. OpenGL version string: 2.1 Mesa 8.0.4
>
> Are these the expected versions?</span >
I'm not sure what ubuntu ships off hand.
<span class="quote">>
> I can try to install also a newer kernel. But as we talk about a 24/7
> server, I need some guidance. Newer kernel also requires newer userspace
> stack? Which kernel version would you recommend? </span >
The kernels and userspace stacks are generally compatible, so for the most part
you can mix and match userspace and kernel versions as long as both support
your asics.
<span class="quote">>
> Do you have any ideas on possible root causes of this kernel oops?</span >
Some combination of commands from the userspace components is causing a a GPU
hang. The driver attempts to reset the GPU, but fails. I would suggest trying
upgrading or downgrading your userspace gfx components to see if that helps.</pre>
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