[Bug 71864] [RS690] GPU Lockup CP Stall and Resulting Kernel Oops (Kernel 3.2.0) - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 71864] [RS690] GPU Lockup CP Stall and Resulting Kernel Oops (Kernel 3.2.0)
Date: Fri, 22 Nov 2013 15:08:58 +0000	[thread overview]
Message-ID: <bug-71864-502-d4hhFXid43@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-71864-502@http.bugs.freedesktop.org/>

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https://bugs.freedesktop.org/show_bug.cgi?id=71864

--- Comment #12 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #11)
> (In reply to comment #10)
> > 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?

I'm not sure what ubuntu ships off hand.

> 
> 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? 

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.

> 
> Do you have any ideas on possible root causes of this kernel oops?

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.

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