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SubjectRe: [PATCH] drm/i915: Record error batch buffers using iomem
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On Wed, 12 May 2010 18:45:55 +0530, Jaswinder Singh Rajput <jaswinderlinux@gmail.com> wrote:
> Hello Chris,
>
> With this patch after XWindows freezes, I get :
[snip]
> freeze dmesg : http://userweb.kernel.org/~jaswinder/acer_netbook/dmesg_2634_chris_hang.txt
>
> freeze Xorg.log : http://userweb.kernel.org/~jaswinder/acer_netbook/Xorg_log.txt

Jaswinder can you also upload the /sys/kernel/debug/dri/0/i915_error_state
following a freeze as well, please. If your /sys/kernel/debug is empty,
you will need to "mount -tdebugfs debug /sys/kernel/debug".

> So it means this patches shifted the BUG and warning messages after
> some time. So I can only work on XWindows for few minutes with this
> patch.
> Andrew patch is in linus git tree. Can you please update your patch
> above Andrew patch. So that I can do further testing.

What is in the tree is adequate for the time being. It will capture the
batch buffer into the error state. My follow-on patch only increases the
level of paranoia. Thanks for testing.

--
Chris Wilson, Intel Open Source Technology Centre


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