Bug#550562: [fwd] [Bug 14535] Memory corruption detected in low memory
Ben,
any chance you could try the kernel branch Dave points to in the message
below?
Thanks,
Julien
----- Forwarded message from bugzilla-daemon@bugzilla.kernel.org -----
From: bugzilla-daemon@bugzilla.kernel.org
Date: Sun, 21 Feb 2010 19:55:47 GMT
To: dri-devel@lists.sourceforge.net
Subject: [Bug 14535] Memory corruption detected in low memory
http://bugzilla.kernel.org/show_bug.cgi?id=14535
--- Comment #20 from Dave Airlie <airlied@linux.ie> 2010-02-21 19:55:41 ---
I've tried to reproduce this locally and haven't had any luck using Fedora
running in user mode setting. It would help if someone could try with an old
kernel and see it still happens.
Alternatively can someone test this with
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git
drm-radeon-testing
We haven't touched the non-kms radeon driver much, the only thing that seems to
be happening is mesa is getting better at creating fully used command buffers
and the kernel has gotten worse at giving out large kmallocs (64k), there are
fixes for this in drm-radeon-testing to avoid the larger mallocs which will
hopefully help in some way, I'll see if I can spot a codepath where we send
crap to the GPU, but we currently test the offsets userspace gives us and
validate them for crap to avoid just this.
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