From: Keith Packard <keithp@keithp.com>
To: "Alex Villacís Lasso" <a_villacis@palosanto.com>,
"David Airlie" <airlied@linux.ie>,
dri-devel@lists.freedesktop.org
Subject: Re: Memory corruption starting in i915 code, in 3.2-rc5
Date: Sun, 11 Dec 2011 12:46:14 -0800 [thread overview]
Message-ID: <86bore4z1l.fsf@sumi.keithp.com> (raw)
In-Reply-To: <4EE4F82E.9010801@palosanto.com>
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On Sun, 11 Dec 2011 13:36:30 -0500, Alex Villacís Lasso <a_villacis@palosanto.com> wrote:
> My system is a Fedora 16 x86_64 running self-compiled vanilla kernel
> (.config attached for -rc5). I am getting an apparent memory corruption
> that starts since linux 3.2-rc5. No such corruption was noticed in
> 3.2-rc4. On the first instance, I eventually got a NULL pointer
> dereference and the screen went black, the keyboard was unresponsive,
> and I had to hard-reboot the machine. On the second instance, I managed
> to reboot the machine normally. The full message log is attached. An
> extract of the first WARNING:
The only patch in the i915 code between rc4 and rc5 is a tiny VT-d
workaround fix for ILK machines, which does fiddle with how the request
linked lists are managed.
Can you try reverting eb1711bb94991e93669c5a1b5f84f11be2d51ea1 and see
if your problem goes away?
--
keith.packard@intel.com
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next prev parent reply other threads:[~2011-12-11 20:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-11 18:36 Memory corruption starting in i915 code, in 3.2-rc5 Alex Villacís Lasso
2011-12-11 20:46 ` Keith Packard [this message]
2011-12-11 21:29 ` Alex Villacís Lasso
2011-12-12 14:51 ` Alex Villacís Lasso
2011-12-12 16:41 ` Keith Packard
2011-12-13 15:14 ` Alex Villacís Lasso
2011-12-13 18:14 ` Keith Packard
2011-12-13 18:26 ` Daniel Vetter
2011-12-16 19:22 ` Keith Packard
2011-12-16 22:04 ` Ben Widawsky
2011-12-13 18:36 ` Daniel Vetter
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