From: Baptiste Jonglez <baptiste@jonglez.org>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: i915_wait_request: BUG_ON(seqno == 0) triggered on IvyBridge
Date: Mon, 19 Dec 2011 10:14:12 +0100 [thread overview]
Message-ID: <20111219091412.GA30888@archminux> (raw)
In-Reply-To: <20111219062517.GA10945@localhost>
On Mon, Dec 19, 2011 at 02:25:17PM +0800, Wu Fengguang wrote:
> Hi,
>
> I managed to trigger the below BUG_ON when switching modes in an IvyBridge box.
>
> i915_wait_request():
>
> BUG_ON(seqno == 0);
>
> The call trace is at the bottom of the following dmesg. Any ideas?
See commit ed4a51842a9d9e618d4f4c31349b15b974dba5df on Linus' tree
(see also [1] and [2])
[1] https://lkml.org/lkml/2011/12/14/395
[2] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/903010
> Thanks,
> Fengguang
Regards,
Baptiste
prev parent reply other threads:[~2011-12-19 9:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-19 6:25 i915_wait_request: BUG_ON(seqno == 0) triggered on IvyBridge Wu Fengguang
2011-12-19 9:14 ` Baptiste Jonglez [this message]
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