linux-kernel - Re: [PATCH] Revert "drm/i915: fix vblank wait test condition"

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Date:	Sun, 5 Sep 2010 12:21:33 +0200
From:	Fabio Comolli <fabio.comolli@...il.com>
To:	Sitsofe Wheeler <sitsofe@...oo.com>
Cc:	Sven Joachim <svenjoac@....de>, Hugh Dickins <hughd@...gle.com>,
	Pekka Enberg <penberg@...nel.org>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: Re: [PATCH] Revert "drm/i915: fix vblank wait test condition"

Hi.

On Sun, Sep 5, 2010 at 12:13 PM, Fabio Comolli <fabio.comolli@...il.com> wrote:
> Hi.
>
>> Do you have any debugging options (e.g.
>> lock dep checking) on that would slow your kernel down and stop the
>> issue from ocurring?
>>
>
> Never had this kind of issues. I also tested rc2 without problems.
>

[root@...bert] - [~] zgrep -i lock /proc/config.gz |grep -v ^#
CONFIG_CLOCKSOURCE_WATCHDOG=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_LOCK_KERNEL=y
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
CONFIG_BLOCK=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_FILE_LOCKING=y

>> --
>> Sitsofe | http://sucs.org/~sits/
>>
>
> Regards,
> Fabio
>
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