Re: system hang on latest git

From: Olof Johansson
Date: Tue Jan 29 2008 - 16:44:34 EST


On Tue, Jan 29, 2008 at 10:38:52PM +0100, Jens Axboe wrote:
> Please try this.

[...]

> The latter is the problem, but since the queue lock is also held before
> doing the double_spin_lock(), we get into even more trouble. The locking
> hierarchy is fine, it's always queue lock -> io context locks, so the
> above patch should be all that is needed to fix this.
>
> My initial analysis was wrong, that's all :/

Yep, looks much better now.

Tested-by: Olof Johansson <olof@xxxxxxxxx>


-Olof
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