Re: [PATCHSET] block: per-queue policy activation, take#2

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Hello, Jens.

On Fri, Apr 20, 2012 at 02:02:05PM +0200, Jens Axboe wrote:
> Tejun, everything merged in cleanly. A boot test didn't not go so well,
> I'm afraid. It complains about stuck RCU. Even with extra RCU
> debugging/info turned on, it doesn't give my any extra info.
> 
> Config is attached. I can try and debug this on Monday, for now I've
> pulled it out of for-next again.

Hmmm... it works fine with the same config here (qemu w/ 4 cpus
configured).  Doesn't stuck RCU usually come from unbalanced RCU
lock/unlocking?  That should trigger context or RCU warnings before
anything else, weird.  Anyways, it would be great if you can provide
more info on how to reproduce the problem.

Thanks.

-- 
tejun
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