linux-kernel - Re: kernel BUG at drivers/block/cciss.c:1260! (with recent linux-2.6 tree)

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Message-ID: <20080129213526.GE15220@kernel.dk>
Date:	Tue, 29 Jan 2008 22:35:26 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	"Luck, Tony" <tony.luck@...el.com>
Cc:	Andrew Vasquez <andrew.vasquez@...gic.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	mike.miller@...com, k-ueda@...jp.nec.com, j-nomura@...jp.nec.com
Subject: Re: kernel BUG at drivers/block/cciss.c:1260! (with recent  linux-2.6  tree)

On Tue, Jan 29 2008, Luck, Tony wrote:
> >> Ah crap, I see the problem, nioc is most often equal to rioc. Dang.
> >> Please try this bandaid, will push a real fix now.
> 
> Patches arriving faster than I can test :-) ... The bandaid appears to
> be working (no hang yet).

OK good!

> > This is way cleaner.
> 
> Will try this next.

Should work even better since it avoids a lock and copy, but please do
test if you have the time.

-- 
Jens Axboe

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