linux-kernel - Re: [Bug #32982] Kernel locks up a few minutes after boot

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Message-ID: <4DADC9B3.6030208@fusionio.com>
Date:	Tue, 19 Apr 2011 19:43:15 +0200
From:	Jens Axboe <jaxboe@...ionio.com>
To:	Bart Van Assche <bvanassche@....org>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Maciej Rutecki <maciej.rutecki@...il.com>,
	Florian Mickler <florian@...kler.org>,
	Neil Brown <neilb@...e.de>, David Dillow <dave@...dillows.org>
Subject: Re: [Bug #32982] Kernel locks up a few minutes after boot

On 2011-04-19 18:13, Bart Van Assche wrote:
> The same test with an initiator running 2.6.39-rc4 +
> git://git.kernel.dk/linux-2.6-block.git for-linus + the above patch
> yields about 155.000 IOPS on my test setup, or the same performance as
> with 2.6.38.3. I'm running the above patch through an I/O stress test
> now.

OK, so parity, that's good. With the above patch, I can take a single
device from ~400K IOPS on 2.6.38 to ~440K IOPS on 2.6.39-rc4+patches.

-- 
Jens Axboe

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