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Date: Thu, 18 Oct 2007 09:32:18 -0400
From: Mark Lord <lkml@rtr.ca>
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To: Jens Axboe <jens.axboe@oracle.com>
Cc: Jeff Garzik <jeff@garzik.org>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       David Miller <davem@davemloft.net>, fujita.tomonori@lab.ntt.co.jp,
       mingo@elte.hu, linux-kernel@vger.kernel.org, alan@lxorguk.ukuu.org.uk,
       tomof@acm.org
Subject: Re: [bug] ata subsystem related crash with latest -git
References: <alpine.LFD.0.999.0710171801000.26902@woody.linux-foundation.org> <20071017.181907.63126798.davem@davemloft.net> <alpine.LFD.0.999.0710171834001.26902@woody.linux-foundation.org> <4716D6B1.8010309@rtr.ca> <alpine.LFD.0.999.0710172100420.26902@woody.linux-foundation.org> <4716DB9A.2060809@rtr.ca> <4716DE82.2050006@rtr.ca> <4716E19F.1090201@garzik.org> <20071018070538.GD5063@kernel.dk> <47175C0A.5020907@rtr.ca> <20071018132351.GG5063@kernel.dk>
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Jens Axboe wrote:
> On Thu, Oct 18 2007, Mark Lord wrote:
>> Jens Axboe wrote:
>>> On Thu, Oct 18 2007, Jeff Garzik wrote:
>>>> Mark Lord wrote:
>>>>> Okay, mine is dying with EIP at blk_rq_map_sg+0xcb/0x160.
>>>>> Screen photo is at http://rtr.ca/recent/2.6.23-git12-crash.jpg,
>>>>> but the top was cut off (isn't there a new config option or patch
>>>>> to do double-columns or scrollback or something ???.
>>>> Is this a sata_mv box?  If so, could you try this patch?
>>> If anything, that shrinks the size of the resulting request. Did this
>>> patch make any difference to you?
>> Not a sata_mv box, so no point here.
> 
> Can you try the big patch I just posted?

I'll hunt for it and try it, but your earlier little patch already works fine.

Cheers