linux-kernel - Re: Bug_ON with patch: bio: modify __bio_add_page() to accept pages that don't start a new segment

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Date:	Tue, 15 Jul 2014 14:01:29 +0200
From:	Maurizio Lombardi <mlombard@...hat.com>
To:	Mike Qiu <qiudayu@...ux.vnet.ibm.com>, linux-kernel@...r.kernel.org
CC:	ming.lei@...onical.com, dongsu.park@...fitbricks.com,
	jet.chen@...el.com, viro@...iv.linux.org.uk, hch@....de,
	kmo@...erainc.com, axboe@...nel.dk, akpm@...ux-foundation.org,
	axboe@...com
Subject: Re: Bug_ON with patch: bio: modify __bio_add_page() to accept pages
 that don't start a new segment



On 07/15/2014 01:38 PM, Maurizio Lombardi wrote:
> 
> 
> On 07/15/2014 10:14 AM, Mike Qiu wrote:
>> My Power7 box boot fail with commit:
>>
>> 254c4407cb84a6dec90336054615b0f0e996bb7c
>> bio: modify __bio_add_page() to accept pages that don't start a new segment
>>
>> Just revert it will works for me.
> 
> This looks strange to me because, even after reverting my patch, the kernel still panics
> with a different call trace:


Never mind, this is another bug in linux-next that is hit by cryptsetup.
Sorry for the noise.
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