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From: Steve Wise <swise@opengridcomputing.com>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: balbir@linux.vnet.ibm.com,
	Andrew Morton <akpm@linux-foundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Wolfram Strepp <wstrepp@gmx.de>
Subject: Re: [BUG] rbtree bug with mmotm 2009-04-14-17-24
Date: Thu, 23 Apr 2009 16:24:37 -0500	[thread overview]
Message-ID: <49F0DC95.8010807@opengridcomputing.com> (raw)
In-Reply-To: <20090423104055.GU4593@kernel.dk>

Jens Axboe wrote:
> On Wed, Apr 22 2009, Steve Wise wrote:
>   
>> Jens Axboe wrote:
>>
>>  
>>
>>     
>>>> Still crashes with this variant:
>>>>     
>>>>         
>>> OK, so please try and revert a36e71f996e25d6213f57951f7ae1874086ec57e
>>> and see if that works?
>>>
>>> Or, better yet, please try and revert
>>> 55a63998b8967615a15e2211ba0ff3a84a565824 first. If that doesn't work,
>>> try the above revert.
>>>
>>>   
>>>       
>> Reverting 55a63998b8967615a15e2211ba0ff3a84a565824 did the trick.
>>     
>
> Steve, can you (and Balbir) try with pulling this into 2.6.30-rc3:
>
>         git://git.kernel.dk/linux-2.6-block.git for-linus
>
> It has two fixes for possible rbtree misuse in cfq. If it still crashes
> without reverting 55a63998b8967615a15e2211ba0ff3a84a565824 with that,
> then we also need to look further into the rbtree issue.
>   

rc3 + your commits in the above branch seem to resolve the issue as well. 


Steve.



  reply	other threads:[~2009-04-23 21:24 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-21 18:42 [BUG] rbtree bug with mmotm 2009-04-14-17-24 Balbir Singh
2009-04-21 22:03 ` Steve Wise
2009-04-22 13:17   ` Jens Axboe
2009-04-22 14:24     ` Steve Wise
2009-04-22 14:27       ` Steve Wise
2009-04-22 14:39         ` Steve Wise
2009-04-22 16:30           ` Jens Axboe
2009-04-22 16:37             ` Jens Axboe
2009-04-22 18:17               ` Steve Wise
2009-04-22 18:34                 ` Jens Axboe
2009-04-22 18:59                   ` Steve Wise
2009-04-22 19:22                     ` Jens Axboe
2009-04-22 20:17                       ` Steve Wise
2009-04-22 20:34                         ` Steve Wise
2009-04-23  5:34                           ` Jens Axboe
2009-04-23 10:40                         ` Jens Axboe
2009-04-23 21:24                           ` Steve Wise [this message]
2009-04-24  5:28                           ` Balbir Singh
2009-04-22 13:16 ` Jens Axboe

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