linux-kernel - Re: [CFQ/OOPS] rb_erase with April 9 next tree

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Date:	Fri, 10 Apr 2009 12:10:02 +0530
From:	Sachin Sant <sachinp@...ibm.com>
To:	Jens Axboe <jens.axboe@...cle.com>
CC:	linuxppc-dev@...abs.org, Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [CFQ/OOPS]  rb_erase with April 9 next tree

Jens Axboe wrote:
>
> Can you see if this fixes it for you?
>
> diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
> index e01b103..64de5c0 100644
> --- a/block/cfq-iosched.c
> +++ b/block/cfq-iosched.c
> @@ -1654,6 +1654,7 @@ retry:
>  		}
>
>  		RB_CLEAR_NODE(&cfqq->rb_node);
> +		RB_CLEAR_NODE(&cfqq->p_node);
>  		INIT_LIST_HEAD(&cfqq->fifo);
>
>  		atomic_set(&cfqq->ref, 0);
>   
Yes. The above patch fixed this oops. Thanks

Regards
-Sachin

-- 

---------------------------------
Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
---------------------------------

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