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From: Thomas Gleixner <tglx@linutronix.de>
To: Robert Liu <robertliu@wiscore.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: do R/W tests on JFFS2 and suffer  segmentation fault
Date: Tue, 21 Feb 2006 10:25:14 +0100	[thread overview]
Message-ID: <1140513914.2480.861.camel@localhost.localdomain> (raw)
In-Reply-To: <43FA6A26.8000005@wiscore.com>

On Tue, 2006-02-21 at 09:17 +0800, Robert Liu wrote:
> I am doing some read/write tests on JFFS2 partition, and find there may be
> a bug in jffs2_remove_from_hash_table().

Which kernel version ? Any patches related to MTD/JFFS2 applied ?

> Tests sometimes failed with segmentation fault.
> I set the JFFS2 debug level to 1, and add several debug infomation in 
> jffs2_remove_from_hash_table().
> It seems jffs2 try to remove an entry with prev is 0x200200 and next is 
> 0x100100.

Thats the list_head poison code (see include/linux/list.h
LIST_POISON1/2). The entry was removed before.

	tglx

  reply	other threads:[~2006-02-21  9:24 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-21  1:17 do R/W tests on JFFS2 and suffer segmentation fault Robert Liu
2006-02-21  9:25 ` Thomas Gleixner [this message]
2006-02-21  9:54   ` Robert Liu
2006-02-24  4:47     ` Robert Liu

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