linux-kernel - Re: btrfs oops on dodgy SSD

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Message-ID: <4CAD24C3.9030704@cn.fujitsu.com>
Date:	Thu, 07 Oct 2010 09:39:15 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Chris Mason <chris.mason@...cle.com>,
	Dave Airlie <airlied@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: btrfs oops on dodgy SSD

Chris Mason wrote:
> On Wed, Oct 06, 2010 at 11:07:10AM +1000, Dave Airlie wrote:
>> I have an SSD which I use for scratch builds and stuff, it seems to be
>> broken or just dislike my NV sata controller.
>>
>> Was just running Linus tree and got the attached oops when doing a
>> kernel build on it this morning.
>>
>> oops didn't come out in logs, though there were some disk reset and a
>> hung task detect.
>>
>> Might help btrfs robustness maybe if we could avoid the panic ;-)
> 
> Ouch, the oops was in the code printing a corrupted btree block.  I
> should be able to easily trigger this at home...
> 

This reminded me that weeks ago I found a bug in tree-printing code,
though unrelated to this oops.

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