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Date:	Fri, 24 Aug 2012 19:29:21 -0400
From:	"Justin Piszcz" <>
To:	"'Theodore Ts'o'" <>
Cc:	<>, <>,
	"'al piszcz'" <>
Subject: RE: 3.5.1 kernel: Oops + stracktrace + ext4 kernel errors!

-----Original Message-----
From: Theodore Ts'o [] 
Sent: Friday, August 24, 2012 6:39 PM
To: Justin Piszcz
Cc:;; al piszcz
Subject: Re: 3.5.1 kernel: Oops + stracktrace + ext4 kernel errors!

On Fri, Aug 24, 2012 at 11:31:44AM -0400, Justin Piszcz wrote:
> Hello,
> Thoughts?
> Saw this when trying to copy files to array with Samba and doing file
> operations:
> [28939.505792] ------------[ cut here ]------------
> [29367.345433] BUG: unable to handle kernel NULL pointer dereference
> at 0000000000000028
> [29367.345455] IP: [<ffffffff8116539c>] ext4_ext_remove_space+0x89c/0xc90

Fixed by commit 89a4e48f84 in upstream.  It is scheduled for inclusion
in the a stable kernel series; I believe it should be in 3.5.3.


					- Ted


Thanks.. if/when I come across another box I can test with I will ensure
that patch (89a4e48f84 ) gets applied.  For PROD hosts I need stability >


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