xfs
[Top] [All Lists]

Re: xfs_efi_item slab corruption. (v3.9-10936-g51a26ae)

To: Mark Tinguely <tinguely@xxxxxxx>
Subject: Re: xfs_efi_item slab corruption. (v3.9-10936-g51a26ae)
From: Dave Jones <davej@xxxxxxxxxx>
Date: Tue, 7 May 2013 15:07:31 -0400
Cc: xfs@xxxxxxxxxxx, CAI Qian <caiqian@xxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <51895025.2010709@xxxxxxx>
References: <20130507133707.GA18301@xxxxxxxxxx> <51895025.2010709@xxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Tue, May 07, 2013 at 02:04:05PM -0500, Mark Tinguely wrote:
 > On 05/07/13 08:37, Dave Jones wrote:
 > >    172.233570] Bytes b4 ffff8800aaac4e28: 07 a2 fd ff 00 00 00 00 5a 5a 5a 
 > > 5a 5a 5a 5a 5a  ........ZZZZZZZZ
 > > [  172.233573] Object ffff8800aaac4e38: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 
 > > 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
 > > [  172.233575] Object ffff8800aaac4e48: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 
 > > 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
 > > [  172.233577] Object ffff8800aaac4e58: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 
 > > 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
 > > [  172.233579] Object ffff8800aaac4e68: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 
 > > 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
 > > [  172.233581] Object ffff8800aaac4e78: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 
 > > 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
 > > [  172.233583] Object ffff8800aaac4e88: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 
 > > 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
 > > [  172.233586] Object ffff8800aaac4e98: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 
 > > 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
 > > [  172.233588] Object ffff8800aaac4ea8: 6a 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 
 > > 6b 6b 6b 6b 6b  jkkkkkkkkkkkkkkk
 >                                            ^^
 > 
 > xfs_efi_log_item.efi_refcount being decremented on the xfs_efi_release()
 > CAI Qian had the same thing in his May 6 "3.9.0: XFS rootfs corruption" 
 > email.
 > 
 > I have not reproduced it yet.

I've hit it on two different machines today. The good news is that the
corruption never makes it onto disk. xfs_repair doesn't pick up anything.

        Dave

<Prev in Thread] Current Thread [Next in Thread>