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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, May 07, 2013 at 02:24:14PM -0500, Mark Tinguely wrote:
 > On 05/07/13 14:07, Dave Jones wrote:
 > > 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
 > >
 > There was a new patch in the efi/efd code that must be misbehaving.
 > You are correct, this is not an on-disk value.
 > 
 > I now have poisoning on and I can see this doing a compile like you 
 > suggested. I will ASSERT to see who is doing the decrement after free.

I can hit this almost instantly with fsx. I'll do a bisect, though
it sounds like you already have a suspect.

	Dave

_______________________________________________
xfs mailing list
xfs@xxxxxxxxxxx
http://oss.sgi.com/mailman/listinfo/xfs




[Index of Archives]     [Linux XFS Devel]     [Linux Filesystem Development]     [Filesystem Testing]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux