On 05/07/13 14:31, Dave Jones wrote:
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
If you want to try kmem debug of Linux 3.8 that would help. --Mark. _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
