Messages in this thread | | | Date | Mon, 10 Mar 2008 09:18:58 +1100 | From | David Chinner <> | Subject | Re: assfail during unmount xfs 2.6.24.3 [from 2.6.24.y git] |
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On Sat, Mar 08, 2008 at 03:55:08PM -0500, Chris Knadle wrote: > On Friday 07 March 2008, David Chinner wrote: > > On Thu, Mar 06, 2008 at 11:29:07PM -0500, Chris Knadle wrote: > > > During the final unmount before reboot there was an assertion failure > > > from XFS > ... > > > When replying please CC me, as I am not currently subscribed to the list. > ... > > > Assertion failed: atomic_read(&mp->m_active_trans) == 0, file: > > > fs/xfs/xfs_vfsops.c, line: 708 > > Thank you for taking the time to look and reply to this. > > > Known problem. Race in the VFS w.r.t. read-only remounts: > > > > http://marc.info/?l=linux-kernel&m=120106649923499&w=2 > > At the bottom of the above message there's a patch which is not currently > merged in either the linux-2.6.24.y.git or linux-2.6.git trees. That's > perhaps as it should be, but I would like to know if it's worth trying > merging the patch locally as an attempted workaround until such time as > 2.6.25 is released and stable.
Sure, the patch is harmless - I've had it running in my local tree for quite some time now.
> > > The fix for the problem lies outside XFS: > > > > http://marc.info/?l=linux-kernel&m=120109304227035&w=2 > > If I understand the above correctly, it sounds like the per-vfsmount is > going to be a new feature committed to 2.6.25, but probably not backported to > prior kernel trees.
Right.
> If this feature was was added at 2.6.23.9 then if I > understand corectly it's only an issue between that version and 2.6.25; is > that correct?
Only if the per-vfsmount writer counts got merged in 2.6.25-rcX. I'm not sure that they did. Christoph?
Cheers,
Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group
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