Messages in this thread | | | Subject | Re: mmotm 2010-11-09 - lockdep splat in ext4/quota code | From | Valdis.Kletnieks@vt ... | Date | Thu, 25 Nov 2010 00:35:50 -0500 |
| |
On Sat, 13 Nov 2010 00:33:43 +0100, Jan Kara said:
> > Still seeing this just after quotas get turned on ext4. First seen in > > 2.6.36-mmotm1022, but problem has apparently been there since > > 2.6.36-rc5-mmotm0922 (oldest kernel I have lying around). > Thanks for the report. In fact, it is a false positive caused by the fact > that EXT4(inode)->i_data_sem for quota file inode would need a special > locking class (or subclass) but does not have one. I'll have a look into > implementing that sometime next week hopefully.
> > [ 48.967833] ======================================================= > > [ 48.968162] [ INFO: possible circular locking dependency detected ] > > [ 48.968411] 2.6.37-rc1-mmotm1109 #1
I haven't spotted the commit that fixed it, but I'm assuming it's in there now, as I am not seeing it on 2.6.37-rc3-mmotm1123, thanks. [unhandled content-type:application/pgp-signature] | |