On Wed, Sep 09, 2015 at 07:44:51AM -0400, Brian Foster wrote: > On Tue, Sep 08, 2015 at 11:54:07PM -0700, Austin Schuh wrote: > > I'm running xfstests and got the following BUG with lockdep enabled. > > I'm running the 4.1.6-rt5 kernel from TI's tree on a TI ARM chip. > > > > Any ideas on what could be causing it, or if it is a real problem? > > > > I see some patches in Dave's latest 4.3 pull request that discuss > > lockdep. Are there any ones there that are worth backporting to my > > 4.1.6 kernel? > > > > I suspect Dave's recent rework of the lockdep namespace bits is what you > want: > > 0952c818 xfs: clean up inode lockdep annotations Yes, that works around the issue that causes this: > > [ 4357.394974] BUG: looking up invalid subclass: 8 i.e. that we have about 15 different subclass annotations for different inode locking situations we need to shoe horn into 8 subclasses... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html