> On Fri, Mar 27, 2009 at 09:16:59AM -0500, Eric Sandeen wrote: > > > > although I wonder why we don't trip over this in spinlock debugging > > (seems like it'd lead to a double unlock at times) I wonder if we can > > tie this to any other bugs we've seen. > > I was wondering if it could be tied to the "rm -rf" soft lockup hang.... > > I wonder if vendor kernels (specifically, Ubuntu in this case) disable > spinlock debugging, which is why we wouldn't have seen the double > unlock warning. (Or maybe it happened earlier in the log, and users > didn't notice it). Don't know about Ubuntu but SUSE has definitely turned off spinlock debugging (I guess because it may cost some performance) and most other debug stuff. Honza -- Jan Kara <jack@xxxxxxx> SuSE CR Labs -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
