On Wed, 12 Jun 2013, Sage Weil wrote: > On Tue, 11 Jun 2013, Chris Mason wrote: > > Quoting Sage Weil (2013-06-11 11:43:30) > > > I'm also seeing this hang regularly with both 3.9 and 3.10-rc5. Is this > > > is a known problem? In this case there is no powercycling; just a regular > > > ceph-osd workload. > > > > Everyone here is waiting for the root node, but it isn't immediately > > clear who has the lock. log_one_extent is the most likely suspect, but > > I can't see how it would be scheduling with the root lock held. > > > > Could you please sysrq-w? > > Sorry for the slow reply; had to wait for it to reproduce again. Attached > both the original dmesg output and the blocked tasks. I'll leave the box > wedged this time in case there is any other info that can help. Still seeing this hang with the latest from linus' tree. Is there another tree I should try testing against? Thanks! sage -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
