On Wed, May 29, 2013 at 08:56:18AM -0700, kdasu wrote: > kernel 3.3. instability with > > When writing 3 real-time and 1 regular file on disk simultaneously > (sync is blocking function). the rcu stall detection kicks in every > time when 3rd-4th attempt. Doesn't happen on my test rig running a 3.10-rc3 kernel using default mkfs/mount parameters for a rt fs on x86-64. more information about your system is needed. http://xfs.org/index.php/XFS_FAQ#Q:_What_information_should_I_include_when_reporting_a_problem.3F > XFS: Assertion failed: xfs_trans_get_block_res(tp) > 0, file: fs/xfs/xfs_bmap.c, > line: 5203 I don't see that either, but that indicates you are probably using a non-default realtime extent size configuration. That's something xfs_info output will tell us. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs