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SubjectRe: XFS: Assertion failed: xfs_dir2_sf_lookup(args) == ENOENT, file: fs/xfs/xfs_dir2_sf.c, line: 358
On Mon, Jul 15, 2013 at 03:58:00PM -0400, Dave Jones wrote:
> On Sat, Jul 13, 2013 at 12:00:30PM +1000, Dave Chinner wrote:
>
> > > [ 97.162665] XFS: Assertion failed: xfs_dir2_sf_lookup(args) == ENOENT, file: fs/xfs/xfs_dir2_sf.c, line: 358
> > ....
> >
> > So, it's not clear what has caused this yet. Is it reproducable?
>
> Just hit it again on the same machine.
>
> > would be good to get a trace of lookup vs addname events from XFS,
> > too (i.e. all the xfs_dir* and xfs_da* events) so we can see if the
> > correct lookups were done prior to the failing addname operation...
>
> <- xfs tracing noob. Got a recipe I can cut-n-paste ?
> Or a patch if that's necessary..

Just use your usual method of pulling tracepoints out of the kernel,
be it with perf or (my preferred method) trace-cmd:

# trace-cmd record -e xfs_dir\* -e xfs_da\* <command that dies>
....
# trace-cmd report > trace.report.out

The trace.report.out file is what I'd like to see. The report file
could be large, so compressing it might be an idea...

Cheers,

Dave.
--
Dave Chinner
david@fromorbit.com


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