Re: kernel OOPS for XFS in xfs_iget_core (using NFS+SMP+MD)

[Gregory Brauer <greg@xxxxxxxxxxxxx>]

Jakob Oestergaard wrote:
> You want a few million files on the FS in order to confuse the server
> sufficiently for it to screw up severely.

Here we reproduced the OOPS with an fresh and empty XFS volume using
the nfs_fsstress.sh script.

> And don't run as root - common problems are also that files get wrong
> ownership/modes (a file created by one unprivileged user shows up as
> belonging to another unprivileged user - files can show up with modes
> d---------)

Our nfs_fsstress.sh tests were running as root and writing only
root-owned files (with no_root_squash, of course) and reproduced
the OOPS twice.  We haven't seen the privileges problem yet.

Greg