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    SubjectRe: 2.6.18-rc3-git3 - XFS - BUG: unable to handle kernel NULL pointer dereference at virtual address 00000078
    On Wed, Aug 16, 2006 at 12:38:10PM +0000, Paul Slootman wrote:
    > Nathan Scott <nathans@sgi.com> wrote:
    > >On Fri, Aug 11, 2006 at 12:25:03PM +0200, Jesper Juhl wrote:
    > >> I didn't capture all of the xfs_repair output, but I did get this :
    > >> ...
    > >> Phase 4 - check for duplicate blocks...
    > >> - setting up duplicate extent list...
    > >> - clear lost+found (if it exists) ...
    > >> - clearing existing "lost+found" inode
    > >> - deleting existing "lost+found" entry
    > >> - check for inodes claiming duplicate blocks...
    > >> - agno = 0
    > >> - agno = 1
    > >> - agno = 2
    > >> - agno = 3
    > >> - agno = 4
    > >> - agno = 5
    > >> - agno = 6
    > >> LEAFN node level is 1 inode 412035424 bno = 8388608
    > >
    > >Ooh. Can you describe this test case you're using? Something with
    > >a bunch of renames in it, obviously, but I'd also like to be able to
    > >reproduce locally with the exact data set (file names in particular),
    > >if at all possible.
    >
    > >From your reaction above I gather that "LEAFN node level is 1 inode ..."
    > is a bad thing?
    >
    > My filesystem (that crashes under heavy load, while rsyncing to and from
    > it) has a lot of these messages when xfs_repair is run.

    Do you have a reproducible test case? Please send a go-to-woe recipe
    so I can see the problem first hand... and preferably one that is, er,
    slightly simpler than Jesper's case.

    thanks.

    --
    Nathan
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