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    SubjectRe: kernel BUG at fs/btrfs/delayed-inode.c:1466!
    From
    2012/3/9 Jacek Luczak <difrost.kernel@gmail.com>:
    > 2012/3/9 David Sterba <dave@jikos.cz>:
    >> On Fri, Mar 09, 2012 at 12:08:12PM +0100, Jacek Luczak wrote:
    >>> For this one I've created also a report [1].
    >>> >
    >>> > so there is probably other problem in reservations and it just blew up during
    >>> > the unlink call.
    >>>
    >>> Could be as this came up after a longer time of throwing above WARN_ON.
    >>>
    >>> I'm now cloning the Linus tree. Lets see if both will pop up on there.
    >>
    >> The 3.3-rc6 should help in one case, with
    >>
    >> http://thread.gmane.org/gmane.comp.file-systems.btrfs/15268
    >>
    >> but I was able to reproduce the WARN_ON even with this patch, didn't get
    >> to debugging it again yet.
    >
    > Those two issues go inline. After a longer while of WARN_ON the BUG_ON
    > hit again.

    One more observation. Host is running builds from CI system. After
    BUG_ON pop up all builds take 50% more time to complete. Also I see
    that current load average stall at value of 7 even if host is
    completely idle.

    -Jacek


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