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    SubjectRe: Kernel 2.6.11-rc1/2 goes Postal on LTP
    From
    Date
    > Similar for me, easy to reproduce (3 times today).
    > Here's a kernel messages log, with 32 processes killed,
    > mostly hotplug, but also bash (2x), runltp, & some daemons.
    >
    > I could not login and do anything else, but I could/did
    > SysRq-T, P, M, S, U, B to reboot. These are also in the log.
    >
    > log:
    > http://developer.osdl.org/rddunlap/oom/oom_kill.txt
    >
    > config:
    > http://developer.osdl.org/rddunlap/oom/config-2611rc2
    >
    > on P4-UP, 1 GB RAM.
    >

    I saw this aswell. Appears to be the pipe leak cause it doesn't go nuts
    with the patch at the bottom from Linus.


    >
    > Would indicate that the new pipe code is leaking.

    Duh. It's the pipe merging.

    Linus

    ----
    --- 1.40/fs/pipe.c 2005-01-15 12:01:16 -08:00
    +++ edited/fs/pipe.c 2005-01-24 14:35:09 -08:00
    @@ -630,13 +630,13 @@
    struct pipe_inode_info *info = inode->i_pipe;

    inode->i_pipe = NULL;
    - if (info->tmp_page)
    - __free_page(info->tmp_page);
    for (i = 0; i < PIPE_BUFFERS; i++) {
    struct pipe_buffer *buf = info->bufs + i;
    if (buf->ops)
    buf->ops->release(info, buf);
    }
    + if (info->tmp_page)
    + __free_page(info->tmp_page);
    kfree(info);
    }


    -
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