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    SubjectRe: 2.6.0-test6-mm2
    On Thu, 02 Oct 2003 02:23:41 -0700
    Andrew Morton <akpm@osdl.org> wrote:

    >
    > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test6/2.6.0-test6-mm2/
    >
    > . A large series of VFS patches from Al Viro which replace usage of
    > file->f_dentry->d_inode->i_mapping with the new file->f_mapping.
    >
    > This is mainly so we can get disk hot removal right.
    >
    > . More work on the O_DIRECT-vs-buffered data coherency problem. It's
    > still not quite there.
    >

    -mm1 had a lot of events/0 zombies, and vanilla 2.6.0-test6 does not. I will test -mm2 and let you know how it goes. Alt-SysRq shows this:

    events/0 Z 77361907 1834 3 1836 1831 (L-TLB)
    c46abfc4 00000046 cf901940 77361907 00000058 c5dfa080 00000011 77361907
    00000058 cf901940 cf901960 00011d32 77361907 00000058 cffeeaf8 00000000
    c5dfa080 00000000 c0124b60 c5dfa080 00000000 00000000 00000000 c01322f0
    Call Trace:
    [do_exit+560/1040] do_exit+0x230/0x410
    [<c0124b60>] do_exit+0x230/0x410
    [wait_for_helper+0/224] wait_for_helper+0x0/0xe0
    [<c01322f0>] wait_for_helper+0x0/0xe0
    [kernel_thread_helper+11/12] kernel_thread_helper+0xb/0xc
    [<c010ae5f>] kernel_thread_helper+0xb/0xc

    events/0 Z 77F25CBA 1836 3 2189 1834 (L-TLB)
    c46bffc4 00000046 cf901940 77f25cba 00000058 c4691940 00000011 77f25cba
    00000058 cf901940 cf901960 000108dc 77f25cba 00000058 cffeeaf8 00000000
    c4691940 00000000 c0124b60 c4691940 00000000 00000000 00000000 c01322f0
    Call Trace:
    [do_exit+560/1040] do_exit+0x230/0x410
    [<c0124b60>] do_exit+0x230/0x410
    [wait_for_helper+0/224] wait_for_helper+0x0/0xe0
    [<c01322f0>] wait_for_helper+0x0/0xe0
    [kernel_thread_helper+11/12] kernel_thread_helper+0xb/0xc
    [<c010ae5f>] kernel_thread_helper+0xb/0xc

    events/0 Z CF386CA1 2189 3 2191 1836 (L-TLB)
    c172ffc4 00000046 c5dfa6b0 cf386ca1 000006f9 c172cce0 00000011 cf386ca1
    000006f9 c5dfa6b0 c5dfa6d0 0001402b cf386ca1 000006f9 cffeeaf8 00000000
    c172cce0 00000000 c0124b60 c172cce0 00000000 00000000 00000000 c01322f0
    Call Trace:
    [do_exit+560/1040] do_exit+0x230/0x410
    [<c0124b60>] do_exit+0x230/0x410
    [wait_for_helper+0/224] wait_for_helper+0x0/0xe0
    [<c01322f0>] wait_for_helper+0x0/0xe0
    [kernel_thread_helper+11/12] kernel_thread_helper+0xb/0xc
    [<c010ae5f>] kernel_thread_helper+0xb/0xc
    [unhandled content-type:application/pgp-signature]
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