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    SubjectRe: 2.6.17-mm1
    Hi,

    On 21/06/06, Andrew Morton <akpm@osdl.org> wrote:
    >
    > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17/2.6.17-mm1/
    >

    Firefox 2 - a new testing tool for bug hunters.

    Jun 23 11:03:48 ltg01-fedora kernel: =======================================
    Jun 23 11:03:48 ltg01-fedora kernel: [ INFO: out of order unlock detected. ]
    Jun 23 11:03:48 ltg01-fedora kernel: ---------------------------------------
    Jun 23 11:03:48 ltg01-fedora kernel: The code is fine but needs lock
    validator annotation.
    Jun 23 11:03:48 ltg01-fedora kernel: firefox-bin/25734 is trying to
    release lock (tasklist_lock) at:
    Jun 23 11:03:48 ltg01-fedora kernel: [<c017b02c>] flush_old_exec+0x12f/0xa5f
    Jun 23 11:03:48 ltg01-fedora kernel: but the next lock to release is:
    Jun 23 11:03:48 ltg01-fedora kernel: (&sighand->siglock){++..}, at:
    [<c017afab>] flush_old_exec+0xae/0xa5f
    Jun 23 11:03:48 ltg01-fedora kernel:
    Jun 23 11:03:48 ltg01-fedora kernel: other info that might help us debug this:
    Jun 23 11:03:48 ltg01-fedora kernel: 2 locks held by firefox-bin/25734:
    Jun 23 11:03:48 ltg01-fedora kernel: #0: (tasklist_lock){..??}, at:
    [<c017afa4>] flush_old_exec+0xa7/0xa5f
    Jun 23 11:03:48 ltg01-fedora kernel: #1: (&sighand->siglock){++..},
    at: [<c017afab>] flush_old_exec+0xae/0xa5f
    Jun 23 11:03:48 ltg01-fedora kernel:
    Jun 23 11:03:48 ltg01-fedora kernel: stack backtrace:
    Jun 23 11:03:48 ltg01-fedora kernel: [<c0103e89>] show_trace+0xd/0x10
    Jun 23 11:03:48 ltg01-fedora kernel: [<c0104483>] dump_stack+0x19/0x1b
    Jun 23 11:03:48 ltg01-fedora kernel: [<c0139c52>] lock_release+0x19a/0x371
    Jun 23 11:03:48 ltg01-fedora kernel: [<c02f1148>] _read_unlock+0x16/0x46
    Jun 23 11:03:48 ltg01-fedora kernel: [<c017b02c>] flush_old_exec+0x12f/0xa5f
    Jun 23 11:03:48 ltg01-fedora kernel: [<c019b698>] load_elf_binary+0x4c8/0x15f4
    Jun 23 11:03:48 ltg01-fedora kernel: [<c017a8e1>]
    search_binary_handler+0xfc/0x32b
    Jun 23 11:03:48 ltg01-fedora kernel: [<c017c533>] do_execve+0x16c/0x225
    Jun 23 11:03:48 ltg01-fedora kernel: [<c01016e1>] sys_execve+0x3a/0x8b
    Jun 23 11:03:48 ltg01-fedora kernel: [<c02f157d>] sysenter_past_esp+0x56/0x8d

    Here is a config file
    http://www.stardust.webpages.pl/files/mm/2.6.17-mm1/mm-config

    Regards,
    Michal

    --
    Michal K. K. Piotrowski
    LTG - Linux Testers Group
    (http://www.stardust.webpages.pl/ltg/wiki/)
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