Hi,
On 21/06/06, Andrew Morton <[email protected]> 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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