WARNING: at kernel/fork.c:940 copy_process+0x1a0/0x105e()

From: Borislav Petkov
Date: Thu Oct 16 2008 - 02:20:01 EST


This is 2.6.27-4432-g459c1ca with pata tree on top of it but I don't think it
causes the following:

..

[ 0.259161] NET: Registered protocol family 1
[ 0.259898] Machine check exception polling timer started.
[ 0.261976] ------------[ cut here ]------------
[ 0.262040] WARNING: at kernel/fork.c:940 copy_process+0x1a0/0x105e()
[ 0.262091] Modules linked in:
[ 0.262172] Pid: 11, comm: khelper Not tainted 2.6.27-4432-g459c1ca-pata #2
[ 0.262225] Call Trace:
[ 0.262276] [<c03009eb>] ? printk+0xf/0x14
[ 0.262326] [<c0122c18>] warn_on_slowpath+0x41/0x65
[ 0.262378] [<c013007b>] ? wait_for_helper+0x35/0x68
[ 0.262431] [<c0153601>] ? get_page_from_freelist+0x360/0x409
[ 0.262483] [<c015360a>] ? get_page_from_freelist+0x369/0x409
[ 0.262537] [<c013de7c>] ? mark_held_locks+0x53/0x6a
[ 0.262588] [<c013e01f>] ? trace_hardirqs_on+0xb/0xd
[ 0.262639] [<c013c827>] ? lockdep_init_map+0x74/0x3ae
[ 0.262690] [<c013e01f>] ? trace_hardirqs_on+0xb/0xd
[ 0.262744] [<c01ec91f>] ? __spin_lock_init+0x24/0x49
[ 0.262795] [<c01215e0>] copy_process+0x1a0/0x105e
[ 0.262846] [<c012255f>] do_fork+0xc1/0x1ff
[ 0.262896] [<c01017d0>] kernel_thread+0x75/0x7d
[ 0.262948] [<c012fe15>] ? ____call_usermodehelper+0x0/0x109
[ 0.263012] [<c012fe15>] ? ____call_usermodehelper+0x0/0x109
[ 0.263065] [<c0103b6c>] ? kernel_thread_helper+0x0/0x10
[ 0.263758] [<c012fdfb>] __call_usermodehelper+0x33/0x4d
[ 0.263809] [<c01302a4>] run_workqueue+0xd7/0x1b2
[ 0.263860] [<c0130287>] ? run_workqueue+0xba/0x1b2
[ 0.263912] [<c013e01f>] ? trace_hardirqs_on+0xb/0xd
[ 0.263968] [<c012fdc8>] ? __call_usermodehelper+0x0/0x4d
[ 0.264031] [<c0130436>] worker_thread+0xb7/0xc3
[ 0.264083] [<c013345b>] ? autoremove_wake_function+0x0/0x33
[ 0.264135] [<c013037f>] ? worker_thread+0x0/0xc3
[ 0.264185] [<c01331e1>] kthread+0x3b/0x61
[ 0.264234] [<c01331a6>] ? kthread+0x0/0x61
[ 0.264284] [<c0103b73>] kernel_thread_helper+0x7/0x10
[ 0.264342] ---[ end trace a7919e7f17c0a725 ]---
[ 0.271019] msgmni has been set to 999
[ 0.271559] io scheduler noop registered

..

--
Regards/Gruss,
Boris.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/