2.6.21-rc4-rt0 BUG: at kernel/fork.c:1033 copy_process()

[Michal Piotrowski]

Hi Ingo,

It might be lockdep related

-#ifdef CONFIG_TRACE_IRQFLAGS
+#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_LOCKDEP)

BUG: at kernel/fork.c:1033 copy_process()
[<c0105474>] dump_trace+0x78/0x21a
[<c010564b>] show_trace_log_lvl+0x35/0x54
[<c0105ddc>] show_trace+0x2c/0x2e
[<c0105ea3>] dump_stack+0x29/0x2b
[<c01234e0>] copy_process+0x1d1/0x1440
[<c01249fc>] do_fork+0xa8/0x18f
[<c010239e>] kernel_thread+0x93/0x99
[<c01393ec>] keventd_create_kthread+0x2f/0x7c
[<c01394ae>] kthread_create+0x75/0xbb
[<c011feba>] migration_call+0x5c/0x3cf
[<c04ddb54>] migration_init+0x2b/0x62
 [<c04d14c5>] init+0x56/0x361
[<c0104ffb>] kernel_thread_helper+0x7/0x10
=======================
---------------------------
| preempt count: 00000000 ]
| 0-level deep critical section nesting:
----------------------------------------

http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc4-rt0/rt-config
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc4-rt0/rt-dmesg

Regards,
Michal

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