linux-kernel - 2.6.21-rc4-rt0 BUG: at kernel/fork.c:1033 copy

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Message-ID: <6bffcb0e0703211338i2aa6f933ube53c6604c78e285@mail.gmail.com>
Date:	Wed, 21 Mar 2007 21:38:48 +0100
From:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: 2.6.21-rc4-rt0 BUG: at kernel/fork.c:1033 copy_process()

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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