From: Andrew Morton <akpm@linux-foundation.org>
To: David Chinner <dgc@sgi.com>
Cc: lkml <linux-kernel@vger.kernel.org>, linux-ia64@vger.kernel.org
Subject: Re: BUG: sleeping function called from invalid context at kernel/fork.c:385
Date: Tue, 22 May 2007 23:43:14 -0700 [thread overview]
Message-ID: <20070522234314.54081817.akpm@linux-foundation.org> (raw)
In-Reply-To: <20070523063154.GR85884050@sgi.com>
On Wed, 23 May 2007 16:31:54 +1000 David Chinner <dgc@sgi.com> wrote:
> Saw this when running strace -f on a script on 2.6.21 on ia64:
>
> BUG: sleeping function called from invalid context at kernel/fork.c:385
> in_atomic():1, irqs_disabled():0
>
> Call Trace:
> [<a000000100014700>] show_stack+0x80/0xa0
> sp=e00000306e6f7a00 bsp=e00000306e6f0ef8
> [<a000000100014750>] dump_stack+0x30/0x60
> sp=e00000306e6f7bd0 bsp=e00000306e6f0ee0
> [<a0000001000acaf0>] __might_sleep+0x1f0/0x260
> sp=e00000306e6f7bd0 bsp=e00000306e6f0eb8
> [<a0000001000bd2e0>] mmput+0x20/0x220
> sp=e00000306e6f7bd0 bsp=e00000306e6f0e90
> [<a0000001000321e0>] sys_ptrace+0x460/0x1600
> sp=e00000306e6f7bd0 bsp=e00000306e6f0d80
> [<a00000010000bc40>] ia64_ret_from_syscall+0x0/0x20
> sp=e00000306e6f7e30 bsp=e00000306e6f0d80
> [<a000000000010620>] __kernel_syscall_via_break+0x0/0x20
> sp=e00000306e6f8000 bsp=e00000306e6f0d80
> BUG: sleeping function called from invalid context at kernel/fork.c:385
> in_atomic():1, irqs_disabled():0
>
> Call Trace:
> [<a000000100014700>] show_stack+0x80/0xa0
> sp=e00000306e6f7a00 bsp=e00000306e6f0ef8
> [<a000000100014750>] dump_stack+0x30/0x60
> sp=e00000306e6f7bd0 bsp=e00000306e6f0ee0
> [<a0000001000acaf0>] __might_sleep+0x1f0/0x260
> sp=e00000306e6f7bd0 bsp=e00000306e6f0eb8
> [<a0000001000bd2e0>] mmput+0x20/0x220
> sp=e00000306e6f7bd0 bsp=e00000306e6f0e90
> [<a0000001000321e0>] sys_ptrace+0x460/0x1600
> sp=e00000306e6f7bd0 bsp=e00000306e6f0d80
> [<a00000010000bc40>] ia64_ret_from_syscall+0x0/0x20
> sp=e00000306e6f7e30 bsp=e00000306e6f0d80
> [<a000000000010620>] __kernel_syscall_via_break+0x0/0x20
> sp=e00000306e6f8000 bsp=e00000306e6f0d80
>
> I could reproduce it via 'strace -f sleep 1'
>
I'd say this is specific to ia64. Someone would have spotted it on
x86 by now.
next prev parent reply other threads:[~2007-05-23 6:43 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-23 6:31 BUG: sleeping function called from invalid context at kernel/fork.c:385 David Chinner
2007-05-23 6:43 ` Andrew Morton [this message]
2007-05-23 17:44 ` Luck, Tony
2007-05-30 3:30 ` David Chinner
2007-05-30 4:44 ` David Chinner
2007-05-30 20:11 ` Luck, Tony
2007-05-30 22:39 ` Christoph Lameter
2007-05-30 23:19 ` Luck, Tony
2007-05-30 23:31 ` Christoph Lameter
2007-05-30 23:34 ` Randy Dunlap
2007-05-30 23:53 ` Christoph Lameter
2007-05-30 23:55 ` Randy Dunlap
2007-05-31 0:09 ` Christoph Lameter
2007-05-31 2:37 ` Luck, Tony
2007-05-31 3:19 ` Christoph Lameter
2007-05-31 15:20 ` Prarit Bhargava
2007-05-31 19:54 ` Sam Ravnborg
2007-05-31 20:04 ` Sam Ravnborg
2007-05-31 20:08 ` [PATCH] net/hp100: fix section mismatch warning Sam Ravnborg
2007-05-31 20:17 ` [PATCH] kvm: fix section mismatch warning in kvm-intel.o Sam Ravnborg
2007-05-31 20:24 ` [PATCH] acpi: fix section mismatch warning in asus_acpi.o Sam Ravnborg
2007-05-31 20:29 ` [PATCH] acpi: fix section mismatch warning in asus + toshiba Sam Ravnborg
2007-05-31 20:46 ` [PATCH] isdn: fix section mismatch warnings Sam Ravnborg
2007-05-31 20:51 ` [PATCH] microcode: fix section mismatch warning Sam Ravnborg
2007-05-31 20:42 ` BUG: sleeping function called from invalid context at kernel/fork.c:385 Christoph Lameter
2007-06-01 3:18 ` Luck, Tony
2007-06-01 3:31 ` Prarit Bhargava
2007-06-01 4:05 ` Christoph Lameter
2007-06-01 4:17 ` Sam Ravnborg
2007-06-01 4:45 ` Christoph Lameter
2007-06-01 6:42 ` Sam Ravnborg
2007-06-01 8:00 ` Luck, Tony
2007-06-01 10:30 ` Prarit Bhargava
2007-06-01 10:37 ` Luck, Tony
2007-06-05 14:55 ` linux-ia64 build warning messages Russ Anderson
2007-06-07 5:00 ` Peter Chubb
2007-05-31 6:12 ` BUG: sleeping function called from invalid context at kernel/fork.c:385 Randy Dunlap
2007-05-31 4:43 ` Sam Ravnborg
2007-05-31 0:53 ` David Chinner
2007-06-04 5:14 ` Peter Chubb
[not found] <f1318b470705301650y5ed9fdbn12ad0ebe30233336@mail.gmail.com>
2007-05-30 23:56 ` Yu, Fenghua
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