linux-kernel - sleeping while atomic warning while modprobing oprofile.

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Message-ID: <20110518191706.GA20475@redhat.com>
Date:	Wed, 18 May 2011 15:17:06 -0400
From:	Dave Jones <davej@...hat.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
Cc:	Robert Richter <robert.richter@....com>
Subject: sleeping while atomic warning while modprobing oprofile.

I just saw this when after I did a 'modprobe oprofile' on my amd64 box.

	Dave

BUG: sleeping function called from invalid context at mm/slub.c:824
in_atomic(): 1, irqs_disabled(): 0, pid: 32357, name: modprobe
INFO: lockdep is turned off.
Pid: 32357, comm: modprobe Not tainted 2.6.39-rc7+ #14
Call Trace:
 [<ffffffff8104bdc8>] __might_sleep+0x112/0x117
 [<ffffffff81129693>] kmem_cache_alloc_trace+0x4b/0xe7
 [<ffffffff81278f14>] kzalloc.constprop.0+0x29/0x2b
 [<ffffffff81278f4c>] pci_get_subsys+0x36/0x78
 [<ffffffff81022689>] ? setup_APIC_eilvt+0xfb/0x139
 [<ffffffff81278fa4>] pci_get_device+0x16/0x18
 [<ffffffffa06c8b5d>] op_amd_init+0xd3/0x211 [oprofile]
 [<ffffffffa064d000>] ? 0xffffffffa064cfff
 [<ffffffffa064d298>] op_nmi_init+0x21e/0x26a [oprofile]
 [<ffffffffa064d062>] oprofile_arch_init+0xe/0x26 [oprofile]
 [<ffffffffa064d010>] oprofile_init+0x10/0x42 [oprofile]
 [<ffffffff81002099>] do_one_initcall+0x7f/0x13a
 [<ffffffff81096524>] sys_init_module+0x132/0x281
 [<ffffffff814cc682>] system_call_fastpath+0x16/0x1b

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