Messages in this thread | | | Date | Fri, 20 May 2011 05:47:24 +0200 | From | Robert Richter <> | Subject | Re: sleeping while atomic warning while modprobing oprofile. |
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On 18.05.11 15:17:06, Dave Jones wrote: > I just saw this when after I did a 'modprobe oprofile' on my amd64 box.
Thanks for reporting this. This happens in init_ibs(). We are actually too strict here with disabling preemption, though we still need it. Will change that code.
-Robert
> > 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 > >
-- Advanced Micro Devices, Inc. Operating System Research Center
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