From: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
To: kernel list <linux-kernel@vger.kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>,
stable@kernel.org, greg@kroah.com,
Andy Whitcroft <apw@shadowen.org>,
Balbir Singh <balbir@linux.vnet.ibm.com>
Subject: [BUG] 2.6.24.4 kernel warning at kernel/lockdep.c:2662 check_flags()
Date: Mon, 31 Mar 2008 23:13:39 +0530 [thread overview]
Message-ID: <47F122CB.4000702@linux.vnet.ibm.com> (raw)
Hi,
Kernel warning is seen while booting up 2.6.24.4 kernel on x86_64 box
with the CONFIG_DEBUG_LOCKDEP enabled.
WARNING: at kernel/lockdep.c:2662 check_flags()
Pid: 0, comm: swapper Not tainted 2.6.24.4 #1
Call Trace:
[<ffffffff8025b02a>] check_flags+0xc6/0x19e
[<ffffffff8025eb82>] lock_acquire+0x53/0xb2
[<ffffffff804b51ac>] __atomic_notifier_call_chain+0x50/0xaf
[<ffffffff8020af14>] mwait_idle+0x0/0x50
[<ffffffff804b521a>] atomic_notifier_call_chain+0xf/0x11
[<ffffffff8020ab7e>] __exit_idle+0x27/0x29
[<ffffffff8020ae90>] cpu_idle+0xa8/0xe2
[<ffffffff80220679>] start_secondary+0x3c6/0x3d5
possible reason: unannotated irqs-on.
irq event stamp: 720
hardirqs last enabled at (719): [<ffffffff804b1f6a>] trace_hardirqs_on_thunk+0x35/0x3a
hardirqs last disabled at (720): [<ffffffff8020ae84>] cpu_idle+0x9c/0xe2
softirqs last enabled at (718): [<ffffffff80241b40>] __do_softirq+0xd9/0xe2
softirqs last disabled at (713): [<ffffffff8020d49c>] call_softirq+0x1c/0x28
--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
reply other threads:[~2008-03-31 17:43 UTC|newest]
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