Re: WARNING: at kernel/lockdep.c:2323 trace_hardirqs_on_caller+0xb9/0x16c()

From: Yong Zhang
Date: Wed Feb 16 2011 - 20:37:49 EST


On Tue, Feb 15, 2011 at 10:42 PM, Daniel Lezcano <daniel.lezcano@xxxxxxx> wrote:
> Hi All,
>
> I am running a 2.6.38-rc4-next-20110215+ kernel on qemu x86_64 and the
> following traces appear in the console:
>
> Feb 15 15:00:24 lucid kernel: ------------[ cut here ]------------
> Feb 15 15:00:24 lucid kernel: WARNING: at kernel/lockdep.c:2323
> trace_hardirqs_on_caller+0xb9/0x16c()
> Feb 15 15:00:24 lucid kernel: Hardware name: Bochs
> Feb 15 15:00:24 lucid kernel: Pid: 1477, comm: mountall Not tainted
> 2.6.38-rc4-next-20110215+ #74
> Feb 15 15:00:24 lucid kernel: Call Trace:
> Feb 15 15:00:24 lucid kernel: <IRQ> Â[<ffffffff8102b8a5>] ?
> warn_slowpath_common+0x7b/0x93
> Feb 15 15:00:24 lucid kernel: [<ffffffff8146c097>] ?
> _raw_spin_unlock_irq+0x2b/0x30
> Feb 15 15:00:24 lucid kernel: [<ffffffff8102b8d2>] ?
> warn_slowpath_null+0x15/0x17
> Feb 15 15:00:24 lucid kernel: [<ffffffff8104f796>] ?
> trace_hardirqs_on_caller+0xb9/0x16c
> Feb 15 15:00:24 lucid kernel: [<ffffffff8104f856>] ?
> trace_hardirqs_on+0xd/0xf
> Feb 15 15:00:24 lucid kernel: [<ffffffff8146c097>] ?
> _raw_spin_unlock_irq+0x2b/0x30
> Feb 15 15:00:24 lucid kernel: [<ffffffff812e167e>] ?
> do_ide_request+0x32/0x590

Seems related to IDE SUBSYSTEM

Cc'ing Dave and linux-ide@xxxxxxxxxxxxxxx

Thanks,
Yong


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