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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: BUG: soft lockup - CPU#1 stuck for 15s! [swapper:0]
Date: Sat, 8 Dec 2007 03:35:20 +0100
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Cc: "Parag Warudkar" <parag.warudkar@gmail.com>, linux-kernel@vger.kernel.org,
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On Saturday, 8 of December 2007, Andrew Morton wrote:
> On Fri, 7 Dec 2007 17:53:47 -0500
> "Parag Warudkar" <parag.warudkar@gmail.com> wrote:
> 
> > Got this on today's git (2.6.24-rc4) while compiling  stuff - Looks
> > like it is related to CpuIdle stuff.
> > I chose CONFIG_CPU_IDLE for the first time so I don't know when this
> > was introduced.
> > 
> > This is on x86_32, SMP.
> > 
> > BUG: soft lockup - CPU#1 stuck for 15s! [swapper:0]
> > 
> > Pid: 0, comm: swapper Not tainted (2.6.24-rc4 #3)
> > EIP: 0060:[<c0603e22>] EFLAGS: 00000202 CPU: 1
> > EIP is at _spin_lock_irqsave+0x16/0x27
> > EAX: c06b4110 EBX: 00000001 ECX: f7873808 EDX: 00000293
> > ESI: 00000005 EDI: f7873808 EBP: 00000000 ESP: f7829f10
> >  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
> > CR0: 8005003b CR2: 004f5960 CR3: 372c5000 CR4: 000006d0
> > DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
> > DR6: ffff0ff0 DR7: 00000400
> >  [<c0438233>] tick_broadcast_oneshot_control+0x10/0xda
> >  [<c0437c82>] tick_notify+0x1d4/0x2eb
> >  [<c04281b4>] get_next_timer_interrupt+0x143/0x1b4
> >  [<c0605819>] notifier_call_chain+0x2a/0x47
> >  [<c04345a0>] raw_notifier_call_chain+0x17/0x1a
> >  [<c04378b7>] clockevents_notify+0x19/0x4f
> >  [<c0533cc3>] acpi_idle_enter_simple+0x183/0x1d0
> >  [<c058cea3>] cpuidle_idle_call+0x53/0x78
> >  [<c058ce50>] cpuidle_idle_call+0x0/0x78
> >  [<c0402575>] cpu_idle+0x97/0xb8
> 
> OK, thanks.  Another one for the regression list, please.

Added, http://bugzilla.kernel.org/show_bug.cgi?id=9525, thanks.
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