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Subject: Re: 18rc1 soft lockup
From: john stultz <johnstul@us.ibm.com>
To: Dave Jones <davej@redhat.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
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Date: Tue, 11 Jul 2006 12:13:47 -0700
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On Tue, 2006-07-11 at 15:03 -0400, Dave Jones wrote:
> Just saw this during boot of a HT P4 box.
> 
> BUG: soft lockup detected on CPU#0!
>  [<c04051af>] show_trace_log_lvl+0x54/0xfd
>  [<c0405766>] show_trace+0xd/0x10
>  [<c0405885>] dump_stack+0x19/0x1b
>  [<c0450ec7>] softlockup_tick+0xa5/0xb9
>  [<c042d496>] run_local_timers+0x12/0x14
>  [<c042d81b>] update_process_times+0x3c/0x61
>  [<c04179e0>] smp_apic_timer_interrupt+0x6d/0x75
>  [<c0404ada>] apic_timer_interrupt+0x2a/0x30

That's clocksource_adjust/lost tick bug. Roman's fix landed in Linus'
-git yesterday.

thanks
-john