Re: panic: APIC: Previous IPI is stuck

From: Andre Guibert de Bruet <andy_at_siliconlandmark.com>
Date: Sat, 17 Jul 2004 15:42:45 -0400 (EDT)
On Sat, 17 Jul 2004, Brian Fundakowski Feldman wrote:

> On Sat, Jul 17, 2004 at 11:10:26AM -0700, Kris Kennaway wrote:
>> On Sat, Jul 17, 2004 at 06:10:45PM +0200, Lars Erik Gullerud wrote:
>>> On Sat, 17 Jul 2004, Andre Guibert de Bruet wrote:
>>>
>>>> pmap_rltacziynftirx(:a 9sfp4u4nc 8f4o,r0 ,56040f0b0f0c0108
>>>> ,a9f44c80,8) at 0x606f31c5
>>> [snip]
>>>
>>>> I am a little worried by the line that starts with pmap_rltac. It appears
>>>> to be the output of two interleaved messages, which I have yet to make
>>>> sense of. At this point the machine is deadlocked and nothing short of a
>>>> reset will get it to budge.
>>>
>>> FYI, the two interleaved lines actually seem to be:
>>>
>>> rtcintr(a9f44c84,0,64fbfc18,a9f44c80,8) at 0x606f31c5
>>> pmap_lazyfix: spun for 50000000
>>>
>>> I seem to remember Kris Kennaway also having a couple of panics where
>>> pmap_lazyfix errors got interleaved with the output.
>>
>> Yeah, I've had to disable SMP because this panic happens too often.
>
> Does it only happen with a constant $NCPU+ load average?  I have never
> seen it here.

Can't really tell, as that was the first time I had ever seen that 
message. I upgraded kernels and am able to successfully build world 
on the same machine without any problems. Dare I try it with -j($NCPU+1)?

Andy

> Andre Guibert de Bruet | Enterprise Software Consultant >
> Silicon Landmark, LLC. | http://siliconlandmark.com/    >
Received on Sat Jul 17 2004 - 17:42:53 UTC

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