NetBSD Problem Report #47830

From donlee@mercy.icompute.com  Fri May 17 22:12:12 2013
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Date: Fri, 17 May 2013 17:12:09 -0500 (CDT)
From: donlee@mercy.icompute.com
Reply-To: donlee@mercy.icompute.com
To: gnats-bugs@gnats.NetBSD.org
Subject: Panic:  pmap_pte_spill: victim p-pte (0x1ffcb68)
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>Number:         47830
>Category:       kern
>Synopsis:       Panic:  pmap_pte_spill: victim p-pte (0x1ffcb68)
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri May 17 22:15:00 +0000 2013
>Originator:     Donald Lee
>Release:        NetBSD 6.0.1 (release, stock)
>Organization:
iCompute.com
>Environment:
System: NetBSD mercy 6.0.1 NetBSD 6.0.1 (GENERIC) macppc
Architecture: powerpc
Machine: macppc
>Description:
	I have been getting panics on my production machine.  They appear to happen
	mostly in the morning, when the apache statistics runs are active, and there
	is a fair amount of disk activity, and possibly network activity.

	The message in /var/log/messages is:

May 16 07:27:45 mercy syslogd[151]: restart
May 16 07:27:45 mercy /netbsd: panic: pmap_pte_spill: victim p-pte (0x1ffcb68) has no pvo entry!
May 16 07:27:45 mercy /netbsd: cpu0: Begin traceback...
May 16 07:27:45 mercy /netbsd: 0xe1d3fe10: at panic+0x4c
May 16 07:27:45 mercy /netbsd: 0xe1d3fe50: at pmap_pte_spill+0x4c0  
May 16 07:27:45 mercy /netbsd: 0xe1d3fe90: at trap+0xa60
May 16 07:27:45 mercy /netbsd: 0xe1d3ff20: user ISI trap by 0x183d4e4: srr1=0x4200d032
May 16 07:27:45 mercy /netbsd:            r1=0xffffb2b0 cr=0x24000044 xer=0 ctr=0xfdd70cb8
May 16 07:27:45 mercy /netbsd: cpu0: End traceback... 
May 16 07:27:45 mercy /netbsd: dumpsys: TBD
May 16 07:27:45 mercy /netbsd: wd2: flush cache command didn't complete
May 16 07:27:45 mercy /netbsd: wd1: flush cache command didn't complete
May 16 07:27:45 mercy /netbsd: rebooting 

>How-To-Repeat:
I don't know.

>Fix:

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