Subject: port-i386/1088: fatal page fault panic in low swap situation
To: None <gnats-admin@sun-lamp.cs.berkeley.edu>
From: S.P.Zeidler <spz@comma.rhein.de>
List: netbsd-bugs
Date: 05/30/1995 10:20:08
>Number:         1088
>Category:       port-i386
>Synopsis:       fatal page fault panic in low swap situation
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    gnats-admin (GNATS administrator)
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue May 30 10:20:01 1995
>Originator:     S.P.Zeidler
>Organization:
"	dis-"
>Release:        1.0
>Environment:
i486 EISA (ASUS) 16MB RAM 60 MB Swap AHA-SCSI 2xNE2000 1xI/O
	NetBSD 1.0 config netbsd swap generic 
System: NetBSD comma.rhein.de 1.0 NetBSD 1.0 (COMMA) #11: Mon May 29 20:56:58 MET DST 1995 spz@comma.rhein.de:/usr/src/sys/arch/i386/compile/COMMA i386


>Description:
	vm_fault(f81beb54,0,1,0) -> 5
	fatal page fault in supervisor mode
	trap type 6 code f8100000 eip f810125 cs f7bf0008 eflags 10282 cr2 f0 cpl ffffffff
	panic: trap

	vm_fault(f81beb54,0,1,0) -> 5
	fatal page fault in supervisor mode
	trap type 6 code f8100000 eip f810125 cs f7bf0008 eflags 10286 cr2 f0 cpl ffffffff
	panic: trap

	and machine doesn't react any more.
>How-To-Repeat:
	unclear, but I suspect that I was fresh out of swap
>Fix:
	I increased swap to 90MB, but don't know yet whether that really fixed
	things. The machine in question is a busy newsserver, I can't test
	that much on it. The machine I may play on of course never saw the
	like ...
>Audit-Trail:
>Unformatted: