>Number:         33809
>Category:       kern
>Synopsis:       crash in NetBSD 3.0
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jun 23 18:20:00 +0000 2006
>Originator:     Mihai CHELARU
>Release:        NetBSD 3.0_STABLE
>Organization:
	
>Environment:
	
	
System: NetBSD ns.girsa.ro 3.0_STABLE NetBSD 3.0_STABLE (Kefren.XENU) #3: Thu Apr 13 21:25:15 EEST 2006 root@ns.girsa.ro:/usr/src/sys/arch/i386/compile/Kefren.XENU i386
Architecture: i386
Machine: i386
>Description:

	On a computer with high disk activity I got this:

	uvm_fault(0xc68fed24, 0, 0, 1) -> 0xe
	kernel: page fault trap, code=0
	Stopped in pid 26870.1 (su) at  netbsd:lf_advlock+0xbe: movl    0(%ecx),%edx
	lf_advlock(c5a31d84,10,0,0,0) at netbsd:lf_advlock+0xbe
	spec_advlock(c5a31d84,c5a31da4,aedda,0,c0378fc0) at netbsd:spec_advlock+0x1d
	VOP_ADVLOCK(c669f744,c66cb664,2,c5a31dd4,40) at netbsd:VOP_ADVLOCK+0x3a
	closef(c69e43c0,c66cb664,bebde0f8,0,c03eb1e0) at netbsd:closef+0x1b2
	fdfree(c66cb664,0,c5a31e8c,c028a570,0) at netbsd:fdfree+0x6c
	exit1(c69ec3a0,1,c5a31f0c,c0273f39,c66cb664) at netbsd:exit1+0x203
	postsig(1,c5a31f64,c5a31f5c,0,c032fb85) at netbsd:postsig+0x28c
	syscall_plain() at netbsd:syscall_plain+0xec
	--- syscall (number 7) ---
	0xbdb28e9d:
	ds          0x11
	es          0x11
	fs          0x31
	gs          0x11
	edi         0xc66cb664
	esi         0xc5a31d84
	ebp         0xc5a31d4c
	ebx         0xc668b784
	edx         0x1b
	ecx         0x10
	eax         0xc668b784
	eip         0xc02bcfa6  lf_advlock+0xbe
	cs          0x9
	eflags      0x10286
	esp         0xc5a31d14
	ss          0x11
	netbsd:lf_advlock+0xbe: movl    0(%ecx),%edx
	Stopped in pid 26870.1 (su) at  netbsd:lf_advlock+0xbe: movl    0(%ecx),%edx


	
>How-To-Repeat:
	
>Fix:
	

>Unformatted: