panic running include/t_paths

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

Hello,
since a few days, anita Xen tests of HEAD panics on 
include/t_paths:
include/t_paths (42/618): 1 test cases
    paths: uvm_fault(0xc15ef0dc, 0, 1) -> 0xe
fatal page fault in supervisor mode
trap type 6 code 0 eip c03ab50a cs 9 eflags 10246 cr2 0 ilevel 0 esp 4300
curlwp 0xc17d1a80 pid 24550 lid 1 lowest kstack 0xcdb582c0
panic: trap
cpu0: Begin traceback...
vpanic(c04f0421,cdb5ac58,cdb5acdc,c03d4c06,c04f0421,cdb5ace8,cdb5ace8,1,cdb582c0,10246) at netbsd:vpanic+0x11a
panic(c04f0421,cdb5ace8,cdb5ace8,1,cdb582c0,10246,0,0,4300,cdb5ace8) at netbsd:panic+0x18
trap() at netbsd:trap+0xbe6
--- trap (number 6) ---
sysmonopen(4300,0,1,2000,c17d1a80,0,c11e8e50,c11f18f0,43,c0d8a780) at netbsd:sysmonopen+0x8a
spec_open(cdb5adb8,cdb5aea4,cdb5aecc,c04b9874,c11f18f0,1,c0d8a780,c104c000,cdb5ae80,c04522c5) at netbsd:spec_open+0x1ec
VOP_OPEN(c11f18f0,1,c0d8a780,c0d8fcc0,cdb5ae08,c0d8a780,c0596f80,cdb5ae18,c023626d,c1766d00) at netbsd:VOP_OPEN+0x32
vn_open(cdb5aea4,1,160,cdb5aeb8,c0edc1c0,c1755200,3,0,c1879200,c1075400) at netbsd:vn_open+0x1f5
do_open(c17d1a80,0,c1879200,0,8049362,cdb5af38,0,c1879200,c17d1a80,cdb5afa8) at netbsd:do_open+0xc0
do_sys_openat(0,8049362,cdb5af38,c057fbcc,cdb5af9c,c03aade3,c17d1a80,cdb5af68,cdb5af60,c159881c) at netbsd:do_sys_openat+0x6f
sys_open(c17d1a80,cdb5af68,cdb5af60,c159881c,cdb5afa0,c0586964,cdb5af68,0,0,8049362) at netbsd:sys_open+0x2c
syscall() at netbsd:syscall+0x83
--- syscall (number 5) ---
bb683b07:
cpu0: End traceback...

This showed up between -04-23 09:30 UTC and 2015-04-24 13:10 UTC

The sysmonopen() in the stack trace could point to sysmon; could the
recent work on sysmon be the cause of this ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
	NetBSD: 26 ans d'experience feront toujours la difference
--