(please CC as I'm not subscribed)
Not sure if freebsd-stable@ is the correct list as this is
5.1-RELEASE-p2. Seems to have started after rebuild for -p2 patches.
The box was quite stable before then.
This is very easy to reproduce. It happens daily just before 24 hrs
uptime.
FreeBSD edge.internal 5.1-RELEASE-p2 FreeBSD 5.1-RELEASE-p2 #0: Sat Aug
30 13:07:49 CDT 2003 bweisz@edge.internal:/usr/obj/usr/src/sys/TESTBED
i386
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x71e51224
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc03809e7
stack pointer = 0x10:0xd8e28b28
frame pointer = 0x10:0xd8e28b80
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 560 (rtadvd)
kernel: type 12 trap, code=0
Stopped at sysctl_iflist+0x197: movzwl 0x24(%eax),%eax
db> trace
sysctl_iflist(0,d8e28b98,e,51d600,98) at sysctl_iflist+0x197
sysctl_rtsock(c054db20,d8e28cb0,4,d8e28c0c,d8e28c0c) at
sysctl_rtsock+0x111
sysctl_root(0,d8e28ca8,6,d8e28c0c,c150e390) at sysctl_root+0x12a
userland_sysctl(c150e390,d8e28ca8,6,0,bfbffa9c) at userland_sysctl+0x14d
__sysctl(c150e390,d8e28d10,c050a6b5,3fb,6) at __sysctl+0xb0
syscall(bfbf002f,bfbf002f,bfbf002f,0,bfbffa9c) at syscall+0x24e
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (202, FreeBSD ELF32, __sysctl), eip = 0x280be943, esp 0xbfbff9ec,
ebp = 0xbfbffa18 ---
db> panic
panic: from debugger
Debugger("panic")
Fatal trap 3: breakpoint instruction fault while in kernel mode
instruction pointer = 0x8:0xc047eb34
stack pointer = 0x10:0xd8e288a8
frame pointer = 0x10:0xd8e288b4
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = IOPL = 0
current process = 560 (rtadvd)
Stopped at sysctl_iflist+0x197: movzwl 0x24(%eax),%eax
db> trace
sysctl_iflist(0,d8e28b98,e,51d600,98) at sysctl_iflist+0x197
sysctl_rtsock(c054db20,d8e28cb0,4,d8e28c0c,d8e28c0c) at
sysctl_rtsock+0x111
sysctl_root(0,d8e28ca8,6,d8e28c0c,c150e390) at sysctl_root+0x12a
userland_sysctl(c150e390,d8e28ca8,6,0,bfbffa9c) at userland_sysctl+0x14d
__sysctl(c150e390,d8e28d10,c050a6b5,3fb,6) at __sysctl+0xb0
syscall(bfbf002f,bfbf002f,bfbf002f,0,bfbffa9c) at syscall+0x24e
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (202, FreeBSD ELF32, __sysctl), eip = 0x280be943, esp 0xbfbff9ec,
ebp = 0xbfbffa18 ---
db> panic
panic: from debugger
Uptime: 23h53m18s
