smbfs panic when lost connection or unmount --force

[Oliver Pinter]

Hi all!

It is a kernel panic, when force unmount the smbfs volume or lost the
connection with the samba server.

--
Thes OS is:


kern.ostype: FreeBSD
kern.osrelease: 7.2-STABLE
kern.osrevision: 199506
kern.version: FreeBSD 7.2-STABLE #4: Sat Jun 27 21:44:32 CEST 2009
    root at oliverp:/usr/obj/usr/src/sys/stable
kern.osreldate: 702103

--
make.conf:


CPUTYPE?=core2
CFLAGS= -O2 -fno-strict-aliasing -pipe
MODULES_OVERRIDE=smbfs libiconv libmchain zfs opensolaris drm cd9660
cd9660_iconv

--
panic message:

Jul 10 01:58:39 oliverp syslogd: kernel boot file is /boot/kernel/kernel
Jul 10 01:58:39 oliverp kernel: kernel trap 12 with interrupts disabled
Jul 10 01:58:39 oliverp kernel:
Jul 10 01:58:39 oliverp kernel:
Jul 10 01:58:39 oliverp kernel: Fatal trap 12: page fault while in kernel mode
Jul 10 01:58:39 oliverp kernel: cpuid = 2; apic id = 02
Jul 10 01:58:39 oliverp kernel: fault virtual address	= 0x30
Jul 10 01:58:39 oliverp kernel: fault code		= supervisor read data,
page not present
Jul 10 01:58:39 oliverp kernel: instruction pointer	= 0x8:0xffffffff80327fd0
Jul 10 01:58:39 oliverp kernel: stack pointer	        = 0x10:0xffffff8078360940
Jul 10 01:58:39 oliverp kernel: frame pointer	        = 0x10:0xffffff0004c31390
Jul 10 01:58:39 oliverp kernel: code segment		= base 0x0, limit
0xfffff, type 0x1b
Jul 10 01:58:39 oliverp kernel: = DPL 0, pres 1, long 1, def32 0, gran 1
Jul 10 01:58:39 oliverp kernel: processor eflags	= resume, IOPL = 0
Jul 10 01:58:39 oliverp kernel: current process		= 60406 (smbiod0)
Jul 10 01:58:39 oliverp kernel: trap number		= 12
Jul 10 01:58:39 oliverp kernel: panic: page fault
Jul 10 01:58:39 oliverp kernel: cpuid = 2
Jul 10 01:58:39 oliverp kernel: Uptime: 6h51m16s
Jul 10 01:58:39 oliverp kernel: Physical memory: 4087 MB
Jul 10 01:58:39 oliverp kernel: Dumping 2448 MB:Copyright (c)
1992-2009 The FreeBSD Project.