Date: Sat, 16 Sep 2000 07:41:42 -0700 (PDT) From: mb@imp.ch To: freebsd-gnats-submit@FreeBSD.org Subject: ports/21313: vmwarIPv6 and vmware2 panic: Fatal trap 12: page fault while in kernel mode Message-ID: <20000916144142.80CB437B424@hub.freebsd.org>
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>Number: 21313
>Category: ports
>Synopsis: vmwarIPv6 and vmware2 panic: Fatal trap 12: page fault while in kernel mode
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-ports
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sat Sep 16 07:50:00 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator: Martin Blapp
>Release: 4.1 STABLE from 16092000
>Organization:
Improware AG
>Environment:
FreeBSD fuchur.lan.attic.ch 4.1-STABLE FreeBSD 4.1-STABLE #4:
Sat Sep 16 16:18:26 CEST 2000
root@fuchur.lan.attic.ch:/usr/src/sys/compile/FURCHUR i386
>Description:
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x94c4cc8b
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc01e95a2
stack pointer = 0x10:0xcad94e28
frame pointer = 0x10:0xcad94e58
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 = 390 (ifconfig)
interrupt mask = none
panic: from debugger
panic: from debugger
Uptime: 4m46s
(kgdb) bt
#0 boot (howto=260) at ../../kern/kern_shutdown.c:302
#1 0xc01959cd in panic (fmt=0xc03295d4 "from debugger")
at ../../kern/kern_shutdown.c:552
#2 0xc014a359 in db_panic (addr=-1071737438, have_addr=0, count=-1,
modif=0xcad94c94 "") at ../../ddb/db_command.c:433
#3 0xc014a2f9 in db_command (last_cmdp=0xc0371b4c, cmd_table=0xc03719ac,
aux_cmd_tablep=0xc03bb7d0) at ../../ddb/db_command.c:333
#4 0xc014a3be in db_command_loop () at ../../ddb/db_command.c:455
#5 0xc014c4cb in db_trap (type=12, code=0) at ../../ddb/db_trap.c:71
#6 0xc02f7b6e in kdb_trap (type=12, code=0, regs=0xcad94de8)
at ../../i386/i386/db_interface.c:158
#7 0xc0307490 in trap_fatal (frame=0xcad94de8, eva=2495925387)
at ../../i386/i386/trap.c:946
#8 0xc0307169 in trap_pfault (frame=0xcad94de8, usermode=0, eva=2495925387)
at ../../i386/i386/trap.c:844
#9 0xc0306cdf in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16,
tf_edi = -1069805600, tf_esi = -1071093448, tf_ebp = -891728296,
tf_isp = -891728364, tf_ebx = -907313440, tf_edx = -891728212,
tf_ecx = -891728354, tf_eax = -1071737438, tf_trapno = 12, tf_err = 0,
tf_eip = -1071737438, tf_cs = 8, tf_eflags = 66178,
tf_esp = -1071751390, tf_ss = -1069805600}) at ../../i386/i386/trap.c:443
#10 0xc01e95a2 in loioctl (ifp=0xc9cd0e40, cmd=3223873848,
data=0xcad94eac "faith0") at ../../net/if_loop.c:363
#11 0xc01a6626 in soo_ioctl (fp=0xc122b880, cmd=3223873848,
data=0xcad94eac "faith0", p=0xc9eb7ee0) at ../../kern/sys_socket.c:141
#12 0xc01a3662 in ioctl (p=0xc9eb7ee0, uap=0xcad94f80) at ../../sys/file.h:174
#13 0xc0307769 in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47,
tf_edi = -1077938252, tf_esi = 3, tf_ebp = -1077938252,
tf_isp = -891727916, tf_ebx = -1077938292, tf_edx = 0,
tf_ecx = -1077938276, tf_eax = 54, tf_trapno = 12, tf_err = 2,
tf_eip = 134529200, tf_cs = 31, tf_eflags = 659, tf_esp = -1077938360,
tf_ss = 47}) at ../../i386/i386/trap.c:1150
#14 0xc02f84b5 in Xint0x80_syscall ()
#15 0x8049190 in ?? ()
#16 0x80486dd in ?? ()
#17 0x8048139 in ?? ()
>How-To-Repeat:
If vmware is running (the OS has to be loaded, the network-driver
initialised, else it works), executing 'ifconfig -a' 2 or more times
does panic().
Here's my kernelconfig-file:
http://www.attic.ch/config/kernel-config-furchur
It seems to happen only if ipv6 is enabled in the kernel.
>Fix:
not known yet.
>Release-Note:
>Audit-Trail:
>Unformatted:
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