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Date:      Thu, 30 Jan 2003 12:15:45 -0500
From:      Mike Tancsa <mike@sentex.net>
To:        stable@freebsd.org
Subject:   panic on a somewhat recent stable (Jan 7)
Message-ID:  <5.2.0.9.0.20030130115717.058f0c28@marble.sentex.ca>

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Anyone know what could have caused this panic.  Its a STABLE from Jan 
7th.  Coredump and debug kernel are all saved if I can provide any 
additional info to track down what the issue was.  Kernel config is nothing 
special... Generic with drivers not used taken out essentially and ipfw 
added in.

# gdb -k kernel.debug /var/crash/vmcore.2
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-unknown-freebsd"...Deprecated bfd_read 
called at 
/usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c 
line 2627 in elfstab_build_psymtabs
Deprecated bfd_read called at 
/usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c 
line 933 in fill_symbuf

IdlePTD at phsyical address 0x0033f000
initial pcb at physical address 0x002af660
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0xc70ec010
fault code              = supervisor write, page not present
instruction pointer     = 0x8:0xc012533a
stack pointer           = 0x10:0xc028ad18
frame pointer           = 0x10:0xc028ad28
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         = Idle
interrupt mask          = cam
trap number             = 12
panic: page fault

syncing disks...

Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x30
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc01fd020
stack pointer           = 0x10:0xc028ab00
frame pointer           = 0x10:0xc028ab08
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         = Idle
interrupt mask          = bio cam
trap number             = 12
panic: page fault
Uptime: 23d10h21m7s

dumping to dev #ad/1, offset 213152
dump ata0: resetting devices .. done
---
#0  dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
487             if (dumping++) {
(kgdb) where
#0  dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
#1  0xc0172050 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:316
#2  0xc0172484 in poweroff_wait (junk=0xc028200c, howto=-1071113425) at 
/usr/src/sys/kern/kern_shutdown.c:595
#3  0xc0240b27 in trap_fatal (frame=0xc028aac0, eva=48) at 
/usr/src/sys/i386/i386/trap.c:974
#4  0xc02407e1 in trap_pfault (frame=0xc028aac0, usermode=0, eva=48) at 
/usr/src/sys/i386/i386/trap.c:867
#5  0xc024038b in trap (frame={tf_fs = -1072103408, tf_es = 7208976, tf_ds 
= -1071120368, tf_edi = 0, tf_esi = -1030928384,
       tf_ebp = -1071076600, tf_isp = -1071076628, tf_ebx = -1070984868, 
tf_edx = 6867008, tf_ecx = -589931840, tf_eax = 0,
       tf_trapno = 12, tf_err = 0, tf_eip = -1071656928, tf_cs = 8, 
tf_eflags = 66050, tf_esp = -1030928384, tf_ss = -1030928384})
     at /usr/src/sys/i386/i386/trap.c:466
#6  0xc01fd020 in acquire_lock (lk=0xc02a115c) at 
/usr/src/sys/ufs/ffs/ffs_softdep.c:266
#7  0xc0201240 in softdep_update_inodeblock (ip=0xc28d4800, bp=0xcf103b90, 
waitfor=0) at /usr/src/sys/ufs/ffs/ffs_softdep.c:3813
#8  0xc01fc0d6 in ffs_update (vp=0xdcd65ac0, waitfor=0) at 
/usr/src/sys/ufs/ffs/ffs_inode.c:106
#9  0xc0205df1 in ffs_fsync (ap=0xc028abb8) at 
/usr/src/sys/ufs/ffs/ffs_vnops.c:273
#10 0xc020462f in ffs_sync (mp=0xc2856e00, waitfor=2, cred=0xc1995900, 
p=0xc02c46e0) at vnode_if.h:558
#11 0xc01a2f1b in sync (p=0xc02c46e0, uap=0x0) at 
/usr/src/sys/kern/vfs_syscalls.c:576
#12 0xc0171e0b in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:235
#13 0xc0172484 in poweroff_wait (junk=0xc028200c, howto=-1071113425) at 
/usr/src/sys/kern/kern_shutdown.c:595
#14 0xc0240b27 in trap_fatal (frame=0xc028acd8, eva=3339632656) at 
/usr/src/sys/i386/i386/trap.c:974
#15 0xc02407e1 in trap_pfault (frame=0xc028acd8, usermode=0, 
eva=3339632656) at /usr/src/sys/i386/i386/trap.c:867
#16 0xc024038b in trap (frame={tf_fs = 7208976, tf_es = -1022951408, tf_ds 
= -1032388592, tf_edi = 6949888, tf_esi = -1031505408,
       tf_ebp = -1071076056, tf_isp = -1071076092, tf_ebx = -1022907392, 
tf_edx = -955334656, tf_ecx = -1031505340,
       tf_eax = -1031464948, tf_trapno = 12, tf_err = 2, tf_eip = 
-1072540870, tf_cs = 8, tf_eflags = 66182, tf_esp = -1046923488,
       tf_ss = 6425600}) at /usr/src/sys/i386/i386/trap.c:466
#17 0xc012533a in camisr (queue=0xc02ad550) at /usr/src/sys/cam/cam_queue.h:224
#18 0xc012527d in swi_cambio () at /usr/src/sys/cam/cam_xpt.c:6288
#19 0xc02355a0 in splz_swi ()
#20 0xc01c52a5 in ip_input (m=0xc02355a0) at 
/usr/src/sys/netinet/ip_input.c:268
#21 0xc0235539 in swi_net_next ()
#22 0xc0239a6e in cpu_idle () at /usr/src/sys/i386/i386/machdep.c:1024
(kgdb)
--------------------------------------------------------------------
Mike Tancsa,                          	          tel +1 519 651 3400
Sentex Communications,     			  mike@sentex.net
Providing Internet since 1994                    www.sentex.net
Cambridge, Ontario Canada			  www.sentex.net/mike


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