Date: Mon, 09 Dec 2002 15:11:35 -0800 From: Lars Eggert <larse@ISI.EDU> To: current <current@FreeBSD.ORG> Subject: NFS-related panic on reboot Message-ID: <3DF52327.9010101@isi.edu>
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With today's -current, after typing "reboot" into tcsh:
NFS append race @0:13
NFS append race @0:23
NFS append race @0:13
NFS append race @0:3
NFS append race @0:60
NFS append race @0:168
NFS append race @0:518
Stopping cron.
Stopping inetd.
Shutting down daemon processes:.
Shutting down local daemons:.
Writing entropy file:.
[1] Terminated
.
DecConnection attempt to UDP 128.9.168.58:137 from 128.9.176.98:137
Connection attempt to UDP 128.9.168.58:137 from 128.9.176.98:137
Connection attempt to UDP 128.9.168.58:137 from 128.9.176.98:137
Connection attempt to UDP 128.9.168.58:137 from 128.9.176.98:137
DDec 9 14:39:32 Coamd[656]: call_mnountd: NFS versinon 3, mount verseion 3
ction attempt to TCP 127.0.0.1:111 from 127.0.0.1:871
DDeDDec Connection attempt to TCP 127.0.0.1:111 from 127.0.0.1:870
DConnection attempt to TCP 127.0.0.1:111 from 127.0.0.1:869
Connection attempt to TCP 127.0.0.1:111 from 127.0.0.1:868
DDConnection attempt to TCP 127.0.0.1:111 from 127.0.0.1:867
Connection attempt to TCP 127.0.0.1:111 from 127.0.0.1:866
Dboot() called on cpu#0
Waiting (max 60 seconds) for system process `vnlru' to stop...stopped
Waiting (max 60 seconds) for system process `bufdaemon' to stop...stopped
Waiting (max 60 seconds) for system process `syncer' to stop...stopped
syncing disks, buffers remaining... 18 18
done
Fatal trap 12: page fault while in kernel mode
cpuid = 1; lapic.id = 02000000
fault virtual address = 0x168
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc69f8869
stack pointer = 0x10:0xdf0c09c8
frame pointer = 0x10:0xdf0c0a0c
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 = 1 (init)
kernel: type 12 trap, code=0
Stopped at nfs_removerpc+0x19: movl 0x168(%eax),%eax
db> trace
nfs_removerpc(c74675dc,c6b5ce6c,c,c6b0fc00,0) at nfs_removerpc+0x19
nfs_removeit(c6b5ce60,0,c6b0fc00,c21b19a0,1) at nfs_removeit+0x30
nfs_inactive(df0c0aa4,12,c21b19a0,c21b19a0,0) at nfs_inactive+0x8d
vclean(c74b65dc,8,c21b19a0,6,c74b65dc) at vclean+0x10a
vgonel(c74b65dc,c21b19a0,c034603c,952,c01bcb20) at vgonel+0x5e
vflush(c724f000,1,2,0,80000) at vflush+0x3cc
nfs_unmount(c724f000,80000,c21b19a0,c21b19a0,0) at nfs_unmount+0x49
dounmount(c724f000,80000,c21b19a0,ffffffff,0) at dounmount+0x1a2
vfs_unmountall(c0347d1a,c033f198,ab,134,12) at vfs_unmountall+0x4e
boot(0,0,c033f198,ab,df0c0d40) at boot+0x494
reboot(c21b19a0,df0c0d10,c035adc0,407,c21b0d50) at reboot+0x4a
syscall(2f,2f,2f,80a265a,bfbffdf8) at syscall+0x3c6
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (55, FreeBSD ELF32, reboot), eip = 0x8050777, esp =
0xbfbffc3c, ebp = 0xbfbffd08 ---
db> panic
panic: from debugger
cpuid = 1; lapic.id = 02000000
Debugger("panic")
[root@nik: /usr/tmp] gdb -k
/usr/obj/usr/src/sys/KERNEL-1.11/kernel.debug vmcore.0
GNU gdb 5.2.1 (FreeBSD)
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-undermydesk-freebsd"...
panic: from debugger
panic messages:
---
Fatal trap 12: page fault while in kernel mode
cpuid = 1; lapic.id = 02000000
fault virtual address = 0x168
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc69f8869
stack pointer = 0x10:0xdf0c09c8
frame pointer = 0x10:0xdf0c0a0c
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 = 1 (init)
panic: from debugger
cpuid = 1; lapic.id = 02000000
Fatal trap 3: breakpoint instruction fault while in kernel mode
cpuid = 1; lapic.id = 02000000
instruction pointer = 0x8:0xc02eba3a
stack pointer = 0x10:0xdf0c073c
frame pointer = 0x10:0xdf0c0748
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, IOPL = 0
current process = 1 (init)
panic: from debugger
cpuid = 1; lapic.id = 02000000
boot() called on cpu#1
Uptime: 4h9m47s
pfs_vncache_unload(): 3 entries remaining
Dumping 1023 MB
16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304
320 336 352 368 384 400 416 432 448 464 480 496 512 528 544 560 576 592
608 624 640 656 672 688 704 720 736 752 768 784 800 816 832 848 864 880
896 912 928 944 960 976 992 1008
---
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:233
233 dumpsys(&dumper);
(kgdb) bt
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:233
#1 0xc01b6fbe in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:364
#2 0xc01b75b7 in panic (fmt=0xc0332f43 "from debugger")
at /usr/src/sys/kern/kern_shutdown.c:517
#3 0xc0146d12 in db_panic () at /usr/src/sys/ddb/db_command.c:450
#4 0xc0146b4c in db_command (last_cmdp=0xc0367980, cmd_table=0xc03677a0,
aux_cmd_tablep=0xc035f004, aux_cmd_tablep_end=0x1)
at /usr/src/sys/ddb/db_command.c:346
#5 0xc0146d8a in db_command_loop () at /usr/src/sys/ddb/db_command.c:472
#6 0xc0149a96 in db_trap (type=12, code=0) at /usr/src/sys/ddb/db_trap.c:72
#7 0xc02eb6e7 in kdb_trap (type=12, code=0, regs=0xdf0c0988)
at /usr/src/sys/i386/i386/db_interface.c:166
#8 0xc0303fc0 in trap_fatal (frame=0xdf0c0988, eva=0)
at /usr/src/sys/i386/i386/trap.c:839
#9 0xc0303d0a in trap_pfault (frame=0xdf0c0988, usermode=0, eva=360)
at /usr/src/sys/i386/i386/trap.c:758
#10 0xc03038b1 in trap (frame=
{tf_fs = -1071841256, tf_es = -1069940720, tf_ds = 16, tf_edi =
-552858972, tf_esi = -951600464, tf_ebp = -552859124, tf_isp =
-552859212, tf_ebx = -961163680, tf_edx = -951683620, tf_ecx = 0, tf_eax
= 0, tf_trapno = 12, tf_err = 0, tf_eip = -962623383, tf_cs = 8,
tf_eflags = 66194, tf_esp = -962606348, tf_ss = -552859148})
at /usr/src/sys/i386/i386/trap.c:445
#11 0xc02ecec8 in calltrap () at {standard input}:99
#12 0xc69f8840 in ?? ()
#13 0xc69ef9dd in ?? ()
#14 0xc020ce8a in vclean (vp=0xc747bab0, flags=8, td=0xdf0c0aa4) at
vnode_if.h:930
#15 0xc020d39e in vgonel (vp=0xc74b65dc, td=0x0)
at /usr/src/sys/kern/vfs_subr.c:2690
#16 0xc020cc1c in vflush (mp=0xc724f000, rootrefs=1, flags=2)
at /usr/src/sys/kern/vfs_subr.c:2407
#17 0xc69f5309 in ?? ()
#18 0xc0207da2 in dounmount (mp=0xc724f000, flags=-962310880, td=0xc724f000)
at /usr/src/sys/kern/vfs_mount.c:1294
#19 0xc020e13e in vfs_unmountall () at /usr/src/sys/kern/vfs_subr.c:3122
#20 0xc01b7274 in boot (howto=0) at /usr/src/sys/kern/kern_shutdown.c:349
#21 0xc01b6bba in reboot () at /usr/src/sys/kern/kern_shutdown.c:172
#22 0xc0304576 in syscall (frame=
{tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 134882906, tf_esi =
-1077936648, tf_ebp = -1077936888, tf_isp = -552858252, tf_ebx =
-1077936728, tf_edx = -1, tf_ecx = 4, tf_eax = 55, tf_trapno = 12,
tf_err = 2, tf_eip = 134547319, tf_cs = 31, tf_eflags = 583, tf_esp =
-1077937092, tf_ss = 47})
at /usr/src/sys/i386/i386/trap.c:1033
#23 0xc02ecf1d in Xint0x80_syscall () at {standard input}:141
---Can't read userspace from dump, or kernel process---
--
Lars Eggert <larse@isi.edu> USC Information Sciences Institute
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