Date: Sat, 21 Sep 2002 13:53:49 +0930 (CST) From: "Daniel O'Connor" <darius@dons.net.au> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/43151: Panic 20 seconds after resume Message-ID: <200209210423.g8L4NnZq000710@chowder.dons.net.au>
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>Number: 43151
>Category: kern
>Synopsis: Panic 20 seconds after resume
>Confidential: no
>Severity: serious
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Sep 20 21:30:02 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Daniel O'Connor
>Release: FreeBSD 4.7-PRERELEASE i386
>Organization:
>Environment:
System: FreeBSD chowder.dons.net.au 4.7-PRERELEASE FreeBSD 4.7-PRERELEASE #14: Thu Sep 12 17:09:00 CST 2002 darius@chowder.gsoft.com.au:/usr/src/sys/compile/CHOWDER i386
>Description:
Machine hung about 20 seconds after resuming from suspend.
Got a crash dump, backtrace ->
IdlePTD at phsyical address 0x00394000
initial pcb at physical address 0x002883e0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x400bceb3
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc01f1bc0
stack pointer = 0x10:0xd0c13ecc
frame pointer = 0x10:0xd0c13ecc
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 = 29719 (netstat)
interrupt mask = none
trap number = 12
panic: page fault
syncing disks... 36 35 35 27 27 23 23 19 19 17 16 16 13 13 9 9 2 1 1
done
Uptime: 8h39m20s
[ ... ]
(kgdb) bt
#0 dumpsys () at ../../kern/kern_shutdown.c:487
#1 0xc015261b in boot (howto=256) at ../../kern/kern_shutdown.c:316
#2 0xc0152a59 in panic (fmt=0xc025b32c "%s") at ../../kern/kern_shutdown.c:595
#3 0xc0215793 in trap_fatal (frame=0xd0c13e8c, eva=1074515635)
at ../../i386/i386/trap.c:974
#4 0xc0215441 in trap_pfault (frame=0xd0c13e8c, usermode=0, eva=1074515635)
at ../../i386/i386/trap.c:867
#5 0xc0214fe7 in trap (frame={tf_fs = -792657904, tf_es = 16,
tf_ds = -1057619952, tf_edi = 7247, tf_esi = -1063011584,
tf_ebp = -792641844, tf_isp = -792641864, tf_ebx = -1070858200,
tf_edx = -1054199808, tf_ecx = 1074515635, tf_eax = 1074515635,
tf_trapno = 12, tf_err = 0, tf_eip = -1071703104, tf_cs = 8,
tf_eflags = 66067, tf_esp = -792641816, tf_ss = -1072411889})
at ../../i386/i386/trap.c:466
#6 0xc01f1bc0 in strcmp (s1=0xc12a3000 "imp_softc",
s2=0x400bceb3 <Address 0x400bceb3 out of bounds>)
at ../../libkern/strcmp.c:50
#7 0xc0144b0f in link_elf_lookup_symbol (lf=0xc0a3ba80,
name=0xc12a3000 "imp_softc", sym=0xd0c13f08) at ../../kern/link_elf.c:914
#8 0xc0143005 in kldsym (p=0xd08bf680, uap=0xd0c13f80)
at ../../kern/kern_linker.c:879
#9 0xc0215a49 in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47,
tf_edi = 134604684, tf_esi = 134604696, tf_ebp = -1077937548,
tf_isp = -792641580, tf_ebx = 671609756, tf_edx = 0, tf_ecx = 0,
tf_eax = 337, tf_trapno = 12, tf_err = 2, tf_eip = 671902280,
tf_cs = 31, tf_eflags = 663, tf_esp = -1077937608, tf_ss = 47})
at ../../i386/i386/trap.c:1175
#10 0xc0208c95 in Xint0x80_syscall ()
#11 0x804fe66 in ?? ()
#12 0x804fa20 in ?? ()
#13 0x80492e9 in ?? ()
[ ... ]
#8 0xc0143005 in kldsym (p=0xd08bf680, uap=0xd0c13f80)
at ../../kern/kern_linker.c:879
879 if (lf->ops->lookup_symbol(lf, symstr, &sym) == 0 &&
(kgdb) print symstr
$3 = 0xc12a3000 "imp_softc"
(kgdb) print &sym
$4 = (c_linker_sym_t *) 0xd0c13f08
(kgdb) print sym
$5 = 0xc0105b80 "±\022"
(kgdb) print lf
$6 = 0xc0a3ba80
(kgdb) down
#7 0xc0144b0f in link_elf_lookup_symbol (lf=0xc0a3ba80,
name=0xc12a3000 "imp_softc", sym=0xd0c13f08) at ../../kern/link_elf.c:914
914 if (strcmp(name, strp) == 0) {
(kgdb) print name
$7 = 0xc12a3000 "imp_softc"
(kgdb) print strp
$8 = 0x0
>How-To-Repeat:
Not sure <sigh>
Haven't seen it before.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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