Date: Mon, 9 Sep 2002 00:44:30 -0700 (PDT) From: Olaf Klein <ok@adimus.de> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/42580: kernel crash when starting ISC 3.2 X11 binaries under ibcs2 Message-ID: <200209090744.g897iUbb035235@www.freebsd.org>
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>Number: 42580
>Category: kern
>Synopsis: kernel crash when starting ISC 3.2 X11 binaries under ibcs2
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Sep 09 00:50:14 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Olaf Klein
>Release: FreeBSD 4.7-PRERELEASE i386
>Organization:
Adimus GmbH
>Environment:
System: FreeBSD n24.adimus.de 4.7-PRERELEASE FreeBSD 4.7-PRERELEASE #1: Fri Sep 6 15:39:36 CEST 2002 root@n24.adimus.de:/usr/src/sys/compile/BBA2 i386
>Description:
I copied a full ISC 3.2 system into /compat/ibcs2 and loaded the ibcs2
kernel-modules. Oracle 6.0 is running fine under the system but the
system crashes when starting an ISC 3.2 binary which is dynamically
linked with /shlib/libX11_s. Heres a backtrace from vmcore:
IdlePTD at phsyical address 0x00366000
initial pcb at physical address 0x002d2100
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x8966d14f
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0247bec
stack pointer = 0x10:0xcd678d14
frame pointer = 0x10:0xcd678d18
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 = 137 (csh)
interrupt mask = none
trap number = 12
panic: page fault
#0 dumpsys () at ../../kern/kern_shutdown.c:487
(kgdb) bt
#0 dumpsys () at ../../kern/kern_shutdown.c:487
#1 0xc015383f in boot (howto=256) at ../../kern/kern_shutdown.c:316
#2 0xc0153c64 in poweroff_wait (junk=0xc02a72ac, howto=-1070961201)
at ../../kern/kern_shutdown.c:595
#3 0xc026a0ce in trap_fatal (frame=0xcd678cd4, eva=2305216847)
at ../../i386/i386/trap.c:974
#4 0xc0269da1 in trap_pfault (frame=0xcd678cd4, usermode=0, eva=2305216847)
at ../../i386/i386/trap.c:867
#5 0xc026995f in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16,
tf_edi = -1989750449, tf_esi = 0, tf_ebp = -848851688,
tf_isp = -848851712, tf_ebx = -1053388787, tf_edx = -1989750449,
tf_ecx = -1053388787, tf_eax = -1053388787, tf_trapno = 12, tf_err = 0,
tf_eip = -1071350804, tf_cs = 8, tf_eflags = 66178, tf_esp = 134218063,
tf_ss = -848851584}) at ../../i386/i386/trap.c:466
#6 0xc0247bec in strcpy (to=0xc136900d "/shlib/libX11_s",
from=0x8966d14f <Address 0x8966d14f out of bounds>)
at ../../libkern/strcpy.c:43
#7 0xc0273820 in exec_coff_imgact (imgp=0xcd678e18)
at ../../i386/ibcs2/imgact_coff.c:394
#8 0xc014aeac in execve (p=0xcc015700, uap=0xcd678f80)
at ../../kern/kern_exec.c:208
#9 0xc026a37d in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47,
tf_edi = 135512896, tf_esi = 135464320, tf_ebp = -1077954372,
tf_isp = -848850988, tf_ebx = 135512944, tf_edx = 135464348,
tf_ecx = 135464448, tf_eax = 59, tf_trapno = 22, tf_err = 2,
tf_eip = 134974584, tf_cs = 31, tf_eflags = 659, tf_esp = -1077954400,
tf_ss = 47}) at ../../i386/i386/trap.c:1175
#10 0xc025b485 in Xint0x80_syscall ()
Cannot access memory at address 0xbfbfb8bc.
>How-To-Repeat:
As any User start a with libX11_s dynamically linked ISC 3.2 binary.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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