Date: Mon, 23 Aug 2004 00:02:51 GMT From: Rostislav Krasny <rosti_bsd@yahoo.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/70837: "Fatal trap 12" during 'devinfo -v' Message-ID: <200408230002.i7N02pq6044161@www.freebsd.org> Resent-Message-ID: <200408230010.i7N0ASds042076@freefall.freebsd.org>
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>Number: 70837
>Category: kern
>Synopsis: "Fatal trap 12" during 'devinfo -v'
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Aug 23 00:10:28 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator: Rostislav Krasny
>Release: 5.3-BETA1
>Organization:
>Environment:
FreeBSD localhost 5.3-BETA1 FreeBSD 5.3-BETA1 #0: Sat Aug 21 08:19:34 UTC 2004 root@mack.dcsl.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
>Description:
# kldload speaker
speaker0: <PC speaker> at port 0x61 on isa0
# kldunload speaker
speaker0: detached
# devinfo -v
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0xc17559b7
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc065bae4
stack pointer = 0x10:0xc859ca18
frame pointer = 0x10:0xc859ca24
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 = 470 (devinfo)
[thread 100065]
Stopped at strlcpy+0x1c: movb 0(%edx),%al
db> where
strlcpy(c859ca60,c17559b7,20) at strlcpy+0x1c
sysctl_devices(c0850b20,c859cc90,2,c859cc08,c0850b20) at sysctl_devices()+0xb8
sysctl_root(0,c859cc84,5,c859cc08,c1479dc0) at sysctl_root()+0x11b
userland_sysctl(c1479dc0,c859cc84,5,bfbfeb00,bfbfea60) at userland_sysctl()+0xec
__sysctl(c1479dc0,c859cd14,6,b,292) at __sysctl()+0x71
syscall(2f,2f,2f,5,bfbfea50) at syscall()+0x217
Xint80_syscall() at Xint80_syscall()+0x1f
--- syscall (202, FreeBSD ELF32, __sysctl), eip = 0x280c384f, esp = 0xbfbfe9ec, ebp = 0xbfbfea28 ---
db>
>How-To-Repeat:
See above
>Fix:
Not known
>Release-Note:
>Audit-Trail:
>Unformatted:
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