Date: Fri, 12 Jan 2001 18:40:02 -0800 (PST) From: Gardner Buchanan <gbuchana@home.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/20631 kernel panics on ifconfig if_le Message-ID: <200101130240.f0D2e2Q51223@freefall.freebsd.org>
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The following reply was made to PR kern/20631; it has been noted by GNATS.
From: Gardner Buchanan <gbuchana@home.com>
To: freebsd-gnats-submit@FreeBSD.org
Cc:
Subject: Re: kern/20631 kernel panics on ifconfig if_le
Date: Fri, 12 Jan 2001 21:32:50 -0500 (EST)
Okay, I've finally gotten the time to build a system to fiddle with this.
I'm running 4.2-STABLE cvsupped on 7-Jan-2001
This problem is still present. I've collected the probe/attach messages from a
boot -v:
----------
le0 at port 0x300-0x31f iomem 0xd0000-0xd07ff irq 5 drq 0 on isa0
le0: DE204-AB ethernet address 08:00:2b:9d:57:91
bpf: le0 attached
le0: driver is using old-style compatability shims
le0 XXX: driver didn't set ifq_maxlen
-----------
Kernel debug stack trace:
-----------
(kgdb) symbol-file kernel.debug
Reading symbols from kernel.debug...done.
(kgdb) exec-file /var/crash/kernel.0
(kgdb) core-file /var/crash/vmcore.0
IdlePTD 3489792
initial pcb at 2c8a00
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x0
fault code = supervisor read, page not present
instruction pointer = 0x8:0x0
stack pointer = 0x10:0xc4507d6c
frame pointer = 0x10:0xc4507d80
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 = 16 (ifconfig)
interrupt mask = net tty
trap number = 12
panic: page fault
syncing disks...
done
Uptime: 2m14s
dumping to dev #da/0x20009, offset 92656
dump 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
---
#0 dumpsys () at /home/gardner/stable/src/sys/kern/kern_shutdown.c:469
469 if (dumping++) {
(kgdb) where
#0 dumpsys () at /home/gardner/stable/src/sys/kern/kern_shutdown.c:469
#1 0xc014f15b in boot (howto=256)
at /home/gardner/stable/src/sys/kern/kern_shutdown.c:309
#2 0xc014f4d8 in poweroff_wait (junk=0xc029b72f, howto=-1004444608)
at /home/gardner/stable/src/sys/kern/kern_shutdown.c:556
#3 0xc025ee69 in trap_fatal (frame=0xc4507d2c, eva=0)
at /home/gardner/stable/src/sys/i386/i386/trap.c:951
#4 0xc025eb41 in trap_pfault (frame=0xc4507d2c, usermode=0, eva=0)
at /home/gardner/stable/src/sys/i386/i386/trap.c:844
#5 0xc025e6fb in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16, tf_edi = 0,
tf_esi = -1064831616, tf_ebp = -1001357952, tf_isp = -1001357992,
tf_ebx = -1070732032, tf_edx = -2145359604, tf_ecx = -1001357652,
tf_eax = 0, tf_trapno = 12, tf_err = 0, tf_eip = 0, tf_cs = 8,
tf_eflags = 66118, tf_esp = -1072100554, tf_ss = -1070732032})
at /home/gardner/stable/src/sys/i386/i386/trap.c:443
#6 0x0 in ?? ()
------------
============================================================
Gardner Buchanan <gbuchana@home.com>
Ottawa, ON FreeBSD: Where you want to go. Today.
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