Date: Fri, 5 Mar 2004 00:12:02 +0000 From: Ben Paley <ben@spooty.net> To: "freebsd -current@" <freebsd-current@freebsd.org> Subject: PANIC - kernconf.c? [a -current newbie writes] Message-ID: <200403050012.02729.ben@spooty.net>
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Hello,
All new sources as of the evening of the 3rd. I get a kernel panic before
login but after rc.conf turns dumping on, so I've got a core dump. Here's
some output from gdb: I hope it's useful. Let me know what else to post if
this isn't enough.
#####################################################################
<warranty stuff snipped>
panic: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x29
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc05e5f05
stack pointer = 0x10:0xd7654bf8
frame pointer = 0x10:0xd7654c04
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 = 474 (kldload)
trap number = 12
panic: page fault
at line 819 in file /usr/src/sys/i386/i386/trap.c
syncing disks, buffers remaining... 3022 3022 3022 3022 3022 3022 3022 3022
3022 3022 3022 3022 3022 3022 3022 ad1: WARNING - WRITE_DMA interrupt was
seen but timeout fired LBA=768415
3022 3022 3022 3022 3022
giving up on 2774 buffers
Uptime: 47s
Dumping 383 MB
16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304 320 336
352 368
---
warning: cannot find file for module rtc.ko
Error while mapping shared library sections:
rtc.ko: No such file or directory.
Reading symbols from /usr/obj/usr/src/sys/POTATO/modules/usr/src/sys/modules/
acpi/acpi.ko...done.
Loaded symbols for /usr/obj/usr/src/sys/POTATO/modules/usr/src/sys/modules/
acpi/acpi.ko
Reading symbols from /usr/obj/usr/src/sys/POTATO/modules/usr/src/sys/modules/
linprocfs/linprocfs.ko.debug...done.
Loaded symbols for /usr/obj/usr/src/sys/POTATO/modules/usr/src/sys/modules/
linprocfs/linprocfs.ko.debug
Reading symbols from /usr/obj/usr/src/sys/POTATO/modules/usr/src/sys/modules/
linux/linux.ko.debug...done.
Loaded symbols for /usr/obj/usr/src/sys/POTATO/modules/usr/src/sys/modules/
linux/linux.ko.debug
Reading symbols from /boot/kernel/warp_saver.ko...done.
Loaded symbols for /boot/kernel/warp_saver.ko
Error while reading shared library symbols:
rtc.ko: No such file or directory.
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
240 dumping++;
(kgdb) where
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
#1 0xc05ff47e in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:374
#2 0xc05ff6f7 in __panic () at /usr/src/sys/kern/kern_shutdown.c:552
#3 0xc0761b1c in trap_fatal (frame=0xd7654bb8, eva=41) at /usr/src/sys/i386/
i386/trap.c:819
#4 0xc0761853 in trap_pfault (frame=0xd7654bb8, usermode=0, eva=41) at /usr/
src/sys/i386/i386/trap.c:733
#5 0xc07614d5 in trap (frame=
{tf_fs = -1067384808, tf_es = -1011286000, tf_ds = -1067384816, tf_edi =
-1011274368, tf_esi = -1064728012, tf_ebp = -681227260, tf_isp = -681227292,
tf_ebx = -1064728176, tf_edx = 1, tf_ecx = -681227312, tf_eax = -1064728140,
tf_trapno = 12, tf_err = 2, tf_eip = -1067557115, tf_cs = 8, tf_eflags =
66050, tf_esp = 0, tf_ss = -1011274312})
at /usr/src/sys/i386/i386/trap.c:420
#6 0xc05e5f05 in make_dev (devsw=0xc3b92d80, minornr=0, uid=0, gid=0,
perms=0, fmt=0xc3b91cf8 "rtc") at /usr/src/sys/kern/kern_conf.c:510
#7 0xc3b91ad3 in ?? ()
#8 0xc3b91b21 in ?? ()
#9 0xc05f7f92 in module_register_init (arg=0xc3b92db8) at /usr/src/sys/kern/
kern_module.c:108
#10 0xc05f38d9 in linker_file_sysinit (lf=0xc3b8fa00) at /usr/src/sys/kern/
kern_linker.c:192
#11 0xc05f3b8d in linker_load_file (filename=0xc37f9320 "/usr/local/modules/
rtc.ko", result=0xd7654cb0) at /usr/src/sys/kern/kern_linker.c:357
#12 0xc05f5be3 in linker_load_module (kldname=0xc37f9320 "/usr/local/modules/
rtc.ko", modname=0x0, parent=0x0, verinfo=0x0, lfpp=0xd7654cdc)
at /usr/src/sys/kern/kern_linker.c:1670
#13 0xc05f4583 in kldload (td=0xc38ed000, uap=0x0) at /usr/src/sys/kern/
kern_linker.c:773
#14 0xc0761dab in syscall (frame=
{tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 0, tf_esi = -1077940560,
tf_ebp = -1077940636, tf_isp = -681226892, tf_ebx = 0, tf_edx = -1077940564,
tf_ecx = 2, tf_eax = 304, tf_trapno = 12, tf_err = 2, tf_eip = 671870127,
tf_cs = 31, tf_eflags = 658, tf_esp = -1077940692, tf_ss = 47}) at /usr/src/
sys/i386/i386/trap.c:1008
#15 0x280becaf in ?? ()
---Can't read userspace from dump, or kernel process---
(kgdb) up 6
#6 0xc05e5f05 in make_dev (devsw=0xc3b92d80, minornr=0, uid=0, gid=0,
perms=0, fmt=0xc3b91cf8 "rtc") at /usr/src/sys/kern/kern_conf.c:510
510 LIST_INSERT_HEAD(&devsw->d_devs, dev, si_list);
(kgdb) p &devsw
Can't take address of "devsw" which isn't an lvalue.
(kgdb) p &devsw d_devs
No symbol "d_devs" in current context.
(kgdb) p d_devs [1P[1P
$1 = 0xc0898990
(kgdb) p dev[4h*[4l
$2 = {si_flags = 5, si_atime = {tv_sec = 1078442981, tv_nsec = 904214000},
si_ctime = {tv_sec = 1078443014, tv_nsec = 0}, si_mtime = {tv_sec =
1078443014, tv_nsec = 0},
si_udev = 0, si_refcount = 4, si_list = {le_next = 0x1, le_prev =
0xc083be24}, si_clone = {le_next = 0x0, le_prev = 0x0}, si_hash = {le_next =
0xc0898438,
le_prev = 0xc089a9d4}, si_hlist = {slh_first = 0xc38f7820}, si_children =
{lh_first = 0x0}, si_siblings = {le_next = 0x0, le_prev = 0x0}, si_parent =
0x0, si_inode = 15,
si_name = 0xc0898a34 "rtc", si_drv1 = 0x0, si_drv2 = 0x0, si_devsw =
0xc3b92d80, si_iosize_max = 65536, si_stripesize = 0, si_stripeoffset = 0,
si_uid = 0, si_gid = 0,
si_mode = 420, si_usecount = 3, __si_u = {__si_tty = {__sit_tty = 0x0},
__si_disk = {__sid_mountpoint = 0x0, __sid_bsize_phys = 0, __sid_bsize_best =
0, __sid_snapshots = {
tqh_first = 0x0, tqh_last = 0xc0898a1c}, __sid_snaplistsize = 0,
__sid_snapblklist = 0x0, __sid_copyonwrite = 0}}, __si_namebuf = "rtc\0ole",
'\0' <repeats 56 times>}
(kgdb) p si_list
No symbol "si_list" in current context.
(kgdb) quit
#####################################################################
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