Date: Tue, 27 Dec 2005 00:00:23 GMT From: Gleb Smirnoff <glebius@FreeBSD.org> To: freebsd-bugs@FreeBSD.org Subject: kern/90237 Message-ID: <200512270000.jBR00NFY088586@freefall.freebsd.org>
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The following reply was made to PR kern/90237; it has been noted by GNATS.
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: freebsd-gnats-submit@FreeBSD.org
Cc:
Subject: kern/90237
Date: Tue, 27 Dec 2005 02:59:16 +0300
----- Forwarded message from Emil Huseynli <boxforsubscribe@mail.ru> -----
backtrace of the panic:
neverland# kgdb kernel.debug /var/crash/vmcore.0
[GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Unde
fined symbol "ps_pglobal_lookup"]
GNU gdb 6.1.1 [FreeBSD]
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Type "show copying" to see the conditions.
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This GDB was configured as "i386-marcel-freebsd".
Unread portion of the kernel message buffer:
drm0: <SiS 630> port 0xa800-0xa87f mem 0xf0000000-0xf7ffffff,0xe9800000-0xe981ff
ff irq 11 at device 0.0 on pci1
info: [drm] AGP at 0xec000000 64MB
info: [drm] Initialized sis 1.1.0 20030826 on minor 0
kernel trap 12 with interrupts disabled
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x74
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc04fc111
stack pointer = 0x28:0xcf6e9a5c
frame pointer = 0x28:0xcf6e9a60
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = resume, IOPL = 3
current process = 496 (Xorg)
trap number = 12
panic: page fault
Uptime: 55s
Dumping 223 MB (2 chunks)
chunk 0: 1MB (159 pages) ... ok
chunk 1: 223MB (57084 pages) 208 192 176 (CTRL-C to abort) 160 (CTRL-C to abo
rt) 144 128 (CTRL-C to abort) 112 (CTRL-C to abort) 96 (CTRL-C to abort) 80
(CTRL-C to abort) 64 48 (CTRL-C to abort) 32 (CTRL-C to abort) 16
#0 doadump () at pcpu.h:165
165 __asm __volatile("movl %%fs:0,%0" : "=r" (td));
(kgdb) bt
#0 doadump () at pcpu.h:165
#1 0xc04dc5c6 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:399
#2 0xc04dc85c in panic (fmt=0xc0667f88 "%s")
at /usr/src/sys/kern/kern_shutdown.c:555
#3 0xc0649278 in trap_fatal (frame=0xcf6e9a1c, eva=116)
at /usr/src/sys/i386/i386/trap.c:831
#4 0xc0648a5e in trap (frame=
{tf_fs = -1068367864, tf_es = -980877272, tf_ds = 40, tf_edi = -1055567872
, tf_esi = -1055075968, tf_ebp = -814835104, tf_isp = -814835128, tf_ebx = -1055
078976, tf_edx = -1055078976, tf_ecx = 0, tf_eax = -1055075936, tf_trapno = 12,
tf_err = 0, tf_eip = -1068515055, tf_cs = 32, tf_eflags = 77831, tf_esp = -10550
75968, tf_ss = -814835068}) at /usr/src/sys/i386/i386/trap.c:267
#5 0xc0638d2a in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#6 0xc04fc111 in turnstile_setowner (ts=0xc11cc5c0, owner=0x0)
at /usr/src/sys/kern/subr_turnstile.c:417
#7 0xc04fc408 in turnstile_wait (lock=0xc11550a0, owner=0x0)
at /usr/src/sys/kern/subr_turnstile.c:576
#8 0xc04d3e30 in _mtx_lock_sleep (m=0xc11550a0, tid=3239891328, opts=0,
file=0xc1587874 "/usr/src/sys/modules/drm/drm/../../../dev/drm/drm_vm.c",
line=54) at /usr/src/sys/kern/kern_mutex.c:553
#9 0xc04d3c94 in _mtx_lock_flags (m=0x0, opts=0,
file=0xc1587874 "/usr/src/sys/modules/drm/drm/../../../dev/drm/drm_vm.c",
line=54) at /usr/src/sys/kern/kern_mutex.c:274
#10 0xc15862b7 in ?? ()
---Type <return> to continue, or q <return> to quit---
#11 0xc11550a0 in ?? ()
#12 0x00000000 in ?? ()
#13 0xc1587874 in ?? ()
#14 0x00000036 in ?? ()
#15 0xc11550e8 in ?? ()
#16 0xc12bcc00 in ?? ()
#17 0xc1575000 in ?? ()
#18 0xc1588c80 in ?? ()
#19 0xcf6e9b00 in ?? ()
#20 0xc04b44cf in giant_mmap (dev=0xc11550a0, offset=3243724800,
paddr=0xcf6e9b28, nprot=3) at /usr/src/sys/kern/kern_conf.c:349
Previous frame identical to this frame (corrupt stack?)
(kgdb)
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