Date: Fri, 12 Dec 2003 11:39:01 -0500 From: "Robin P. Blanchard" <robin.blanchard@gactr.uga.edu> To: <current@freebsd.org> Subject: LOR panic at boot with sources from this morning. Message-ID: <EE3D3FBAFFCAED448C21C398FDAD91AC01338EA0@EBE1.gc.nat>
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I'm running on the following combo (kernel & modules from 29 november) =
to be
in business in the meantime.
# uname -a
FreeBSD bsdfs5.gactr.uga.edu 5.2-BETA FreeBSD 5.2-BETA #0: Sat Nov 29
10:48:15 EST 2003 root@bsdfs5.gactr.uga.edu:/usr/obj/usr/src/sys/ule
i386
# kldstat=20
Id Refs Address Size Name
1 8 0xc0400000 323e30 kernel
2 2 0xc0724000 1ac7c miibus.ko
3 1 0xc073f000 b294 if_fxp.ko
4 1 0xc074b000 a2f0 twe.ko
6 1 0xc07a3000 3557c nfsclient.ko
7 1 0xc07d9000 1d508 nfsserver.ko
-----
lock order reversal
1st 0xc06acc80 sched lock (sched lock) @ =
/usr/src/sys/kern/sched_ule.c:1465
2nd 0xc06e1720 sio (sio) @ /usr/src/sys/dev/sio/sio.c:3203
Stack backtrace:
backtrace(c0663617,c06e1720,c069b4e0,c069b4e0,c066f303) at =
backtrace+0x17
witness_lock(c06e1720,8,c066f303,c83,3f8) at witness_lock+0x5aa
_mtx_lock_spin_flags(c06e1720,0,c066f303,c83,ffffffff) at
_mtx_lock_spin_flags+0
x8a
siocnputc(c069b660,6b,5,d7657b60,6b) at siocnputc+0x81
cnputc(6b,ffffffff,1,c1906500,c0672f92) at cnputc+0x7a
putchar(6b,d7657b60,ffffffff,ffffffff,ffffffff) at putchar+0x6c
kvprintf(c0672f91,c052a870,d7657b60,a,d7657b80) at kvprintf+0x8d
printf(c0672f91,c,c065f1da,1a1,c18fd000) at printf+0x57
trap(c06f0018,10,c06f0010,1,0) at trap+0xd7
calltrap() at calltrap+0x5
--- trap 0xc, eip =3D 0xc060fda0, esp =3D 0xd7657c04, ebp =3D 0xd7657c10 =
---
lapic_ipi_wait(f4240,d7657c38,0,1,d7657c44) at lapic_ipi_wait+0x30
lapic_ipi_vectored(f3,0,c1901360,0,c06aeee0) at lapic_ipi_vectored+0x4f
ipi_selected(1,f3) at ipi_selected+0x25
kseq_notify(c1901360,0,c1901360,3,c4369000) at kseq_notify+0x7e
kseq_transfer(c06aeee0,c1901360,3,c06aeee0,c0661c23) at =
kseq_transfer+0xc1
sched_add(c4369000,c06aeee0,d7657cdc,c051ee88,c06aeee0) at =
sched_add+0x165
kseq_assign(c06aeee0,0,c0661c23,5b9,c066dfd4) at kseq_assign+0x42
sched_runnable(c06acc80,0,c066dfd4,a0,d7657d10) at sched_runnable+0x58
vm_pagezero(0,d7657d48,c065f093,311,ffffffff) at vm_pagezero+0xfd
fork_exit(c05de560,0,d7657d48) at fork_exit+0x7e
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip =3D 0, esp =3D 0xd7657d7c, ebp =3D 0 ---
Debugger("witness_lock")
Stopped at Debugger+0x55: xchgl %ebx,in_Debugger.0
db> show locks
exclusive spin mutex sched lock r =3D 0 (0xc06acc80) locked @
/usr/src/sys/kern/sc
hed_ule.c:1465
db> cont
kernel trap 12 with interrupts disabled
Fatal trap 12: page fault while in kernel mode
cpuid =3D 0; apic id =3D 00
fault virtual address =3D 0x300
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xc060fda0
stack pointer =3D 0x10:0xd7657c04
frame pointer =3D 0x10:0xd7657c10
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D resume, IOPL =3D 0
current process =3D 39 (pagezero)
kernel: type 12 trap, code=3D0
Stopped at lapic_ipi_wait+0x30: movl 0x300(%ebx),%eax
db> cont
panic: blockable sleep lock (sleep mutex) process lock @
/usr/src/sys/i386/i386/
trap.c:706
cpuid =3D 0;
Stack backtrace:
backtrace(c0643228,0,c0663486,d7657ae4,100) at backtrace+0x17
panic(c0663486,c066d24f,c06606b1,c0672ff4,2c2) at panic+0x141
witness_lock(c43df77c,8,c0672ff4,2c2,c43df77c) at witness_lock+0xa0
_mtx_lock_flags(c43df77c,0,c0672ff4,2c2,c1906500) at =
_mtx_lock_flags+0x6a
trap_pfault(d7657bc4,0,300,1a1,300) at trap_pfault+0x9b
trap(18,10,10,1,0) at trap+0x2fd
calltrap() at calltrap+0x5
--- trap 0xc, eip =3D 0xc060fda0, esp =3D 0xd7657c04, ebp =3D 0xd7657c10 =
---
lapic_ipi_wait(f4240,d7657c38,0,1,d7657c44) at lapic_ipi_wait+0x30
lapic_ipi_vectored(f3,0,c1901360,0,c06aeee0) at lapic_ipi_vectored+0x4f
ipi_selected(1,f3) at ipi_selected+0x25
kseq_notify(c1901360,0,c1901360,3,c4369000) at kseq_notify+0x7e
kseq_transfer(c06aeee0,c1901360,3,c06aeee0,c0661c23) at =
kseq_transfer+0xc1
sched_add(c4369000,c06aeee0,d7657cdc,c051ee88,c06aeee0) at =
sched_add+0x165
kseq_assign(c06aeee0,0,c0661c23,5b9,c066dfd4) at kseq_assign+0x42
sched_runnable(c06acc80,0,c066dfd4,a0,d7657d10) at sched_runnable+0x58
vm_pagezero(0,d7657d48,c065f093,311,ffffffff) at vm_pagezero+0xfd
fork_exit(c05de560,0,d7657d48) at fork_exit+0x7e
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip =3D 0, esp =3D 0xd7657d7c, ebp =3D 0 ---
Debugger("panic")
Stopped at Debugger+0x55: xchgl %ebx,in_Debugger.0
db> panic
panic: from debugger
cpuid =3D 0;
Uptime: 2s
twe0: failed to delete unit 0
Shutting down ACPI
0xc43ceaa8 Len 0028 utalloc-255 [Operand] Notify R%hd
0xc43d4828 Len 0028 utalloc-255 [Operand] Integer R%hd
---------------------------------------
Robin P. Blanchard
Systems Integration Specialist
Georgia Center for Continuing Education
fon: 706.542.2404 < > fax: 706.542.6546
---------------------------------------
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