Date: Sun, 4 Oct 1998 22:13:24 +0200 From: Martin Cracauer <cracauer@cons.org> To: current@FreeBSD.ORG Subject: Timeout SCB handled by another timeout (kernel from saturday) Message-ID: <19981004221324.A5471@cons.org>
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My machine stopped making the world with a current kernel the night
from saturday to sunday.
It's onboard 7880 with an older seagate disk (elite) on an Dual P5
(see dmesg below). It usually counts as reliable. No unusal activity
happend that night (other drives at the bus were not used).
Timeout SCB handled by another timeout
swap_pager: indefinite wait in buffer ...
I broke to the bebugger, this is the backtrace (doesn't look useful,
tough):
IdlePTD 2805760
initial pcb at 24ce24
panicstr: from debugger
panic messages:
---
panic: from debugger
mp_lock = 01000002; cpuid = 1; lapic.id = 01000000
boot() called on cpu#1
syncing disks...
Fatal trap 12: page fault while in kernel mode
mp_lock = 01000003; cpuid = 1; lapic.id = 01000000
fault virtual address = 0xb8
fault code = supervisor read, page not present
instruction pointer = 0x8:0xf013c8f7
stack pointer = 0x10:0xff804cbc
frame pointer = 0x10:0xff804cd0
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 = Idle
interrupt mask = bio <- SMP: XXX
panic: from debugger
mp_lock = 01000003; cpuid = 1; lapic.id = 01000000
boot() called on cpu#1
dumping to dev 401, offset 131072
dump 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43
42 41 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 boot (howto=260) at ../../kern/kern_shutdown.c:268
268 dumppcb.pcb_cr3 = rcr3();
(kgdb) bt
#0 boot (howto=260) at ../../kern/kern_shutdown.c:268
#1 0xf013abc4 in panic (fmt=0xf0115cb8 "from debugger")
at ../../kern/kern_shutdown.c:430
#2 0xf0115cd5 in db_panic (addr=-266384575, have_addr=0, count=-1,
modif=0xff804e30 "") at ../../ddb/db_command.c:432
#3 0xf0115bb5 in db_command (last_cmdp=0xf02364c4,
cmd_table=0xf0236324,
aux_cmd_tablep=0xf024a010) at ../../ddb/db_command.c:332
#4 0xf0115d42 in db_command_loop () at ../../ddb/db_command.c:454
#5 0xf0118453 in db_trap (type=3, code=0) at ../../ddb/db_trap.c:71
#6 0xf01f48d4 in kdb_trap (type=3, code=0, regs=0xff804f20)
at ../../i386/i386/db_interface.c:157
#7 0xf0206128 in trap (frame={tf_es = 16, tf_ds = 16, tf_edi =
-1073741824,
tf_esi = 1, tf_ebp = -8368284, tf_isp = -8368312, tf_ebx = 110,
tf_edx = -266384628, tf_ecx = 980, tf_eax = 16, tf_trapno = 3,
tf_err = 0, tf_eip = -266384575, tf_cs = 8, tf_eflags = 582,
tf_esp = -266384644, tf_ss = -266213389}) at
../../i386/i386/trap.c:507
#8 0xf01f4b41 in Debugger (msg=0xf021e7f3 "kbd")
at ../../i386/i386/db_interface.c:316
#9 0xf021e995 in sgetc (noblock=1) at
../../i386/isa/pcvt/pcvt_kbd.c:1751
#10 0xf021a4af in pcvt_timeout (arg=0x0) at
../../i386/isa/pcvt/pcvt_drv.c:813
#11 0xf013ed43 in softclock () at ../../kern/kern_timeout.c:124
/var/crash(wings)7# dmesg
Copyright (c) 1992-1998 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights
reserved.
FreeBSD 3.0-BETA #3: Sat Oct 3 18:27:19 MEST 1998
cracauer@wings.cons.org:/usr/src/sys/compile/WINGS
Timecounter "i8254" frequency 1193182 Hz cost 2763 ns
CPU: Pentium/P54C (586-class CPU)
Origin = "GenuineIntel" Id = 0x52c Stepping=12
Features=0x3bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,APIC>
real memory = 67108864 (65536K bytes)
avail memory = 62492672 (61028K bytes)
Programming 24 pins in IOAPIC #0
FreeBSD/SMP: Multiprocessor motherboard
cpu0 (BSP): apic id: 0, version: 0x00030010, at 0xfee00000
cpu1 (AP): apic id: 1, version: 0x00030010, at 0xfee00000
io0 (APIC): apic id: 2, version: 0x00170011, at 0xfec00000
Probing for devices on PCI bus 0:
chip0: <Intel 82439> rev 0x03 on pci0.0.0
chip1: <Intel 82371SB PCI to ISA bridge> rev 0x01 on pci0.7.0
ide_pci0: <Intel PIIX3 Bus-master IDE controller> rev 0x00 on pci0.7.1
de0: <Digital 21041 Ethernet> rev 0x11 int a irq 17 on pci0.9.0
de0: SMC 21041 [10Mb/s] pass 1.1
de0: address 00:e0:29:09:8c:67
ncr0: <ncr 53c810a fast10 scsi> rev 0x11 int a irq 18 on pci0.10.0
vga0: <S3 968 graphics accelerator> rev 0x00 int a irq 9 on pci0.11.0
ahc0: <Adaptec aic7880 Ultra SCSI adapter> rev 0x00 int a irq 19 on
pci0.12.0
ahc0: Using left over BIOS settings
ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs
Probing for devices on the ISA bus:
vt0 at 0x60-0x6f irq 1 on motherboard
vt0: unkown s3, 80 col, color, 8 scr, mf2-kbd, [R3.20-b24]
ed0 not found at 0x280
sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
lpt1 not found
psm0 at 0x60-0x64 irq 12 on motherboard
psm0: model Generic PS/2 mouse, device ID 0
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
fd0: 1.44MB 3.5in
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <ST33221A>
wd0: 3077MB (6303024 sectors), 6253 cyls, 16 heads, 63 S/T, 512 B/S
ep0 not found at 0x300
aha0 not found
npx0 on motherboard
npx0: INT 16 interface
joy0 at 0x201 on isa
joy0: joystick
Intel Pentium F00F detected, installing workaround
APIC_IO: Testing 8254 interrupt delivery
APIC_IO: routing 8254 via pin 2
ccd0-3: Concatenated disk drivers
SMP: AP CPU #1 Launched!
de0: enabling BNC port
pass0 at ncr0 bus 0 target 3 lun 0
pass0: <SCANNER 2.00> Fixed Scanner SCSI1 device
pass0: 3.300MB/s transfers
changing root device to da0s1a
cd1 at ahc0 bus 0 target 6 lun 0
cd1: <NEC CD-ROM DRIVE:501 2.3> Removable CD-ROM SCSI2 device
cd1: 3.300MB/s transfers
cd1: cd present [147191 x 2048 byte records]
da0 at ahc0 bus 0 target 0 lun 0
da0: <SEAGATE ST43400N 1022> Fixed Direct Access SCSI2 device
da0: 10.0MB/s transfers (10.0MHz, offset 15), Tagged Queueing Enabled
da0: 2777MB (5688447 512 byte sectors: 64H 32S/T 2777C)
(da0:ahc0:0:0:0): tagged openings now 16
cd0 at ncr0 bus 0 target 6 lun 0
cd0: <YAMAHA CRW2260 1.0g> Removable CD-ROM SCSI2 device
cd0: 3.300MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not
present - tray closed
--
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Martin Cracauer <cracauer@cons.org> http://www.cons.org/cracauer
Tel.: (private) +4940 5221829 Fax.: (private) +4940 5228536
Paper: (private) Waldstrasse 200, 22846 Norderstedt, Germany
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