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Date:      Thu, 19 Nov 1998 20:29:54 -0500
From:      "Jerry Bell" <jerrybell@ili.net>
To:        <questions@FreeBSD.ORG>
Subject:   Random and frequent reboots and lockups with 3.0
Message-ID:  <199811200103.UAA08008@dagda.ili.net>

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Since I cvsup and made world about four nights ago, my FreeBSD box reboots
itself rather frequently, occaisionally hanging at the syncing disks...
message.  The message I am getting is this:
dev=0x20014, bno=44, bsize=8192, size=8192, fs=/var
panic: ffs_blkfree: bad size
syncing disks...

This is the point that it hangs at.  There is a very similar (or the same)
message when it successfully reboots. The reboots seem pretty random, so I
can't really correlate it to anything that is running, but they are
happening about 5 to 7 times a day. 
The /var slice is on da0, a 4.5GB seagate barracuda.  

Any suggestions on what might be wrong?

Thank you,

Jerry Bell
jerrybell@ili.net

Below is the output of 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-CURRENT #5: Mon Nov 16 19:45:21 EST 1998
root@wally.lan:/usr/src/sys/compile/GENERIC
Timecounter "i8254"  frequency 1193182 Hz
CPU: Cyrix 6x86MX (167.05-MHz 686-class CPU)
Origin = "CyrixInstead"  Id = 0x600  Stepping=0  DIR=0x0452
Features=0x80a135<FPU,DE,TSC,MSR,CX8,PGE,CMOV,MMX>
real memory  = 134217728 (131072K bytes)
config> quit
avail memory = 127643648 (124652K bytes)
Bad DMI table checksum!
Probing for devices on PCI bus 0:
chip0: <Host to PCI bridge (vendor=1039 device=5591)> rev 0x02 on pci0.0.0
ide_pci0: <PCI IDE controller (busmaster capable)> rev 0xd0 int a irq 0 on
pci0.
0.1
chip1: <SiS 85c503> rev 0x01 on pci0.1.0
chip2: <PCI to PCI bridge (vendor=1039 device=0001)> rev 0x00 on pci0.2.0
ahc0: <Adaptec 2940 Ultra SCSI adapter> rev 0x01 int a irq 11 on pci0.9.0
ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs
vga0: <Alliance PMAT24 SVGA controller> rev 0x00 on pci0.10.0
ed1: <NE2000 PCI Ethernet (RealTek 8029)> rev 0x00 int a irq 10 on
pci0.11.0
ed1: address 00:80:c8:c1:2d:18, type NE2000 (16 bit)
Probing for devices on PCI bus 1:
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
ed0 at 0x300-0x31f irq 10 on isa
ed0: address 08:00:17:08:da:ac, type NE2000 (16 bit)
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
mse0 not found at 0x23c
psm0 not found at 0x60
fdc0: direction bit not set
fdc0: cmd 3 failed at out byte 1 of 3
fdc0 not found at 0x3f0
wdc0 at 0x1f0-0x1f7 irq 14 flags 0xa0ffa0ff on isa
ide_pci: generic_dmainit 01f0:1: warning, IDE controller timing not set
wdc0: unit 0 (wd0): <Maxtor 83240D4>, DMA, 32-bit, multi-block-16
wd0: 3089MB (6327720 sectors), 6696 cyls, 15 heads, 63 S/T, 512 B/S
wdc1 at 0x170-0x177 irq 15 flags 0xa0ffa0ff on isa
wdc1: unit 0 (wd2): <WDC AC1210F>, 32-bit, multi-block-16
wd2: 202MB (415380 sectors), 989 cyls, 12 heads, 35 S/T, 512 B/S
wt0 not probed due to I/O address conflict with ed0 at 0x300
mcd0 not probed due to I/O address conflict with ed0 at 0x300
matcdc0 not found at 0x230
scd0 not found at 0x230
adv0 not found at 0x330
bt0 not found at 0x134
aha0 not found at 0x134
npx0 on motherboard
npx0: INT 16 interface
IP packet filtering initialized, divert disabled, rule-based forwarding
disabled
, logging disabled
Waiting 15 seconds for SCSI devices to settle
changing root device to da0s1a
da1 at ahc0 bus 0 target 2 lun 0
da1: <QUANTUM VIKING 4.5 SCA 8610> Fixed Direct Access SCSI2 device
da1: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da1: 4345MB (8899737 512 byte sectors: 255H 63S/T 553C)
da0 at ahc0 bus 0 target 0 lun 0
da0: <SEAGATE ST34572W 0876> Fixed Direct Access SCSI2 device
da0: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
da0: 4340MB (8888924 512 byte sectors: 255H 63S/T 553C)
WARNING: / was not properly dismounted

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