Date: Tue, 9 Jul 1996 19:25:27 -0500 (CDT) From: Bob Dunaway <bob@rdsw.com> To: questions@freebsd.org Subject: STABLE Kernel Crashes Message-ID: <199607100025.TAA21232@rdsw.com>
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The STABLE kernel version dated June 17 has been running fine. I compiled
a STABLE kernel about June 26 and it did a panic during the boot. I built
a CURRENT kernel on June 27 and it ran fine. I then built a new STABLE
kernel on June 28 an it did a panic during boot. I built another STABLE
kernel on July 1. After it booted, it corrupted the root partition, and
after trying to fsck the partition, it gave up and quit. I had to reload
the system from the 2.1.0 RELEASE and restore from tape. On July 9, I built
another STABLE kernel. When I booted it, numerous directories were either
deleted, converted to files, or lost the directory information (showed
in ls listing but not ls -l). They could not be deleted but could be
renamed. I was able to repair the damage with fsck and restore lost data
from tape. Among the corrupted directories were /var/at, /var/backups,
/var/run, /var/mail, /var/tmp, /var/spool/lock, /var/spool/output, /tmp,
and /etc/ppp. The June 17 STABLE kernel still ran fine. I turned off the
external cache for the CPU and tried booting the July 9 kernel. It ran
fine with external cache turned off. I have a Sanyo 486-DX2-66 with
256K of cache memory and 16 megs of RAM. The July 9 kernel was built
using the GENERIC configuration with a new name and the 386 and 586
options commented out. I have included the configuration file and the
dmesg output after disabling the cache.
#
# GENERIC -- Generic machine with WD/AHx/NCR/BTx family disks
#
# $Id: GENERIC,v 1.46.2.12 1996/07/08 23:01:41 jkh Exp $
#
machine "i386"
#cpu "I386_CPU"
cpu "I486_CPU"
#cpu "I586_CPU"
ident HTI
maxusers 10
options MATH_EMULATE #Support for x87 emulation
options INET #InterNETworking
options FFS #Berkeley Fast Filesystem
options NFS #Network Filesystem
options MSDOSFS #MSDOS Filesystem
options "CD9660" #ISO 9660 Filesystem
options PROCFS #Process filesystem
options "COMPAT_43" #Compatible with BSD 4.3
options "SCSI_DELAY=15" #Be pessimistic about Joe SCSI device
options BOUNCE_BUFFERS #include support for DMA bounce buffers
options UCONSOLE #Allow users to grab the console
options SYSVSHM
options SYSVSEM
options SYSVMSG
config kernel root on wd0
controller isa0
controller eisa0
controller pci0
controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
disk fd0 at fdc0 drive 0
disk fd1 at fdc0 drive 1
tape ft0 at fdc0 drive 2
controller wdc0 at isa? port "IO_WD1" bio irq 14 vector wdintr
disk wd0 at wdc0 drive 0
disk wd1 at wdc0 drive 1
controller wdc1 at isa? port "IO_WD2" bio irq 15 vector wdintr
disk wd2 at wdc1 drive 0
disk wd3 at wdc1 drive 1
options ATAPI #Enable ATAPI support for IDE bus
device wcd0 #IDE CD-ROM
controller ncr0
controller ahb0
controller ahc0
controller ahc1
controller bt0 at isa? port "IO_BT0" bio irq ? vector bt_isa_intr
controller uha0 at isa? port "IO_UHA0" bio irq ? drq 5 vector uhaintr
controller aha0 at isa? port "IO_AHA0" bio irq ? drq 5 vector ahaintr
controller aic0 at isa? port 0x340 bio irq 11 vector aicintr
controller nca0 at isa? port 0x1f88 bio irq 10 vector ncaintr
controller nca1 at isa? port 0x350 bio irq 5 vector ncaintr
controller sea0 at isa? bio irq 5 iomem 0xc8000 iosiz 0x2000 vector seaintr
controller scbus0
device sd0
device st0
device cd0 #Only need one of these, the code dynamically grows
device wt0 at isa? port 0x300 bio irq 5 drq 1 vector wtintr
device mcd0 at isa? port 0x300 bio irq 10 vector mcdintr
device mcd1 at isa? port 0x340 bio irq 11 vector mcdintr
controller matcd0 at isa? port 0x230 bio
device scd0 at isa? port 0x230 bio
# syscons is the default console driver, resembling an SCO console
device sc0 at isa? port "IO_KBD" tty irq 1 vector scintr
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device vt0 at isa? port "IO_KBD" tty irq 1 vector pcrint
#options "PCVT_FREEBSD=210" # pcvt running on FreeBSD 2.1
#options XSERVER # include code for XFree86
# If you have a ThinkPAD, uncomment this along with the rest of the PCVT lines
#options PCVT_SCANSET=2 # IBM keyboards are non-std
# Mandatory, don't remove
device npx0 at isa? port "IO_NPX" irq 13 vector npxintr
#
# Laptop support (see LINT for more options)
#
#device apm0 at isa? # Advanced Power Management
#options APM_BROKEN_STATCLOCK # Workaround some buggy APM BIOS
device sio0 at isa? port "IO_COM1" tty irq 4 vector siointr
device sio1 at isa? port "IO_COM2" tty irq 3 vector siointr
device sio2 at isa? port "IO_COM3" tty irq 5 vector siointr
device sio3 at isa? port "IO_COM4" tty irq 9 vector siointr
device lpt0 at isa? port? tty irq 7 vector lptintr
device lpt1 at isa? port? tty
device lpt2 at isa? port? tty
device mse0 at isa? port 0x23c tty irq 5 vector mseintr
#device psm0 at isa? port "IO_KBD" conflicts tty irq 12 vector psmintr
# Order is important here due to intrusive probes, do *not* alphabetize
# this list of network interfaces until the probes have been fixed.
# Right now it appears that the ie0 must be probed before ep0. See
# revision 1.20 of this file.
device de0
device ed0 at isa? port 0x280 net irq 5 iomem 0xd8000 vector edintr
device ed1 at isa? port 0x300 net irq 5 iomem 0xd8000 vector edintr
device ie0 at isa? port 0x360 net irq 7 iomem 0xd0000 vector ieintr
device ep0 at isa? port 0x300 net irq 10 vector epintr
device ix0 at isa? port 0x300 net irq 10 iomem 0xd0000 iosiz 32768 vector ixintr
device le0 at isa? port 0x300 net irq 5 iomem 0xd0000 vector le_intr
device lnc0 at isa? port 0x280 net irq 10 drq 0 vector lncintr
device lnc1 at isa? port 0x300 net irq 10 drq 0 vector lncintr
device ze0 at isa? port 0x300 net irq 5 iomem 0xd8000 vector zeintr
device zp0 at isa? port 0x300 net irq 10 iomem 0xd8000 vector zpintr
pseudo-device loop
pseudo-device ether
pseudo-device log
pseudo-device sl 1
# ijppp uses tun instead of ppp device
#pseudo-device ppp 1
pseudo-device tun 1
pseudo-device pty 16
pseudo-device gzip # Exec gzipped a.out's
FreeBSD 2.1-STABLE #0: Tue Jul 9 11:35:28 CDT 1996
bob@opal.bgm.link.com:/usr/src/sys/compile/HTI
CPU: i486 DX2 (486-class CPU)
Origin = "GenuineIntel" Id = 0x435 Stepping=5
Features=0x3<FPU,VME>
real memory = 16777216 (16384K bytes)
avail memory = 14647296 (14304K bytes)
ahc0: <Adaptec 284X SCSI host adapter> at 0x1c00-0x1cff irq 11 on isa
ahc0: Using Edge Triggered Interrupts
ahc0: aic7770 >= Rev E, Single Channel, SCSI Id=7, 4 SCBs
ahc0: Reseting Channel A
ahc0: Downloading Sequencer Program...Done
ahc0: Probing channel A
ahc0 waiting for scsi devices to settle
ahc0: target 0 synchronous at 10.0MHz, offset = 0xf
(ahc0:0:0): "MICROP 2217-15MZ1001905 HQ30" type 0 fixed SCSI 2
sd0(ahc0:0:0): Direct-Access 1685MB (3450902 512 byte sectors)
sd0(ahc0:0:0): with 2372 cyls, 15 heads, and an average 96 sectors/track
ahc0: target 1 synchronous at 10.0MHz, offset = 0xf
(ahc0:1:0): "QUANTUM EMPIRE_1080S 1220" type 0 fixed SCSI 2
sd1(ahc0:1:0): Direct-Access 1029MB (2109376 512 byte sectors)
sd1(ahc0:1:0): with 2874 cyls, 8 heads, and an average 91 sectors/track
(ahc0:4:0): "ARCHIVE VIPER 150 21247 -011" type 1 removable SCSI 1
st0(ahc0:4:0): Sequential-Access st0: Archive Viper 150 is a known rogue
density code 0x0, drive empty
ahc0: target 5 synchronous at 5.0MHz, offset = 0xf
(ahc0:5:0): "ARCHIVE Python 00367-XXX 5.23" type 1 removable SCSI 2
st1(ahc0:5:0): Sequential-Access density code 0x13, 512-byte blocks, write-protected
pcibus_setup(1): mode1res=0xffffffff (0x80000000), mode2res=0xff (0x0e)
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
ed0 not found at 0x280
ed1 not found at 0x300
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16450
sio1 not found at 0x2f8
sio2 not found at 0x3e8
sio3 not found at 0x2e8
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
lpt1 not found at 0xffffffff
lpt2 not found at 0xffffffff
mse0: wrong signature ff
mse0 not found at 0x23c
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 72065B
fd0: 1.44MB 3.5in
wdc0 not found at 0x1f0
wdc1 not found at 0x170
bt0 not found at 0x330
uha0 not found at 0x330
aha0 not found at 0x330
aic0 not found at 0x340
nca0 not found at 0x1f88
nca1 not found at 0x350
sea0 not found
wt0 not found at 0x300
mcd0: timeout getting status
mcd0 not found at 0x300
mcd1: timeout getting status
mcd1 not found at 0x340
matcdc0 not found at 0x230
scd0 not found at 0x230
ie0 not found at 0x360
1 3C5x9 board(s) on ISA found at 0x300
ep0 at 0x300-0x30f irq 10 on isa
ep0: aui/utp/bnc[*UTP*] address 00:20:af:52:37:4c
ix0 not probed due to I/O address conflict with ep0 at 0x300
le0 not probed due to I/O address conflict with ep0 at 0x300
lnc0 not found at 0x280
lnc1 not probed due to I/O address conflict with ep0 at 0x300
ze0 not probed due to I/O address conflict with ep0 at 0x300
zp0 not probed due to I/O address conflict with ep0 at 0x300
npx0 on motherboard
npx0: INT 16 interface
Device configuration finished.
Considering FFS root f/s.
changing root device to sd0a
Configuring root and swap devs.
configure() finished.
BIOS Geometries:
0:03fe3f20 0..1022=1023 cylinders, 0..63=64 heads, 1..32=32 sectors
1:03fe3f20 0..1022=1023 cylinders, 0..63=64 heads, 1..32=32 sectors
0 accounted for
sd0s1: type 0x6, start 32, end = 204799, size 204768 : OK
sd0s2: type 0xa5, start 204800, end = 3450879, size 3246080 : OK
sd1s1: type 0xa5, start 0, end = 2109375, size 2109376 : OK
sd1s1: type 0xa5, start 0, end = 2109375, size 2109376 : OK
Thanks
Bob Dunaway
bob@rdsw.com
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