Date: Tue, 7 Apr 1998 14:50:04 -0400 (EDT) From: woods@zeus.leitch.com To: FreeBSD-gnats-submit@FreeBSD.ORG Subject: kern/6242: vnode disk driver too unstable in -STABLE to "make release" Message-ID: <199804071850.OAA26969@brain.zeus.leitch.com>
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>Number: 6242
>Category: kern
>Synopsis: vnode disk driver too unstable in -STABLE to "make release"
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Apr 7 12:00:01 PDT 1998
>Last-Modified:
>Originator: Greg A. Woods
>Organization:
Planix, Inc.; Toronto, Ontario; Canada [on contract to Leitch Technology International]
>Release: FreeBSD 2.2.6-STABLE i386 (from cvsup on 1998/03/31)
>Environment:
Copyright (c) 1992-1998 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 2.2.6-STABLE #0: Mon Apr 6 15:05:13 EDT 1998
woods@brain.zeus.leitch.com:/var/work.d/Leitch-BSD-2.2/sys/compile/BRAIN
CPU: Pentium Pro (267.27-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x633 Stepping=3
Features=0x80f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,MMX>
real memory = 268435456 (262144K bytes)
avail memory = 260980736 (254864K bytes)
Probing for devices on PCI bus 0:
chip0 <generic PCI bridge (vendor=8086 device=7180 subclass=0)> rev 3 on pci0:0:0
chip1 <generic PCI bridge (vendor=8086 device=7181 subclass=4)> rev 3 on pci0:1:0
chip2 <Intel 82371AB PCI-ISA bridge> rev 1 on pci0:4:0
chip3 <Intel 82371AB IDE interface> rev 1 on pci0:4:1
chip4 <Intel 82371AB USB interface> rev 1 int d irq 9 on pci0:4:2
chip5 <Intel 82371AB Power management controller> rev 1 on pci0:4:3
vga0 <VGA-compatible display device> rev 154 on pci0:9:0
fxp0 <Intel EtherExpress Pro 10/100B Ethernet> rev 2 int a irq 10 on pci0:11:0
fxp0: Ethernet address 00:a0:c9:6c:7f:79
ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 1 int a irq 11 on pci0:12:0
ahc0: aic7880 Wide Channel, SCSI Id=7, 16/255 SCBs
ahc0: target 0 Tagged Queuing Device
(ahc0:0:0): "SEAGATE ST34501W 0018" type 0 fixed SCSI 2
sd0(ahc0:0:0): Direct-Access 4339MB (8887200 512 byte sectors)
sd0(ahc0:0:0): with 6576 cyls, 8 heads, and an average 168 sectors/track
ahc0: target 1 Tagged Queuing Device
(ahc0:1:0): "SEAGATE ST34501W 0018" type 0 fixed SCSI 2
sd1(ahc0:1:0): Direct-Access 4339MB (8887200 512 byte sectors)
sd1(ahc0:1:0): with 6576 cyls, 8 heads, and an average 168 sectors/track
ahc0: target 2 Tagged Queuing Device
(ahc0:2:0): "SEAGATE ST34501W 0013" type 0 fixed SCSI 2
sd2(ahc0:2:0): Direct-Access 4339MB (8887200 512 byte sectors)
sd2(ahc0:2:0): with 6576 cyls, 8 heads, and an average 168 sectors/track
probe0(ahc0:9:0): scsi_cmd
probe0(ahc0:9:0): scsi_done
(ahc0:9:0): command: 0,0,0,0,0,0-[0 bytes]
probe0(ahc0:9:0): scsi_cmd
probe0(ahc0:9:0): scsi_done
(ahc0:9:0): command: 12,0,0,0,2c,0-[44 bytes]
------------------------------
000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
016: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
032: 00 00 00 00 00 00 00 00 00 00 00 00
------------------------------
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>
sio0 at 0x3f8-0x3ff irq 4 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
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): <WDC AC12100L>
wd0: 2014MB (4124736 sectors), 4092 cyls, 16 heads, 63 S/T, 512 B/S
npx0 on motherboard
npx0: INT 16 interface
ccd0-3: Concatenated disk drivers
IP Filter: initialized. Default = pass all, Logging = enabled
fxp0: promiscuous mode enabled
>Description:
My 'make release' for 2.2.6-STABLE bombed out while building the fixit
floppy complaining that the /mnt filesystem was full:
pid 20209 (cpio), uid 0 on /mnt: file system full
Now the /mnt filesystem is in a very strange state and seemingly cannot
be unmounted.
This very same operation worked A-OK in repeated builds with
2.2.5-STABLE with sources as recent as 1998/01/26.
Here's a bit of a view of the current state of the system:
14:40 [2141] # df -k
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/wd0s1a 63583 19784 38713 34% /
/dev/wd0s1e 1685071 1127314 422952 73% /usr
/dev/sd0e 3287278 2310081 714215 76% /var
/dev/ccd0c 4310829 942094 3023869 24% /cvs
procfs 4 4 0 100% /proc
kernfs 1 1 0 100% /kern
tap:/home1 1032686 674330 275742 71% /home1
tap:/home2 1032686 873898 76174 92% /home2
/dev/vn0c 1195 1195 0 100% /mnt
14:40 [2142] # df -k /mnt
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/wd0s1a 63583 19784 38713 34% /
Note above that '/mnt' didn't translate properly and we got just '/'.
14:31 [2131] # umount -v /mnt
/dev/vn0c: unmount from /mnt
umount: /mnt: Invalid argument
Note the same thing happens for 'umount /dev/vn0c' too....
14:31 [2132] # ls -lia /mnt
total 4
15499 drwxr-xr-x 2 root wheel 512 Oct 21 10:13 .
2 drwxr-xr-x 19 root wheel 512 Apr 6 15:06 ..
14:32 [2133] # du /mnt
2 /mnt
Even though df says it's full there's apparently nothing in there!
14:32 [2134] # mount
/dev/wd0s1a on / (local)
/dev/wd0s1e on /usr (local)
/dev/sd0e on /var (local)
/dev/ccd0c on /cvs (NFS exported, local)
procfs on /proc (local)
kernfs on /kern (local)
tap:/home1 on /home1
tap:/home2 on /home2
/dev/vn0c on /mnt (local)
Indeed the fs-image file looks OK:
14:44 [196] $ pwd
/var/release/Leitch-BSD-2.2-980331-TEST-00/usr/obj/usr/src/release
14:44 [197] $ ls -l
total 5846
drwxrwxr-x 2 root bin 1536 Apr 6 20:42 boot_crunch
-rwxrwxr-x 1 root bin 8842 Apr 6 21:13 dumpnlist
drwxrwxr-x 2 root bin 3584 Apr 6 20:45 fixit_crunch
-rw-rw-r-- 1 root bin 1474560 Apr 7 12:09 fs-image
-rw-rw-r-- 1 root bin 5 Apr 6 21:17 fs-image.size
-rw-rw-r-- 1 root bin 1474560 Apr 6 21:17 fs-image.std
-rw-rw-r-- 1 root bin 5 Apr 6 21:13 fs-image.std.size
-rw-rw-r-- 1 root bin 0 Apr 6 20:14 release.1
-rw-rw-r-- 1 root bin 0 Apr 6 20:28 release.2
-rw-rw-r-- 1 root bin 0 Apr 6 20:40 release.3
-rw-rw-r-- 1 root bin 0 Apr 6 20:45 release.4
-rw-rw-r-- 1 root bin 0 Apr 6 21:00 release.5
-rw-rw-r-- 1 root bin 0 Apr 6 21:06 release.6
-rw-rw-r-- 1 root bin 0 Apr 6 21:13 release.7
-rw-rw-r-- 1 root bin 0 Apr 6 21:17 release.8
drwxrwxr-x 2 root bin 1024 Apr 6 20:42 sysinstall
-rwxrwxr-x 1 root bin 8865 Apr 6 21:13 write_mfs_in_kernel
Here's a cut&paste of the tail end of the output from the make release
showing that the boot floppy was made A-OK just before (clearly proving
that I do have a vn device properly configured in the kernel, etc.):
sh -e /usr/src/release/doFS.sh /R/stage /mnt 1440 /R/stage/boot.std 100000 fd1440
ioctl DIOCWLABEL: Operation not supported by device
Warning: Block size restricts cylinders per group to 9.
/dev/rvn0c: 2880 sectors in 1 cylinders of 1 tracks, 2880 sectors
1.4MB in 1 cyl groups (9 c/g, 12.66MB/g, 128 i/g)
super-block backups (for fsck -b #) at:
32,
2301 blocks
Filesystem 1K-blocks Used Avail Capacity iused ifree %iused Mounted on
/dev/vn0c 1395 1158 237 83% 5 121 4% /mnt
/dev/rvn0c: clean, 475 free (11 frags, 58 blocks, 0.4% fragmentation)
mv fs-image /R/stage/floppies/bootstd.flp
mv /R/stage/floppies/bootstd.flp /R/stage/floppies/boot.flp
Regular boot floppy made.
touch release.8
rm -rf /R/stage/fixitfd
mkdir /R/stage/fixitfd
cd /R/stage/fixitfd && mkdir -p dev stand bin sbin etc mnt mnt1 mnt2 mnt3 mnt4 tmp usr/share/misc usr/mdec
if false ; then gzip -9 < /R/stage/crunch/fixit > /R/stage/fixitfd/stand/fixit_crunch ; else ln -f /R/stage/crunch/fixit /R/stage/fixitfd/stand/fixit_crunch ; fi
chmod 555 /R/stage/fixitfd/stand/fixit_crunch
for i in `crunchgen -l /usr/src/release/fixit_crunch.conf` ; do ln -f /R/stage/fixitfd/stand/fixit_crunch /R/stage/fixitfd/stand/$i ; done
( cd /R/stage/fixitfd/dev && sed -e '/^PATH/s/^/#/' /R/stage/trees/bin/dev/MAKEDEV > MAKEDEV && chmod 755 MAKEDEV && sh MAKEDEV all )
cp /R/stage/trees/bin/etc/spwd.db /R/stage/trees/bin/etc/group /R/stage/trees/bin/etc/protocols /R/stage/fixitfd/etc
cp /R/stage/trees/bin/usr/share/misc/scsi_modes /R/stage/fixitfd/usr/share/misc
cp /R/stage/trees/bin/usr/mdec/boot[12] /R/stage/fixitfd/usr/mdec
for type in fd od sd wd ; do ( cd /R/stage/fixitfd/usr/mdec && ln -s boot1 ${type}boot && ln -s boot2 boot${type} ) ; done
cp /usr/src/release/fixit.profile /R/stage/fixitfd/.profile
cp /usr/src/release/fixit.services /R/stage/fixitfd/etc/services
cp /usr/src/release/tar.sh /R/stage/fixitfd/stand/tar
chmod 555 /R/stage/fixitfd/stand/tar
sh -e /usr/src/release/doFS.sh /R/stage /mnt 1440 /R/stage/fixitfd 6000 fd1440
ioctl DIOCWLABEL: Operation not supported by device
Warning: Block size restricts cylinders per group to 8.
/dev/rvn0c: 2880 sectors in 1 cylinders of 1 tracks, 2880 sectors
1.4MB in 1 cyl groups (8 c/g, 11.25MB/g, 1728 i/g)
super-block backups (for fsck -b #) at:
32,
/mnt: write failed, file system is full
cpio: write error: No space left on device
*** Error code 1
>How-To-Repeat:
1. install 2.2.6
2. get RELENG_2_2 as of 1998/03/31 into /usr/src
3. build new GENERIC (-like) kernel and re-install
4. cd /usr/src && 'make world'
5. rebuild new kernel and re-install
6. cd /usr/src/release && 'make release' (with approp. options)
The exact kernel config follows:
#
# BRAIN -- kernel config for CVS Repository machine
#
# This kernel is for a big-memory machine with SCSI+IDE and one ethernet
#
#ident "@(#)FreeBSD:$Id: BRAIN,v 1.3 1998/04/06 18:59:13 woods Exp $"
#
machine "i386"
cpu "I686_CPU"
ident "BRAIN"
maxusers 96
options INET #InterNETworking
options IPFILTER #Darren Reed's ip-filter
options IPFILTER_LOG #ip-filter logging
options FFS #Berkeley Fast Filesystem
options NFS #Network Filesystem
options KERNFS #Kernel Filesystem
options PROCFS #Process filesystem
options "COMPAT_43" #Compatible with BSD 4.3
options INCLUDE_CONFIG_FILE #Config file in kernel
options UCONSOLE #Allow users to grab the console
options USERCONFIG
options VISUAL_USERCONFIG
options "MAXMEM=(256*1024)"
options SCSI_REPORT_GEOMETRY #always show probed geom
options SCSIDEBUG #enable debug macros in SCSI code
options SHOW_BUSYBUFS #List buffers that prevent root unmount
options AHC_TAGENABLE #tagged command queuing
options AHC_SCBPAGING_ENABLE #SCB paging
options AHC_ALLOW_MEMIO #use memory mapped I/O
options SYSVSHM
options SYSVSEM
options SYSVMSG
options DDB #kernel debugger
options KTRACE #kernel tracing
options DIAGNOSTIC #extra sanity checks
options PERFMON #P-Pro hw perf counters
config kernel root on wd0
controller isa0
options "AUTO_EOI_1"
#options "AUTO_EOI_2"
controller pci0
controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
disk fd0 at fdc0 drive 0
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 ahc0
controller scbus0
device sd0
device st0
device cd0 #Only need one of these, the code dynamically grows
# sc, aka syscons, is the default console driver, resembling an SCO console
device sc0 at isa? port "IO_KBD" tty irq 1 vector scintr
# NPX is Mandatory, don't remove:
# (Numeric Processing Extension coprocessor and emulator)
device npx0 at isa? port "IO_NPX" irq 13 vector npxintr
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 lpt0 at isa? port? tty irq 7 vector lptintr
device psm0 at isa? port "IO_KBD" conflicts tty irq 12 vector psmintr
device fxp0
pseudo-device loop
pseudo-device ether
pseudo-device log
# bpfilter, aka bpf(4), is the Berkeley Packet Filter
pseudo-device bpfilter 4
pseudo-device pty 64
pseudo-device vn 4
pseudo-device ccd 4
>Fix:
unknown
>Audit-Trail:
>Unformatted:
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