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Subject2.4.19 ext3 oops with file system damage - possible nfs and ext3 not playing nice together
Date
kinda long... sorry

I was coping an ISO image via NFS to a directory on an ext3 partition
(dev/hdc2) and the computer locked up as soon as I hit the enter key. I've
had problems before with ext3 and nfs (see FYI below), but this time it was
on a different hard drive (first time was /dev/hda) and this time I got an
oops along with a machine lockup. After hitting the reset button (machine was
dead) I ended up having to delete a mysql index file because fsck couldn't
repair it.

From fstab -
LABEL=/storage /opt ext3 defaults 1 2

FYI - I ran into some reproducible problems before with ext3 and possibly
NFS. I had a 1365344k oracle database export gzipped down to 263688k and then
made into an ISO image. I'd copy the file from the file server
(2.4.3-SGI_XFS_1.0.1) via NFS , mount the ISO image, and burn it to CD
without any errors being reported. When I'd try gunzip the file from CD, I'd
get CRC errors. I then tried mounting the ISO image and running gunzip and
I'd get the same CRC errors.
I went back to the file server, mounted the ISO image, and had no problem
gunzipping it. I then tried coping the same file again via NFS but gave it a
different name to copy to. Running both diff and cmp told me the files were
different and both couldn't be gunzipped from mounted ISO images.
I could also copy this file to a new file name in the same directory (cp
db.iso timma.iso) and when I ran both diff and cmp, they reported differences
between the two files. I then tried using SCP to copy the file over and I had
no problems. All this was repeatable. I upgraded kernels from RedHat 7.3
stock 2.4.18-3 to vanilla 2.4.19 and problem seemed to go away.

I'd be happy to provide anymore information!
Walter Anthony
System Administrator
National Electronic Attachment
Atlanta, Georgia
"If it's not broke....tweak it"

From message log -
Aug 28 10:16:55 walt kernel: Unable to handle kernel paging request at virtual
address 01
38835e
Aug 28 10:16:55 walt kernel: printing eip:
Aug 28 10:16:55 walt kernel: c016bbd7
Aug 28 10:16:55 walt kernel: *pde = 00000000
Aug 28 10:16:55 walt kernel: Oops: 0000
Aug 28 10:16:55 walt kernel: CPU: 0
Aug 28 10:16:55 walt kernel: EIP: 0010:[<c016bbd7>] Not tainted
Aug 28 10:16:55 walt kernel: EFLAGS: 00013202
Aug 28 10:16:55 walt kernel: eax: cf967eb0 ebx: 01388346 ecx: 00000040
edx: 0000001
4
Aug 28 10:16:55 walt kernel: esi: cf1c4eb0 edi: 8d505604 ebp: ce5df430
esp: cf967e8
4
Aug 28 10:16:55 walt kernel: ds: 0018 es: 0018 ss: 0018
Aug 28 10:16:55 walt kernel: Process kjournald (pid: 139, stackpage=cf967000)
Aug 28 10:16:55 walt kernel: Stack: 00000000 00000000 00000000 00000014
cce1b440 cafe5220
000017fd 00000096
Aug 28 10:16:55 walt kernel: c0195a1c c12e00cc c12e5480 c38c9600
c38c9780 c38c9480
c38c96c0 c38c9540
Aug 28 10:16:55 walt kernel: c38c9120 c38c9a20 c38c9d20 c38c9660
c38c9180 c38c9c60
c38c9960 c38c9c00
Aug 28 10:16:55 walt kernel: Call Trace: [<c0195a1c>] [<c016eeb3>]
[<c016ece0>] [<c010
7166>] [<c016ed00>]
Aug 28 10:16:55 walt kernel:
Aug 28 10:16:55 walt kernel: Code: 8b 43 18 a9 04 00 00 00 75 41 83 e0 02 74
1a f0 ff 43
10 8b


root@walt scripts]# sh ver_linux
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

Linux walt 2.4.19 #2 SMP Fri Aug 9 12:15:24 EDT 2002 i686 unknown

Gnu C 2.96
Gnu make 3.79.1
util-linux 2.11n
mount 2.11n
modutils 2.4.14
e2fsprogs 1.27
reiserfsprogs 3.x.0j
PPP 2.4.1
isdn4k-utils 3.1pre1
Linux C Library 2.2.5
Dynamic linker (ldd) 2.2.5
Procps 2.0.7
Net-tools 1.60
Console-tools 0.3.3
Sh-utils 2.0.11
Modules Loaded nfs lockd sunrpc 3c59x md rtc

[root@walt burn]# cat /proc/partitions
major minor #blocks name

22 0 8257032 hdc
22 1 208813 hdc1
22 2 8040532 hdc2
3 0 4224150 hda
3 1 610438 hda1
3 2 200812 hda2
3 3 3405780 hda3


root@walt ide]# cat /proc/ide/piix

Intel PIIX4 Ultra 33 Chipset.
--------------- Primary Channel ---------------- Secondary Channel
-------------
enabled enabled
--------------- drive0 --------- drive1 -------- drive0 ---------- drive1
------
DMA enabled: yes no yes no
UDMA enabled: yes no yes no
UDMA enabled: 2 X 2 X
UDMA
DMA
PIO



[root@walt burn]# dmesg
Linux version 2.4.19 (root@walt) (gcc version 2.96 20000731 (Red Hat Linux 7.3
2.96-110)) #2 SMP Fri Aug 9 12:15:24 EDT 2002
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000000fffd000 (usable)
BIOS-e820: 000000000fffd000 - 000000000ffff000 (ACPI data)
BIOS-e820: 000000000ffff000 - 0000000010000000 (ACPI NVS)
BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
255MB LOWMEM available.
Advanced speculative caching feature not present
On node 0 totalpages: 65533
zone(0): 4096 pages.
zone(1): 61437 pages.
zone(2): 0 pages.
Kernel command line: auto BOOT_IMAGE=2.4.19-01 ro root=301
BOOT_FILE=/boot/vmlinuz-2.4.19
Local APIC disabled by BIOS -- reenabling.
Found and enabled local APIC!
Initializing CPU#0
Detected 267.278 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 532.48 BogoMIPS
Memory: 256704k/262132k available (1172k kernel code, 5040k reserved, 363k
data, 268k init, 0k highmem)
Dentry cache hash table entries: 32768 (order: 6, 262144 bytes)
Inode cache hash table entries: 16384 (order: 5, 131072 bytes)
Mount-cache hash table entries: 4096 (order: 3, 32768 bytes)
Buffer-cache hash table entries: 16384 (order: 4, 65536 bytes)
Page-cache hash table entries: 65536 (order: 6, 262144 bytes)
CPU: Before vendor init, caps: 0080fbff 00000000 00000000, vendor = 0
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 512K
CPU: After vendor init, caps: 0080fbff 00000000 00000000 00000000
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: After generic, caps: 0080fbff 00000000 00000000 00000000
CPU: Common caps: 0080fbff 00000000 00000000 00000000
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
mtrr: v1.40 (20010327) Richard Gooch (rgooch@atnf.csiro.au)
mtrr: detected mtrr type: Intel
CPU: Before vendor init, caps: 0080fbff 00000000 00000000, vendor = 0
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 512K
CPU: After vendor init, caps: 0080fbff 00000000 00000000 00000000
Intel machine check reporting enabled on CPU#0.
CPU: After generic, caps: 0080fbff 00000000 00000000 00000000
CPU: Common caps: 0080fbff 00000000 00000000 00000000
CPU0: Intel Pentium II (Klamath) stepping 04
per-CPU timeslice cutoff: 1464.30 usecs.
SMP motherboard not detected.
enabled ExtINT on CPU#0
ESR value before enabling vector: 00000000
ESR value after enabling vector: 00000000
Using local APIC timer interrupts.
calibrating APIC timer ...
..... CPU clock speed is 267.2755 MHz.
..... host bus clock speed is 66.8185 MHz.
cpu: 0, clocks: 668185, slice: 334092
CPU0<T0:668176,T1:334080,D:4,S:334092,C:668185>
Waiting on wait_init_idle (map = 0x0)
All processors have done init_idle
PCI: PCI BIOS revision 2.10 entry at 0xf0750, last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: Using IRQ router PIIX [8086/7110] at 00:04.0
PCI: Found IRQ 10 for device 00:04.2
PCI: Sharing IRQ 10 with 00:09.0
Limiting direct PCI/PCI transfers.
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
Journalled Block Device driver loaded
pty: 256 Unix98 ptys configured
Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI
ISAPNP enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
ttyS02 at 0x03e8 (irq = 4) is a 16550A
Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PIIX4: IDE controller on PCI bus 00 dev 21
PIIX4: chipset revision 1
PIIX4: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xb800-0xb807, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0xb808-0xb80f, BIOS settings: hdc:DMA, hdd:pio
hda: FUJITSU MPC3043AT, ATA DISK drive
hdc: WDC WD84AA, ATA DISK drive
ide2: ports already in use, skipping probe
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: 8448300 sectors (4326 MB), CHS=525/255/63, UDMA(33)
hdc: 16514064 sectors (8455 MB) w/2048KiB Cache, CHS=16383/16/63, UDMA(33)
Partition check:
hda: hda1 hda2 hda3
hdc: [PTBL] [1027/255/63] hdc1 hdc2
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
Linux agpgart interface v0.99 (c) Jeff Hartmann
agpgart: Maximum main memory to use for agp memory: 203M
agpgart: Detected Intel 440LX chipset
agpgart: AGP aperture is 64M @ 0xe4000000
[drm] AGP 0.99 on Intel 440LX @ 0xe4000000 64MB
[drm] Initialized radeon 1.1.1 20010405 on minor 0
SCSI subsystem driver Revision: 1.00
PCI: Found IRQ 10 for device 00:09.0
PCI: Sharing IRQ 10 with 00:04.2
scsi0 : AdvanSys SCSI 3.3G: PCI Ultra: IO 0xB000-0xB00F, IRQ 0xA
Vendor: MATSHITA Model: CD-R CW-7502 Rev: 4.10
Type: CD-ROM ANSI SCSI revision: 02
Vendor: TEAC Model: CD-ROM CD-516S Rev: 1.0D
Type: CD-ROM ANSI SCSI revision: 02
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 2048 buckets, 16Kbytes
TCP: Hash tables configured (established 16384 bind 16384)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 268k freed
Real Time Clock Driver v1.10e
Adding Swap: 208804k swap-space (priority -1)
Adding Swap: 200804k swap-space (priority -2)
md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
kjournald starting. Commit interval 5 seconds
EXT3 FS 2.4-0.9.17, 10 Jan 2002 on ide0(3,3), internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS 2.4-0.9.17, 10 Jan 2002 on ide1(22,2), internal journal
EXT3-fs: mounted filesystem with ordered data mode.
PCI: Found IRQ 11 for device 00:0b.0
3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
00:0b.0: 3Com PCI 3c905 Boomerang 100baseTx at 0xa800. Vers LK1.1.16

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