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SubjectKernal assert
From
Date
Good Day,  We are getting several of these asserts per day on differing
applications. In all instances the application involved dies.
Occasionally this assert causes the whole system to lock up. Data loss has
resulted from one such ocurance but fortunately we were
able to restore from a backup. This is a small by important department
fileserver and it is critical that we resolve this issue.
Can you assist?

Hardware is an IBM Personal Computer 300PL with 128MB of ram and 2 40GB
Maxtor UDMA/66 drives. Primary application is Samba 2.0.7
RedHat 6.2


Sep 29 11:46:06 plato kernel: Unable to handle kernel paging request at
virtual address 40ab06c8
Sep 29 11:46:06 plato kernel: current->tss.cr3 = 00101000, %cr3 = 00101000
Sep 29 11:46:06 plato kernel: *pde = 00000000
Sep 29 11:46:06 plato kernel: Oops: 0000
Sep 29 11:46:06 plato kernel: CPU: 0
Sep 29 11:46:06 plato kernel: EIP: 0010:[<c0120e77>]
Sep 29 11:46:06 plato kernel: EFLAGS: 00010206
Sep 29 11:46:06 plato kernel: eax: c0cf5400 ebx: 40ab06c0 ecx: 00000000
edx: 40ab06c0
Sep 29 11:46:06 plato kernel: esi: 00000000 edi: c6614220 ebp: 00000001
esp: c5345f90
Sep 29 11:46:06 plato kernel: ds: 0018 es: 0018 ss: 0018
Sep 29 11:46:06 plato kernel: Process vncviewer (pid: 3704, process nr: 42,
stackpage=c5345000)
Sep 29 11:46:06 plato kernel: Stack: c6614220 c0113de5 40ab06c0 c6614220
c5344000 40274f1c 00000000 bffff8c0
Sep 29 11:46:06 plato kernel: 00000000 c5344000 c0113f43 00000000
c01079bc 00000000 40273c88 402751cc
Sep 29 11:46:06 plato kernel: 40274f1c 00000000 bffff8c0 00000001
c010002b 0000002b 00000001 40216cfd
Sep 29 11:46:06 plato kernel: Call Trace: [<c0113de5>] [<c0113f43>]
[<c01079bc>] [<c010002b>]
Sep 29 11:46:06 plato kernel: Code: 8b 7b 08 83 7b 1c 00 75 10 68 42 77 1c
c0 e8 46 0d ff ff 31


Linux version 2.2.17 (root@plato) (gcc version egcs-2.91.66 19990314/Linux
(egcs-1.1.2 release)) #1 Tue Sep 26 13:37:07 MST 2000
Detected 448063 kHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 894.57 BogoMIPS
Memory: 127088k/130048k available (944k kernel code, 412k reserved, 1540k
data, 64k init)
Dentry hash table entries: 16384 (order 5, 128k)
Buffer cache hash table entries: 131072 (order 7, 512k)
Page cache hash table entries: 32768 (order 5, 128k)
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: Intel Pentium II (Deschutes) stepping 02
Checking 386/387 coupling... OK, FPU using exception 16 error reporting.
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
PCI: PCI BIOS revision 2.10 entry at 0xfd85c
PCI: Using configuration type 1
PCI: Probing PCI hardware
Linux NET4.0 for Linux 2.2
Based upon Swansea University Computer Society NET3.039
NET4: Unix domain sockets 1.0 for Linux NET4.0.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
TCP: Hash tables configured (ehash 131072 bhash 65536)
Starting kswapd v 1.5
Detected PS/2 Mouse Port.
Serial driver version 4.27 with no serial options enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
pty: 256 Unix98 ptys configured
PIIX4: IDE controller on PCI bus 00 dev 11
PIIX4: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xfff0-0xfff7, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xfff8-0xffff, BIOS settings: hdc:pio, hdd:pio
hda: Maxtor 94098U8, ATA DISK drive
hdb: Maxtor 94098U8, ATA DISK drive
hdc: CRD-8322B, ATAPI CDROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: Maxtor 94098U8, 39082MB w/2048kB Cache, CHS=4982/255/63, UDMA
hdb: Maxtor 94098U8, 39082MB w/2048kB Cache, CHS=4982/255/63, UDMA
hdc: ATAPI 32X CD-ROM drive, 128kB Cache
Uniform CD-ROM driver Revision: 3.11
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
ibmtr.c: v1.3.57 8/ 7/94 Peter De Schrijver and Mark Swanson
v2.1.125 10/20/98 Paul Norton <pnorton@ieee.org>
v2.2.0 12/30/98 Joel Sloan <jjs@c-me.com>
v2.2.1 02/08/00 Mike Sullivan <sullivam@us.ibm.com>
tr0: ISA P&P Auto 16/4 Adapter found
tr0: using irq 10, PIOaddr a20, 16K shared RAM.
tr0: Hardware address : 00:04:AC:B5:CC:05
tr0: Shared RAM paging enabled. Page size: 16K Shared Ram size 63K
tr0: Maximum MTU 16Mbps: 16344, 4Mbps: 6104
sktr.c: v1.02 08/29/97 by Christoph Goos
Partition check:
hda: hda1 hda2 < hda5 hda6 hda7 hda8 hda9 >
hdb: hdb1 hdb2 < hdb5 hdb6 >
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 64k freed
tr0: Initial interrupt : 16 Mbps, shared RAM base 000c8000.
tr0: Opend adapter: Xmit bfrs: 2 X 2048, Rcv bfrs: 16 X 1032
Adding Swap: 265032k swap-space (priority -1)
tr0: Adapter initialized and opened.
tr0: Setting functional address: 00 00 00 00
tr0: Setting functional address: 00 04 00 00
tr0: Setting functional address: 00 04 00 00
tr0: Setting functional address: 00 04 00 00
tr0: New ring status: 20
tr0: New ring status: 20
tr0: New ring status: 20
tr0: xmit ret_code: 23 xmit error code: 00

Thanks

Keith Davey
International Business Machines
Storage Systems Division
Tucson, AZ

Keith J. Davey
Tivoli Storage Management
Level 2 Support Group
External: (520) 799-4049 / kdavey@tivoli.com
Internal: T/L- 321-4049

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