We have two identical machines that exhibit the exact same problems. They
run for about a day and then crash leaving the oops information seen in
table 1. We are not sure why they crash. Review table 2 for hardware
information. Included in table 1 is the output of the system logger right
before it crashes.
<table 1>
Jul 9 02:45:07 63.236.138.4 kernel: Unable to handle kernel paging request at virtual address 4c050c43
Jul 9 02:45:07 63.236.138.4 kernel: current->tss.cr3 = 00101000, %cr3 = 00101000
Jul 9 02:45:07 63.236.138.4 kernel: *pde = 00000000
Jul 9 02:45:08 63.236.138.4 kernel: Oops: 0002
Jul 9 02:45:08 63.236.138.4 kernel: CPU: 0
Jul 9 02:45:10 63.236.138.4 kernel: EIP: 0010:[prune_dcache+50/300]
Jul 9 02:45:12 63.236.138.4 kernel: EFLAGS: 00010206
Jul 9 02:45:16 63.236.138.4 kernel: eax: c01b2734 ebx: c54055c0 ecx: c54e5fa0 edx: 4c050c43
Jul 9 02:45:19 63.236.138.4 kernel: esi: c54e5520 edi: c4f3a550 ebp: ffffff95 esp: c7fe3fa4
Jul 9 02:45:19 63.236.138.4 kernel: ds: 0018 es: 0018 ss: 0018
Jul 9 02:45:19 63.236.138.4 kernel: Process kswapd (pid: 5, process nr: 5, stackpage=c7fe3000)
Jul 9 02:45:19 63.236.138.4 kernel: Stack: 00000030 00009000 00000030 00000001 ffffffff c012c4fb 00000127 ffffffff
Jul 9 02:45:22 63.236.138.4 kernel: c011d9c8 00000006 00000030 c7fe2000 c0197dce c7fe21c1 c011da3f 00000030
</table 1>
<table 2>
Linux version 2.2.15 (root@iron) (gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)) #1 Sat Jun 3 12:02:58 PDT 2000
Detected 166196519 Hz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 331.78 BogoMIPS
Memory: 128456k/131072k available (688k kernel code, 412k reserved, 1480k data, 36k 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)
CPU: Intel Pentium MMX stepping 03
Checking 386/387 coupling... OK, FPU using exception 16 error reporting.
Checking 'hlt' instruction... OK.
Intel Pentium with F0 0F bug - workaround enabled.
POSIX conformance testing by UNIFIX
PCI: PCI BIOS revision 2.10 entry at 0xfb470
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
PIIX3: IDE controller on PCI bus 00 dev 39
PIIX3: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:pio, hdb:pio
ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:pio, hdd:pio
keyboard: Too many NACKs -- noisy kbd cable?
keyboard: Too many NACKs -- noisy kbd cable?
hda: DPEA-31080, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: DPEA-31080, 1033MB w/448kB Cache, CHS=525/64/63
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
tulip.c:v0.91g-ppc 7/16/99 becker@cesdis.gsfc.nasa.gov
eth0: Lite-On 82c168 PNIC rev 32 at 0x6100, 00:A0:CC:51:6E:B9, IRQ 9.
eth0: MII transceiver #1 config 3000 status 7829 advertising 01e1.
Partition check:
hda: hda1 hda2
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 36k freed
Adding Swap: 90712k swap-space (priority -1)
</table 2>
Thank you very much,
-Barrett
Barrett G. Lyon
(NJS) Network Janitor Specialist
Have fun: www.AlphaLinux.org
[Q]: Hey, do they test this stuff before it's released?
[A]: Sure they do... "It compiles, it's ready!"
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