PROBLEM: Kernel Panic for unknown reason

Drew J. Como (dcomo@bascom.com)
Thu, 19 Sep 2002 11:27:59 -0400


As per the information listed below, I have a system that will
only kernel panic when traffic is being sent to him. If I disconnect
all of the network cables, etc. and let him be, he doesn't panic.

Aug 30 00:15:37 (none) kernel: Unable to handle kernel paging request at
virtual address 50182444
Aug 30 00:15:37 (none) kernel: printing eip:
Aug 30 00:15:37 (none) kernel: c0135e0d
Aug 30 00:15:37 (none) kernel: *pde = 00000000
Aug 30 00:15:37 (none) kernel: Oops: 0002
Aug 30 00:15:37 (none) kernel: CPU: 0
Aug 30 00:15:37 (none) kernel: EIP: 0010:[open_namei+633/1244] Not
tainted
Aug 30 00:15:37 (none) kernel: EFLAGS: 00010246
Aug 30 00:15:37 (none) kernel: eax: c2ec0c10 ebx: 00000000 ecx: c02b23bc
edx: 00000003
Aug 30 00:15:37 (none) kernel: esi: c55c0000 edi: c5893f8c ebp: 00010801
esp: c5893f54
Aug 30 00:15:37 (none) kernel: ds: 0018 es: 0018 ss: 0018
Aug 30 00:15:37 (none) kernel: Process find (pid: 890, stackpage=c5893000)
Aug 30 00:15:37 (none) kernel: Stack: 00010800 c55c0000 08057364 bffff4cc
00001000 00000000 00000004 c2ec0c10
Aug 30 00:15:37 (none) kernel: c012c3da c55c0000 00010801 08054538
c5893f8c 00000005 c2ec0c10 c7ffc350
Aug 30 00:15:37 (none) kernel: 08057364 bffff4cc 00000000 00000003
00000001 c012c717 c55c0000 00010800
Aug 30 00:15:37 (none) kernel: Call Trace: [filp_open+46/76]
[sys_open+51/148] [system_call+51/56]
Aug 30 00:15:37 (none) kernel:
Aug 30 00:15:37 (none) kernel: Code: 00 8b 44 24 18 50 56 e8 c3 ef ff ff 89
c3 83 c4 08 85 db 00

# cat cpuinfo

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 8
model name : Pentium III (Coppermine)
stepping : 10
cpu MHz : 997.532
cache size : 256 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 mmx fxsr sse
bogomips : 1992.29

# cat modules

ipt_LOG 3120 1 (autoclean)
ipt_limit 960 1 (autoclean)
ipt_REJECT 2784 11 (autoclean)
ipt_MASQUERADE 1200 2 (autoclean)
ipt_REDIRECT 736 1 (autoclean)
ipt_state 608 4 (autoclean)
iptable_filter 1728 1 (autoclean)
ip_nat_ftp 2720 0 (unused)
ip_conntrack_ftp 3472 0 (unused)
iptable_nat 13168 2 (autoclean) [ipt_MASQUERADE ipt_REDIRECT
ip_nat_ftp]
ip_conntrack 14384 3 [ipt_MASQUERADE ipt_REDIRECT ipt_state
ip_nat_ftp ip_conntrack_ftp iptable_nat]
ip_tables 10528 10 [ipt_LOG ipt_limit ipt_REJECT
ipt_MASQUERADE ipt_REDIRECT ipt_state iptable_filter iptable_nat]

# lspci -vvv

00:00.0 Host bridge: ServerWorks CNB20LE (rev 06)
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+
Stepping- SERR+ FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort+ >SERR- <PERR-
Latency: 48, cache line size 08

00:00.1 Host bridge: ServerWorks CNB20LE (rev 06)
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+
Stepping- SERR+ FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 48, cache line size 08

00:02.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro 100] (rev
08)
Subsystem: Dell Computer Corporation: Unknown device 009b
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 32 (2000ns min, 14000ns max), cache line size 08
Interrupt: pin A routed to IRQ 11
Region 0: Memory at fe102000 (32-bit, non-prefetchable) [size=4K]
Region 1: I/O ports at ecc0 [size=64]
Region 2: Memory at fe000000 (32-bit, non-prefetchable) [size=1M]
Expansion ROM at fd000000 [disabled] [size=1M]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=2 PME-

00:0e.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27)
(prog-if 00 [VGA])
Subsystem: Dell Computer Corporation: Unknown device 00ce
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping+ SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 32 (2000ns min), cache line size 08
Region 0: Memory at fc000000 (32-bit, non-prefetchable) [size=16M]
Region 1: I/O ports at e800 [size=256]
Region 2: Memory at fe101000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at <unassigned> [disabled] [size=128K]
Capabilities: [5c] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:0f.0 ISA bridge: ServerWorks OSB4 (rev 50)
Subsystem: ServerWorks OSB4
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0

00:0f.1 IDE interface: ServerWorks: Unknown device 0211 (prog-if 8a [Master
SecP PriP])
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 64
Region 4: I/O ports at 08b0 [size=16]

00:0f.2 USB Controller: ServerWorks: Unknown device 0220 (rev 04) (prog-if
10 [OHCI])
Subsystem: ServerWorks: Unknown device 0220
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR+ FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 32 (20000ns max), cache line size 08
Interrupt: pin A routed to IRQ 10
Region 0: Memory at fe100000 (32-bit, non-prefetchable) [size=4K]

01:02.0 SCSI storage controller: Adaptec 7899P (rev 01)
Subsystem: Dell Computer Corporation: Unknown device 00ce
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 32 (10000ns min, 6250ns max), cache line size 08
Interrupt: pin A routed to IRQ 5
BIST result: 00
Region 0: I/O ports at dc00 [disabled] [size=256]
Region 1: Memory at f9043000 (64-bit, non-prefetchable) [size=4K]
Expansion ROM at f8000000 [disabled] [size=128K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

01:02.1 SCSI storage controller: Adaptec 7899P (rev 01)
Subsystem: Dell Computer Corporation: Unknown device 00ce
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 32 (10000ns min, 6250ns max), cache line size 08
Interrupt: pin B routed to IRQ 11
BIST result: 00
Region 0: I/O ports at d800 [disabled] [size=256]
Region 1: Memory at f9042000 (64-bit, non-prefetchable) [size=4K]
Expansion ROM at f8000000 [disabled] [size=128K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

01:08.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro 100] (rev
0d)
Subsystem: Intel Corporation: Unknown device 1050
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 32 (2000ns min, 14000ns max), cache line size 08
Interrupt: pin A routed to IRQ 5
Region 0: Memory at f9041000 (32-bit, non-prefetchable) [size=4K]
Region 1: I/O ports at d4c0 [size=64]
Region 2: Memory at f9020000 (32-bit, non-prefetchable) [size=128K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=2 PME-

01:0a.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro 100] (rev
0d)
Subsystem: Intel Corporation: Unknown device 1050
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 32 (2000ns min, 14000ns max), cache line size 08
Interrupt: pin A routed to IRQ 11
Region 0: Memory at f9040000 (32-bit, non-prefetchable) [size=4K]
Region 1: I/O ports at d480 [size=64]
Region 2: Memory at f9000000 (32-bit, non-prefetchable) [size=128K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=2 PME-

Please let me know if this is a hardware problem or ???...

Thanks for your help!!

============================================
Drew J. Como Phone: 631-434-6600
Systems Administrator Fax: 631-434-7800
dcomo@bascom.com Web: www.bascom.com
Bascom Global Internet Services, Inc.
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