[1.] One line summary of the problem: Fatal Oops on Dell6600 (kernel 2.4.20) [2.] Full description of the problem/report: Our Dell PowerEdge 6600 server (4x1400 MHz multithread Xeon, 4GB RAM, SuSe Linux 8.0, 2.4.20 Linux kernel) crashed with the attached Oops. [3.] Keywords (i.e., modules, networking, kernel): kernel, oops [4.] Kernel version (from /proc/version): Linux version 2.4.20 (root@alfa) (gcc version 2.95.3 20010315 (SuSE)) #10 SMP Fri Mar 28 15:40:45 CET 2003 [5.] Output of Oops.. message (if applicable) with symbolic information resolved (see Documentation/oops-tracing.txt) ksymoops 2.4.3 on i686 2.4.20. Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.4.20/ (default) -m /boot/v2.4.20/System.map (specified) Warning (compare_maps): ksyms_base symbol ip_conntrack_expect_find_get_R__ver_ip_conntrack_expect_find_get not found in System.map. Ignoring ksyms_base entry Warning (compare_maps): ksyms_base symbol ip_conntrack_expect_put_R__ver_ip_conntrack_expect_put not found in System.map. Ignoring ksyms_base entry Warning (compare_maps): ksyms_base symbol ip_conntrack_find_get_R__ver_ip_conntrack_find_get not found in System.map. Ignoring ksyms_base entry Warning (compare_maps): ksyms_base symbol ip_conntrack_put_R__ver_ip_conntrack_put not found in System.map. Ignoring ksyms_base entry CPU: 6 EIP: 0010:[] Not tained Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010246 Process rsh (pid: 27741, stackpage=ea8bd000) Stack: ea8bc000 ea8bdd64 f704df00 ea8bddf8 00002000 1f92fc04 01f0c90a 030ac90a f8806000 000003fe fe03f800 1f92fc04 01f0c90a 030ac90a c0246467 ea8bdd64 00000000 ea86dd60 ea8bdd64 c0247028 ea8bdd64 00000000 ea8bdde8 c038a6f8 Call Trace: [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] Code: 8b 6d 8b ea 44 24 2c 03 44 24 24 31 d2 f7 74 24 10 8b 4c 24 >>EIP; c0246400 <__ip_conntrack_find+9c/120> <===== Trace; c0246466 <__ip_conntrack_find+102/120> Trace; c0247028 Trace; c0220600 Trace; c021fe02 Trace; c02456c0 Trace; c0220600 Trace; c021523c Trace; c0220600 Trace; c0220600 Trace; c021558e Trace; c0220600 Trace; c021fa28 Trace; c0220600 Trace; c0234116 Trace; c022ef2e Trace; c022efe8 Trace; c020af0e Trace; c022f2ee Trace; c622511e <_end+5e892a2/385d1184> Trace; c02410a6 Trace; c0207904 Trace; c020761e Trace; c0135fe6 Trace; c0106f22 Code; c0246400 <__ip_conntrack_find+9c/120> 00000000 <_EIP>: Code; c0246400 <__ip_conntrack_find+9c/120> <===== 0: 8b 6d 8b mov 0xffffff8b(%ebp),%ebp <===== Code; c0246402 <__ip_conntrack_find+9e/120> 3: ea 44 24 2c 03 44 24 ljmp $0x2444,$0x32c2444 Code; c024640a <__ip_conntrack_find+a6/120> a: 24 31 and $0x31,%al Code; c024640c <__ip_conntrack_find+a8/120> c: d2 (bad) Code; c024640c <__ip_conntrack_find+a8/120> d: f7 74 24 10 divl 0x10(%esp,1) Code; c0246410 <__ip_conntrack_find+ac/120> 11: 8b 4c 24 00 mov 0x0(%esp,1),%ecx <0> Kernel panic: Aiee, killing interrupt handler! 4 warnings issued. Results may not be reliable. [6.] A small shell script or example program which triggers the problem (if possible) None [7.] Environment Dell PowerEdge 6600 server 4x1400 MHz multithread Xeonxi 4GB RAM SuSe Linux 8.0 2.4.20 Linux kernel (practically static kernel, with the exception of th SCSI tape driver, and its controller) [7.1.] Software (add the output of the ver_linux script here) Linux alfa 2.4.20 #10 SMP Fri Mar 28 15:40:45 CET 2003 i686 unknown Gnu C 2.95.3 Gnu make 3.79.1 util-linux 2.11n mount 2.11n modutils 2.4.12 e2fsprogs 1.26 jfsutils 1.0.15 PPP 2.4.1 isdn4k-utils 3.1pre4 Linux C Library x 1 root root 1394238 Mar 23 2002 /lib/libc.so.6 Dynamic linker (ldd) 2.2.5 Procps 2.0.7 Net-tools 1.60 Kbd 1.06 Sh-utils 2.0 Modules Loaded st aic7xxx [7.2.] Processor information (from /proc/cpuinfo): processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 1 model name : Intel(R) Xeon(TM) CPU 1.40GHz stepping : 1 cpu MHz : 1393.773 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 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 2778.72 processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 1 model name : Intel(R) Xeon(TM) CPU 1.40GHz stepping : 1 cpu MHz : 1393.773 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 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 2785.28 processor : 2 vendor_id : GenuineIntel cpu family : 15 model : 1 model name : Intel(R) Xeon(TM) CPU 1.40GHz stepping : 1 cpu MHz : 1393.773 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 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 2785.28 processor : 3 vendor_id : GenuineIntel cpu family : 15 model : 1 model name : Intel(R) Xeon(TM) CPU 1.40GHz stepping : 1 cpu MHz : 1393.773 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 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 2785.28 processor : 4 vendor_id : GenuineIntel cpu family : 15 model : 1 model name : Intel(R) Xeon(TM) CPU 1.40GHz stepping : 1 cpu MHz : 1393.773 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 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 2785.28 processor : 5 vendor_id : GenuineIntel cpu family : 15 model : 1 model name : Intel(R) Xeon(TM) CPU 1.40GHz stepping : 1 cpu MHz : 1393.773 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 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 2785.28 processor : 6 vendor_id : GenuineIntel cpu family : 15 model : 1 model name : Intel(R) Xeon(TM) CPU 1.40GHz stepping : 1 cpu MHz : 1393.773 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 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 2785.28 processor : 7 vendor_id : GenuineIntel cpu family : 15 model : 1 model name : Intel(R) Xeon(TM) CPU 1.40GHz stepping : 1 cpu MHz : 1393.773 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 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 2785.28 [7.3.] Module information (from /proc/modules): st 27380 1 (autoclean) aic7xxx 111360 1 [7.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem) 0000-001f : dma1 0020-003f : pic1 0040-005f : timer 0060-006f : keyboard 0070-007f : rtc 0080-008f : dma page reg 00a0-00bf : pic2 00c0-00df : dma2 00f0-00ff : fpu 01f0-01f7 : ide0 03c0-03df : vga+ 03f6-03f6 : ide0 03f8-03ff : serial(auto) 08b0-08bf : ServerWorks CSB5 IDE Controller 08c0-08c7 : ServerWorks CSB5 IDE Controller 08c8-08cb : ServerWorks CSB5 IDE Controller 08d0-08d7 : ServerWorks CSB5 IDE Controller 08d8-08db : ServerWorks CSB5 IDE Controller 0cf8-0cff : PCI conf1 9cc0-9cff : Intel Corp. 82557/8/9 [Ethernet Pro 100] (#2) 9cc0-9cff : eepro100 d000-dfff : PCI Bus #04 d800-d8ff : QLogic Corp. ISP12160 Dual Channel Ultra3 SCSI Processor (#2) dc00-dcff : QLogic Corp. ISP12160 Dual Channel Ultra3 SCSI Processor e4c0-e4ff : Intel Corp. 82557/8/9 [Ethernet Pro 100] e4c0-e4ff : eepro100 e800-e8ff : ATI Technologies Inc Rage XL ec00-ecff : Adaptec AIC-7892P U160/m 00000000-0009ffff : System RAM 000a0000-000bffff : Video RAM area 000c0000-000c7fff : Video ROM 000c8000-000c91ff : Extension ROM 000c9800-000ca7ff : Extension ROM 000ca800-000cb7ff : Extension ROM 000f0000-000fffff : System ROM 00100000-dffeffff : System RAM 00100000-0027f443 : Kernel code 0027f444-002f589f : Kernel data dfff0000-dfffebff : ACPI Tables dfffec00-dfffefff : reserved ee600000-ee6fffff : Intel Corp. 82557/8/9 [Ethernet Pro 100] (#2) ee800000-ee800fff : Intel Corp. 82557/8/9 [Ethernet Pro 100] (#2) ee800000-ee800fff : eepro100 eff00000-eff0ffff : Broadcom Corporation NetXtreme BCM5700 Gigabit Ethernet f0000000-f7ffffff : PCI Bus #04 f0000000-f7ffffff : PCI Bus #05 f0000000-f7ffffff : American Megatrends Inc. MegaRAID fcd00000-fcffffff : PCI Bus #04 fcdfe000-fcdfefff : QLogic Corp. ISP12160 Dual Channel Ultra3 SCSI Processor (#2) fcdff000-fcdfffff : QLogic Corp. ISP12160 Dual Channel Ultra3 SCSI Processor fcf00000-fcffffff : PCI Bus #05 fd000000-fdffffff : ATI Technologies Inc Rage XL fe000000-fe0fffff : Intel Corp. 82557/8/9 [Ethernet Pro 100] fe200000-fe200fff : ServerWorks OSB4/CSB5 OHCI USB Controller fe201000-fe201fff : Intel Corp. 82557/8/9 [Ethernet Pro 100] fe201000-fe201fff : eepro100 fe202000-fe202fff : ATI Technologies Inc Rage XL fe203000-fe203fff : Adaptec AIC-7892P U160/m fe203000-fe203fff : aic7xxx fec00000-fec0ffff : reserved fee00000-fee0ffff : reserved fff80000-ffffffff : reserved [7.5.] PCI information ('lspci -vvv' as root) 00:00.0 Host bridge: ServerWorks CMIC-HE (rev 22) Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- [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- 00:05.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev 08) Subsystem: Intel Corp. EtherExpress PRO/100+ Management Adapter Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- Reset- FastB2B- Capabilities: [dc] Power Management version 1 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Bridge: PM- B3+ 04:00.0 PCI bridge: Intel Corp.: Unknown device b154 (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- Reset- FastB2B- Capabilities: [dc] Power Management version 1 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Bridge: PM- B3+ 04:01.0 SCSI storage controller: QLogic Corp. ISP12160 Dual Channel Ultra3 SCSI Processor (rev 06) Subsystem: American Megatrends Inc. QLA12160 on AMI MegaRAID Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- RAID1 22600R Rev: 161N Type: Direct-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 05 Id: 00 Lun: 00 Vendor: MegaRAID Model: LD? RAID1 24678R Rev: 161N Type: Direct-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 05 Id: 01 Lun: 00 Vendor: MegaRAID Model: LD@ RAID1 70008R Rev: 161N Type: Direct-Access ANSI SCSI revision: 02 Host: scsi1 Channel: 00 Id: 05 Lun: 00 Vendor: QUANTUM Model: DLT7000 Rev: 2561 Type: Sequential-Access ANSI SCSI revision: 02 [7.7.] Other information that might be relevant to the problem (please look in /proc and include all information that you think to be relevant): [X.] Other notes, patches, fixes, workarounds: Thank you