Summary: Kernel crashes aprox. every 36 hours. Description: Machine locks up, or crashes way to often. The latest crash produced log output that hinted at the problem, but I don't know how to interpret what I'm seeing. The crashes can be quite severe. The previous one wiped out my /usr partition. Keywords: Machine exception, hang, crash. Kernel Version: Linux version 2.4.29 (root@morningstar) (gcc version 2.95.4 20011002 (Debian prerelease)) #4 SMP Mon Mar 28 18:29:11 MST 2005 Oops: None. Usually, the machine simply hangs and has to be power cycled. The latest crash gave me a few lines in the log: May 27 21:42:06 morningstar kernel: CPU 1: Machine Check Exception: 0000000000000004 May 27 21:42:07 morningstar kernel: Bank 0: e200000000000175 May 27 21:42:07 morningstar kernel: Bank 2: b60020000000011a at 000000000bf16280May 27 21:42:07 morningstar kernel: Kernel panic: CPU context corrupt Software: Gnu C 2.95.4 Gnu make 3.80 util-linux 2.12 mount 2.12 modutils 2.4.26 e2fsprogs 1.35 PPP 2.4.2 Linux C Library 2.3.2 Dynamic linker (ldd) 2.3.2 Procps 3.2.1 Net-tools 1.60 Console-tools 0.2.3 Sh-utils 5.2.1 Processor Information: processor : 0 vendor_id : AuthenticAMD cpu family : 6 model : 6 model name : AMD Athlon(tm) MP 2000+ stepping : 2 cpu MHz : 1666.771 cache size : 256 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mp mmxext 3dnowext 3dnow bogomips : 3329.22 processor : 1 vendor_id : AuthenticAMD cpu family : 6 model : 6 model name : AMD Athlon(tm) Processor stepping : 2 cpu MHz : 1666.771 cache size : 256 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mp mmxext 3dnowext 3dnow bogomips : 3329.22 Modules: None (I configured then static linked my own kernel). Loaded Driver and Hardware Information: 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 02f8-02ff : serial(set) 03c0-03df : vga+ 03f6-03f6 : ide0 03f8-03ff : serial(set) 0cf8-0cff : PCI conf1 1010-1013 : Advanced Micro Devices [AMD] AMD-760 MP [IGD4-2P] System Controller 2000-2fff : PCI Bus #02 2000-20ff : Adaptec AHA-2940U2/U2W 2400-24ff : PCI device 1317:8201 (Linksys) 2800-287f : Digital Equipment Corporation DECchip 21041 [Tulip Pass 3] 2800-287f : tulip 2880-28ff : 3Com Corporation 3c905C-TX/TX-M [Tornado] 2880-28ff : 02:08.0 2c00-2c3f : Ensoniq ES1371 [AudioPCI-97] 2c00-2c3f : es1371 f000-f00f : Advanced Micro Devices [AMD] AMD-768 [Opus] IDE f000-f007 : ide0 f008-f00f : ide1 00000000-0009f7ff : System RAM 0009f800-0009ffff : reserved 000a0000-000bffff : Video RAM area 000c0000-000c7fff : Video ROM 000cc800-000ccfff : Extension ROM 000cd000-000d27ff : Extension ROM 000e0000-000effff : Extension ROM 000f0000-000fffff : System ROM 00100000-1feeffff : System RAM 00100000-002ef24e : Kernel code 002ef24f-003bc6e3 : Kernel data 1fef0000-1fefefff : ACPI Tables 1feff000-1fefffff : ACPI Non-volatile Storage 1ff00000-1ff7ffff : System RAM 1ff80000-1fffffff : reserved e8000000-e8ffffff : PCI Bus #01 e8000000-e8ffffff : nVidia Corporation NV11 [GeForce2 MX/MX 400] e9000000-e90fffff : PCI Bus #02 e9000000-e9000fff : Advanced Micro Devices [AMD] AMD-768 [Opus] USB e9000000-e9000fff : usb-ohci e9001000-e9001fff : Adaptec AHA-2940U2/U2W e9001000-e9001fff : aic7xxx e9002000-e900207f : Digital Equipment Corporation DECchip 21041 [Tulip Pass 3] e9002000-e900207f : tulip e9002400-e90027ff : PCI device 1317:8201 (Linksys) e9002800-e900287f : 3Com Corporation 3c905C-TX/TX-M [Tornado] e9300000-e9300fff : Advanced Micro Devices [AMD] AMD-760 MP [IGD4-2P] System Controller ec000000-efffffff : Advanced Micro Devices [AMD] AMD-760 MP [IGD4-2P] System Controller f0000000-f7ffffff : PCI Bus #01 f0000000-f7ffffff : nVidia Corporation NV11 [GeForce2 MX/MX 400] fec00000-fec03fff : reserved fee00000-fee00fff : reserved fff80000-ffffffff : reserved PCI Information: 0000:00:00.0 Host bridge: Advanced Micro Devices [AMD] AMD-760 MP [IGD4-2P] System Controller (rev 11) 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 0: Memory at ec000000 (32-bit, prefetchable) [size=64M] Region 1: Memory at e9300000 (32-bit, prefetchable) [size=4K] Region 2: I/O ports at 1010 [disabled] [size=4] Capabilities: [a0] AGP version 2.0 Status: RQ=16 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans- 64bit- FW- AGP3- Rate=x1,x2,x4 Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP+ GART64- 64bit- FW- Rate=x4 0000:00:01.0 PCI bridge: Advanced Micro Devices [AMD] AMD-760 MP [IGD4-2P] AGP Bridge (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- <TAbort- <MAbort- >SERR- <PERR- Latency: 99 Bus: primary=00, secondary=01, subordinate=01, sec-latency=68 I/O behind bridge: 0000f000-00000fff Memory behind bridge: e8000000-e8ffffff Prefetchable memory behind bridge: f0000000-f7ffffff BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B- 0000:00:07.0 ISA bridge: Advanced Micro Devices [AMD] AMD-768 [Opus] ISA (rev 05) 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 0000:00:07.1 IDE interface: Advanced Micro Devices [AMD] AMD-768 [Opus] IDE (rev 04) (prog-if 8a [Master SecP PriP]) Subsystem: Advanced Micro Devices [AMD] AMD-768 [Opus] IDE 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 Region 4: I/O ports at f000 [size=16] 0000:00:07.3 Bridge: Advanced Micro Devices [AMD] AMD-768 [Opus] ACPI (rev 03) Subsystem: Advanced Micro Devices [AMD] AMD-768 [Opus] ACPI 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- 0000:00:10.0 PCI bridge: Advanced Micro Devices [AMD] AMD-768 [Opus] PCI (rev 05) (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- <TAbort- <MAbort+ >SERR- <PERR- Latency: 64 Bus: primary=00, secondary=02, subordinate=02, sec-latency=168 I/O behind bridge: 00002000-00002fff Memory behind bridge: e9000000-e90fffff Prefetchable memory behind bridge: fff00000-000fffff BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B- 0000:01:05.0 VGA compatible controller: nVidia Corporation NV11 [GeForce2 MX/MX 400] (rev b2) (prog-if 00 [VGA]) Subsystem: VISIONTEK: Unknown device 0023 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: 248 (1250ns min, 250ns max) Interrupt: pin A routed to IRQ 18 Region 0: Memory at e8000000 (32-bit, non-prefetchable) [size=16M] Region 1: Memory at f0000000 (32-bit, prefetchable) [size=128M] Expansion ROM at <unassigned> [disabled] [size=64K] Capabilities: [60] 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- Capabilities: [44] AGP version 2.0 Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA- ITACoh- GART64- HTrans- 64bit- FW+ AGP3- Rate=x1,x2,x4 Command: RQ=16 ArqSz=0 Cal=0 SBA- AGP+ GART64- 64bit- FW- Rate=x4 0000:02:00.0 USB Controller: Advanced Micro Devices [AMD] AMD-768 [Opus] USB (rev 07) (prog-if 10 [OHCI]) Subsystem: Advanced Micro Devices [AMD] AMD-768 [Opus] USB 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 (20000ns max) Interrupt: pin D routed to IRQ 19 Region 0: Memory at e9000000 (32-bit, non-prefetchable) [size=4K] 0000:02:04.0 SCSI storage controller: Adaptec AHA-2940U2/U2W Subsystem: Adaptec AHA-2940U2W SCSI Controller 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 (9750ns min, 6250ns max), Cache Line Size: 0x10 (64 bytes) Interrupt: pin A routed to IRQ 16 BIST result: 00 Region 0: I/O ports at 2000 [disabled] [size=256] Region 1: Memory at e9001000 (64-bit, non-prefetchable) [size=4K] Expansion ROM at <unassigned> [disabled] [size=128K] 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- 0000:02:05.0 Ethernet controller: Digital Equipment Corporation DECchip 21041 [Tulip Pass 3] (rev 21) 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 Interrupt: pin A routed to IRQ 17 Region 0: I/O ports at 2800 [size=128] Region 1: Memory at e9002000 (32-bit, non-prefetchable) [size=128] Expansion ROM at <unassigned> [disabled] [size=256K] 0000:02:06.0 Network controller: Linksys ADMtek ADM8211 802.11b Wireless Interface (rev 11) Subsystem: D-Link System Inc: Unknown device 3503 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 (16000ns min, 32000ns max), Cache Line Size: 0x10 (64 bytes) Interrupt: pin A routed to IRQ 18 Region 0: I/O ports at 2400 [size=256] Region 1: Memory at e9002400 (32-bit, non-prefetchable) [size=1K] Expansion ROM at <unassigned> [disabled] [size=128K] Capabilities: [c0] Power Management version 2 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=100mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=2 PME- 0000:02:07.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 08) Subsystem: Ensoniq Creative Sound Blaster AudioPCI64V, AudioPCI128 Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort+ <MAbort- >SERR- <PERR- Latency: 64 (3000ns min, 32000ns max) Interrupt: pin A routed to IRQ 19 Region 0: I/O ports at 2c00 [size=64] 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- 0000:02:08.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 78) Subsystem: Tyan Computer Tiger MPX S2466 (3C920 Integrated Fast Ethernet Controller) 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: 80 (2500ns min, 2500ns max), Cache Line Size: 0x10 (64 bytes) Interrupt: pin A routed to IRQ 19 Region 0: I/O ports at 2880 [size=128] Region 1: Memory at e9002800 (32-bit, non-prefetchable) [size=128] Expansion ROM at <unassigned> [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=2 PME- SCSI Information: Attached devices: Host: scsi0 Channel: 00 Id: 08 Lun: 00 Vendor: SEAGATE Model: ST336607LW Rev: 0007 Type: Direct-Access ANSI SCSI revision: 03 Host: scsi0 Channel: 00 Id: 09 Lun: 00 Vendor: SEAGATE Model: ST336607LW Rev: 0007 Type: Direct-Access ANSI SCSI revision: 03 Host: scsi0 Channel: 00 Id: 10 Lun: 00 Vendor: SEAGATE Model: ST336607LW Rev: 0007 Type: Direct-Access ANSI SCSI revision: 03 Host: scsi1 Channel: 00 Id: 00 Lun: 00 Vendor: SAMSUNG Model: CD-R/RW SW-252B Rev: R701 Type: CD-ROM ANSI SCSI revision: 02 Memory: The memory in this box is ECC. Could this exception be tied to a memory corruption detected by the ECC hardware? Thanks, John S.
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