The versions of the precise kernel installed on my machine are: linux-image-3.2.0-17-generic 3.2.0-17.27 Linux kernel image for version 3.2.0 on 64bit x86 SMP linux-image-3.2.0-18-generic 3.2.0-18.29 Linux kernel image for version 3.2.0 on 64bit x86 SMP linux-image-3.2.0-19-generic 3.2.0-19.31 Linux kernel image for version 3.2.0 on 64bit x86 SMP linux-image-3.2.0-20-generic 3.2.0-20.33 Linux kernel image for version 3.2.0 on 64bit x86 SMP linux-image-3.2.0-21-generic 3.2.0-21.34 Linux kernel image for version 3.2.0 on 64bit x86 SMP All after -17 (the top one) exhibit the described behavior. I cannot gathter data on any newer kernel because they all fail to boot. They panic before logging to the drive is enabled. Below find the output of the commands lspci -vvvn lspnp -vvv cat /proc/interrupts Note: These were all run on -17 since none of the other kernels boot. 00:00.0 0600: 10de:0a82 (rev b1) Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap- 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- Kernel driver in use: nForce2_smbus Kernel modules: i2c-nforce2 00:03.3 0500: 10de:0a89 (rev b1) Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap- 66MHz+ UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR- TAbort- SERR- Kernel driver in use: ohci_hcd 00:04.1 0c03: 10de:0aa6 (rev b1) (prog-if 20 [EHCI]) Subsystem: 1028:02a1 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- Kernel driver in use: ehci_hcd 00:06.0 0c03: 10de:0aa7 (rev b1) (prog-if 10 [OHCI]) Subsystem: 1028:02a1 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- Kernel driver in use: ohci_hcd 00:06.1 0c03: 10de:0aa9 (rev b1) (prog-if 20 [EHCI]) Subsystem: 1028:02a1 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- Kernel driver in use: ehci_hcd 00:08.0 0403: 10de:0ac0 (rev b1) Subsystem: 10de:cb79 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel 00:09.0 0604: 10de:0aab (rev b1) (prog-if 01 [Subtractive decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr+ DiscTmrStat- DiscTmrSERREn- Capabilities: 00:0a.0 0200: 10de:0ab0 (rev b1) Subsystem: 1028:02a1 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- Kernel driver in use: forcedeth Kernel modules: forcedeth 00:0b.0 0106: 10de:0ab9 (rev b1) (prog-if 01 [AHCI 1.0]) Subsystem: 1028:02a1 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- Kernel driver in use: ahci 00:0c.0 0604: 10de:0ac4 (rev b1) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: Kernel driver in use: pcieport Kernel modules: shpchp 00:0d.0 0604: 10de:0ac5 (rev b1) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: Kernel driver in use: pcieport Kernel modules: shpchp 00:15.0 0604: 10de:0ac6 (rev b1) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: Kernel driver in use: pcieport Kernel modules: shpchp 00:16.0 0604: 10de:0ac7 (rev b1) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: Kernel driver in use: pcieport Kernel modules: shpchp 00:17.0 0604: 10de:0ac7 (rev b1) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: Kernel driver in use: pcieport Kernel modules: shpchp 00:18.0 0604: 10de:0ac7 (rev b1) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: Kernel driver in use: pcieport Kernel modules: shpchp 01:07.0 0c00: 1180:0832 (rev 05) (prog-if 10 [OHCI]) Subsystem: 1028:02a1 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: firewire_ohci Kernel modules: firewire-ohci 01:07.1 0805: 1180:0822 (rev 22) Subsystem: 1028:02a1 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: sdhci-pci Kernel modules: sdhci-pci 01:07.2 0880: 1180:0592 (rev 12) Subsystem: 1028:02a1 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: r592 Kernel modules: r592 01:07.3 0880: 1180:0852 (rev 12) Subsystem: 1028:02a1 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: r852 Kernel modules: r852 02:00.0 0300: 10de:0618 (rev a2) (prog-if 00 [VGA controller]) Subsystem: 1028:02a1 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- [disabled] Capabilities: Kernel driver in use: nvidia Kernel modules: nvidia, nvidia_current_updates, nvidia_current, nouveau, nvidiafb 03:00.0 0300: 10de:0618 (rev a2) (prog-if 00 [VGA controller]) Subsystem: 1028:02a1 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Kernel driver in use: nvidia Kernel modules: nvidia, nvidia_current_updates, nvidia_current, nouveau, nvidiafb 06:00.0 0280: 8086:422c (rev 35) Subsystem: 8086:1301 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Kernel driver in use: iwlwifi Kernel modules: iwlwifi 00:00 PNP0c01 System board state = active allocated resources: mem 0xffc00000-0xffffffff mem 0xfec00000-0xfec00fff mem 0xfee00000-0xfeefffff mem 0xfed00000-0xfed00fff 00:01 PNP0a08 (unknown) state = active allocated resources: bus 0x0-0xff io 0xcf8-0xcff io 0x0-0xcf7 window io 0xd00-0xffff window mem 0xa0000-0xbffff window mem 0xc0000-0xc3fff window mem 0xc4000-0xc7fff window mem 0xc8000-0xcbfff window mem 0xcc000-0xcffff window mem 0xd0000-0xd3fff window mem 0xd4000-0xd7fff window mem 0xd8000-0xdbfff window mem 0xdc000-0xdffff window mem 0xe0000-0xe3fff window mem 0xe4000-0xe7fff window mem 0xe8000-0xebfff window mem 0xec000-0xeffff window mem 0xf0000-0xfffff window mem 0xa0000000-0xdfffffff window mem 0xf0000000-0xfebfffff window compatible devices: PNP0a03 PCI bus 00:02 PNP0103 High-Precision Event Timer state = active allocated resources: irq disabled irq 8 mem 0xfed00000-0xfed003ff 00:03 PNP0c02 Motherboard resources state = active allocated resources: mem 0xe0000000-0xefffffff 00:04 PNP0c02 Motherboard resources state = active allocated resources: io 0x1000-0x107f io 0x1080-0x10ff io 0x1400-0x147f io 0x1480-0x14ff io 0x1800-0x187f io 0x1880-0x18ff io 0x3040-0x307f io 0x2000-0x203f 00:05 PNP0303 IBM enhanced keyboard (101/102-key, PS/2 mouse support) state = active allocated resources: io 0x60-0x60 io 0x64-0x64 irq 1 00:06 SYN0b12 (unknown) state = active allocated resources: irq 12 compatible devices: SYN0b00 (unknown) SYN0002 Synaptics PS/2 Port Pointing Device PNP0f13 PS/2 port for PS/2-style mice 00:07 PNP0c02 Motherboard resources state = active allocated resources: io 0x10-0x1f io 0x22-0x3f io 0x44-0x5f io 0x67-0x6f io 0x72-0x73 io 0x74-0x7f io 0x91-0x93 io 0x97-0x9f io 0xa2-0xbf io 0xe0-0xef io 0x4d0-0x4d1 io 0x80-0x80 io 0x910-0x911 io 0x295-0x296 00:08 PNP0200 AT DMA controller state = active allocated resources: io 0x0-0x8 io 0xa-0xf io 0x81-0x83 io 0x87-0x87 io 0x89-0x8b io 0x8f-0x8f io 0xc0-0xd1 io 0xd4-0xdf dma 4 00:09 PNP0800 AT speaker state = active allocated resources: io 0x61-0x61 00:0a PNP0b00 AT real-time clock state = active allocated resources: io 0x70-0x71 00:0b PNP0c04 Math coprocessor state = active allocated resources: io 0xf0-0xf1 irq 13 00:0c ITE8708 (unknown) state = active allocated resources: io 0x310-0x317 irq 10 possible resources: Dependent: 00 - Priority acceptable port 0x310-0x310, align 0x0, size 0x8, 16-bit address decoding irq 10 High-Edge CPU0 CPU1 CPU2 CPU3 0: 113976 0 0 0 IO-APIC-edge timer 1: 1143 0 0 0 IO-APIC-edge i8042 7: 1 0 0 0 IO-APIC-edge 8: 1 0 0 0 IO-APIC-edge rtc0 9: 1688 0 0 0 IO-APIC-fasteoi acpi 10: 172 0 0 0 IO-APIC-edge ite-cir 11: 6 0 0 0 IO-APIC-fasteoi mmc0, firewire_ohci, r592, r852 12: 52041 0 1253 0 IO-APIC-edge i8042 16: 36 0 0 0 IO-APIC-fasteoi ehci_hcd:usb2 17: 271 0 0 0 IO-APIC-fasteoi snd_hda_intel 20: 0 0 0 0 IO-APIC-fasteoi eth0 21: 1480 0 0 0 IO-APIC-fasteoi ohci_hcd:usb4 22: 420 0 145 0 IO-APIC-fasteoi ohci_hcd:usb3, nvidia 23: 169 0 2804 0 IO-APIC-fasteoi ehci_hcd:usb1, nvidia 40: 32747 0 0 0 PCI-MSI-edge ahci 41: 32276 0 0 0 PCI-MSI-edge iwlwifi NMI: 60 40 48 41 Non-maskable interrupts LOC: 16336 43575 38727 36632 Local timer interrupts SPU: 0 0 0 0 Spurious interrupts PMI: 60 40 48 41 Performance monitoring interrupts IWI: 0 0 0 0 IRQ work interrupts RES: 37783 47585 31382 32941 Rescheduling interrupts CAL: 21451 18109 29603 20635 Function call interrupts TLB: 9549 4120 2341 2600 TLB shootdowns TRM: 0 0 0 0 Thermal event interrupts THR: 0 0 0 0 Threshold APIC interrupts MCE: 0 0 0 0 Machine check exceptions MCP: 2 2 2 2 Machine check polls ERR: 1 MIS: 0