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Description of problem: I have random crashes since I upgraded from Fedora 11 to Fedora 12. I searched the internet to try to find the root cause of the problem. I think problems with interrupts sharing and MSI is the root cause. This link describes symptoms very similar to the ones I have (including a solution that I did not try yet): http://www.nvnews.net/vbulletin/showthread.php?t=148987 I expience often a kernel oops when I insert my Openmoko phone to a USB port. Sometimes, I noticed that a crash occured just after playing a sound. (This all indicates that it might be an interrupt issue in my opinion) How reproducible: I can not reliable reproduce the crashes. But when I plug my Openmoko phone to one of the USB ports, the crash occurs more often, both while booting or just randomly. It results also often in a kernel oops. Additional info: cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 0: 143 0 0 0 IO-APIC-edge timer 1: 2 0 0 0 IO-APIC-edge i8042 4: 1 0 0 0 IO-APIC-edge 7: 0 0 0 0 IO-APIC-edge parport0 8: 1 0 0 0 IO-APIC-edge rtc0 9: 0 0 0 0 IO-APIC-fasteoi acpi 14: 0 0 0 0 IO-APIC-edge ata_piix 15: 0 0 0 0 IO-APIC-edge ata_piix 16: 3133 0 2750 0 IO-APIC-fasteoi uhci_hcd:usb5, HDA Intel, nvidia 18: 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb4 19: 176840 20692 69372 0 IO-APIC-fasteoi ata_piix, uhci_hcd:usb3 23: 38274 0 42783 0 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb2 27: 103 16204 0 19938 PCI-MSI-edge eth0 NMI: 0 0 0 0 Non-maskable interrupts LOC: 1746531 858991 1245917 458714 Local timer interrupts SPU: 0 0 0 0 Spurious interrupts PMI: 0 0 0 0 Performance monitoring interrupts PND: 0 0 0 0 Performance pending work RES: 11797 10285 10492 8892 Rescheduling interrupts CAL: 16076 2039 47975 2008 Function call interrupts TLB: 5613 5690 4179 5775 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: 16 16 16 16 Machine check polls
Could this be related to bug #564138?
I made some configuration changes: 1. added enable_msi=1 option to snd-hda-intel: cat /etc/modprobe.d/alsa-base.conf #options snd-hda-intel model=3stack-6ch options snd-hda-intel model=3stack-6ch enable_msi=1 2. added NVreg_EnableMSI=1 to nvidia: I created this file: cat /etc/modprobe.d/nvidia.conf options nvidia NVreg_EnableMSI=1 Now I have these interrupts: cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 0: 130 0 0 0 IO-APIC-edge timer 1: 2 0 0 0 IO-APIC-edge i8042 4: 2 0 0 0 IO-APIC-edge 7: 0 0 0 0 IO-APIC-edge parport0 8: 1 0 0 0 IO-APIC-edge rtc0 9: 0 0 0 0 IO-APIC-fasteoi acpi 14: 0 0 0 0 IO-APIC-edge ata_piix 15: 0 0 0 0 IO-APIC-edge ata_piix 16: 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb5 18: 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb4 19: 8349 0 51272 0 IO-APIC-fasteoi ata_piix, uhci_hcd:usb3 23: 8715 0 5114 0 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb2 27: 538 0 333 0 PCI-MSI-edge HDA Intel 28: 96 14598 0 2187 PCI-MSI-edge eth0 29: 298 0 476 0 PCI-MSI-edge nvidia NMI: 0 0 0 0 Non-maskable interrupts LOC: 322018 170226 244370 105919 Local timer interrupts SPU: 0 0 0 0 Spurious interrupts PMI: 0 0 0 0 Performance monitoring interrupts PND: 0 0 0 0 Performance pending work RES: 2434 1692 1591 1688 Rescheduling interrupts CAL: 12798 200 3783 234 Function call interrupts TLB: 1922 2152 3575 2108 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: 3 3 3 3 Machine check polls ERR: 3 MIS: 0 I will report later whether the stability of system increased.
Unfortunately, I experienced a system lock up during boot again.
Since I upgraded my FC11 to FC12, I am also experiencing lock-ups / system freezes. This is very annoying since the server is a critical machine in the network. On FC11, I never had even one lock-up. The only way to work around this that I found was to remove the kmod-nvidia drivers completely from the system and keep the "nomode" kernel parameter in grub. Information about the hardware: lspci -v 00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 02) Subsystem: Intel Corporation Device 5001 Flags: bus master, fast devsel, latency 0 Capabilities: [e0] Vendor Specific Information: Len=0c <?> 00:01.0 PCI bridge: Intel Corporation 4 Series Chipset PCI Express Root Port (rev 02) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: 0000e000-0000efff Memory behind bridge: d0000000-e30fffff Capabilities: [88] Subsystem: Intel Corporation Device 5001 Capabilities: [80] Power Management version 3 Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [a0] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Capabilities: [140] Root Complex Link Kernel driver in use: pcieport 00:19.0 Ethernet controller: Intel Corporation 82567LF-2 Gigabit Network Connection Subsystem: Intel Corporation Device 5001 Flags: bus master, fast devsel, latency 0, IRQ 27 Memory at e3100000 (32-bit, non-prefetchable) [size=128K] Memory at e3124000 (32-bit, non-prefetchable) [size=4K] I/O ports at f0e0 [size=32] Capabilities: [c8] Power Management version 2 Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [e0] Vendor Specific Information: Len=06 <?> Kernel driver in use: e1000e Kernel modules: e1000e 00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #4 (prog-if 00 [UHCI]) Subsystem: Intel Corporation Device 5001 Flags: bus master, medium devsel, latency 0, IRQ 16 I/O ports at f0c0 [size=32] Capabilities: [50] Vendor Specific Information: Len=06 <?> Kernel driver in use: uhci_hcd 00:1a.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #5 (prog-if 00 [UHCI]) Subsystem: Intel Corporation Device 5001 Flags: bus master, medium devsel, latency 0, IRQ 21 I/O ports at f0a0 [size=32] Capabilities: [50] Vendor Specific Information: Len=06 <?> Kernel driver in use: uhci_hcd 00:1a.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #6 (prog-if 00 [UHCI]) Subsystem: Intel Corporation Device 5001 Flags: bus master, medium devsel, latency 0, IRQ 18 I/O ports at f080 [size=32] Capabilities: [50] Vendor Specific Information: Len=06 <?> Kernel driver in use: uhci_hcd 00:1a.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #2 (prog-if 20 [EHCI]) Subsystem: Intel Corporation Device 5001 Flags: bus master, medium devsel, latency 0, IRQ 18 Memory at e3125400 (32-bit, non-prefetchable) [size=1K] Capabilities: [50] Power Management version 2 Capabilities: [58] Debug port: BAR=1 offset=00a0 Capabilities: [98] Vendor Specific Information: Len=06 <?> Kernel driver in use: ehci_hcd 00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD Audio Controller Subsystem: Intel Corporation Device 5001 Flags: bus master, fast devsel, latency 0, IRQ 22 Memory at e3120000 (64-bit, non-prefetchable) [size=16K] Capabilities: [50] Power Management version 2 Capabilities: [60] MSI: Enable- Count=1/1 Maskable- 64bit+ Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00 Capabilities: [100] Virtual Channel Capabilities: [130] Root Complex Link Kernel driver in use: HDA Intel Kernel modules: snd-hda-intel 00:1c.0 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 1 (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 I/O behind bridge: 00002000-00002fff Memory behind bridge: e3200000-e33fffff Prefetchable memory behind bridge: 00000000e3400000-00000000e35fffff Capabilities: [40] Express Root Port (Slot+), MSI 00 Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [90] Subsystem: Intel Corporation Device 5001 Capabilities: [a0] Power Management version 2 Capabilities: [100] Virtual Channel Capabilities: [180] Root Complex Link Kernel driver in use: pcieport 00:1c.1 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 2 (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=03, subordinate=03, sec-latency=0 I/O behind bridge: 0000d000-0000dfff Memory behind bridge: e4000000-e60fffff Prefetchable memory behind bridge: 00000000e3600000-00000000e37fffff Capabilities: [40] Express Root Port (Slot+), MSI 00 Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [90] Subsystem: Intel Corporation Device 5001 Capabilities: [a0] Power Management version 2 Capabilities: [100] Virtual Channel Capabilities: [180] Root Complex Link Kernel driver in use: pcieport 00:1d.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #1 (prog-if 00 [UHCI]) Subsystem: Intel Corporation Device 5001 Flags: bus master, medium devsel, latency 0, IRQ 23 I/O ports at f060 [size=32] Capabilities: [50] Vendor Specific Information: Len=06 <?> Kernel driver in use: uhci_hcd 00:1d.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #2 (prog-if 00 [UHCI]) Subsystem: Intel Corporation Device 5001 Flags: bus master, medium devsel, latency 0, IRQ 19 I/O ports at f040 [size=32] Capabilities: [50] Vendor Specific Information: Len=06 <?> Kernel driver in use: uhci_hcd 00:1d.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #3 (prog-if 00 [UHCI]) Subsystem: Intel Corporation Device 5001 Flags: bus master, medium devsel, latency 0, IRQ 18 I/O ports at f020 [size=32] Capabilities: [50] Vendor Specific Information: Len=06 <?> Kernel driver in use: uhci_hcd 00:1d.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #1 (prog-if 20 [EHCI]) Subsystem: Intel Corporation Device 5001 Flags: bus master, medium devsel, latency 0, IRQ 23 Memory at e3125000 (32-bit, non-prefetchable) [size=1K] Capabilities: [50] Power Management version 2 Capabilities: [58] Debug port: BAR=1 offset=00a0 Capabilities: [98] Vendor Specific Information: Len=06 <?> Kernel driver in use: ehci_hcd 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 90) (prog-if 01 [Subtractive decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=04, subordinate=04, sec-latency=32 I/O behind bridge: 0000c000-0000cfff Memory behind bridge: e6200000-e62fffff Capabilities: [50] Subsystem: Intel Corporation Device 5001 00:1f.0 ISA bridge: Intel Corporation 82801JIR (ICH10R) LPC Interface Controller Subsystem: Intel Corporation Device 5001 Flags: bus master, medium devsel, latency 0 Capabilities: [e0] Vendor Specific Information: Len=0c <?> Kernel modules: iTCO_wdt 00:1f.2 IDE interface: Intel Corporation 82801JI (ICH10 Family) 4 port SATA IDE Controller (prog-if 8a [Master SecP PriP]) Subsystem: Intel Corporation Device 5001 Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 19 I/O ports at 01f0 [size=8] I/O ports at 03f4 [size=1] I/O ports at 0170 [size=8] I/O ports at 0374 [size=1] I/O ports at f170 [size=16] I/O ports at f160 [size=16] Capabilities: [70] Power Management version 3 Capabilities: [b0] Vendor Specific Information: Len=06 <?> Kernel driver in use: ata_piix 00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller Subsystem: Intel Corporation Device 5001 Flags: medium devsel, IRQ 18 Memory at e3125800 (64-bit, non-prefetchable) [size=256] I/O ports at f000 [size=32] Kernel driver in use: i801_smbus Kernel modules: i2c-i801 00:1f.5 IDE interface: Intel Corporation 82801JI (ICH10 Family) 2 port SATA IDE Controller (prog-if 85 [Master SecO PriO]) Subsystem: Intel Corporation Device 5001 Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 19 I/O ports at f150 [size=8] I/O ports at f140 [size=4] I/O ports at f130 [size=8] I/O ports at f120 [size=4] I/O ports at f110 [size=16] I/O ports at f100 [size=16] Capabilities: [70] Power Management version 3 Capabilities: [b0] Vendor Specific Information: Len=06 <?> Kernel driver in use: ata_piix 01:00.0 VGA compatible controller: nVidia Corporation GeForce 8400 GS (rev a1) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Device 82b2 Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at e2000000 (32-bit, non-prefetchable) [size=16M] Memory at d0000000 (64-bit, prefetchable) [size=256M] Memory at e0000000 (64-bit, non-prefetchable) [size=32M] I/O ports at e000 [size=128] Expansion ROM at e3000000 [disabled] [size=128K] Capabilities: [60] Power Management version 3 Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+ Capabilities: [78] Express Endpoint, MSI 00 Capabilities: [100] Virtual Channel Capabilities: [128] Power Budgeting <?> Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?> Kernel modules: nouveau, nvidiafb 03:00.0 RAID bus controller: 3ware Inc 9650SE SATA-II RAID PCIe (rev 01) Subsystem: 3ware Inc 9650SE SATA-II RAID PCIe Physical Slot: 0-1 Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at e4000000 (64-bit, prefetchable) [size=32M] Memory at e6020000 (64-bit, non-prefetchable) [size=4K] I/O ports at d000 [size=256] Expansion ROM at e6000000 [disabled] [size=128K] Capabilities: [40] Power Management version 2 Capabilities: [50] MSI: Enable- Count=1/32 Maskable- 64bit+ Capabilities: [70] Express Legacy Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Kernel driver in use: 3w-9xxx Kernel modules: 3w-9xxx 04:00.0 FireWire (IEEE 1394): Agere Systems FW322/323 (rev 70) (prog-if 10 [OHCI]) Subsystem: Intel Corporation Device 5001 Flags: bus master, medium devsel, latency 32, IRQ 19 Memory at e6202000 (32-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 2 Kernel driver in use: firewire_ohci Kernel modules: firewire-ohci 04:02.0 Serial controller: Titan Electronics Inc VScom 200HV2 2 port serial adaptor (prog-if 06 [16950]) Subsystem: Oxford Semiconductor Ltd Device 0001 Flags: medium devsel, IRQ 20 I/O ports at c030 [size=8] I/O ports at c020 [size=8] I/O ports at c000 [size=32] Memory at e6201000 (32-bit, non-prefetchable) [size=4K] Memory at e6200000 (32-bit, non-prefetchable) [size=4K] Capabilities: [40] Power Management version 1 Kernel driver in use: serial [root@ls2ka ~]# cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 0: 249 7 0 7 IO-APIC-edge timer 1: 0 1 1 0 IO-APIC-edge i8042 4: 0 2 2 0 IO-APIC-edge 8: 0 1 0 0 IO-APIC-edge rtc0 9: 0 0 0 0 IO-APIC-fasteoi acpi 12: 1 0 1 2 IO-APIC-edge i8042 14: 15985 13397 13366 13423 IO-APIC-edge ata_piix 15: 0 0 0 0 IO-APIC-edge ata_piix 16: 2 1 1 3 IO-APIC-fasteoi uhci_hcd:usb3, nouveau@pci:0000:01:00.0 17: 1228 1240 64478 61299 IO-APIC-fasteoi 3w-9xxx 18: 1 0 0 2 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb5, uhci_hcd:usb8 19: 629 2 0 4 IO-APIC-fasteoi ata_piix, uhci_hcd:usb7, firewire_ohci 20: 262 222 14278 13019 IO-APIC-fasteoi serial 21: 25 22 21 23 IO-APIC-fasteoi uhci_hcd:usb4 22: 57 58 314 313 IO-APIC-fasteoi HDA Intel 23: 0 0 0 0 IO-APIC-fasteoi ehci_hcd:usb2, uhci_hcd:usb6 25: 0 0 0 0 PCI-MSI-edge pciehp 26: 0 0 0 0 PCI-MSI-edge pciehp 27: 68 59 57 185642 PCI-MSI-edge eth0 NMI: 0 0 0 0 Non-maskable interrupts LOC: 1219391 786428 1311310 582544 Local timer interrupts SPU: 0 0 0 0 Spurious interrupts PMI: 0 0 0 0 Performance monitoring interrupts PND: 0 0 0 0 Performance pending work RES: 21080 14775 22510 13164 Rescheduling interrupts CAL: 83334 158 1244 156 Function call interrupts TLB: 20972 23054 20635 21926 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: 136 136 136 136 Machine check polls ERR: 3 MIS: 0
To be clear: I also never had the crashes on Fedora 11. Recently I changed my bios settings to: PnP aware OS enabled. But I had a system hang after that again. However, the system crashes occur less frequently after enabling interupt sharing (MSI) for nvidia and nda-intel. Also, this bug #589007 may be related.
Messages from a crash yesterday: May 22 01:08:49 thorin kernel: irq 16: nobody cared (try booting with the "irqpoll" option) May 22 01:08:49 thorin kernel: Pid: 0, comm: swapper Tainted: P 2.6.32.12-115.fc12.x86_64 #1 May 22 01:08:49 thorin kernel: Call Trace: May 22 01:08:49 thorin kernel: <IRQ> [<ffffffff810ae5a0>] __report_bad_irq+0x3d/0x8c May 22 01:08:49 thorin kernel: [<ffffffff810ae707>] note_interrupt+0x118/0x17d May 22 01:08:49 thorin kernel: [<ffffffff810aee10>] handle_fasteoi_irq+0xa1/0xc7 May 22 01:08:49 thorin kernel: [<ffffffff81014625>] handle_irq+0x8b/0x96 May 22 01:08:49 thorin kernel: [<ffffffff8145acf4>] do_IRQ+0x5c/0xbc May 22 01:08:49 thorin kernel: [<ffffffff81012693>] ret_from_intr+0x0/0x11 May 22 01:08:49 thorin kernel: <EOI> [<ffffffff81019157>] ? mwait_idle+0x7a/0x88 May 22 01:08:49 thorin kernel: [<ffffffff81019109>] ? mwait_idle+0x2c/0x88 May 22 01:08:49 thorin kernel: [<ffffffff81010cdd>] ? cpu_idle+0xaa/0xe4 May 22 01:08:49 thorin kernel: [<ffffffff8143fca7>] ? rest_init+0x6b/0x6d May 22 01:08:49 thorin kernel: [<ffffffff81817ddc>] ? start_kernel+0x400/0x40b May 22 01:08:49 thorin kernel: [<ffffffff818172c1>] ? x86_64_start_reservations+0xac/0xb0 May 22 01:08:49 thorin kernel: [<ffffffff818173bd>] ? x86_64_start_kernel+0xf8/0x107 May 22 01:08:49 thorin kernel: handlers: May 22 01:08:49 thorin kernel: [<ffffffff8132f4c3>] (usb_hcd_irq+0x0/0x7b) May 22 01:08:49 thorin kernel: Disabling IRQ #16 May 22 01:09:02 thorin kernel: NVRM: Xid (0001:00): 8, Channel 00000001 May 22 01:09:03 thorin kernel: Clocksource tsc unstable (delta = 452500466 ns) May 22 01:09:03 thorin kernel: Switching to clocksource hpet May 22 01:09:16 thorin abrt[14462]: can't read /proc/13354/exe link May 22 01:09:35 thorin gnome-keyring-daemon[13415]: dbus failure unregistering from session: Connection is closed May 22 01:09:35 thorin gnome-keyring-daemon[13415]: dbus failure unregistering from session: Connection is closed May 22 01:09:37 thorin kernel: NVRM: RmInitAdapter failed! (0x26:0xffffffff:1076) May 22 01:09:37 thorin kernel: NVRM: rm_init_adapter(0) failed May 22 01:09:37 thorin gdm-binary[1914]: WARNING: GdmDisplay: display lasted 2.667359 seconds May 22 01:09:40 thorin bonobo-activation-server (jan-14480): could not associate with desktop session: Failed to connect to socket /tmp/dbus-AE3bE7lHJe: Connection refused May 22 01:10:12 thorin acpid: client 13354[0:0] has disconnected May 22 01:10:18 thorin init: prefdm main process (1914) killed by KILL signal
See http://forums.fedoraforum.org/showthread.php?t=245839 for similar problem on Fedora 13. With the same symptoms I have (now also on Fedora 13).
Possible related bugs: https://bugzilla.redhat.com/show_bug.cgi?id=594542 https://bugzilla.redhat.com/show_bug.cgi?id=587371 https://bugzilla.redhat.com/show_bug.cgi?id=573327
I removed the nvidia drivers, and I'm using nouveau now. The crashes still occur...
Yes, that also happened to me. I added "nomodeset" to the grub configuration's kernel parameter line. So far, the system seems to be running stable. Can you try that?
tried 'nomodeset' but this caused my system to boot in a very low resolution maybe 640x480. After manually selecting a standard LCD monitor with 1280x1024 the screen was garbled, but the items on the desktop were still kind of recognizable.
I updated the motherboard's bios to the latest bios version and this seems to help. I am running the system now with the standard xorg-x11-drv-nouveau with kms and it seems to be stable.
Eddie, what motherboard do you have? I have an Asus P5B-MX.
Intel moederbord 'Skyburg' BOXDP45SG/P45
Jan, Since the BIOS update I have not experienced any crashes anymore. It seems my problem is solved now. I hope something similar might work for you too? Regards, Eddie.
I updated my bios (now version 0704), but crashes still occur. See also this thread for similar problems: http://fedoraforum.org/forum/showthread.php?t=235793
Yesterday, I enabled 'PEG force x1' in my BIOS. No crashes since then.
Probably related to, or similar as bug #596330.
Copied here from now closed bug #589007: - The problems started for me after the upgrade to Fedora 12. - Fedora 11 was rock stable. - Fedora 13 still has the issue. - First, I thought it was nvidia driver related. Then I removed all nvidia stuff, and I'm using nouveau now, but the bug still is there. - Sometimes, my system runs for hours without a crash. - Sometimes, it hangs already during boot. - The more hardware is connected, the sooner the crash occurs (e.g. external disk, Openmoko phone, both via USB). - I have the impression that I have less frequent freezes after using MSI interrupts for my audio (and nvidia, when I was still using this driver). - I'm using an ASUS P5B-MX motherboard. - The system freezes without leaving any logging about errors. See comment #17 for my current work around, but I think that this will have a serious performance penalty.
This message is a reminder that Fedora 13 is nearing its end of life. Approximately 30 (thirty) days from now Fedora will stop maintaining and issuing updates for Fedora 13. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as WONTFIX if it remains open with a Fedora 'version' of '13'. Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version prior to Fedora 13's end of life. Bug Reporter: Thank you for reporting this issue and we are sorry that we may not be able to fix it before Fedora 13 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora please change the 'version' of this bug to the applicable version. If you are unable to change the version, please add a comment here and someone will do it for you. Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete. The process we are following is described here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
Fedora 13 changed to end-of-life (EOL) status on 2011-06-25. Fedora 13 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.