Chuck Ebbert wrote: > On 09/06/2007 07:31 AM, Andi Kleen wrote: > > Chuck Ebbert <[EMAIL PROTECTED]> writes: > >> Some systems lock up without the noapic option. > > > > Please find patterns: cpu type, chipsets, mainboard vendors etc. > > This is the first one I've actually had in front of me: > > HP TX1000 notebook > Nvidia C51/MCP51 mobile chipset > > Booting with "noapic" gives some very strange results. This is two > snapshots of /proc/interrupts taken one second apart. It almost looks > like timer interrupts are occurring on IRQ 0 and IRQ7 on different > CPUs: > > CPU0 CPU1 > 0: 446096 6224 XT-PIC-XT timer > 1: 342 6 XT-PIC-XT i8042 > 2: 0 0 XT-PIC-XT cascade > 5: 3099 865 XT-PIC-XT sata_nv > 7: 8145 494718 XT-PIC-XT ehci_hcd:usb2 > 8: 0 0 XT-PIC-XT rtc0 > 9: 323 9 XT-PIC-XT acpi > 10: 136 36 XT-PIC-XT HDA Intel > 11: 43884 1091 XT-PIC-XT ohci_hcd:usb1, eth0 > 12: 104 19 XT-PIC-XT i8042 > 14: 1011 25 XT-PIC-XT libata > 15: 0 0 XT-PIC-XT libata > NMI: 0 0 > LOC: 6212 445951 > ERR: 403241 > MIS: 0
You may want to try to reconfigure your bios to reserve irq 5/7 for isa only. Then post /proc/interrupts again. Thanks! -- Al - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
