Messages in this thread | | | Subject | Re: [2.6.7] Ehci controller interrupts like crazy on nforce2 | From | Len Brown <> | Date | 10 Jul 2004 22:40:50 -0400 |
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On Thu, 2004-07-08 at 21:16, Jonathan Filiatrault wrote: > Here it is: another nforce2 hardware bug. The ehci controller seems to > send a massive number of interrupts to the kernel (264379 per second). > This uses about 5 to 10% of the cpu. This shows up in top in the > "hi"(hard interrupts) indicator. Nothing unusual shows up in the > kernel > log. My system has an Asus A7N8X Nforce2 Board with an Athlon XP 2800+ > mounted on it. > > [joe@omega3:~]$ cat /proc/interrupts ; sleep 1; cat /proc/interrupts > CPU0 > 0: 583513 XT-PIC timer
Please boot with "acpi_skip_timer_override" to fix your IRQ0. Yes, this workaround should be invoked automatically for you. No, it probably will not help your EHCI problem.
-Len
> 1: 1279 IO-APIC-edge i8042 > 7: 137293 IO-APIC-edge parport0 > 8: 0 IO-APIC-edge rtc > 9: 0 IO-APIC-level acpi > 14: 41463 IO-APIC-edge ide0 > 15: 23 IO-APIC-edge ide1 > 17: 9 IO-APIC-level EMU10K1 > 18: 18584 IO-APIC-level eth0 > 20: 121541873 IO-APIC-level ehci_hcd > 21: 0 IO-APIC-level ohci_hcd > 22: 0 IO-APIC-level ohci_hcd > NMI: 0 > LOC: 583348 > ERR: 0 > MIS: 0 > CPU0
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