David: Can you please take a look at this? Earlier parts of the thread are available at
http://marc.theaimsgroup.com/?l=linux-usb-users&m=109358164500088&w=2 Alan Stern On Fri, 27 Aug 2004, Darren Marshall wrote: > On Fri, Aug 27, 2004 at 10:38:42AM -0400, Alan Stern wrote: > > On Fri, 27 Aug 2004, Darren Marshall wrote: > > > > > OK, attached is the stack trace for the cat process. > > > ACPI is not configured in my kernel as my motherboard only supports APM. > > > However, just to be sure I added "pci=noacpi acpi=noirq" to the kernel > > > command line and the result is exactly the same behaviour. > > > > It still looks like your USB controller isn't getting the interrupts it > > needs. Can you figure out which IRQ the controller is using and check its > > entry in /proc/interrupts to see if another device is sharing the IRQ? > > Also, can you check the number of interrupts received (listed in > > /proc/interrupts) to see whether the number goes up when you start running > > "cat"? > > > > Alan Stern > > > > > > /proc/interrupts shows ohci_hcd with an irq of 10 that is not shared by any > other device: > > homer > cat /proc/interrupts > CPU0 > 0: 634303 XT-PIC timer > 1: 731 XT-PIC i8042 > 2: 0 XT-PIC cascade > 7: 717 XT-PIC parport0 > 8: 0 XT-PIC rtc > 9: 324 XT-PIC eth0 > 10: 54 XT-PIC ohci_hcd > 11: 36872 XT-PIC Ensoniq AudioPCI, nvidia > 12: 6548 XT-PIC i8042 > 14: 2918 XT-PIC ide0 > 15: 24 XT-PIC ide1 > NMI: 0 > LOC: 634272 > ERR: 8 > > The number of interrupts received did not change when I executed the "cat". > > Darren > ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_id=5047&alloc_id=10808&op=click _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
