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SubjectRe: Mucho timeouts on USB
On Fri, Feb 09, 2001, John Cavan <johnc@damncats.org> wrote:
> Just got a D-Link USB radio (R100) and I'm seeing lots of timeouts with
> it. I've seen this through the last few 2.4.1+ and -ac+ kernels.
>
> Current config:
>
> Dual P3-500 w/ 512mb of RAM
> Tyan Tiger 133 mobo with VIA chipset, onboard USB
> Kernel 2.4.1-ac9 compiled with egcs-1.1.2
>
> The only thing funky is that three devices are sharing an interrupt:
>
> CPU0 CPU1
> 0: 216690 219652 IO-APIC-edge timer
> 1: 3564 3816 IO-APIC-edge keyboard
> 2: 0 0 XT-PIC cascade
> 3: 7 20 IO-APIC-edge serial
> 5: 1017 1135 IO-APIC-level EMU10K1
> 8: 0 1 IO-APIC-edge rtc
> 11: 22978 22756 IO-APIC-level aic7xxx, eth0, usb-uhci
> 12: 64220 63272 IO-APIC-edge PS/2 Mouse
> 14: 12132 12810 IO-APIC-edge ide0
> 15: 3 10 IO-APIC-edge ide1
> NMI: 436327 436327
> LOC: 436151 436128
> ERR: 0
>
> The ethernet card is a 3Com 3c905, the SCSI card is Adaptec 7892B (19160
> card). No problems with either as far as I can tell, but one of these
> modules may not be playing nice with interrupt sharing.
>
> The messages:
>
> usb.c: registered new driver usbdevfs
> usb.c: registered new driver hub
> usb-uhci.c: $Revision: 1.251 $ time 17:33:47 Feb 9 2001
> usb-uhci.c: High bandwidth mode enabled
> usb-uhci.c: USB UHCI at I/O 0xd400, IRQ 11
> usb-uhci.c: Detected 2 ports
> usb.c: new USB bus registered, assigned bus number 1
> usb_control/bulk_msg: timeout
> usb.c: USB device not accepting new address=2 (error=-110)
> usb.c: USB device 3 (vend/prod 0x4b4/0x1002) is not claimed by any
> active driver.
> usb_control/bulk_msg: timeout
> usb.c: error getting string descriptor 0 (error=-110)
> usb_control/bulk_msg: timeout
> usb.c: error getting string descriptor 0 (error=-110)
> usb_control/bulk_msg: timeout
> usb.c: error getting string descriptor 0 (error=-110)
> usb_control/bulk_msg: timeout
> usb.c: error getting string descriptor 0 (error=-110)
> usb_control/bulk_msg: timeout
> usb_control/bulk_msg: timeout
> usb_control/bulk_msg: timeout
> usb_control/bulk_msg: timeout
> usb_control/bulk_msg: timeout

Looks like an IRQ routing problem. We've seen a lot of these and I'm not
sure why the current IRQ routing code doesn't work correctly on some
systems but works fine on others.

Does anyone have any idea why it's not working for him?

JE

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