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SubjectRe: USB Problems with 2.4.19-pre10-ac2
On Thu, Jun 13, 2002, Martin Knoblauch <knobi@knobisoft.de> wrote:
> on connecting an Olympus 2100UZ camera via USB for use with gphoto2
> I get the following messages from the kernel:
>
> usb.c: registered new driver usbdevfs
> usb.c: registered new driver hub
> usb-uhci.c: $Revision: 1.275 $ time 18:05:42 Jun 13 2002
> usb-uhci.c: High bandwidth mode enabled
> usb-uhci.c: USB UHCI at I/O 0xd800, IRQ 11
> usb-uhci.c: Detected 2 ports
> usb.c: new USB bus registered, assigned bus number 1
> hub.c: USB hub found
> hub.c: 2 ports detected
> usb-uhci.c: USB UHCI at I/O 0xdc00, IRQ 11
> usb-uhci.c: Detected 2 ports
> usb.c: new USB bus registered, assigned bus number 2
> hub.c: USB hub found
> hub.c: 2 ports detected
> usb-uhci.c: v1.275:USB Universal Host Controller Interface driver
> hub.c: USB new device connect on bus1/2, assigned device number 2
> isapnp: Scanning for PnP cards...
> isapnp: No Plug & Play device found
> usb_control/bulk_msg: timeout
> usb.c: USB device not accepting new address=2 (error=-110)
> hub.c: USB new device connect on bus1/2, assigned device number 3
> usb_control/bulk_msg: timeout
> usb.c: USB device not accepting new address=3 (error=-110)
>
> Suspicious are the "usb_control/bulk_msg: timeout" messages and the "not
> accepting" stuff. Same happens with the uhci.o module. The camera works with
> the 2.4.18-4GB kernel from SuSE8.0. So I suspect some problems with
> 2.4.19-pre10-ac2. Unfortunatelly I cannot build 2.4.19-pre10 alone, due to
> compilation errors.
>
> Any idea? System in question is based on the VIA KT333 chipset, with an
> xp2100+ CPU.

Almost definately an IRQ routing problem. Check APIC options in kernel,
try using noapic on kernel command line, etc.

JE

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