Re: Still some problems with UHCI driver in 2.4.5 on VIA chipsets

Johannes Erdfelt
2001-06-18T00:09:22Z

On Sun, Jun 17, 2001, Dylan Griffiths <Dylan_G@bigfoot.com> wrote:
> dmesg log:
> usb.c: registered new driver dc2xx
> dc2xx.c: v1.0.0 David Brownell, <dbrownell@users.sourceforge.net>
> dc2xx.c: USB Camera Driver for Kodak DC-2xx series cameras
> PCI: Found IRQ 5 for device 00:04.2
> PCI: The same IRQ used for device 00:04.3
> uhci.c: USB UHCI at I/O 0xd400, IRQ 5
> usb.c: new USB bus registered, assigned bus number 1
> hub.c: USB hub found
> hub.c: 2 ports detected
> PCI: Found IRQ 5 for device 00:04.3
> PCI: The same IRQ used for device 00:04.2
> uhci.c: USB UHCI at I/O 0xd000, IRQ 5
> usb.c: new USB bus registered, assigned bus number 2
> hub.c: USB hub found
> hub.c: 2 ports detected
> uhci.c: Linus Torvalds, Johannes Erdfelt, Randy Dunlap, Georg Acher, Deti
> Fliegl, Thomas Sailer, Roman Weissgaerber
> uhci.c: USB Universal Host Controller Interface driver
> hub.c: USB new device connect on bus1/2, assigned device number 2
> dc2xx.c: USB Camera #0 connected, major/minor 180/80
> ** here is where it froze **
> usb_control/bulk_msg: timeout
> usb_control/bulk_msg: timeout
> usb_control/bulk_msg: timeout
> usb_control/bulk_msg: timeout
> usb.c: USB disconnect on device 2
> 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
> 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
> usb_control/bulk_msg: timeout
> usb_control/bulk_msg: timeout
> usb_control/bulk_msg: timeout
> ** rmmod the drivers **
> dc2xx.c: USB Camera #0 disconnected
> usb.c: USB disconnect on device 1
> usb.c: USB bus 1 deregistered
> usb.c: USB disconnect on device 1
> usb.c: USB bus 2 deregistered
> usb.c: deregistering driver dc2xx
> ** usbcore refuses to rmmod because its ref cnt won't decrement, this also
> affected it before I had the usb_control/bulk_msg timeout/loop issues **

Could you load uhci with the debug=1 option?

JE