On Sun, 13 Mar 2005, Guilhem Lavaux wrote: > Hi, > > I'm currently running a vanilla 2.6.11 kernel but the problem I will > report was already there in 2.6.10 and was seldom appearing on 2.6.8.1. > The problem is present both with acpi=force and acpi=off.
> Nearly whenever I boot the kernel the usb subsystem reports these messages: > uhci_hcd 0000:00:1d.1: UHCI Host Controller > usb 1-2: new full speed USB device using uhci_hcd and address 2 > uhci_hcd 0000:00:1d.0: Unlink after no-IRQ? Controller is probably > using the wrong IRQ. > PCI: Setting latency timer of device 0000:00:1d.1 to 64 > uhci_hcd 0000:00:1d.1: irq 5, io base 0xe880 > uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 2 > usb 1-2: khubd timed out on ep0in > usb 1-2: device descriptor read/64, error -110 > > and the peripheral is unavailable. > > If I remove uhci_hcd and load it again then everything is fine > > uhci_hcd 0000:00:1d.2: UHCI Host Controller > PCI: Setting latency timer of device 0000:00:1d.2 to 64 > uhci_hcd 0000:00:1d.2: irq 9, io base 0xec00 > uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 3 > > > and nothing else besides device detection. > > However if I try to plug an USB 1 device on another bus then I get the > first message until I reload again the driver. > > > Anything more you want to debug this ? :) Please post the complete system log for the period starting with the host controller initialization and including the time when you do the rmmod, modprobe, and plug in another low-speed device on another controller. Also please set CONFIG_USB_DEBUG before running the test. Alan Stern ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
