On Wed, 13 Feb 2008 [EMAIL PROTECTED] wrote: > Dear list, > > I have problems with a usb device (mp3 player) which is handled by the > kernel modules in a wrong way. It is a usb 2.0 device (which behaves > as such on e.g. Mac OS X), but with the linux kernel (2.6.22-3 debian > kernel) I encounter only about 1MB/min of data transfer. > > A look into /proc/bus/usb/devices shows that the device is handled by > the ohci module instead of the ehci module. Can anybody explain to me > how to fix (debug) this problem? I am a bit lost with the usb modules, > which do not seem to have a debug option argument.
You can start by looking at the output from dmesg. If that doesn't provide enough information you can enable debugging by turning on CONFIG_USB_DEBUG -- it's a configuration setting rather than a module parameter. Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
