On Sat, 14 Feb 2009, Andrew Morton wrote: > > http://bugzilla.kernel.org/show_bug.cgi?id=12704 > > Problem Description: USB host drived by ehci-hcd is not able to detect plugged > > devices properly. Device information is filled with random strings. ohci seems > > to drive them properly, but only with USB 1.1 speed, what is painful, when you > > try to fill external hdd with 40 GBytes of data. Tried both with nvidia drivers > > loaded and unloaded. > > > > Steps to reproduce: load ehci-hcd, plug in usb storage device (or bluetooth > > dongle) and watch dmesg. Then unload ehci, load ohci and everything work > > properly (but so slow...) You should build a kernel with CONFIG_USB_DEBUG enabled and then attach a dmesg log illustrating the problem. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
