On Thu, Apr 03, 2014 at 04:48:56PM +0200, Richard Genoud wrote: > I've met an endless (or at least very long) loop if I power down the usb > port on witch a usb wifi key is plugged. > (Ok, it's not very smart to power down a usb port when a usb key is in > used... but still, I think that should not lead to an endless loop). > > I have a lot of: > ieee80211 phy1: rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed > for offset 0x0438 with error -71 > > (-71==-EPROTO) > > How to reproduce: > - plug an usb wifi key > - ip link set wlan0 up > - hub-ctrl -b usb_bus -d usb_device -P usb_port -p 0 > > hub-ctrl source: https://github.com/codazoda/hub-ctrl.c/blob/master/hub-ctrl.c > > The following patch prevents the endless loop, but I'm really not sure > that The Right Way To Do It (R)
If device disappear, we should get -ENODEV status, why we get -EPROTO ? Stanislaw -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
