Hi Mahdi, This looks like a wireless driver issue. I've CC'd linux-wireless and they might be able to help you. On Sun, Apr 20, 2014 at 5:14 PM, mahdi taheri <stu.mahdi@xxxxxxxxx> wrote: > kernel 3.4.79 > > I am using usb wifi (my usb wifi is tp-link tl-wn727n , chipset is rt5370n > ) for cubieboard2. at startup I have no problem with wifi module but if I > disconnect wifi usb from port i shows an error : > > ehci_irq: port change detect > <6>usb 4-1: USB disconnect, device number 3 > <3>phy1 -> rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy, aborting. > [ 205.422151] phy1 -> rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy, > aborting. > > > and after that it dosent work untill next restart: > > usb 4-1: new high-speed USB device number 3 using sw-ehci > <6>usb 4-1: reset high-speed USB device number 3 using sw-ehci > <7>ieee80211 phy1: Selected rate control algorithm 'minstrel_ht' > <7>Registered led device: rt2800usb-phy1::radio > <7>Registered led device: rt2800usb-phy1::assoc > <7>Registered led device: rt2800usb-phy1::quality > <30>udevd[240]: renamed network interface wlan0 to wlan1 > <6>ADDRCONF(NETDEV_UP): wlan1: link is not ready > <6>ADDRCONF(NETDEV_UP): wlan1: link is not ready > > > ifup wlan1 > <6>ADDRCONF(NETDEV_UP): wlan1: link is not ready > > > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to linux-sunxi+unsubscribe@xxxxxxxxxxxxxxxx. > For more options, visit https://groups.google.com/d/optout. -- Julian Calaby Email: julian.calaby@xxxxxxxxx Profile: http://www.google.com/profiles/julian.calaby/ .Plan: http://sites.google.com/site/juliancalaby/ -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
