dmesg | tail -20
[ 8540.490362] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88020e3fd800
[ 8540.490365] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88020e3fd880
[ 8540.490369] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88020e3fd8c0
[ 8540.490372] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88020e3fd900
[ 8540.490379] usb 3-1: ep 0x81 - rounding interval to 32768 microframes, ep desc says 0 microframes
[ 8540.490386] usb 3-1: ep 0x1 - rounding interval to 32768 microframes, ep desc says 0 microframes
[ 8540.490390] usb 3-1: ep 0x2 - rounding interval to 32768 microframes, ep desc says 0 microframes
[ 8540.490394] usb 3-1: ep 0x3 - rounding interval to 32768 microframes, ep desc says 0 microframes
[ 8540.490399] usb 3-1: ep 0x4 - rounding interval to 32768 microframes, ep desc says 0 microframes
[ 8540.496875] phy0 -> rt2800_init_eeprom: Error - Invalid RT chipset detected.
[ 8540.496881] phy0 -> rt2x00lib_probe_dev: Error - Failed to allocate device.
[ 8939.728134] usbcore: deregistering interface driver rt2800usb
[10217.986873] rtusb init rt2870 --->
[10217.986949]
[10217.986949]
[10217.986950] === pAd = ffffc900167f0000, size = 549456 ===
[10217.986950]
[10217.987048] <-- RTMPAllocTxRxRingMemory, Status=0
[10217.987087] <-- RTMPAllocAdapterBlock, Status=0
[10217.987605] usbcore: registered new interface driver rt2870
iwconfig
lo no wireless extensions.
ra0 Ralink STA
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 invalid crypt:0 invalid misc:0
eth0 no wireless extensions.