#11209 NORM 1.75-so: XO-1.75 does not host serial adapter, no data flow

[Zarro Boogs per Child]

#11209: XO-1.75 does not host serial adapter, no data flow
--------------------+-------------------------------------------------------
 Reporter:  Quozl   |                 Owner:  saadia                           
     Type:  defect  |                Status:  new                              
 Priority:  normal  |             Milestone:  1.75-software                    
Component:  kernel  |               Version:  Development build as of this date
 Keywords:          |           Next_action:  reproduce                        
 Verified:  0       |   Deployment_affected:                                   
Blockedby:          |              Blocking:                                   
--------------------+-------------------------------------------------------
 Attaching an OLPC serial adapter to an XO-1.75 B1 is detected, a
 /dev/ttyUSB0 is created, but attempts to use the device yield no data flow
 in either direction.

 (Also occurs with an Arduino.)

 {{{
 [  529.783076] pxau2o-ehci pxau2o-ehci.0: port 1 remote wakeup
 [  529.783129] usb usb1: usb wakeup-resume
 [  529.783143] usb usb1: usb auto-resume
 [  529.783164] pxau2o-ehci pxau2o-ehci.0: resume root hub
 [  529.816493] hub 1-0:1.0: hub_resume
 [  529.816539] pxau2o-ehci pxau2o-ehci.0: GetStatus port:1 status 8001205
 4  ACK POWER sig=se0 LPM PE CONNECT
 [  529.816539] hub 1-0:1.0: port 1: status 0503 change 0004
 [  529.816617] hub 1-0:1.0: state 7 ports 1 chg 0002 evt 0000
 [  529.816648] pxau2o-ehci pxau2o-ehci.0: GetStatus port:1 status 8001205
 4  ACK POWER sig=se0 LPM PE CONNECT
 [  529.836481] usb 1-1: usb wakeup-resume
 [  529.836523] usb 1-1: finish resume
 [  529.837000] hub 1-1:1.0: hub_resume
 [  529.837748] hub 1-1:1.0: port 3: status 0101 change 0001
 [  529.946479] pxau2o-ehci pxau2o-ehci.0: reused qh dcfe9720 schedule
 [  529.946526] usb 1-1: link qh256-0001/dcfe9720 start 1 [1/0 us]
 [  529.946526] hub 1-0:1.0: resume on port 1, status 0
 [  529.946553] hub 1-0:1.0: port 1, status 0503, change 0004, 480 Mb/s
 [  529.946570] hub 1-1:1.0: state 7 ports 4 chg 0008 evt 0000
 [  529.947008] hub 1-1:1.0: port 3, status 0101, change 0000, 12 Mb/s
 [  530.026796] usb 1-1.3: new full speed USB device number 3 using pxau2o-
 ehci
 [  530.136490] usb 1-1.3: ep0 maxpacket = 8
 [  530.138001] usb 1-1.3: default language 0x0409
 [  530.142501] usb 1-1.3: udev 3, busnum 1, minor = 2
 [  530.142517] usb 1-1.3: New USB device found, idVendor=0403,
 idProduct=6001
 [  530.142517] usb 1-1.3: New USB device strings: Mfr=1, Product=2,
 SerialNumber=3
 [  530.142548] usb 1-1.3: Product: FT232R USB UART
 [  530.142548] usb 1-1.3: Manufacturer: FTDI
 [  530.142560] usb 1-1.3: SerialNumber: A6008UeU
 [  530.142946] usb 1-1.3: usb_probe_device
 [  530.142946] usb 1-1.3: configuration #1 chosen from 1 choice
 [  530.144068] usb 1-1.3: adding 1-1.3:1.0 (config #1, interface 0)
 [  530.147271] usbserial_generic 1-1.3:1.0: usb_probe_interface
 [  530.147456] usbserial_generic 1-1.3:1.0: usb_probe_interface - got id
 [  530.147479] ftdi_sio 1-1.3:1.0: usb_probe_interface
 [  530.147549] ftdi_sio 1-1.3:1.0: usb_probe_interface - got id
 [  530.147591] ftdi_sio 1-1.3:1.0: FTDI USB Serial Device converter
 detected
 [  530.147591] usb 1-1.3: Detected FT232RL
 [  530.147745] usb 1-1.3: Number of endpoints 2
 [  530.147767] usb 1-1.3: Endpoint 1 MaxPacketSize 64
 [  530.147792] usb 1-1.3: Endpoint 2 MaxPacketSize 64
 [  530.147805] usb 1-1.3: Setting MaxPacketSize 64
 [  530.153151] usb 1-1.3: FTDI USB Serial Device converter now attached to
 ttyUSB0
 [  530.153646] drivers/usb/core/inode.c: creating file '003'
 [  542.702432] usb 1-1: clear tt buffer port 3, a3 ep1 t82008d80
 }}}

 Might be caused by #11113.

-- 
Ticket URL: <http://dev.laptop.org/ticket/11209>
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