Brltty 5.4 backported to Xenial.

Sat Aug 27 20:38:39 UTC 2016

I just upgraded to brltty 5.4 from the ppa and am still seeing problems. 
The system does not want to recognize my usb-to-serial and there is more 
than one copy of brltty running.

Results of "ps -aux | grep brltty":
root      2682  0.1  0.2 399444  9616 ?        D<sl 13:23   0:00 /sbin/brltty -n -p /var/run/brltty.pid
root     10347  0.4  0.1 286300  5500 ?        S<sl 13:30   0:00 /sbin/brltty --no-daemon
tom      11382  0.0  0.0  14224   968 tty1     S+   13:31   0:00 grep --color=auto brltty

Last few lines of dmesg:
[  330.098917] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  335.098685] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  340.097496] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  345.096315] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  350.096209] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  355.096965] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  360.093570] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  365.096054] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  370.093233] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  375.097670] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  380.096576] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  385.094497] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  390.092864] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  395.094226] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  400.093803] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  405.093715] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  423.297075] usb 3-3: USB disconnect, device number 3
[  426.280537] usb 3-3: new full-speed USB device number 4 using xhci_hcd
[  426.414269] usb 3-3: New USB device found, idVendor=0403, idProduct=6001
[  426.414272] usb 3-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  426.414274] usb 3-3: Product: FT232R USB UART
[  426.414275] usb 3-3: Manufacturer: FTDI
[  426.414276] usb 3-3: SerialNumber: AK05DS2U
[  426.416877] ftdi_sio 3-3:1.0: FTDI USB Serial Device converter detected
[  426.416905] usb 3-3: Detected FT232RL
[  426.417101] usb 3-3: FTDI USB Serial Device converter now attached to ttyUSB0
[  435.952033] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  436.303136] usb 3-3: usbfs: interface 0 claimed by ftdi_sio while 'brltty' sets config #1
[  436.303664] ftdi_sio ttyUSB0: FTDI USB Serial Device converter now disconnected from ttyUSB0
[  436.303676] ftdi_sio 3-3:1.0: device disconnected
[  439.246334] input: BRLTTY 5.4 Linux Screen Driver Keyboard as /devices/virtual/input/input22
[  440.950217] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  445.948585] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  450.948036] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  455.949360] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  460.946907] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  465.947476] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  470.947937] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  475.945581] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  480.946035] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  485.947737] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  490.944684] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  492.167160] usb 3-3: USB disconnect, device number 4
[  495.947777] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  500.948862] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  505.947925] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1
[  510.945866] usb 3-6: usbfs: interface 0 claimed by usbfs while 'brltty' sets config #1

Tom

On Fri, 26 Aug 2016, Luke Yelavich wrote:

> Hi all.
> As some of you are experiencing problems with BrlTTY, I decided to go ahead
> and backport 5.4 from yakkety to xenial. As per usual, these packages are
> available from the Ubuntu Accessibility dev PPA,
> https://launchpad.net/~accessibility-dev/+archive/ppa. BrlTTy will be built
> and available shortly.
>
> Luke
>
> -- 
> Ubuntu-accessibility mailing list
> Ubuntu-accessibility at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/ubuntu-accessibility
>