Public bug reported:
Every time I start a new ubuntu installation from zero I get some errors
on Arduino devices that does not recognize with the following error:
[ 561.144042] usb 1-2: new full-speed USB device number 15 using xhci_hcd
[ 561.293021] usb 1-2: New USB device found, idVendor=1a86, idProduct=7523,
bcdDevice= 2.54
[ 561.293028] usb 1-2: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[ 561.293031] usb 1-2: Product: USB2.0-Ser!
[ 561.294936] ch341 1-2:1.0: ch341-uart converter detected
[ 561.295634] ch341-uart ttyUSB0: break control not supported, using simulated
break
[ 561.295695] usb 1-2: ch341-uart converter now attached to ttyUSB0
[ 561.845448] input: BRLTTY 6.5 Linux Screen Driver Keyboard as
/devices/virtual/input/input28
[ 561.961485] usb 1-2: usbfs: interface 0 claimed by ch341 while 'brltty' sets
config #1
[ 561.961910] ch341-uart ttyUSB0: ch341-uart converter now disconnected from
ttyUSB0
[ 561.961937] ch341 1-2:1.0: device disconnected
So I have to remove brltty manually (apt remove brltty), that just no problem.
But I think this modulo shouldn't disable others serial devices by default. In
summary its sad that, for default, ubuntu does not work with arduino. For me
this is a bug, or brltty should be default if it can't live with others devices.
** Affects: brltty (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2008920
Title:
Brltty does not permit Arduino devices to run on ubuntu
Status in brltty package in Ubuntu:
New
Bug description:
Every time I start a new ubuntu installation from zero I get some
errors on Arduino devices that does not recognize with the following
error:
[ 561.144042] usb 1-2: new full-speed USB device number 15 using xhci_hcd
[ 561.293021] usb 1-2: New USB device found, idVendor=1a86, idProduct=7523,
bcdDevice= 2.54
[ 561.293028] usb 1-2: New USB device strings: Mfr=0, Product=2,
SerialNumber=0
[ 561.293031] usb 1-2: Product: USB2.0-Ser!
[ 561.294936] ch341 1-2:1.0: ch341-uart converter detected
[ 561.295634] ch341-uart ttyUSB0: break control not supported, using
simulated break
[ 561.295695] usb 1-2: ch341-uart converter now attached to ttyUSB0
[ 561.845448] input: BRLTTY 6.5 Linux Screen Driver Keyboard as
/devices/virtual/input/input28
[ 561.961485] usb 1-2: usbfs: interface 0 claimed by ch341 while 'brltty'
sets config #1
[ 561.961910] ch341-uart ttyUSB0: ch341-uart converter now disconnected from
ttyUSB0
[ 561.961937] ch341 1-2:1.0: device disconnected
So I have to remove brltty manually (apt remove brltty), that just no
problem. But I think this modulo shouldn't disable others serial devices by
default. In summary its sad that, for default, ubuntu does not work with
arduino. For me this is a bug, or brltty should be default if it can't live
with others devices.
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https://bugs.launchpad.net/ubuntu/+source/brltty/+bug/2008920/+subscriptions
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