[Bug 874181] Re: brltty daemon prevents creation of ttyUSB0 device link

Lasakro lasakro at verizon.net
Sat Dec 3 15:45:42 UTC 2016


After upgrading from 16.04 to 16.10 I'm now seeing this issue. Removing
brltty was a fix for my system. Below were the results before removing
brltty:

:~/Desktop$ dmesg | grep tty
[    0.000000] console [tty0] enabled
[    1.222490] 00:06: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[    5.862329] usb 4-3: cp210x converter now attached to ttyUSB0
[    8.030587] usb 4-3: usbfs: interface 0 claimed by cp210x while 'brltty' sets config #1
[    8.032694] cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0
[  804.989176] usb 5-5: usbfs: USBDEVFS_CONTROL failed cmd brltty rqt 128 rq 6 len 255 ret -62

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https://bugs.launchpad.net/bugs/874181

Title:
  brltty daemon prevents creation of ttyUSB0 device link

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