Googling the error brought me here, also experiencing this issue with my Vantage weather station and weewx software being unable to access the station console after updating yesterday. Will roll back kernel
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to python2.7 in Ubuntu. https://bugs.launchpad.net/bugs/1501240 Title: Serialport doens't work correctly after ubuntu update? Status in python2.7 package in Ubuntu: Confirmed Bug description: I have a strange problem with my serial port. It seems that sth has changed after ubuntu updates and reboot. When I try to open serial port in python I get exception: 'device reports readiness to read but returned no data (device disconnected or multiple access on port?)' przem@przem:~/Pulpit/bat/scripts$ python Python 2.7.6 (default, Jun 22 2015, 17:58:13) [GCC 4.8.2] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import serial >>> ser = serial.Serial("/dev/ttyUSB0", 57600) >>> ser.read() Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/local/lib/python2.7/dist-packages/serial/serialposix.py", line 475, in read raise SerialException('device reports readiness to read but returned no data (device disconnected or multiple access on port?)') serial.serialutil.SerialException: device reports readiness to read but returned no data (device disconnected or multiple access on port?) >>> I know that there are also different users who has this problem. more info: http://superuser.com/questions/979722/serialport-doenst-work-correctly-after-ubuntu-update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python2.7/+bug/1501240/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp