yes the serial functioning is working properly thnx for ur cooperation On Tue, Oct 20, 2015 at 1:53 PM, bouke <bouke.k...@xs4all.nl> wrote:
> Seems to be fixed in 3.13.0-66.107, which is available for Ubuntu 14.04 > now. > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1501345 > > Title: > linux-image-3.13.0-65-generic breaks serial communication > > Status in linux-lts-trusty package in Ubuntu: > Confirmed > > Bug description: > Today after updating to the linux-image-3.13.0-65-generic 3.13.0-65 > Kernel on Lubuntu 14.04.3 LTS two different programs that rely on > PySerial quit working. miniterm.py and my ROS (Robot Operating System) > based Python node quit working. > > When rebooted and selected 3.13.0-63-generic via GRUB everything > worked again. > > Here are the steps to create the issue with miniterm.py, note that you > need something connected via a USB to Serial adapter for this to work. > I am working with a Parallax Activity Board, but an Arduino should > also exhibit the same behavior. > > sudo apt install linux-image-3.13.0-65-generic > sudo apt install linux-image-extra-3.13.0-65-generic > reboot > > $ miniterm.py /dev/ttyUSB0 115200 > --- Miniterm on /dev/ttyUSB0: 115200,8,N,1 --- > --- Quit: Ctrl+] | Menu: Ctrl+T | Help: Ctrl+T followed by Ctrl+H --- > > --- exit --- > Exception in thread Thread-1: > Traceback (most recent call last): > File "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner > self.run() > File "/usr/lib/python2.7/threading.py", line 763, in run > self.__target(*self.__args, **self.__kwargs) > File "/usr/bin/miniterm.py", line 220, in reader > data = character(self.serial.read(1)) > File "/usr/lib/python2.7/dist-packages/serial/serialposix.py", line > 460, in read > raise SerialException('device reports readiness to read but returned > no data (device disconnected?)') > SerialException: device reports readiness to read but returned no data > (device disconnected?) > > Reverting to the 3.13.0-63 kernel allows miniterm.py and other Python > Serial based programs to work normally. > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1501345/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1501345 Title: linux-image-3.13.0-65-generic breaks serial communication To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1501345/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
