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[Cristiano <1479016@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I installed Kubuntu 15.04 on my laptop a sony VAIO SVT1313Z9ES. I use USB to Serial adapter to console in specific devices.
With the previous version of Kubuntu 14.10 it used to work just fine.

When I try to open my USB serial minicom or putty opens correctly but I
don't see any output on the screen. If I try to input something I see
nothing on the terminal.

The USB device is correctly recognized

k@kubuntu:~$ lsusb | grep USB-Ser
Bus 001 Device 008: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC

k@kubuntu:~$ dmesg | grep USB0
[  994.909767] usb 1-1.1: FTDI USB Serial Device converter now attached to ttyUSB0

I double check speed on the port hardware control and flow control, bit
stop..etc etc. Everything is correct.

If I use the same USB to serial cable on  14.10 it works perfectly.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: serial to usb

** Attachment added: "version.log"
   https://bugs.launchpad.net/bugs/1479016/+attachment/4435214/+files/version.log

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https://bugs.launchpad.net/bugs/1479016

Title:
  Minicom opening serial but not input shown

Status in linux package in Ubuntu:
  New

Bug description:
  I installed Kubuntu 15.04 on my laptop a sony VAIO SVT1313Z9ES. I use USB to Serial adapter to console in specific devices.
  With the previous version of Kubuntu 14.10 it used to work just fine.

  When I try to open my USB serial minicom or putty opens correctly but
  I don't see any output on the screen. If I try to input something I
  see nothing on the terminal.

  The USB device is correctly recognized

  k@kubuntu:~$ lsusb | grep USB-Ser
  Bus 001 Device 008: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC

  k@kubuntu:~$ dmesg | grep USB0
  [  994.909767] usb 1-1.1: FTDI USB Serial Device converter now attached to ttyUSB0

  I double check speed on the port hardware control and flow control,
  bit stop..etc etc. Everything is correct.

  If I use the same USB to serial cable on  14.10 it works perfectly.

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