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Ticket Resolution Summary Owner Reporter
#18672 invalid Bug in the Shared Transfer Aréa. Luciano_F
Description

I put it as Bi-Directional but it does not work. this problem has been happening for some time.

The Host Operating System using it is Windows 10 64 Bit. the Guest Virtual System is also Windows 10 64 Bit.

The Virtual Box used is the Latest Version 6.0.8 r130520

#18671 fixed Cannot get real data from serial interface hykwok
Description

I encounter serial port problem in VirtualBox 6.0.8.
It is my testing procedure:

Setup Host environment:

  1. The host system is Windows 7 64 bits.

1.1 Download Virtual COM Port Driver (Standard Demo version) from here: https://www.eltima.com/products/vspdxp/
1.2 Install Virtual COM Port Driver and create a pair of Virtual COM Port (In my case, they are COM2 and COM4)
1.3 Downlaod Putty (Windows version) from here: https://putty.org/

  1. Create Ubuntu 18.04 with Virtual Box 6.0.8

2.1 Create a virtual machine that uses Ubuntu 18.04.
2.2 Enable serial port 1 for this virtual machine and set the "port mode" to "Host Device" and the "path/Address" to one of the above virtual COM port (in my case it is COM2)
2.3 Install putty package:

sudo aptitude install putty
sudo aptitude install putty-tools

  1. Start putty (windows side)and connect to COM4
  1. Start Ubuntu 18.04 and then start putty (Linux side):

sudo putty

  1. Sends 256 bytes data from Windows host to Linux guest by putty application

Now, you should get the data what you have inputted instantly

  1. Close the Linux side's putty but DO NOT close the windows side's putty.
  1. Sends another 256 bytes from Windows host to Linux guest.
  1. Start the Linux side's putty again (sudo putty)
  1. Sends data from Windows host to Linux guest.

Now, you CANNOT get the data what you have inputted instantly.

I find that virtualBox stores 221 bytes old data in the cache. Thus, I have to shutdown the Linux guest (not reboot) to fix the problem.

P.S. This bugs may be realted to #18539

#18670 duplicate Version 6.0.8 r130520 (Qt5.6.3) Install problem -> duplicate of #18645 JonVB
Description

Running MacOS Mojave 10.14.5 the VirtualBox Update Installer(Version 6.0.8 r130520 (Qt5.6.3) fails with an incompatible kernel extension.

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