[Bug 58142] New: Teraterm 5.4.0 / Serial communication not functional

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58142

Bug ID: 58142
           Summary: Teraterm 5.4.0 / Serial communication not functional
           Product: Wine
           Version: 10.5
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

tested with wine 10.5-staging

When data is sent to serial port that is opened with TeraTerm, GUI becomes very
sluggish and data received is not shown on the terminal.

When data sending is stopped. Received data is shown and GUI responsivenes
becomes normal.

This behavior seems very similar that is described in bug(s): 57246 and 50591.

Download link:
https://github.com/TeraTermProject/teraterm/releases

Side note:

Wine registry do not have serial port friendly name information. 
Teraterm needs to be started with command line parameter which defines port:

wine ttermpro.exe /C=2

[Bug 58142] Teraterm 5.4.0 / Serial communication not functional

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58142

Austin English  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |download, hardware, source
                URL|                            |https://github.com/TeraTerm
                   |                            |Project/teraterm/releases

[Bug 58142] Teraterm 5.4.0 / Serial communication not functional

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58142

Bernhard Übelacker  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[e-mail]

--- Comment #1 from Bernhard Übelacker  ---
The missing enumeration of the serial port via setupapi is another bug #10051.
I attached there a reg file which makes setupapi
return COM1 and selectable in TeraTerm.

The modification to NtReadFile in bug #50591 / bug #57246
still improves receiving data.

[Bug 58142] Teraterm 5.4.0 / Serial communication not functional

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58142

--- Comment #2 from Janne  ---
Tested with Wine 10.12 still an issue.

Also tested to apply patch from bug-50591. 
Patch do not seem to work anymore.

[Bug 58142] Teraterm 5.4.0 / Serial communication not functional

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58142

Zeb Figura  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[e-mail]
          Component|-unknown                    |serial

[Bug 58142] Teraterm 5.4.0 / Serial communication not functional

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58142

--- Comment #3 from Janne  ---
It seems to be possible to reproduce issue with virtual serial port.

I created two virtual ports with command:

socat -d -d pty,raw,echo=0 pty,raw,echo=0

I added COM3 as dev/pts/2 to wine registry.
Opened com3 with teraterm and used script to write to port /dev/pts/1 with 1
second interval.

While script is running GUI is somewhat sluggish and data is seen on terminal
with 1-3s intervals.

Script that was used is attached to bug-58594

[Bug 58142] Teraterm 5.4.0 / Serial communication not functional

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58142

--- Comment #4 from Ken Sharp  ---
*** Bug 58594 has been marked as a duplicate of this bug. ***