Re: Cygwin-X shortcut no longer works after recent updates

[Jon Turney <jon.turney@dronecode.org.uk>]

On 28/02/2020 07:21, Brian Inglis wrote:
> Hi folks,
> 
> After the recent upgrades to cygwin 3.1.4, perl, etc. I have found that the
> Cygwin-X Startup, Start Menu, and Task Bar shortcuts no longer work, although I
> can start Cygwin-X by running startxwin from a mintty window.
> 
>  From the shortcut, the shell is invoked to run startxwin normally, two copies of
> xinit fork, and Xwin runs and displays the start tray Xserver icon, but my
> mintty terminal and the xwin-xdg-menu clients don't start.

Two copies of xinit suggests to me that it is getting stuck somewhere in 
the cygwin fork/exec of /etc/X11/xinit/startxwinrc (which in turn starts 
~/.startxwinrc if it exists) to start clients.

> On exiting the X server, the processes are left running and have to be killed off.
> There are sockets and lock files, which are left around after termination:
> $ llgo /tmp/.X11-unix/X0*
> srw-rw-rw- 1 0 Feb 27 23:11 /tmp/.X11-unix/X0=
> -rw------- 1 0 Feb 27 23:11 /tmp/.X11-unix/X0.lock
> 
> The server log /var/log/xwin/XWin.0.log looks normal, and nothing shows in
> ~/.xsession-errors.
> 
> My .startxwinrc is a copy of /etc/X11/xinit/startxwinrc with addition of the
> minnty terminal startup in bg before leaving xwin-xdg-menu running in fg.
> 
> The shortcut and processes when started normally look like:
> 
> C:\...\cygwin64\bin\run.exe --quote /bin/sh -l -c "cd; exec /usr/bin/startxwin"
> /bin/sh /usr/bin/startxwin
> \_ xinit /home/$USER/.startxwinrc -- /usr/bin/XWin ... [as below]
>     \_ /usr/bin/XWin :0 -multiwindow -auth /home/$USER/.serverauth.$PGID
> 
> I have checked the man pages and the Cygwin-X docs for hints about things to
> check and try with little success.
> 
> Hints and suggestions about possible problems and problem solving approaches
> would be appreciated.


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