spurious messages at first plot on qt terminal on Cygwin

Tatsuro MATSUOKA <[email protected]> Sun, 19 Dec 2021 14:13:24 +0900 (JST)
Newsgroups gmane.comp.graphics.gnuplot.devel
Message-ID <[email protected]>
As far as I remenber, I made the similar question on the phenomena.

After workaround by  by  Enrico Forestieri 
https://sourceforge.net/p/gnuplot/mailman/gnuplot-beta/thread/[email protected]/
I could use qt termninal on Cygwin again.

At first plot in the interactive mode, spurious messages appear.

Terminal type is now 'qt'
gnuplot> plot x
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-user'
libGL error: Windows-DRI extension not available
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
gnuplot> QXcbShmImage: shmget() failed (88: Function not implemented) for size 1394424 (642x543)

From the second plot the above messages do not appear.

It will be grateful for me is someone will give me suggestions and comments.

Tatsuro



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