Bug 1584934

Created attachment 1446493 [details]
One of the postscript files that I tried to open using gv

Description of problem:

gv hangs (in a sense) when invoked to display a PostScript file.  It opens the usual window with the usual menus.  However, if one tries to open a PostScript file the display of the actual page remains blank, and the mouse cursor continues to display the rotating symbol that should indicate that it is "in progress".  This continues indefinitely (at least for several minutes).  The gv window remains responsive: one can use the menus or close the window with no problems.

Version-Release number of selected component (if applicable):
gv-3.7.4-15.fc28.x86_64

How reproducible:
Completely, as far as I can tell; I have tried it with several PostScript files (created by gnuplot or by LaTeX), always with the same results.

Steps to Reproduce:
1. use gv to open a PostScript file.
2.
3.

Actual results:
display of page remains blank, mouse cursor indicates "in progress" indefinitely though gv remains otherwise responsive

Expected results:
page should display

Additional info:
I had recently installed Fedora 28 MATE-COMPIZ spin (replacing rather than upgrading Fedora 26).  I created a file  weight3.ps  using gnuplot, and attempted to view it via the command line, which yielded 5 error messages and the above "hang" problem:

> gv weight3.ps
Warning: Cannot convert string "-*-Helvetica-Medium-R-Normal--*-140-*-*-P-*-ISO8859-1" to type FontStruct
Warning: Cannot convert string "-*-Helvetica-Medium-R-Normal--*-120-*-*-P-*-ISO8859-1" to type FontStruct
Warning: Cannot convert string "-*-Helvetica-Medium-R-Normal--*-100-*-*-P-*-ISO8859-1" to type FontStruct
Warning: Cannot convert string "-*-Helvetica-Bold-R-Normal--*-120-*-*-P-*-ISO8859-1" to type FontStruct
Warning: Cannot convert string "-*-Courier-Medium-R-Normal--*-100-*-*-M-*-ISO8859-1" to type FontStruct

(Note that in Fedora 26, the first four of the above error messages had appeared but the page had displayed correctly, so I had ignored them.)

I installed  xorg-x11-fonts-ISO8859-1-75dpi  &  xorg-x11-fonts-ISO8859-1-100dpi and the above error messages no longer appeared when invoking gv via the command line, but the "hang" problem (page not displaying) remained the same.

(Note that using ps2pdf on the PostScript file produces a PDF file that displays correctly using the atril PDF viewer.)

Opening gv via the "Applications" menu (rather than the command line) yielded the same problem when trying to actually open a PostScript file.

Attempting to view several older PostScript files (that had been created via LaTeX) had the same problem.

For completeness, I attach one of the PostScript files that I tried to view.