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@markus-k Sorry, test should have been edit. I've edited my original comment with the changes.

@tomKPZ Thank you for your response! That didn't do the trick for me, but it got me to what causes it: I have the EmojiOne fonts installed, (re)moving the file from /etc/fonts/conf.d/75-emojione.conf actually fixes ISE.

Your fontconfig file seems to be invalid, I get this upon starting ISE:

Fontconfig error: "/home/markus/.config/fontconfig/conf.d/02-xilinx-ise.conf", line 10: invalid attribute 'mode'

Now I just need to find a way to disable EmojiOne for ISE, I'm sure there is a way through their config file.

@markus-k I was having the same issue. I was able to solve the crash by editing the Exec line of /usr/share/applications/xilinx-ise.desktop to the following:

Exec=/usr/bin/sh -c "unset LANG && unset QT_PLUGIN_PATH && source /opt/Xilinx/14.7/ISE_DS/settings64.sh && LD_PRELOAD=/usr/lib/libpng.so ise"

But then I ran into another crash, which I was able to fix by creating a file ~/.config/fontconfig/conf.d/02-xilinx-ise.conf with the following:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
 <match target="pattern">
    <test name="prgname">
      <string>_pn</string>
    </test>
    <edit name="family" mode="prepend_first">
      <string>DejaVu Sans</string>
    </edit>
  </match>
</fontconfig>

Then the issue was solved!

ISE is segfaulting on my system since a few weeks when starting, both with manual install and this AUR package. Anyone with the same problem? Not even xsetup wants to start graphically, the batch setup works though. It was working nicely back then and I have no idea what changed.

GDB shows me this backtrace:

#0  0x00007ffff457d645 in __longjmp_chk () from /usr/lib/libc.so.6
#1  0x00007ffff3e4cd73 in ?? () from /usr/lib/libfreetype.so.6
#2  0x00007ffff6c12fd4 in png_error () from /opt/Xilinx/14.7/ISE_DS/ISE//lib/lin64/libQt_Gui.so
#3  0x00007ffff6c17db9 in png_create_read_struct_2 () from /opt/Xilinx/14.7/ISE_DS/ISE//lib/lin64/libQt_Gui.so
#4  0x00007ffff6c17eb7 in png_create_read_struct () from /opt/Xilinx/14.7/ISE_DS/ISE//lib/lin64/libQt_Gui.so
#5  0x00007ffff3e4c89a in ?? () from /usr/lib/libfreetype.so.6
#6  0x00007ffff3e4cd29 in ?? () from /usr/lib/libfreetype.so.6
#7  0x00007ffff3e4afbf in ?? () from /usr/lib/libfreetype.so.6
#8  0x00007ffff3e519e0 in ?? () from /usr/lib/libfreetype.so.6
#9  0x00007ffff3e27264 in ?? () from /usr/lib/libfreetype.so.6
#10 0x00007ffff3e0ac09 in FT_Load_Glyph () from /usr/lib/libfreetype.so.6
#11 0x00007ffff6de3e72 in QFontEngineFT::loadGlyph(QFontEngineFT::QGlyphSet*, unsigned int, QFontEngineFT::GlyphFormat, bool) const ()
   from /opt/Xilinx/14.7/ISE_DS/ISE//lib/lin64/libQt_Gui.so
#12 0x00007ffff6de5b58 in QFontEngineFT::recalcAdvances(QGlyphLayout*, QFlags<QTextEngine::ShaperFlag>) const () from /opt/Xilinx/14.7/ISE_DS/ISE//lib/lin64/libQt_Gui.so
#13 0x00007ffff6d23e88 in ?? () from /opt/Xilinx/14.7/ISE_DS/ISE//lib/lin64/libQt_Gui.so
#14 0x00007ffff65bdfc4 in ?? () from /opt/Xilinx/14.7/ISE_DS/ISE//lib/lin64/libQt_Core.so
#15 0x00007ffff65c0a94 in ?? () from /opt/Xilinx/14.7/ISE_DS/ISE//lib/lin64/libQt_Core.so
#16 0x00007ffff65bb59b in ?? () from /opt/Xilinx/14.7/ISE_DS/ISE//lib/lin64/libQt_Core.so
.... (cut)

@Emil: Done.

@Maverick: Added, with some small adjustments.

Would be also nice to include the .desktop file from wiki into installation.

@cyrozap If you could appy this patch then fpga_editor works too. https://paste.unixcube.org/k/d042b7

I am getting an error

sed: can't read /home/spandan/xilinx-ise/pkg/xilinx-ise/opt/Xilinx/14.7/ISE_DS/settings*: No such file or directory ==> ERROR: A failure occurred in package(). Aborting...