Backtrace:
$ gdb --args dispwin -d 2 -I
"/home/niko/.local/share/DisplayCAL/storage/U2515H #1 2016-09-25 18-25
D6500 2.2 M-S XYZLUT+MTX/U2515H #1 2016-09-25 18-25 D6500 2.2 M-S
XYZLUT+MTX.icc"
GNU gdb (GDB) 7.12
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Reading symbols from dispwin...done.
(gdb) run
Starting program: /usr/bin/dispwin -d 2 -I
/home/niko/.local/share/DisplayCAL/storage/U2515H\ \#1\ 2016-09-25\ 18-25\
D6500\ 2.2\ M-S\ XYZLUT+MTX/U2515H\ \#1\ 2016-09-25\ 18-25\ D6500\ 2.2\
M-S\ XYZLUT+MTX.icc
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Checking XRandR 1.2 VideoLUT access
Adding Screen 0 CRTC 0 Output 0
Display 0 name = ':0.0'
Unable to intern atom 'EDID_DATA'
Got EDID for display
CRTC of Screen 0 CRTC 1 has no mode or no output
Checking XRandR 1.2 VideoLUT access
Adding Screen 0 CRTC 2 Output 0
Display 1 name = ':0.0'
Unable to intern atom 'EDID_DATA'
Got EDID for display
CRTC of Screen 0 CRTC 3 has no mode or no output
new_dispwin called
new_dispwin: Unable to open display ':0.1'
dispwin_del called
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff76ccfbb in XSync () from /usr/lib/libX11.so.6
(gdb) thread apply all bt full
Thread 1 (Thread 0x7ffff7f9b700 (LWP 16924)):
#0 0x00007ffff76ccfbb in XSync () at /usr/lib/libX11.so.6
#1 0x000000000040e9a3 in dispwin_del ()
#2 0x0000000000413499 in new_dispwin ()
#3 0x000000000040afab in main ()
Niccolò Belli
