Comment 10 for bug 1853266

Description of problem:
x11-server crushes from time to time without any obvious reason. I have single monitor.

Version-Release number of selected component:
xorg-x11-server-Xwayland-1.20.3-3.fc29

Additional info:
reporter: libreport-2.9.7
crash_function: OsLookupColor
executable: /usr/bin/Xwayland
kernel: 4.18.16-300.fc29.x86_64
runlevel: N 5
type: xorg
uid: 0

Truncated backtrace:
0: /usr/bin/Xwayland (OsLookupColor+0x13d) [0x55ca3afbb26d]
1: /lib64/libpthread.so.0 (funlockfile+0x50) [0x7fef6568b07f]
2: /usr/bin/Xwayland (glamor_get_pixmap_texture+0x81) [0x55ca3ae66041]
3: /usr/bin/Xwayland (glamor_create_gc+0x70c8) [0x55ca3ae77118]
4: /usr/bin/Xwayland (glamor_create_gc+0x74fc) [0x55ca3ae778bc]
5: /usr/bin/Xwayland (glamor_create_gc+0x7b0e) [0x55ca3ae7805e]
6: /usr/bin/Xwayland (glamor_create_gc+0x9b0c) [0x55ca3ae7bcbc]
7: /usr/bin/Xwayland (DamageRegionAppend+0x6af) [0x55ca3af28fef]
8: /usr/bin/Xwayland (glamor_create_gc+0x10a02) [0x55ca3ae8a192]
9: /usr/bin/Xwayland (AddTraps+0x4275) [0x55ca3af1e915]
10: /usr/bin/Xwayland (SendErrorToClient+0x35e) [0x55ca3af852ae]
11: /usr/bin/Xwayland (InitFonts+0x3c6) [0x55ca3af892e6]
12: /lib64/libc.so.6 (__libc_start_main+0xf3) [0x7fef654d6413]
13: /usr/bin/Xwayland (_start+0x2e) [0x55ca3ae5735e]