When running in non-debug mode, synergyc will crash when copying to the clipboard and attempting to paste on the server machine. In debug mode I see a Assertion failure.
2015-07-25T13:14:56 DEBUG: lost clipboard 1 ownership at time 117037912 /wrkdirs/usr/ports/sysutils/synergy/work/synergy-1.7.3-stable/src/lib/platform/XWindowsScreen.cpp,1326 2015-07-25T13:14:56 DEBUG: lost clipboard 1 ownership at 117037912 /wrkdirs/usr/ports/sysutils/synergy/work/synergy-1.7.3-stable/src/lib/platform/XWindowsClipboard.cpp,108 2015-07-25T13:14:57 INFO: leaving screen /wrkdirs/usr/ports/sysutils/synergy/work/synergy-1.7.3-stable/src/lib/synergy/Screen.cpp,131 2015-07-25T13:14:57 DEBUG: open clipboard 0 /wrkdirs/usr/ports/sysutils/synergy/work/synergy-1.7.3-stable/src/lib/platform/XWindowsClipboard.cpp,319 2015-07-25T13:14:57 DEBUG: ICCCM fill clipboard 0 /wrkdirs/usr/ports/sysutils/synergy/work/synergy-1.7.3-stable/src/lib/platform/XWindowsClipboard.cpp,499 2015-07-25T13:14:58 DEBUG: available targets: STRING (31) /wrkdirs/usr/ports/sysutils/synergy/work/synergy-1.7.3-stable/src/lib/platform/XWindowsClipboard.cpp,518 2015-07-25T13:15:00 DEBUG: close clipboard 0 /wrkdirs/usr/ports/sysutils/synergy/work/synergy-1.7.3-stable/src/lib/platform/XWindowsClipboard.cpp,354 2015-07-25T13:15:00 DEBUG: open clipboard 1 /wrkdirs/usr/ports/sysutils/synergy/work/synergy-1.7.3-stable/src/lib/platform/XWindowsClipboard.cpp,319 2015-07-25T13:15:00 DEBUG: ICCCM fill clipboard 1 /wrkdirs/usr/ports/sysutils/synergy/work/synergy-1.7.3-stable/src/lib/platform/XWindowsClipboard.cpp,499 2015-07-25T13:15:00 DEBUG: available targets: STRING (31) /wrkdirs/usr/ports/sysutils/synergy/work/synergy-1.7.3-stable/src/lib/platform/XWindowsClipboard.cpp,518 2015-07-25T13:15:00 DEBUG: recv grab clipboard 1 /wrkdirs/usr/ports/sysutils/synergy/work/synergy-1.7.3-stable/src/lib/client/ServerProxy.cpp,577 Assertion failed: (!m_open), function open, file /wrkdirs/usr/ports/sysutils/synergy/work/synergy-1.7.3-stable/src/lib/platform/XWindowsClipboard.cpp, line 317.
I updated to 1.7.4 and tested it with no problem. Could you try it and see if it works? Thanks.
Almost surely, this is the same bug: https://github.com/synergy/synergy/issues/4815 I'm building the port now and will close out the ticket when I test.
All good after an update. Thanks!