Comment 3 for bug 1672733

(gdb) bt
#0 0x0000007200000063 in ()
#1 0x00007f7bc496ae1b in FP_LOADER_THREAD::ProcessEntry(FOOTPRINT_PREVIEW_PANEL::CACHE_ENTRY&) (this=0xad41130, aEntry=...)
    at /home/nickoe/kicad-git/pcbnew/footprint_preview_panel.cpp:181
#2 0x00007f7bc496af2b in FP_LOADER_THREAD::Entry() (this=0xad41130) at /home/nickoe/kicad-git/pcbnew/footprint_preview_panel.cpp:193
#3 0x00007f7be22b4492 in wxThread::CallEntry() () at /usr/lib/libwx_baseu-3.0.so.0
#4 0x00007f7be22bd240 in () at /usr/lib/libwx_baseu-3.0.so.0
#5 0x00007f7bdf4142e7 in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007f7bdf15554f in clone () at /usr/lib/libc.so.6
(gdb) f 1
#1 0x00007f7bc496ae1b in FP_LOADER_THREAD::ProcessEntry (this=0xad41130, aEntry=...) at /home/nickoe/kicad-git/pcbnew/footprint_preview_panel.cpp:181
181 handler->QueueEvent( new wxCommandEvent( wxEVT_COMMAND_TEXT_UPDATED, 1 ) );
(gdb) p handler
$1 = (wxEvtHandler *) 0xba896c0
(gdb) p m_parent
$2 = (FOOTPRINT_PREVIEW_PANEL *) 0xba896c0
(gdb)