Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1257661520 (LWP 7970)] 0xb77579dc in std::string::compare () from /usr/lib/libstdc++.so.6 (gdb) backtrace #0 0xb77579dc in std::string::compare () from /usr/lib/libstdc++.so.6 #1 0x0805e69c in std::operator==, std::allocator > (__lhs=@0x8634688, __rhs=@0xb50993f0) at basic_string.h:2134 #2 0x08197ae0 in DownloadQueue::removeFile_gui (this=0x882be50, target=@0xb50993f0) at linux/downloadqueue.cc:999 #3 0x081a8da9 in Func1::call (this=0x893f290) at func.hh:62 #4 0x0824516b in WulforManager::processGuiQueue (this=0x89aa018) at linux/wulformanager.cc:191 #5 0x082451fd in WulforManager::threadFunc_gui (data=0x89aa018) at linux/wulformanager.cc:163 #6 0xb7f26341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb763e4ee in clone () from /lib/tls/i686/cmov/libc.so.6