Backtrace:
emacs[0x50b18c]
emacs[0x4f185c]
emacs[0x509e4e]
emacs[0x50a075]
emacs[0x50a0df]
/lib64/libpthread.so.0(+0x109f0)[0x7f9b2e2679f0]
emacs[0x58160b]
emacs[0x582fba]
emacs[0x56446b]
emacs[0x5666f6]
emacs[0x59bd83]
emacs[0x5664eb]
emacs[0x59bd83]
emacs[0x5664eb]
emacs[0x567900]
emacs[0x567b3c]
emacs[0x567cdc]
emacs[0x566cbb]
emacs[0x566df9]
emacs[0x56734a]
emacs[0x550764]
emacs[0x59ff0d]
emacs[0x565b68]
emacs[0x56890d]
emacs[0x565ac1]
emacs[0x586b70]
emacs[0x589f0f]
emacs[0x58ae51]
emacs[0x5666aa]
emacs[0x56215a]
emacs[0x5665f7]
emacs[0x562b7f]
emacs[0x5666d4]
emacs[0x59bd83]
emacs[0x5664eb]
emacs[0x59bd83]
emacs[0x5664eb]
emacs[0x56215a]
emacs[0x5665f7]
emacs[0x567900]
emacs[0x5624e5]
...