Hi, anyone has faced a similar issue ? I use the latest LTS ubuntu and penroad v2.0-18676-gc4ec647a4:

make gui_final
ODB_FILE=./results/ihp-sg13g2/masked_aes/base/6_final.odb /eda/or/tools/install/OpenROAD/bin/openroad -gui  /home/usr1/flow/scripts/open.tcl
Signal 11 received
Stack trace:
 0# 0x00005ACBC24FBBB3 in /eda/or/tools/install/OpenROAD/bin/openroad
 1# 0x00007EEE55C45320 in /lib/x86_64-linux-gnu/libc.so.6
 2# odb::dbDatabase::getTechs() in /eda/or/tools/install/OpenROAD/bin/openroad
 3# odb::dbDatabase::getTech() in /eda/or/tools/install/OpenROAD/bin/openroad
 4# drt::FlexDRGraphics::FlexDRGraphics(drt::frDebugSettings*, drt::frDesign*, odb::dbDatabase*, utl::Logger*) in /eda/or/tools/install/OpenROAD/bin/openroad
 5# ord::initTritonRoute(ord::OpenRoad*) in /eda/or/tools/install/OpenROAD/bin/openroad
 6# ord::OpenRoad::init(Tcl_Interp*, char const*, char const*) in /eda/or/tools/install/OpenROAD/bin/openroad
 7# 0x00005ACBC24FAFBB in /eda/or/tools/install/OpenROAD/bin/openroad
 8# gui::TclCmdInputWidget::setTclInterp(Tcl_Interp*, bool, std::function<void ()> const&) in /eda/or/tools/install/OpenROAD/bin/openroad
 9# gui::startGui(int&, char**, Tcl_Interp*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, bool, bool) in /eda/or/tools/install/OpenROAD/bin/openroad
10# 0x00005ACBC24FAE95 in /eda/or/tools/install/OpenROAD/bin/openroad
11# Tcl_MainEx in /lib/x86_64-linux-gnu/libtcl8.6.so
12# main in /eda/or/tools/install/OpenROAD/bin/openroad
13# 0x00007EEE55C2A1CA in /lib/x86_64-linux-gnu/libc.so.6
14# __libc_start_main in /lib/x86_64-linux-gnu/libc.so.6
15# _start in /eda/or/tools/install/OpenROAD/bin/openroad
make: *** [Makefile:1008: gui_6_final.odb] Segmentation fault (core dumped)

First, try updating OpenROAD to the latest. There was an issue similar to that which was fixed a couple weeks ago. If the problem persists, please file a bug report as OpenROAD should never segfault.