StacktraceTop: g_assertion_message () from /tmp/apport_sandbox_fUEYH1/lib/x86_64-linux-gnu/libglib-2.0.so.0 g_assertion_message_expr () from /tmp/apport_sandbox_fUEYH1/lib/x86_64-linux-gnu/libglib-2.0.so.0 gsd_rr_config_load_current (config=config@entry=0x7f797c006c20, error=error@entry=0x7ffda7640cb0) at gsd-rr-config.c:661 gsd_rr_config_new_current (screen=<optimized out>, error=error@entry=0x7ffda7640cb0) at gsd-rr-config.c:737 gsd_rr_config_load_filename (result=result@entry=0x7f797c006ba0, filename=filename@entry=0x1efc3d0 "/var/lib/lightdm/.config/monitors.xml.backup", error=error@entry=0x7ffda7640cb0) at gsd-rr-config.c:677
StacktraceTop: message () from /tmp/apport_ sandbox_ fUEYH1/ lib/x86_ 64-linux- gnu/libglib- 2.0.so. 0 message_ expr () from /tmp/apport_ sandbox_ fUEYH1/ lib/x86_ 64-linux- gnu/libglib- 2.0.so. 0 config_ load_current (config= config@ entry=0x7f797c0 06c20, error=error@ entry=0x7ffda76 40cb0) at gsd-rr-config.c:661 config_ new_current (screen=<optimized out>, error=error@ entry=0x7ffda76 40cb0) at gsd-rr-config.c:737 config_ load_filename (result= result@ entry=0x7f797c0 06ba0, filename= filename@ entry=0x1efc3d0 "/var/lib/ lightdm/ .config/ monitors. xml.backup" , error=error@ entry=0x7ffda76 40cb0) at gsd-rr-config.c:677
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