Comment 2 for bug 1793975

StacktraceTop:
 ?? ()
 vnc_connection_raw_update (conn=conn@entry=0x55be0f00dd40, x=x@entry=112, y=y@entry=0, width=<optimized out>, height=height@entry=16) at ../../../src/vncconnection.c:2190
 vnc_connection_hextile_rect (bg=0x7ff9d1200e90 "", fg=0x7ff9d1200e50 "\252\252\252", height=<optimized out>, width=<optimized out>, y=<optimized out>, x=112, flags=9 '\t', conn=0x55be0f00dd40) at ../../../src/vncconnection.c:2225
 vnc_connection_hextile_update (height=<optimized out>, width=<optimized out>, y=<optimized out>, x=<optimized out>, conn=<optimized out>) at ../../../src/vncconnection.c:2280
 vnc_connection_framebuffer_update (height=384, width=640, y=0, x=0, etype=<optimized out>, conn=0x55be0f00dd40) at ../../../src/vncconnection.c:3136