Try running the command as:
DEJA_DUP_DEBUG=1 sh -c "ulimit -v 1000000; ulimit -n 8192; exec /usr/lib/x86_64-linux-gnu /deja-dup/deja-dup-monitor"
This will create a large debug log in ~/.cache/deja-dup/. Please add that as an attachment to this bug report.
Try running the command as:
DEJA_DUP_DEBUG=1 sh -c "ulimit -v 1000000; ulimit -n 8192; exec /usr/lib/ x86_64- linux-gnu deja-dup- monitor"
/deja-dup/
This will create a large debug log in ~/.cache/deja-dup/. Please add that as an attachment to this bug report.