Sent in a patch for this. https://lists.gnu.org/archive/html/qemu-devel/2020-12/msg04658.html
DTR controls the socket. DCD reflects the state of the socket. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1213196 Title: -serial tcp should hang up when DTR goes low Status in QEMU: New Bug description: In keeping with the spirit of serial modem control signals, de- asserting DTR should cause the TCP connection to break; asserting DTR should cause QEMU to initiate a new connection or for it to accept another (in server mode; this may involve waiting for one to arrive, too). To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1213196/+subscriptions
