This appears to be fixed in Ubuntu 10.10 (and perhaps earlier). The script completes normally and immediately for me now:
$ python sigstop-demo.py done ** Changed in: strace (Ubuntu) Status: Confirmed => Fix Released -- strace leaves process SIGSTOPped after detaching https://bugs.launchpad.net/bugs/103133 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs