Don't think this is supported. Guessing that a ptraced process cannot be frozen.
** Changed in: linux-source-2.6.17 (Ubuntu) Status: Unconfirmed => Rejected -- can't hibernate if gdb is tracing a program https://launchpad.net/bugs/51513 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs