On 08/22/17 18:17, Yuri wrote: > I propose the following fix. > > The line: > > > if (jack_shm_header->server[i].pid == 0) { > > changes to > > > if (jack_shm_header->server[i].pid == 0 || > kill(jack_shm_header->server[i].pid, 0) != 0) { This patch should help: https://github.com/jackaudio/jack1/pull/74 Yuri