I saw a few messages: libvir: error : internal error poll error: Interrupted system call during daemon-conf tests. The messages come from virPipeReadUntilEOF. I think the intention is that this case should be retried. Patch attached. Dave diff --git a/src/util.c b/src/util.c index da26009..31a9702 100644 --- a/src/util.c +++ b/src/util.c @@ -473,7 +473,7 @@ virPipeReadUntilEOF(virConnectPtr conn, int outfd, int errfd, while(!(finished[0] && finished[1])) { if (poll(fds, ARRAY_CARDINALITY(fds), -1) < 0) { - if (errno == EAGAIN) + if (errno == EAGAIN || errno == EINTR) continue; goto pollerr; }