On 17.03.2014 12:13, Carlos Rodrigues wrote: > Hell Michal, > > Thank you for your answer, but this doesn't fix my problem. > > Run your fixed script and we get the same behavior: > > $ perl test-chldhandle-bug-fixed.pl > init... pid=29713 > while... > fork 1 > end... pid=29716 > receive chld > fork 2 > end... pid=29717 > receive chld > 2014-03-17 11:10:37.234+0000: 29713: info : libvirt version: 1.0.5.7, package: 2.fc19 (Fedora Project, 2013-11-17-23:21:57, buildvm-18.phx2.fedoraproject.org) > 2014-03-17 11:10:37.234+0000: 29713: warning : virNetTLSContextCheckCertificate:1099 : Certificate check failed Certificate [session] owner does not match the hostname 10.10.4.249 > connection open > fork 3 > end... pid=29827 > fork 4 > end... pid=29930 > go next... > > I'm not a perl expert, but I don't think it's a libvirt bug anyhow. Moreover, I don't see any zombies: $ perl test-chldhandle-bug-fixed.pl & sleep 5 && echo && ps axf | grep perl && echo [1] 11239 init... pid=11239 while... fork 1 end... pid=11241 receive chld fork 2 end... pid=11242 receive chld connection open 11239 pts/18   S      0:00  |   \_ perl test-chldhandle-bug-fixed.pl 11245 pts/18   S+     0:00  |   \_ grep --colour=auto perl fork 3 end... pid=11246 receive chld fork 4 end... pid=11247 receive chld go next... btw: with older version I'm seeing this: 11399 pts/18   S      0:00  |   \_ perl test-chldhandle-bug.pl 11401 pts/18   Z      0:00  |   |   \_ [perl] <defunct> 11402 pts/18   Z      0:00  |   |   \_ [perl] <defunct> 11405 pts/18   S+     0:00  |   \_ grep --colour=auto perl What zombies are you seeing? Perl ones or libvirt or ..,? Michal