Ok, that sounds more like SIGCHLD isn't getting delivered to Upstart -
which would sound like a container bug?

On Wed, Jan 26, 2011 at 2:16 AM, robs <email address hidden> wrote:
> Here is the strace after "stop ssh"
>
> root@robsvserver:~# ps aux | grep sbin/sshd
> root     30785  0.0  0.2  49260  1100 ?        Ss   09:58   0:00 /usr/sbin/sshd
>
> root@robsvserver:~# strace -p 30785 -f
> Process 30785 attached - interrupt to quit
> select(7, [3], NULL, NULL, NULL)        = ? ERESTARTNOHAND (To be restarted)
> --- SIGTERM (Terminated) @ 0 (0) ---
> rt_sigreturn(0xf)                       = -1 EINTR (Interrupted system call)
> socket(PF_FILE, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
> connect(4, {sa_family=AF_FILE, path="/dev/log"}, 110) = 0
> sendto(4, "<38>Jan 26 10:11:16 sshd[30785]:"..., 65, MSG_NOSIGNAL, NULL, 0) = 65
> close(4)                                = 0
> close(3)                                = 0
> unlink("/var/run/sshd.pid")             = 0
> exit_group(255)                         = ?
> Process 30785 detached
>
>
> /var/log/daemon.log:
>
> Jan 26 10:11:16 robsvserver init: Connection from private client
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/rc
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/rsyslog
> Jan 26 10:11:16 robsvserver init: job_register: Registered instance /com/ubuntu/Upstart/jobs/rsyslog/_
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/screen_2dcleanup
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/dbus
> Jan 26 10:11:16 robsvserver init: job_register: Registered instance /com/ubuntu/Upstart/jobs/dbus/_
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/rsyslog_2dstopped
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/ssh
> Jan 26 10:11:16 robsvserver init: job_register: Registered instance /com/ubuntu/Upstart/jobs/ssh/_
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/control_2dalt_2ddelete
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/vserver
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/mounted_2dvarrun
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/rc_2dsysinit
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/mounted_2ddev
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/mysql
> Jan 26 10:11:16 robsvserver init: job_register: Registered instance /com/ubuntu/Upstart/jobs/mysql/_
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/mounted_2dtmp
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/network_2dinterface
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/network_2dinterface_2dsecurity
> Jan 26 10:11:16 robsvserver init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/networking
> Jan 26 10:11:16 robsvserver init: ssh goal changed from start to stop
> Jan 26 10:11:16 robsvserver init: ssh state changed from running to pre-stop
> Jan 26 10:11:16 robsvserver init: ssh state changed from pre-stop to stopping
> Jan 26 10:11:16 robsvserver init: event_new: Pending stopping event
> Jan 26 10:11:16 robsvserver init: Handling stopping event
> Jan 26 10:11:16 robsvserver init: event_finished: Finished stopping event
> Jan 26 10:11:16 robsvserver init: ssh state changed from stopping to killed
> Jan 26 10:11:16 robsvserver init: Sending TERM signal to ssh main process (30785)
> Jan 26 10:11:21 robsvserver init: Sending KILL signal to ssh main process (30785)
>
> root@robsvserver:~# initctl list
> rc stop/waiting
> rsyslog start/running, process 30773
> screen-cleanup stop/waiting
> dbus start/running, process 30763
> rsyslog-stopped stop/waiting
> ssh stop/killed, process 30785
> control-alt-delete stop/waiting
> vserver stop/waiting
> mounted-varrun stop/waiting
> rc-sysinit stop/waiting
> mounted-dev stop/waiting
> mysql start/running, process 30829
> mounted-tmp stop/waiting
> network-interface stop/waiting
> network-interface-security stop/waiting
> networking stop/waiting
>
> Clint: for some reason your script is not called on rsyslog stop, I put
> it on /etc/init/rsyslog-stopped.conf, but I get nothing on
> /list.after.rsyslog.stopped
>
> --
> You received this bug notification because you are a member of Upstart
> Developers, which is subscribed to upstart .
> https://bugs.launchpad.net/bugs/703993
>
> Title:
>  start and stop hang when run inside a 10.04 Vserver guest
>
> Status in Upstart:
>  New
>
> Bug description:
>  I configured a host machine with Ubuntu Lucid 10.04 amd64, then I
>  installed:
>
>  ii  linux-headers-2.6.32-27-vserver   2.6.32-27.49~ppa3
>  ii  linux-headers-vserver                    2.6.32.27.29~ppa1
>  ii  linux-image-2.6.32-27-vserver      2.6.32-27.49~ppa3
>  ii  linux-image-vserver                      2.6.32.27.29~ppa1
>  ii  util-vserver                                    0.30.216~r2842-2ubuntu2
>
>  I followed http://linux-vserver.org/Upstart_issues to successfully build a guest system.
>  The guest boots and halt fine, but if the stop and start commands are executed from the console, they simply hang.
>
>  This doesn't allow apt-get upgrades to run smoothly, as post-inst
>  scripts often call restart "servicename"
>
>  I attach the Upstart debug I get from stop dbus .. seems fine to me ? :
>  init: Connection from private client
>  init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/rc
>  init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/screen_2dcleanup
>  init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/dbus
>  init: job_register: Registered instance /com/ubuntu/Upstart/jobs/dbus/_
>  init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/ssh
>  init: job_register: Registered instance /com/ubuntu/Upstart/jobs/ssh/_
>  init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/control_2dalt_2ddelete
>  init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/vserver
>  init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/mounted_2dvarrun
>  init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/rc_2dsysinit
>  init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/mounted_2ddev
>  init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/mysql
>  init: job_register: Registered instance /com/ubuntu/Upstart/jobs/mysql/_
>  init: job_class_register: Registered job /com/ubuntu/Upstart/jobs/mounted_2dtmp
>  init: dbus goal changed from start to stop
>  init: dbus state changed from running to pre-stop
>  init: dbus state changed from pre-stop to stopping
>  init: event_new: Pending stopping event
>  init: Handling stopping event
>  init: event_finished: Finished stopping event
>  init: dbus state changed from stopping to killed
>  init: Sending TERM signal to dbus main process (16657)
>  init: Disconnected from system bus
>  init: Sending KILL signal to dbus main process (16657)
>
>  A similar problem (the same ?) is reported here:
>  http://www.freak-search.com/de/thread/2643371/vserver_problems_installing_ubuntu_10.10_as_a_guest_of_a_debian_host
>
>
>  Thanks,
>  Roberto Sebastiano
>
>
>