Bug#753576: systemd stopped responding to dbus.socket connections

2017-02-27 Thread Stephan Sokolow (You actually CAN reply)
Oh, wait. I forgot step 0. Update and upgrade first. It's such a habit 
that I lump it in with importing the VMs.


On 17-02-27 04:04 AM, Stephan Sokolow (You actually CAN reply) wrote:

I'm not sure if it's the same problem, but, I have something that at
least has similar symptoms which may be easier to reproduce:

Release: The VirtualBox version of the bento/debian-8.6 Vagrant VM
Reproduction:

1. apt-get install systemd-cron
2. Futz around until you realize jessie's systemd is too old to support
   hourly cronjobs.
3. apt-get install cron (without rebooting in between)

On my VM, the attempt to reinstall started encountering timeouts when it
attempted to setup the newly-installed packages and, from then on, any
attempt to use `systemctl` resulted in `org.freedesktop.systemd1`
timeouts. (To the point that Vagrant would error out unless I reset the
VM because anything less drastic would die while trying to ask for a
clean shutdown.)

(I don't think my "trim it down further" ansible playbook touches
anything relevant to this but it's also available on request.)


--
Stephan Sokolow

Note: My e-mail address IS valid. It's a little trick I use to fool
"smarter" spambots and remind friends and family to use the custom
aliases I gave them.



Bug#753576: systemd stopped responding to dbus.socket connections

2017-02-27 Thread Stephan Sokolow (You actually CAN reply)
I'm not sure if it's the same problem, but, I have something that at 
least has similar symptoms which may be easier to reproduce:


Release: The VirtualBox version of the bento/debian-8.6 Vagrant VM
Reproduction:

1. apt-get install systemd-cron
2. Futz around until you realize jessie's systemd is too old to support
   hourly cronjobs.
3. apt-get install cron (without rebooting in between)

On my VM, the attempt to reinstall started encountering timeouts when it 
attempted to setup the newly-installed packages and, from then on, any 
attempt to use `systemctl` resulted in `org.freedesktop.systemd1` 
timeouts. (To the point that Vagrant would error out unless I reset the 
VM because anything less drastic would die while trying to ask for a 
clean shutdown.)


(I don't think my "trim it down further" ansible playbook touches 
anything relevant to this but it's also available on request.)

--
Stephan Sokolow

Note: My e-mail address IS valid. It's a little trick I use to fool
"smarter" spambots and remind friends and family to use the custom
aliases I gave them.



Bug#753576: systemd stopped responding to dbus.socket connections

2014-07-03 Thread Sam Morris
Package: systemd
Version: 204-8~bpo70+1
Severity: normal

My desktop has been up for 31 days. Today I noticed I could no longer connect   

   
to the system dbus daemon. I'll leave the system up as long as possible in case
you need me to get any further information.

# dbus-monitor --system
Failed to open connection to system bus: Failed to connect to socket 
/var/run/dbus/system_bus_socket: Connection refused

# socat /run/dbus/system_bus_socket /dev/tty
2014/07/03 09:52:43 socat[24226] E connect(3, AF=1 
/run/dbus/system_bus_socket, 29): Connection refused

# sudo netstat -A unix -lnp | grep system_bus_socket
unix  2  [ ACC ] STREAM LISTENING 7606 1/systemd   
/var/run/dbus/system_bus_socket

# systemctl status dbus.socket
dbus.socket - D-Bus System Message Bus Socket
   Loaded: loaded (/lib/systemd/system/dbus.socket; static)
   Active: active (running) since Mon 2014-06-02 09:51:06 BST; 1 months 0 
days ago
   Listen: /var/run/dbus/system_bus_socket (Stream)

Jun 02 09:51:06 oxylus systemd[1]: Starting D-Bus System Message Bus Socket.
Jun 02 09:51:06 oxylus systemd[1]: Listening on D-Bus System Message Bus Socket.

# systemctl status dbus.service
dbus.service - D-Bus System Message Bus
   Loaded: loaded (/lib/systemd/system/dbus.service; static)
   Active: active (running) since Mon 2014-06-02 09:51:06 BST; 1 months 0 days 
ago
 Main PID: 1124 (dbus-daemon)
   CGroup: name=systemd:/system/dbus.service
   ├─1124 /usr/bin/dbus-daemon --system --address=systemd: --nofork 
--nopidfile --systemd-activation
   ├─1566 /usr/sbin/modem-manager
   └─1680 /usr/lib/accountsservice/accounts-daemon

Jul 03 07:56:16 oxylus dbus-daemon[1124]: dbus[1124]: [system] Activated 
service 'org.freedesktop.PackageKit' failed: Process 
/usr/lib/dbus-1.0/dbus-daemon-launch-helper received signal 5
Jul 03 07:56:16 oxylus dbus[1124]: [system] Activated service 
'org.freedesktop.PackageKit' failed: Process 
/usr/lib/dbus-1.0/dbus-daemon-launch-helper received signal 5
Jul 03 08:56:16 oxylus dbus-daemon[1124]: dbus[1124]: [system] Activating 
service name='org.freedesktop.PackageKit' (using servicehelper)
Jul 03 08:56:16 oxylus dbus[1124]: [system] Activating service 
name='org.freedesktop.PackageKit' (using servicehelper)
Jul 03 08:56:16 oxylus dbus-daemon[1124]: (packagekitd:22845): 
GLib-GIO-CRITICAL **: g_dbus_proxy_new_sync: assertion `G_IS_DBUS_CONNECTION 
(connection)' failed
Jul 03 08:56:16 oxylus dbus-daemon[1124]: (packagekitd:22845): 
GLib-GObject-WARNING **: invalid (NULL) pointer instance
Jul 03 08:56:16 oxylus dbus-daemon[1124]: (packagekitd:22845): 
GLib-GObject-CRITICAL **: g_signal_connect_data: assertion 
`G_TYPE_CHECK_INSTANCE (instance)' failed
Jul 03 08:56:17 oxylus dbus-daemon[1124]: (packagekitd:22845): PackageKit-ERROR 
**: failed to get pokit authority: Error initializing authority: Could not 
connect: Connection refused
Jul 03 08:56:17 oxylus dbus-daemon[1124]: dbus[1124]: [system] Activated 
service 'org.freedesktop.PackageKit' failed: Process 
/usr/lib/dbus-1.0/dbus-daemon-launch-helper received signal 5
Jul 03 08:56:17 oxylus dbus[1124]: [system] Activated service 
'org.freedesktop.PackageKit' failed: Process 
/usr/lib/dbus-1.0/dbus-daemon-launch-helper received signal 5

-- Package-specific info:
--
systemd-delta:
--
[MASKED] /etc/udev/rules.d/75-cd-aliases-generator.rules → 
/lib/udev/rules.d/75-cd-aliases-generator.rules

1 overridden configuration files found.

--
systemctl dump:
--

--
Contents of /var/lib/systemd/deb-systemd-helper-enabled:
--
== /var/lib/systemd/deb-systemd-helper-enabled/anacron.service.dsh-also ==
/etc/systemd/system/multi-user.target.wants/anacron.service

== /var/lib/systemd/deb-systemd-helper-enabled/ssh.socket.dsh-also ==
/etc/systemd/system/sockets.target.wants/ssh.socket

== /var/lib/systemd/deb-systemd-helper-enabled/ssh.service.dsh-also ==
/etc/systemd/system/multi-user.target.wants/ssh.service
/etc/systemd/system/sshd.service

== /var/lib/systemd/deb-systemd-helper-enabled/sshd.service ==

== /var/lib/systemd/deb-systemd-helper-enabled/syslog.service ==

== /var/lib/systemd/deb-systemd-helper-enabled/rsyslog.service.dsh-also ==
/etc/systemd/system/multi-user.target.wants/rsyslog.service
/etc/systemd/system/syslog.service

== 
/var/lib/systemd/deb-systemd-helper-enabled/multi-user.target.wants/ssh.service 
==

== 
/var/lib/systemd/deb-systemd-helper-enabled/multi-user.target.wants/rsyslog.service
 ==

== 
/var/lib/systemd/deb-systemd-helper-enabled/multi-user.target.wants/anacron.service
 ==

== 
/var/lib/systemd/deb-systemd-helper-enabled/multi-user.target.wants/docker.io.service
 ==

== /var/lib/systemd/deb-systemd-helper-enabled/docker.io.service.dsh-also ==
/etc/systemd/system/multi-user.target.wants/docker.io.service

-- 

Bug#753576: systemd stopped responding to dbus.socket connections

2014-07-03 Thread Michael Biebl
Am 03.07.2014 11:16, schrieb Sam Morris:
 Package: systemd
 Version: 204-8~bpo70+1
 Severity: normal
 
 My desktop has been up for 31 days. Today I noticed I could no longer connect 
   

 to the system dbus daemon. I'll leave the system up as long as possible in 
 case
 you need me to get any further information.
 
 # dbus-monitor --system
 Failed to open connection to system bus: Failed to connect to socket 
 /var/run/dbus/system_bus_socket: Connection refused
 
 # socat /run/dbus/system_bus_socket /dev/tty
 2014/07/03 09:52:43 socat[24226] E connect(3, AF=1 
 /run/dbus/system_bus_socket, 29): Connection refused
 
 # sudo netstat -A unix -lnp | grep system_bus_socket
 unix  2  [ ACC ] STREAM LISTENING 7606 1/systemd  
  /var/run/dbus/system_bus_socket
 
 # systemctl status dbus.socket
 dbus.socket - D-Bus System Message Bus Socket
Loaded: loaded (/lib/systemd/system/dbus.socket; static)
Active: active (running) since Mon 2014-06-02 09:51:06 BST; 1 months 0 
 days ago
Listen: /var/run/dbus/system_bus_socket (Stream)
 
 Jun 02 09:51:06 oxylus systemd[1]: Starting D-Bus System Message Bus Socket.
 Jun 02 09:51:06 oxylus systemd[1]: Listening on D-Bus System Message Bus 
 Socket.
 
 # systemctl status dbus.service
 dbus.service - D-Bus System Message Bus
Loaded: loaded (/lib/systemd/system/dbus.service; static)
Active: active (running) since Mon 2014-06-02 09:51:06 BST; 1 months 0 
 days ago
  Main PID: 1124 (dbus-daemon)
CGroup: name=systemd:/system/dbus.service
├─1124 /usr/bin/dbus-daemon --system --address=systemd: --nofork 
 --nopidfile --systemd-activation
├─1566 /usr/sbin/modem-manager
└─1680 /usr/lib/accountsservice/accounts-daemon
 
 Jul 03 07:56:16 oxylus dbus-daemon[1124]: dbus[1124]: [system] Activated 
 service 'org.freedesktop.PackageKit' failed: Process 
 /usr/lib/dbus-1.0/dbus-daemon-launch-helper received signal 5
 Jul 03 07:56:16 oxylus dbus[1124]: [system] Activated service 
 'org.freedesktop.PackageKit' failed: Process 
 /usr/lib/dbus-1.0/dbus-daemon-launch-helper received signal 5
 Jul 03 08:56:16 oxylus dbus-daemon[1124]: dbus[1124]: [system] Activating 
 service name='org.freedesktop.PackageKit' (using servicehelper)
 Jul 03 08:56:16 oxylus dbus[1124]: [system] Activating service 
 name='org.freedesktop.PackageKit' (using servicehelper)
 Jul 03 08:56:16 oxylus dbus-daemon[1124]: (packagekitd:22845): 
 GLib-GIO-CRITICAL **: g_dbus_proxy_new_sync: assertion `G_IS_DBUS_CONNECTION 
 (connection)' failed
 Jul 03 08:56:16 oxylus dbus-daemon[1124]: (packagekitd:22845): 
 GLib-GObject-WARNING **: invalid (NULL) pointer instance
 Jul 03 08:56:16 oxylus dbus-daemon[1124]: (packagekitd:22845): 
 GLib-GObject-CRITICAL **: g_signal_connect_data: assertion 
 `G_TYPE_CHECK_INSTANCE (instance)' failed
 Jul 03 08:56:17 oxylus dbus-daemon[1124]: (packagekitd:22845): 
 PackageKit-ERROR **: failed to get pokit authority: Error initializing 
 authority: Could not connect: Connection refused
 Jul 03 08:56:17 oxylus dbus-daemon[1124]: dbus[1124]: [system] Activated 
 service 'org.freedesktop.PackageKit' failed: Process 
 /usr/lib/dbus-1.0/dbus-daemon-launch-helper received signal 5
 Jul 03 08:56:17 oxylus dbus[1124]: [system] Activated service 
 'org.freedesktop.PackageKit' failed: Process 
 /usr/lib/dbus-1.0/dbus-daemon-launch-helper received signal 5

That looks like a dbus problem to me.

If dbus is running (and it apparently is), then it should be the process
listening on /var/run/dbus/system_bus_socket.

Does strace -p 1124 reveal anything useful?

Michael

-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?



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Bug#753576: systemd stopped responding to dbus.socket connections

2014-07-03 Thread Sam Morris
On Thu, Jul 03, 2014 at 12:30:14PM +0200, Michael Biebl wrote:
 If dbus is running (and it apparently is), then it should be the process
 listening on /var/run/dbus/system_bus_socket.

I'm not sure about that... on another system where dbus is currently
working fine:

# netstat -A unix -lnp | grep dbus
unix  2  [ ACC ] STREAM LISTENING 7809 1/systemd   
/var/run/dbus/system_bus_socket

 Does strace -p 1124 reveal anything useful?

I ran strace on both dbus and systemd. Both remain sleeping
epoll_wait during the attempt to connect to the socket.

-- 
Sam Morris https://robots.org.uk/
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Bug#753576: systemd stopped responding to dbus.socket connections

2014-07-03 Thread Michael Biebl
Am 03.07.2014 13:03, schrieb Sam Morris:
 On Thu, Jul 03, 2014 at 12:30:14PM +0200, Michael Biebl wrote:
 If dbus is running (and it apparently is), then it should be the process
 listening on /var/run/dbus/system_bus_socket.
 
 I'm not sure about that... on another system where dbus is currently
 working fine:
 
 # netstat -A unix -lnp | grep dbus
 unix  2  [ ACC ] STREAM LISTENING 7809 1/systemd  
  /var/run/dbus/system_bus_socket

Well, the socket was opened by systemd, but they've been handed over to
dbus-daemon and incoming requests on the socket should be processed by
dbus-daemon.

If you restart dbus.service (probably not a good idea to do that from
within the X session), does the problem go away?

But before you do restart dbus, Simon, do you have any ideas how to
debug this further?


Michael

-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?



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Bug#753576: systemd stopped responding to dbus.socket connections

2014-07-03 Thread Sam Morris
On Thu, Jul 03, 2014 at 01:35:59PM +0200, Michael Biebl wrote:
 Am 03.07.2014 13:03, schrieb Sam Morris:
  On Thu, Jul 03, 2014 at 12:30:14PM +0200, Michael Biebl wrote:
  If dbus is running (and it apparently is), then it should be the process
  listening on /var/run/dbus/system_bus_socket.
  
  I'm not sure about that... on another system where dbus is currently
  working fine:
  
  # netstat -A unix -lnp | grep dbus
  unix  2  [ ACC ] STREAM LISTENING 7809 1/systemd
 /var/run/dbus/system_bus_socket
 
 Well, the socket was opened by systemd, but they've been handed over to
 dbus-daemon and incoming requests on the socket should be processed by
 dbus-daemon.

Ah, so the output of netstat is misleading for .socket units. I did more
testing with strace and, on the working system, connecting to the socket
with socat does indeed only wake up the dbus process, not systemd.

 If you restart dbus.service (probably not a good idea to do that from
 within the X session), does the problem go away?
 
 But before you do restart dbus, Simon, do you have any ideas how to
 debug this further?

Ok, I'll wait before trying this.

-- 
Sam Morris https://robots.org.uk/
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