[Bug 930116] Re: lxc slow start & unexpectedly disconnected from boot status daemon

Andy Igoshin ai at vsu.ru
Fri Feb 10 12:43:20 UTC 2012


** Description changed:

  lxc starts very slowly. 'error: unexpectedly disconnected from boot status daemon' is printed.
  after that it works as expected.
  
- ---------------------------------------------------------------------------------
+ ----------------------------------------------------------------------------
  root at relay1:~# lsb_release -rd
  Description:    Ubuntu 11.10
  Release:        11.10
  
  root at relay1:~# apt-cache policy lxc
  lxc:
-   Installed: 0.7.5-0ubuntu8.3
-   Candidate: 0.7.5-0ubuntu8.3
-   Version table:
-  *** 0.7.5-0ubuntu8.3 0
-         500 http://ru.archive.ubuntu.com/ubuntu/ oneiric-updates/universe amd64 Packages
-         100 /var/lib/dpkg/status
-      0.7.5-0ubuntu8 0
-         500 http://ru.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages
+   Installed: 0.7.5-0ubuntu8.3
+   Candidate: 0.7.5-0ubuntu8.3
+   Version table:
+  *** 0.7.5-0ubuntu8.3 0
+         500 http://ru.archive.ubuntu.com/ubuntu/ oneiric-updates/universe amd64 Packages
+         100 /var/lib/dpkg/status
+      0.7.5-0ubuntu8 0
+         500 http://ru.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages
  
  container was created via lxc-create.
  
- ---------------------------------------------------------------------------------
+ ----------------------------------------------------------------------------
  
  15:52:22.339392 read(11, "error: unexpectedly disconnected"..., 1024) = 58
  15:52:22.339562 write(13, "error: unexpectedly disconnected"..., 58error: unexpectedly disconnected from boot status daemon) = 58
  15:52:22.339644 epoll_wait(15, {{EPOLLIN, {u32=24231760, u64=24231760}}}, 10, 4294967295) = 1
  15:54:22.366554 ioctl(17, FIONREAD, [32]) = 0
  
  15:52:22.339644 - 15:54:22.366554
  
- --------------------------------------------------------------------------------
+ ----------------------------------------------------------------------------
  root at relay1:~# lxc-start --name=sbc
  error: unexpectedly disconnected from boot status daemon
  
  Ubuntu 11.10 sbc /dev/console
  
  sbc login: root
- Password: 
+ Password:
  Last login: Sat Feb  4 18:40:33 UTC 2012 on console
  Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-15-server x86_64)
  
-  * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
- root at sbc:~# 
- --------------------------------------------------------------------------------
+  * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
+ root at sbc:~#
+ ----------------------------------------------------------------------------

** Description changed:

- lxc starts very slowly. 'error: unexpectedly disconnected from boot status daemon' is printed.
- after that it works as expected.
+ lxc starts very slowly. 'error: unexpectedly disconnected from boot
+ status daemon' is printed. after that it works as expected.
  
  ----------------------------------------------------------------------------
  root at relay1:~# lsb_release -rd
  Description:    Ubuntu 11.10
  Release:        11.10
  
  root at relay1:~# apt-cache policy lxc
  lxc:
    Installed: 0.7.5-0ubuntu8.3
    Candidate: 0.7.5-0ubuntu8.3
    Version table:
   *** 0.7.5-0ubuntu8.3 0
          500 http://ru.archive.ubuntu.com/ubuntu/ oneiric-updates/universe amd64 Packages
          100 /var/lib/dpkg/status
       0.7.5-0ubuntu8 0
          500 http://ru.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages
  
  container was created via lxc-create.
  
  ----------------------------------------------------------------------------
  
  15:52:22.339392 read(11, "error: unexpectedly disconnected"..., 1024) = 58
  15:52:22.339562 write(13, "error: unexpectedly disconnected"..., 58error: unexpectedly disconnected from boot status daemon) = 58
  15:52:22.339644 epoll_wait(15, {{EPOLLIN, {u32=24231760, u64=24231760}}}, 10, 4294967295) = 1
  15:54:22.366554 ioctl(17, FIONREAD, [32]) = 0
  
  15:52:22.339644 - 15:54:22.366554
  
  ----------------------------------------------------------------------------
  root at relay1:~# lxc-start --name=sbc
  error: unexpectedly disconnected from boot status daemon
  
  Ubuntu 11.10 sbc /dev/console
  
  sbc login: root
  Password:
  Last login: Sat Feb  4 18:40:33 UTC 2012 on console
  Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-15-server x86_64)
  
   * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
  root at sbc:~#
  ----------------------------------------------------------------------------

** Description changed:

  lxc starts very slowly. 'error: unexpectedly disconnected from boot
- status daemon' is printed. after that it works as expected.
+ status daemon' is printed. after load it works as expected.
  
  ----------------------------------------------------------------------------
  root at relay1:~# lsb_release -rd
  Description:    Ubuntu 11.10
  Release:        11.10
  
  root at relay1:~# apt-cache policy lxc
  lxc:
    Installed: 0.7.5-0ubuntu8.3
    Candidate: 0.7.5-0ubuntu8.3
    Version table:
   *** 0.7.5-0ubuntu8.3 0
          500 http://ru.archive.ubuntu.com/ubuntu/ oneiric-updates/universe amd64 Packages
          100 /var/lib/dpkg/status
       0.7.5-0ubuntu8 0
          500 http://ru.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages
  
  container was created via lxc-create.
  
  ----------------------------------------------------------------------------
  
  15:52:22.339392 read(11, "error: unexpectedly disconnected"..., 1024) = 58
  15:52:22.339562 write(13, "error: unexpectedly disconnected"..., 58error: unexpectedly disconnected from boot status daemon) = 58
  15:52:22.339644 epoll_wait(15, {{EPOLLIN, {u32=24231760, u64=24231760}}}, 10, 4294967295) = 1
  15:54:22.366554 ioctl(17, FIONREAD, [32]) = 0
  
  15:52:22.339644 - 15:54:22.366554
  
  ----------------------------------------------------------------------------
  root at relay1:~# lxc-start --name=sbc
  error: unexpectedly disconnected from boot status daemon
  
  Ubuntu 11.10 sbc /dev/console
  
  sbc login: root
  Password:
  Last login: Sat Feb  4 18:40:33 UTC 2012 on console
  Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-15-server x86_64)
  
   * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
  root at sbc:~#
  ----------------------------------------------------------------------------

** Description changed:

  lxc starts very slowly. 'error: unexpectedly disconnected from boot
  status daemon' is printed. after load it works as expected.
  
  ----------------------------------------------------------------------------
  root at relay1:~# lsb_release -rd
  Description:    Ubuntu 11.10
  Release:        11.10
  
  root at relay1:~# apt-cache policy lxc
  lxc:
    Installed: 0.7.5-0ubuntu8.3
    Candidate: 0.7.5-0ubuntu8.3
    Version table:
   *** 0.7.5-0ubuntu8.3 0
          500 http://ru.archive.ubuntu.com/ubuntu/ oneiric-updates/universe amd64 Packages
          100 /var/lib/dpkg/status
       0.7.5-0ubuntu8 0
          500 http://ru.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages
  
  container was created via lxc-create.
  
  ----------------------------------------------------------------------------
  
  15:52:22.339392 read(11, "error: unexpectedly disconnected"..., 1024) = 58
  15:52:22.339562 write(13, "error: unexpectedly disconnected"..., 58error: unexpectedly disconnected from boot status daemon) = 58
  15:52:22.339644 epoll_wait(15, {{EPOLLIN, {u32=24231760, u64=24231760}}}, 10, 4294967295) = 1
  15:54:22.366554 ioctl(17, FIONREAD, [32]) = 0
  
  15:52:22.339644 - 15:54:22.366554
  
+ full strace attached.
+ 
  ----------------------------------------------------------------------------
  root at relay1:~# lxc-start --name=sbc
  error: unexpectedly disconnected from boot status daemon
  
  Ubuntu 11.10 sbc /dev/console
  
  sbc login: root
  Password:
  Last login: Sat Feb  4 18:40:33 UTC 2012 on console
  Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-15-server x86_64)
  
   * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
  root at sbc:~#
  ----------------------------------------------------------------------------

** Description changed:

  lxc starts very slowly. 'error: unexpectedly disconnected from boot
  status daemon' is printed. after load it works as expected.
+ 
+ ----------------------------------------------------------------------------
+ root at relay1:~# lxc-start --name=sbc
+ error: unexpectedly disconnected from boot status daemon
+ 
+ Ubuntu 11.10 sbc /dev/console
+ 
+ sbc login: root
+ Password:
+ Last login: Sat Feb  4 18:40:33 UTC 2012 on console
+ Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-15-server x86_64)
+ 
+  * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
+ root at sbc:~#
  
  ----------------------------------------------------------------------------
  root at relay1:~# lsb_release -rd
  Description:    Ubuntu 11.10
  Release:        11.10
  
  root at relay1:~# apt-cache policy lxc
  lxc:
    Installed: 0.7.5-0ubuntu8.3
    Candidate: 0.7.5-0ubuntu8.3
    Version table:
   *** 0.7.5-0ubuntu8.3 0
          500 http://ru.archive.ubuntu.com/ubuntu/ oneiric-updates/universe amd64 Packages
          100 /var/lib/dpkg/status
       0.7.5-0ubuntu8 0
          500 http://ru.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages
  
  container was created via lxc-create.
  
  ----------------------------------------------------------------------------
  
  15:52:22.339392 read(11, "error: unexpectedly disconnected"..., 1024) = 58
  15:52:22.339562 write(13, "error: unexpectedly disconnected"..., 58error: unexpectedly disconnected from boot status daemon) = 58
  15:52:22.339644 epoll_wait(15, {{EPOLLIN, {u32=24231760, u64=24231760}}}, 10, 4294967295) = 1
  15:54:22.366554 ioctl(17, FIONREAD, [32]) = 0
  
  15:52:22.339644 - 15:54:22.366554
  
  full strace attached.
- 
- ----------------------------------------------------------------------------
- root at relay1:~# lxc-start --name=sbc
- error: unexpectedly disconnected from boot status daemon
- 
- Ubuntu 11.10 sbc /dev/console
- 
- sbc login: root
- Password:
- Last login: Sat Feb  4 18:40:33 UTC 2012 on console
- Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-15-server x86_64)
- 
-  * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
- root at sbc:~#
- ----------------------------------------------------------------------------

** Description changed:

  lxc starts very slowly. 'error: unexpectedly disconnected from boot
  status daemon' is printed. after load it works as expected.
  
  ----------------------------------------------------------------------------
  root at relay1:~# lxc-start --name=sbc
  error: unexpectedly disconnected from boot status daemon
  
  Ubuntu 11.10 sbc /dev/console
  
  sbc login: root
  Password:
  Last login: Sat Feb  4 18:40:33 UTC 2012 on console
  Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-15-server x86_64)
  
-  * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
+  * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
  root at sbc:~#
  
  ----------------------------------------------------------------------------
  root at relay1:~# lsb_release -rd
  Description:    Ubuntu 11.10
  Release:        11.10
  
  root at relay1:~# apt-cache policy lxc
  lxc:
    Installed: 0.7.5-0ubuntu8.3
    Candidate: 0.7.5-0ubuntu8.3
    Version table:
   *** 0.7.5-0ubuntu8.3 0
          500 http://ru.archive.ubuntu.com/ubuntu/ oneiric-updates/universe amd64 Packages
          100 /var/lib/dpkg/status
       0.7.5-0ubuntu8 0
          500 http://ru.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages
  
  container was created via lxc-create.
  
  ----------------------------------------------------------------------------
- 
  15:52:22.339392 read(11, "error: unexpectedly disconnected"..., 1024) = 58
  15:52:22.339562 write(13, "error: unexpectedly disconnected"..., 58error: unexpectedly disconnected from boot status daemon) = 58
  15:52:22.339644 epoll_wait(15, {{EPOLLIN, {u32=24231760, u64=24231760}}}, 10, 4294967295) = 1
  15:54:22.366554 ioctl(17, FIONREAD, [32]) = 0
  
  15:52:22.339644 - 15:54:22.366554
  
  full strace attached.

** Description changed:

  lxc starts very slowly. 'error: unexpectedly disconnected from boot
  status daemon' is printed. after load it works as expected.
+ 
+ container was created via lxc-create.
  
  ----------------------------------------------------------------------------
  root at relay1:~# lxc-start --name=sbc
  error: unexpectedly disconnected from boot status daemon
  
  Ubuntu 11.10 sbc /dev/console
  
  sbc login: root
  Password:
  Last login: Sat Feb  4 18:40:33 UTC 2012 on console
  Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-15-server x86_64)
  
   * Documentation:  https://help.ubuntu.com/11.10/serverguide/C
  root at sbc:~#
  
  ----------------------------------------------------------------------------
  root at relay1:~# lsb_release -rd
  Description:    Ubuntu 11.10
  Release:        11.10
  
  root at relay1:~# apt-cache policy lxc
  lxc:
    Installed: 0.7.5-0ubuntu8.3
    Candidate: 0.7.5-0ubuntu8.3
    Version table:
   *** 0.7.5-0ubuntu8.3 0
          500 http://ru.archive.ubuntu.com/ubuntu/ oneiric-updates/universe amd64 Packages
          100 /var/lib/dpkg/status
       0.7.5-0ubuntu8 0
          500 http://ru.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages
  
- container was created via lxc-create.
- 
  ----------------------------------------------------------------------------
  15:52:22.339392 read(11, "error: unexpectedly disconnected"..., 1024) = 58
  15:52:22.339562 write(13, "error: unexpectedly disconnected"..., 58error: unexpectedly disconnected from boot status daemon) = 58
  15:52:22.339644 epoll_wait(15, {{EPOLLIN, {u32=24231760, u64=24231760}}}, 10, 4294967295) = 1
  15:54:22.366554 ioctl(17, FIONREAD, [32]) = 0
  
  15:52:22.339644 - 15:54:22.366554
  
  full strace attached.

-- 
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https://bugs.launchpad.net/bugs/930116

Title:
  lxc slow start & unexpectedly disconnected from boot status daemon

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