[Xen-API] Bug#682202: xcp-squeezed: race between xenstore initialization and sqeezed

[George Shuklin <george.shuklin@xxxxxxxxx>]

Package: xcp-squeezed
Version: 1.3.2-11
Followup-For: Bug #682202

ÐI found race condtion between xcp-sqeezed and /etc/init.d/xen scripts.

If sleep 10 added to xcp-sqeezed host (xcp-sqeezed and xapi) initialize 
normally, and if not with some probability sqeezed/xapi failed to start with 
message:

Oct  9 16:45:57 xenhost-1 xapi: [ warn|xenhost-1|0 thread_zero|server_init 
D:1691a70e8b4a|startup] task [Setting up domain 0 xenstore keys] exception: 
Xs.Failed_to_connect
Oct  9 16:45:57 xenhost-1 xapi: [error|xenhost-1|0 thread_zero||xapi] Caught 
exception at toplevel: 'Xs.Failed_to_connect'
Oct  9 16:45:57 xenhost-1 xcp-fe: 2567 (/usr/sbin/xapi -nowatchdog 
-writereadyfile /var/run/xapi_startup.cookie -writ...) exitted with code 2
Oct  9 16:45:57 xenhost-1 xapi: [ info|xenhost-1|0 thread_zero||watchdog] 
received exit code 2
Oct  9 16:45:57 xenhost-1 xapi: [ info|xenhost-1|0 thread_zero||watchdog] 
Received bad exit, retrying
Oct  9 16:45:57 xenhost-1 xapi: [ info|xenhost-1|0 thread_zero||watchdog] 
(Re)starting xapi...
Oct  9 16:45:57 xenhost-1 xapi: [ warn|xenhost-1|0 thread_zero|server_init 
D:8448f2bcf925|startup] task [Setting up domain 0 xenstore keys] exception: 
Xs.Failed_to_connect
Oct  9 16:45:57 xenhost-1 xapi: [error|xenhost-1|0 thread_zero||xapi] Caught 
exception at toplevel: 'Xs.Failed_to_connect'
Oct  9 16:45:57 xenhost-1 xcp-fe: 2571 (/usr/sbin/xapi -nowatchdog 
-writereadyfile /var/run/xapi_startup.cookie -writ...) exitted with code 2
Oct  9 16:45:57 xenhost-1 xapi: [ info|xenhost-1|0 thread_zero||watchdog] 
received exit code 2


-- System Information:
Debian Release: wheezy/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 3.2.0-3-686-pae (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=locale: Cannot set 
LC_ALL to default locale: No such file or directory
UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages xcp-squeezed depends on:
ii  libc6                                          2.13-35
ii  libxen-4.1                                     4.1.3-3
ii  lsb-base                                       4.1+Debian7
ii  xen-hypervisor-4.1-amd64 [xen-hypervisor-4.1]  4.1.3-3
ii  xen-utils-common                               4.1.3-3

xcp-squeezed recommends no packages.

xcp-squeezed suggests no packages.

-- debconf information excluded

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