Also, I've just noted that after the 10 mkfs run, 3 minutes later, collectd started logging:
Mar 30 11:42:27 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/irq/irq-0; value time = 1301496136; last cache update = 1301496136; Mar 30 11:42:27 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/disk-sdb/disk_octets; value time = 1301496136; last cache update = 130149 6136; Mar 30 11:42:27 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:27 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:27 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/swap/swap-used; value time = 1301496136; last cache update = 1301496136; Mar 30 11:42:27 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:27 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/irq/irq-1; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:27 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:27 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/irq/irq-7; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:27 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:27 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/irq/irq-8; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:27 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:27 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/irq/irq-9; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:27 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:27 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/irq/irq-12; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/irq/irq-14; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/irq/irq-15; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/irq/irq-16; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/irq/irq-18; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/irq/irq-19; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/irq/irq-22; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/disk-sdb/disk_ops; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/swap/swap-free; value time = 1301496147; last cache update = 1301496147; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/processes/ps_state-running; value time = 1301496148; last cache update = 1301496148; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/processes/ps_state-sleeping; value time = 1301496148; last cache update = 1301496148; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/processes/ps_state-zombies; value time = 1301496148; last cache update = 1301496148; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/processes/ps_state-stopped; value time = 1301496148; last cache update = 1301496148; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/processes/ps_state-blocked; value time = 1301496148; last cache update = 1301496148; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:42:28 hydra collectd[1767]: uc_update: Value too old: name = hydra.integratech.net/processes/fork_rate; value time = 1301496148; last cache update = 1301496148; Mar 30 11:42:28 hydra collectd[1767]: Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1. Mar 30 11:53:39 hydra ntpd[1548]: kernel time sync status change 2001 Also, it did not happen again since ntpd run This collectd error had happened other times it has frozen, I've recently installed ntpd (I was using ntpdate) Googling for this error suggest: http://collectd.org/faq.shtml But I'm not using the snmp plugin and this has only happend to me under "heavy I/O" or at least "very close to a freeze" The plugins I'm using are: root@hydra:/srv/kvm/cb-test# grep ^Load /etc/collectd/collectd.conf LoadPlugin syslog LoadPlugin battery LoadPlugin cpu LoadPlugin df LoadPlugin disk LoadPlugin entropy LoadPlugin interface LoadPlugin irq LoadPlugin load LoadPlugin memory LoadPlugin processes LoadPlugin rrdtool LoadPlugin swap LoadPlugin users If you need more information or want me to test something, please let me know -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/745785 Title: KVM HOST: Freeze every ~2 weeks -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
