Maybe the same issue here, some messages I received after upgrading to 129.
weknox at antonio-gramsci:~$ svcs -xv svc:/system/filesystem/zfs/auto-snapshot:frequent (ZFS automatic snapshots) State: maintenance since December 12, 2009 7:45:09 AM EST Reason: Maintenance requested by "svc:/system/filesystem/zfs/auto-snapshot:frequent" See: /var/svc/log/system-filesystem-zfs-auto-snapshot:frequent.log See: http://sun.com/msg/SMF-8000-R4 See: /var/svc/log/system-filesystem-zfs-auto-snapshot:frequent.log Impact: 1 dependent service is not running: svc:/application/time-slider:default svc:/system/filesystem/zfs/auto-snapshot:hourly (ZFS automatic snapshots) State: maintenance since December 12, 2009 8:00:02 AM EST Reason: Maintenance requested by "svc:/system/cron:default" See: /var/svc/log/system-cron:default.log See: http://sun.com/msg/SMF-8000-R4 See: /var/svc/log/system-filesystem-zfs-auto-snapshot:hourly.log Impact: 1 dependent service is not running: svc:/application/time-slider:default -- This message posted from opensolaris.org