Hello, We have been running into a few issues recently with cpu panics while trying to reboot the control/service domains on various T-series platforms. Has anyone seen the message below? Thanks SunOS Release 5.10 Version Generic_142900-03 64-bit Copyright 1983-2009 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. NOTICE: zfs_parse_bootfs: error 6 Cannot mount root on rpool/44 fstype zfs panic[cpu0]/thread=180e000: vfs_mountroot: cannot mount root 000000000180b950 genunix:vfs_mountroot+358 (800, 200, 0, 18a9800, 18d2000, 1901000) %l0-3: 00000000010d1400 00000000010d14e0 00000000018af1b8 0000000001204000 %l4-7: 0000000001204000 0000000001903400 0000000000000600 0000000000000200 000000000180ba10 genunix:main+9c (0, 180c000, 185ede0, 182b768, 1831bb8, 18f3800) %l0-3: 000000000180c000 000000000180c000 0000000070002000 0000000000000000 %l4-7: 0000000001866400 0000000000000000 000000000180c000 0000000000000001 skipping system dump - no dump device configured rebooting... WARNING: Unable to update LDOM Variable -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.opensolaris.org/pipermail/zfs-discuss/attachments/20100928/d9057bb2/attachment-0001.html>