system on a continuous loop of panic due to zfs issue. Removed the /etc/zfs/zpool.cache per this http://docs.sun.com/app/docs/doc/819-5461/gbbwc?a=view (Repairing an Unbootable System) to keep the system stable. If I try to import the pool back system panics consistently panic[cpu0]/thread=300035ecce0: BAD TRAP: type=31 rp=2a1005f8990 addr=300042b1d40 mmu_fsr=0 zfs: trap type = 0x31 addr=0x300042b1d40 pid=262, pc=0x120cd2c, sp=0x2a1005f8231, tstate=0x4480001600, context=0x1 g1-g7: 7baf2b08, 0, 0, 244b, 244a, 10, 300035ecce0 000002a1005f86b0 unix:die+9c (31, 2a1005f8990, 300042b1d40, 0, 2a1005f8770, c19dde00) %l0-3: 00000000c0800000 0000000000000031 0000000001000000 0000000000002000 %l4-7: 0000000000100000 0000030000338460 0000000000030677 000000000107b000 000002a1005f8790 unix:trap+9d4 (2a1005f8990, 6, 1fff, 1c00, 300042b0000, 1) %l0-3: 0000000000000000 0000030000338460 0000000000000031 0000000000000000 %l4-7: ffffffffffffe000 000000007bb32d94 0000000000000001 0000000000000006 000002a1005f88e0 unix:ktl0+48 (300042a9400, 300042a9400, 0, fffffffffffffff8, 30001af5760, 300042a95f8) %l0-3: 0000000000000001 0000000000001400 0000004480001600 000000000101aee0 %l4-7: 00000000000006a8 00000000000000d5 0000000000000000 000002a1005f8990 000002a1005f8a30 genunix:kmem_cache_alloc+154 (300042a9400, 300042be828, 16, ca80, 68, 0) %l0-3: 0000000000000001 0000030001af5858 0000000000000000 0000030001af5830 %l4-7: 0000030001af5880 00000000008563a8 0000000000000003 00000300042b1d40 000002a1005f8c30 zfs:dbuf_read_impl+70 (300042a7ca8, 30003770e00, 300042a5730, 300042a9ec0, 1, 300042a9400) %l0-3: 0000000000000001 0000000000000003 0000000000007e80 00000000000000fd %l4-7: 00000000000000fd 00000000000000fe 00000300042a9e00 0000000000222002 000002a1005f8d30 zfs:dbuf_read+114 (300042a7ca8, 30003770e00, 1, 0, 0, 0) %l0-3: 00000300042a7ca8 0000030003fb4900 00000300042a5730 0000030003d8e7e8 %l4-7: 0000000000000000 0000000000000000 00000300042a7d00 000000007014b000 000002a1005f8df0 zfs:dmu_bonus_hold+e4 (0, 7bb39400, 0, 2a1005f8f68, 11, 0) %l0-3: 0000000000110000 0000000000038000 0000000000000000 00000000001752e8 %l4-7: 00000300042a7ca8 00000300042a5730 0000000000000001 00000300042a7d00 000002a1005f8eb0 zfs:zfs_mknode+130 (30003ffb7c0, 2a1005f9228, 2a1005f9078, 300020cc580, 300003bfe48, 1) %l0-3: 000002a1005f9088 0000000000000000 0000000000000004 0000030003797280 %l4-7: 0000000000000600 000000004830b876 0000000000000000 00000000001752e4 000002a1005f8f90 zfs:zfs_create+280 (2a1005f9088, 30004228068, 2a1005f9228, 300020cc580, 0, 2a1005f92b8) %l0-3: 0000030003797280 0000000000000000 0000030003ffb7c0 0000000000000000 %l4-7: 0000000000000001 00000300003bfe48 0000030003ffb7d8 0000000000000000 000002a1005f90a0 genunix:fop_create+34 (30003fae380, 30004228068, 0, 0, 0, 2a1005f92b8) %l0-3: 00000000000001a4 0000000000000001 0000000000000020 0000000001860794 %l4-7: 0000000001860400 000000007bb32d94 0000030003565500 0000000000000000 000002a1005f9160 zfs:zfs_replay_create+f4 (0, 30004228000, 0, 0, 0, 2a1005f9228) %l0-3: 0000030003ffb7c0 00000300003bfe48 00000000018ab800 000000000000bedf syncing file systems... [1] 106 [1] 10 [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] [1] do ne (not all i/o completed) dumping to /dev/dsk/c0t0d0s1, offset 214827008, content: kernel 100% done: 12197 pages dumped, compression ratio 4.04, dump succeeded rebooting... Resetting ... [...] panic[cpu2]/thread=30001ac4960: BAD TRAP: type=34 rp=2a10053cb50 addr=fffffafebaddcafe mmu_fsr=0 zfs: alignment error: addr=0xfffffafebaddcafe pid=262, pc=0x1104e8c, sp=0x2a10053c3f1, tstate=0x8880001607, context=0x1 g1-g7: 1866f80, 0, 18, 30003b4ac20, 0, 10, 30001ac4960 000002a10053c870 unix:die+9c (34, 2a10053cb50, fffffafebaddcafe, 0, 2a10053c930, c1e00000) %l0-3: 00000000c0800000 0000000000000034 0000000000000000 0000000000002006 %l4-7: 000003000006fdc0 00000300003bfe48 0000000000002005 000000000107b000 000002a10053c950 unix:trap+690 (2a10053cb50, 10009, 0, 80000b, 0, 30001ac4960) %l0-3: 0000000000000000 000003000032ec38 0000000000000034 000000000000000e %l4-7: 0000000000000000 0000000000000000 000003000356d380 0000000000010200 000002a10053caa0 unix:ktl0+48 (300000739e0, baddcafebaddcaff, baddcafebaddcafe, 30003a47e70, 0, 30001ac4966) -- Asif Iqbal PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu