* /export/m2 is not full *

dev = da0s2f, block = 1605984, fs = /export/m2
panic: ffs_blkfree: freeing free block
cpuid = 2
KDB: stack backtrace:
kdb_backtrace(c06c781b,2,c06bfc08,e503cb28,5) at kdb_backtrace+0x2f
panic(c06bfc08,c4da7778,188160,0,c4d4e8d4) at panic+0x129
ffs_blkfree(c4e8ee00,c4d4e800,c4e84880,188160,0) at ffs_blkfree+0x3a3
indir_trunc(c7578a00,620560,0,1,80c) at indir_trunc+0x3a4
handle_workitem_freeblocks(c7578a00,0,2,c04d4e61,e503ccb8) at handle_workitem_freeblocks+0x214
process_worklist_item(c4dc4c00,0,e503ccd4,c0548980,c4dc4c00) at process_worklist_item+0x231
softdep_process_worklist(c4dc4c00,0,c0707720,c4b7ca80,0) at softdep_process_worklist+0x9f
softdep_flush(0,e503cd38,0,0,0) at softdep_flush+0x200
fork_exit(c0608932,0,e503cd38) at fork_exit+0x7b
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xe503cd6c, ebp = 0 ---
Uptime: 3d22h21m31s
Dumping 1023 MB (2 chunks)