While a resilver was running, we attempted a recursive snapshot which resulted in a kernel panic: panic[cpu1]/thread=ffffff00104c0c60: assertion failed: 0 == zap_remove_int(mos, next_clones_obj, dsphys->ds_next_snap_obj, tx) (0x0 == 0x2), file: ../../common/ fs/zfs/dsl_dataset.c, line: 1869 ffffff00104c0960 genunix:assfail3+c1 () ffffff00104c0a00 zfs:dsl_dataset_snapshot_sync+4a2 () ffffff00104c0a50 zfs:snapshot_sync+41 () ffffff00104c0aa0 zfs:dsl_sync_task_group_sync+eb () ffffff00104c0b10 zfs:dsl_pool_sync+196 () ffffff00104c0ba0 zfs:spa_sync+32a () ffffff00104c0c40 zfs:txg_sync_thread+265 () ffffff00104c0c50 unix:thread_start+8 () System is a X4100M2 running snv_114. Any ideas? -- albert chin (china at thewrittenword.com)