Syncing disks, vnodes remaining... 0 0 0 0 0 0 done
Waiting (max 60 seconds) for system thread `bufdaemon' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-0' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-1' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-2' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-3' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-4' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-6' to stop... done
Waiting (max 60 seconds) for system thread `bufspacedaemon-5' to stop... done
All buffers synced.
Swap device [file] removed.
Swap device [file] removed.
Uptime: 2d3h23m46s

fatal kernel trap:

   exception       = 0x380 (data segment exception)
   virtual address = 0xdeadc0dedeadc3ce
   dsisr           = 0x40000
   srr0            = 0xc000000002524b38 (0x234b38)
   srr1            = 0x9000000000009032
   current msr     = 0x9000000000009032
   lr              = 0xc00000000252e7d0 (0x23e7d0)
   curthread       = 0xc0000000951b0580
          pid = 0, comm = dbu_evict asid: 1

panic: data segment exception trap
cpuid = 68
time = 1541976648
KDB: stack backtrace:
0xc008001af5fb3f20: at 0xc000000002bfbe48 = kdb_backtrace+0xb8
0xc008001af5fb4030: at 0xc000000002b9335c = vpanic+0x25c
0xc008001af5fb40e0: at 0xc000000002b933c8 = panic+0x3c
0xc008001af5fb4110: at 0xc0000000030050c8 = sysarch+0x578
0xc008001af5fb4190: at 0xc0000000030067ac = trap+0xf44
0xc008001af5fb42c0: at 0xc000000002ff6ba4 = powerpc_interrupt+0x110
0xc008001af5fb4350: kernel DSE trap @ 0xdeadc0dedeadc3ce by 0xc000000002524b38 = spa_get_dsl+0xc: srr1=0x9000000000009032
            r1=0xc008001af5fb4600 cr=0x20000208 xer=0 ctr=0xc0000000024d9ed8 r2=0xc000000003880000
0xc008001af5fb4600: at -0x4
0xc008001af5fb4630: at 0xc008001af5fb46ac
0xc008001af5fb4670: at 0xc00000000252f034 = txg_list_member+0x38
0xc008001af5fb46b0: at 0xc0000000024d9fa0 = dsl_dir_async_rele+0x1dc
0xc008001af5fb4720: at 0xc00000000244cee8 = ddi_soft_state_fini+0x108
0xc008001af5fb4750: at 0xc000000002c158ec = stack_sbuf_print_ddb+0x8e4
0xc008001af5fb4820: at 0xc000000002c16050 = taskqueue_thread_loop+0xf8
0xc008001af5fb4870: at 0xc000000002b474c8 = fork_exit+0xbc
0xc008001af5fb4900: at 0xc000000003004088 = fork_trampoline+0x18
0xc008001af5fb4930: at -0x4
KDB: enter: panic
[ thread pid 0 tid 100346 ]
Stopped at      0xc000000002bfc1e0 = kdb_enter+0x78:    ori     r0, r0, 0x0
db> continue
Uptime: 2d3h23m48s
Dumping 8 out of 57229 MB:
Dump complete
[185387.340067405,5] OPAL: Reboot request...