システムをクラッシュさせる方法いろいろ

1. break して sync

# Debugging requested; hardware watchdog suspended.
c)ontinue, s)ync, r)eset? s
 
panic[cpu6]/thread=2a101299c60: sync initiated
 
sched: trap type = 0x0
pid=0, pc=0x0, sp=0x0, tstate=0x0, context=0x0
o0-o7: 0, 0, 0, 0, 0, 0, 0, 0
g1-g7: 0, 0, 0, 0, 0, 0, 0
 
000002a101299350 unix:sync_handler+138 (3000943a000, 0, 10d4c00, 2a101299c60, 1, 183f800)
  %l0-3: 0000000001931400 0000000000000000 0000000001913c00 0000000000000000
  %l4-7: 000000000190d400 000003000943e000 000000000183a400 0000000000000006
000002a101299420 unix:vx_handler+94 (2a101299580, 73, 19d7000, 1, 18482f8, 18481f0)
  %l0-3: 00000000010da1e8 00000000018482f7 0000000000000001 0000000000000001
  %l4-7: 000000000183ac00 0000000001000000 0000000001000000 000000000101b830
000002a1012994d0 unix:promif_enter_mon+a8 (183d000, c, 10da1e8, 10d9e40, 183d000, 10da000)
  %l0-3: 000000000198e4d0 0000000001947000 000000000183ac00 0000000000000001
  %l4-7: 0000000000000016 0000000000000073 00000000010da000 00000000010da000
000002a101299590 unix:kern_cif_handler+24 (2a1012997a8, 0, 10dae58, 1, 183d400, 104efd0)
  %l0-3: 000000000198e4d0 0000000001947000 000000000183ac00 0000000000000001
  %l4-7: 0000000000000016 000000000000000e 0000000000000016 000000000183a400
000002a101299640 unix:client_handler+2c (104e63c, 2a1012997a8, 0, 18a7218, 1919000, 104e63c)
  %l0-3: 000000000198e4d0 0000000001947000 000000000183ac00 0000000000000001
  %l4-7: 0000000000000016 000000000000000e 0000000000000016 000000000183a400
000002a1012996f0 unix:prom_enter_mon+24 (0, 0, 18ef000, 1, 183d400, 10dae58)
  %l0-3: 000000000198e4d0 0000000001947000 0000000000000000 0000000070010580
  %l4-7: 00010084a90e02b4 0000000000000000 00000000010111c0 000000000183a400
000002a1012997c0 unix:debug_enter+10c (a, a, 1, 193f800, 183a400, 0)
  %l0-3: 000000000198e4d0 0000000001947000 0000000000000000 0000000070010580
  %l4-7: 00010084a90e02b4 0000000000000000 00000000010111c0 000000000183a400
000002a101299890 unix:abort_seq_softintr+fc (0, 0, 183a400, 2a101299d40, 2, 1)
  %l0-3: 000000000198e4d0 0000000001947000 0000000000000000 0000000070010580
  %l4-7: 00010084a90e02b4 0000000000000000 00000000010111c0 000000000183a400
 
syncing file systems... done
dumping to /dev/zvol/dsk/rpool/dump, offset 65536, content: kernel
 0:56 100% done
100% done: 55080 pages dumped, dump succeeded
rebooting...
Resetting...
 
 

2. reboot -d, halt -d, uadmin 5 1 コマンド

# halt -d
# halt -d
Apr 23 17:56:59 t2kh1ldom2 halt: initiated by root on /dev/console
 
panic[cpu2]/thread=30017f9aa80: forced crash dump initiated at user request
 
000002a102a45930 genunix:kadmin+5a0 (0, 0, 10, 125c400, 5, 0)
  %l0-3: 000000000125c3a0 000000000125c000 0000000000000004 0000000000000004
  %l4-7: 0000000000000208 0000000000000010 0000000000000004 0000000000000004
000002a102a45a00 genunix:uadmin+1c0 (0, 30013d4fd88, 0, 6d7000, ff00, 5)
  %l0-3: 000000000100958c 000002a102a45b80 0000000000000004 00000000010567a4
  %l4-7: 0000000001943350 0000000000000000 0000030017f9aa80 000002a102a45b80
 
syncing file systems... done
dumping to /dev/zvol/dsk/rpool/dump, offset 65536, content: kernel
 0:26 100% done
100% done: 53440 pages dumped, dump succeeded
Program terminated
 
 

# uadmin 5 1
# uadmin 5 1
 
panic[cpu5]/thread=3000b331500: forced crash dump initiated at user request
 
000002a102345930 genunix:kadmin+5a0 (0, 0, 10, 125c400, 5, 1)
  %l0-3: 000000000125c3a0 000000000125c000 0000000000000004 0000000000000004
  %l4-7: 0000000000000208 0000000000000010 0000000000000004 0000000000000004
000002a102345a00 genunix:uadmin+1c0 (1, 30016a94520, 0, ff34e1f4, ff1c2a40, 5)
  %l0-3: 000000000100958c 000002a102345b80 0000000000000004 00000000010567a4
  %l4-7: 0000000001943350 00000000000114b0 000003000b331500 000002a102345b80
 
syncing file systems... done
dumping to /dev/zvol/dsk/rpool/dump, offset 65536, content: kernel
 0:26 100% done
100% done: 54367 pages dumped, dump succeeded
rebooting...
Resetting...
 
 

3. mdb -K

# mdb -K
# mdb -K
 
Welcome to kmdb
Loaded modules: [ scsi_vhci crypto mac cpc ldc neti ptm ufs unix zfs krtld sppp
hook genunix idm ip logindmux specfs nfs random arp kssl sockfs ]
[2]> $<systemdump
nopanicdebug:   0               =       0x1
 
panic[cpu2]/thread=30016ce0000: BAD TRAP: type=9 rp=2a1028c96a0 addr=0 mmu_fsr=0
 
mdb: trap type = 0x9
pid=1078, pc=0x0, sp=0x2a1028c8f41, tstate=0x80001600, context=0x7d7
g1-g7: 0, 18ef000, 81c063e0, 3000947c000, 183ac00, 16, 30016ce0000
 
000002a1028c93f0 unix:die+a0 (9, 2a1028c96a0, 0, 0, 0, 1841270)
  %l0-3: 0000000000000009 0000000000000009 00000300157bf018 0000000000000000
  %l4-7: 00000000010e0000 0000000000000003 00000000010d5800 000002a1028c94b0
000002a1028c94d0 unix:trap+680 (2a1028c96a0, 30017a2d800, 10000, 0, 30016ce0000, f432)
  %l0-3: 0000000000000000 0000000000000009 00000300157bf018 0000000000000000
  %l4-7: 00000000010e0000 0000000000000003 0000000000000000 0000000000010200
000002a1028c95f0 unix:ktl0+64 (0, 7004e1b8, 1400000, 70095de0, 101e898, 1841270)
  %l0-3: 000003000947c000 0000000000000010 0000000080001600 000000000101ea40
  %l4-7: 00000000010e0000 0000000000000003 0000000000000000 000002a1028c96a0
000002a1028c9740 kmdbmod:kctl_modload_activate+110 (0, 0, 70095f08, 0, 1, 70095c00)
  %l0-3: 00000000010e0230 00000000010e0000 0000000002300000 00000000edd00000
  %l4-7: 00000000010e0000 0000000000000003 0000000001400000 0000000000000800
000002a1028c97f0 kmdb:kdrv_activate+f4 (1001bb350, 0, 7b7afc00, 7b7afd48, fffffffffffffffe, 0)
  %l0-3: 0000000000000001 00000000019a7b30 000000007b7afd18 0000000000000003
  %l4-7: 0000000000000030 0000000000000003 0000030016d0d800 0000000000000800
000002a1028c98b0 genunix:fop_ioctl+c8 (3001afbdb40, db0001, 1001bb350, 202001, 30014438c48, 2a1028c9acc)
  %l0-3: 000003000b1f1768 000002a1028c9b80 0000000000002001 0000000001056628
  %l4-7: 0000000000000003 0000000000000004 0000000000db0001 0000000000000000
000002a1028c9970 genunix:ioctl+16c (4, db0001, 1001bb350, 4, 10005fae8, 23)
  %l0-3: 000003000b1f1768 000002a1028c9b80 0000000000002001 0000000001056628
  %l4-7: 0000000000000003 0000000000000004 0000030016ce0000 000002a1028c9b80
 
syncing file systems... done
dumping to /dev/zvol/dsk/rpool/dump, offset 65536, content: kernel
 0:30 100% done
100% done: 61680 pages dumped, dump succeeded
rebooting...
Resetting...