T2000 panic : BAD TRAP: type=28 rp=2a101603660 addr=13684d4 mmu_fsr=0

From: Simon J. Loewenthal (Simon.Loewenthal@vcint.com)
Date: Wed May 16 2007 - 06:28:58 EDT


Dear all,

Our production T2000 just paniced, and then came back up.
 /var/adm/messages tell me this:

# more messages
May 16 11:37:03 fred unix: [ID 836849 kern.notice]
May 16 11:37:03 fred ^Mpanic[cpu30]/thread=2a101603cc0:
May 16 11:37:03 fred unix: [ID 799565 kern.notice] BAD TRAP: type=28
rp=2a101603660 addr=13684d4 mmu_fsr=0
May 16 11:37:03 fred unix: [ID 100000 kern.notice]
May 16 11:37:03 fred unix: [ID 839527 kern.notice] sched:
May 16 11:37:03 fred unix: [ID 983713 kern.notice] integer divide zero
trap:
May 16 11:37:03 fred unix: [ID 381800 kern.notice] addr=0x13684d4
May 16 11:37:03 fred unix: [ID 101969 kern.notice] pid=0, pc=0x13684d4,
sp=0x2a101602f01,tstate=0x4400001603,context=0x0
May 16 11:37:03 fred unix: [ID 743441 kern.notice] g1-g7: 0, 0, 0, 0,
20, 0, 2a101603cc0
May 16 11:37:03 fred unix: [ID 100000 kern.notice]
May 16 11:37:03 fred genunix: [ID 723222 kern.notice] 000002a101603380
unix:die+9c (28, 2a101603660, 13684d4,0,2a101603440, 10000)
May 16 11:37:03 fred genunix: [ID 179002 kern.notice] %l0-3:
000000000000000000000000000000280000000000000028 0000000000000000
May 16 11:37:03 fred %l4-7: 0000000000000000 0000000000000001
0000000000000000 0000000001073400
May 16 11:37:04 fred genunix: [ID 723222 kern.notice] 000002a101603460
unix:trap+564 (2a101603660, 58, 0,0,300012e6000, 2a101603cc0)
May 16 11:37:04 fred genunix: [ID 179002 kern.notice] %l0-3:
000000000000000000000000018365800000000000000028 0000000000000000
May 16 11:37:04 fred %l4-7: 0000000000000000 0000000000000001
0000000000000000 00000300012e6180
May 16 11:37:05 fred genunix: [ID 723222 kern.notice] 000002a1016035b0
unix:ktl0+64 (3001562c280,6000af00dc0,ffffffffffffffff,
ffffffffffffffff, 0, 600044daae0)
May 16 11:37:05 fred genunix: [ID 179002 kern.notice] %l0-3:
00000300012e600000000000000000f00000004400001603 000000000101c3a0
May 16 11:37:05 fred %l4-7: 00000000ac161180 0000000000000001
0000000000000000 000002a101603660
May 16 11:37:05 fred genunix: [ID 723222 kern.notice] 000002a101603700
ip:tcp_conn_request+894 (3001562c280,1,0,1, 0, 1)
May 16 11:37:05 fred genunix: [ID 179002 kern.notice] %l0-3:
0000000000000000000000000000000e00000600028945c0 0000000000000000
May 16 11:37:05 fred %l4-7: 00000000ac161180 0000000000000001
00000600075ad2d0 000003001562c0c0
May 16 11:37:06 fred genunix: [ID 723222 kern.notice] 000002a1016037b0
ip:tcp_send_data+328(3001562c280,6000af00dc0, ac16000b, fc00,
600044daad0, 600044daae0)
May 16 11:37:06 fred genunix: [ID 179002 kern.notice] %l0-3:
00000600019166a8000000000000000e00000600028945c0 0000000000000000
May 16 11:37:06 fred %l4-7: 00000000ac161180 0000000000000001
00000600075ad2d0 000003001562c0c0
May 16 11:37:07 fred genunix: [ID 723222 kern.notice] 000002a101603870
ip:tcp_conn_request+894 (4, 5b4, 1373400,30014e51800, 6000af00dc0,
3001562c0c0)
May 16 11:37:07 fred genunix: [ID 179002 kern.notice] %l0-3:
000000000000000a ffffffffffffffff000003001562c2800000030014e51b90
May 16 11:37:07 fred %l4-7: 0000000001840c00 0000060003b34024
0000000070060800 0000000000000000
May 16 11:37:07 fred genunix: [ID 723222 kern.notice] 000002a101603940
ip:squeue_drain+134 (0, 2,56fdf966,6000113a880, 0,0)
May 16 11:37:07 fred genunix: [ID 179002 kern.notice] %l0-3:
0000000000000003000006000c2392400000000000000001 0000000000000001
May 16 11:37:07 fred %l4-7: 00000000018a5e18 0000000001363a18
0000000000000000 0000030014e51800
May 16 11:37:08 fred genunix: [ID 723222 kern.notice] 000002a101603a00
ip:squeue_worker+88 (6000113a880,2a101603aca, 6000113a8c4, 0,
fffffffffffffeff, 2a101603aca)
May 16 11:37:08 fred genunix: [ID 179002 kern.notice] %l0-3:
000000000000000200000000000000000000000000000000 0000000056fdf965
May 16 11:37:08 fred %l4-7: 0000000000000001 0000000000000001
0000000070044800 00000000018a5c00
May 16 11:37:09 fred unix: [ID 100000 kern.notice]
May 16 11:37:09 fred genunix: [ID 672855 kern.notice] syncing file
systems...
May 16 11:37:09 fred genunix: [ID 733762 kern.notice] 2
May 16 11:37:11 fred genunix: [ID 904073 kern.notice] done
May 16 11:37:12 fred genunix: [ID 111219 kern.notice] dumping to
/dev/dsk/c3t0d0s1, offset 419954688, content: kernel
May 16 11:38:42 fred genunix: [ID 409368 kern.notice] ^M100% done:
102278 pages dumped, compression ratio 3.50,
May 16 11:38:42 fred genunix: [ID 851671 kern.notice] dump succeeded
May 16 11:34:06 fred genunix: [ID 540533 kern.notice] ^MSunOS Release
5.10 Version Generic_118833-03 64-bit
May 16 11:34:06 fred genunix: [ID 943906 kern.notice] Copyright
1983-2005 Sun Microsystems, Inc. All rights reserved.

# uname -a
SunOS fred 5.10 Generic_118833-03 sun4v sparc SUNW,Sun-Fire-T200

The unit came back up again and seems ok for the timebeing.

Could someone kindly point me in the right direction to work out what
might have caused this and to stop it from happening again?

There is a savecore available, vmcore & unix, but I wouln't really know
what to with these ;)

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