Problem with SS1

Sat Apr 7 05:45:15 AEST 1990

One of our SparcStation has been crashing once every other day.  This is
what /usr/adm/messages has to say about it

Apr  2 17:36:04 eevlsi vmunix: BAD TRAP
Apr  2 17:36:04 eevlsi vmunix: csh: Data fault
Apr  2 17:36:04 eevlsi vmunix: kernel read fault at addr=0xff640000, pme=0x0
Apr  2 17:36:04 eevlsi vmunix: Sync Error Reg 80<INVALID>
Apr  2 17:36:04 eevlsi vmunix: pid=7988, pc=0xf809124c, sp=0xffffecc0, psr=0xc2, context=0
Apr  2 17:36:04 eevlsi vmunix: g1-g7: 4000e3, 4000e3, f80e3fd0, d, 0, f80e4000, f80e3c00
Apr  2 17:36:04 eevlsi vmunix: Begin traceback... sp = ffffecc0
Apr  2 17:36:04 eevlsi vmunix: Called from f802e2bc, fp=ffffed20, args=ffffc000 ff640000 38a0 ffffec18 f8129e50 f8101b20
Apr  2 17:36:04 eevlsi vmunix: Called from f802e0d0, fp=ffffed98, args=f8125e64 2 23 0 ffffffff ff11e6b4
Apr  2 17:36:04 eevlsi vmunix: Called from f802dba8, fp=ffffedf8, args=1 50 14 f8124c78 f812143c f8125e64
Apr  2 17:36:04 eevlsi vmunix: Called from f802d9f8, fp=ffffee60, args=1 f80e3c00 32 ff0f001c f8124c78 f8125e64
Apr  2 17:36:04 eevlsi vmunix: Called from f80aa01c, fp=ffffeec0, args=ffffefe0 f80d2b80 f80d2b80 0 ffffefb4 ffffefe0
Apr  2 17:36:04 eevlsi vmunix: Called from f8005808, fp=ffffef58, args=8000000 42 f7fffcb4 42 42 210
Apr  2 17:36:04 eevlsi vmunix: Called from 1626c, fp=f7fffbe8, args=0 0 f7fffcb4 4124 1 f7800150
Apr  2 17:36:04 eevlsi vmunix: End traceback...
Apr  2 17:36:04 eevlsi vmunix: panic: Data fault
Apr  2 17:36:04 eevlsi vmunix: zs3: silo overflow
Apr  2 17:36:04 eevlsi vmunix: syncing file systems... [11] [11] [8] [5] done
Apr  2 17:36:04 eevlsi vmunix: 00257 low-memory static kernel pages
Apr  2 17:36:04 eevlsi vmunix: 00343 additional static kernel pages
Apr  2 17:36:04 eevlsi vmunix: 00027 dynamic kernel data pages
Apr  2 17:36:04 eevlsi vmunix: 00028 additional user structure pages
Apr  2 17:36:04 eevlsi vmunix: 00000 segmap kernel pages
Apr  2 17:36:04 eevlsi vmunix: 00000 segvn kernel pages
Apr  2 17:36:04 eevlsi vmunix: 00000 current user process pages
Apr  2 17:36:04 eevlsi vmunix: 00024 user stack pages
Apr  2 17:36:04 eevlsi vmunix: 00679 total pages (679 chunks)
Apr  2 17:36:04 eevlsi vmunix: 
Apr  2 17:36:04 eevlsi vmunix: dumping to vp ff04bc1c, offset 22684
Apr  2 17:36:04 eevlsi vmunix: 679 total pages, dump succeeded
Apr  2 17:36:04 eevlsi vmunix: rebooting...
Apr  2 17:36:04 eevlsi vmunix: SunOS Release 4.0.3c (GENERIC) #1: Thu May 25 17:17:12 PDT 1989
Apr  2 17:36:04 eevlsi vmunix: Copyright (c) 1983-1989 Sun Microsystems, Inc.
Apr  2 17:36:04 eevlsi vmunix: mem = 8192K (0x800000)
Apr  2 17:36:04 eevlsi vmunix: avail mem = 6987776
Apr  2 17:36:04 eevlsi vmunix: Ethernet address = 8:0:20:7:4a:ab
Apr  2 17:36:04 eevlsi vmunix: zs0 at obio 0xf1000000 pri 12
Apr  2 17:36:04 eevlsi vmunix: zs1 at obio 0xf0000000 pri 12
Apr  2 17:36:04 eevlsi vmunix: fd0 at obio 0xf7200000 pri 11
Apr  2 17:36:04 eevlsi vmunix: audio0 at obio 0xf7201000 pri 13
Apr  2 17:36:04 eevlsi vmunix: sbus0 at SBus slot 0 0x0
Apr  2 17:36:04 eevlsi vmunix: dma0 at SBus slot 0 0x400000
Apr  2 17:36:04 eevlsi vmunix: esp0 at SBus slot 0 0x800000 pri 3
Apr  2 17:36:04 eevlsi vmunix: sd0 at esp0 target 3 lun 0
Apr  2 17:36:04 eevlsi vmunix: sd0: <Quantum ProDrive 105S cyl 974 alt 2 hd 6 sec 35>
Apr  2 17:36:04 eevlsi vmunix: sd1 at esp0 target 1 lun 0
Apr  2 17:36:04 eevlsi vmunix: sd1: <Quantum ProDrive 105S cyl 974 alt 2 hd 6 sec 35>
Apr  2 17:36:04 eevlsi vmunix: le0 at SBus slot 0 0xc00000 pri 5
Apr  2 17:36:04 eevlsi vmunix: le1 at SBus slot 1 0xc00000 pri 5
Apr  2 17:36:04 eevlsi vmunix: cgsix0 at SBus slot 2 0x0 pri 7
Apr  2 17:36:04 eevlsi vmunix: root on sd0a fstype 4.2
Apr  2 17:36:04 eevlsi vmunix: swap on sd0b fstype spec size 14070K
Apr  2 17:36:04 eevlsi vmunix: dump on sd0b fstype spec size 14056K
Apr  3 14:31:09 eevlsi vmunix: BAD TRAP
Apr  3 14:31:09 eevlsi vmunix: csh: Data fault
Apr  3 14:31:09 eevlsi vmunix: kernel read fault at addr=0xff640000, pme=0x0
Apr  3 14:31:09 eevlsi vmunix: Sync Error Reg 80<INVALID>
Apr  3 14:31:09 eevlsi vmunix: pid=1365, pc=0xf809124c, sp=0xffffecc0, psr=0xc3, context=0
Apr  3 14:31:09 eevlsi vmunix: g1-g7: 4000e4, 4000e4, f80e3fd0, d, 0, f80e4000, f80e3c00
Apr  3 14:31:09 eevlsi vmunix: Begin traceback... sp = ffffecc0
Apr  3 14:31:09 eevlsi vmunix: Called from f802e2bc, fp=ffffed20, args=ffffc000 ff640000 38a0 ffffec18 f8129fb0 f8101b20
Apr  3 14:31:09 eevlsi vmunix: Called from f802e0d0, fp=ffffed98, args=f81264c0 2 2e ffffff6c ffffffff ff0ee464
Apr  3 14:31:09 eevlsi vmunix: Called from f802dba8, fp=ffffedf8, args=1 50 14 f81256e0 f8122098 f81264c0
Apr  3 14:31:09 eevlsi vmunix: Called from f802d9f8
Apr  3 14:31:25 eevlsi login: REPEATED LOGIN FAILURES ON ttyb, y
Apr  4 16:05:21 eevlsi vmunix: BAD TRAP
Apr  4 16:05:21 eevlsi vmunix: csh: Data fault
Apr  4 16:05:21 eevlsi vmunix: kernel read fault at addr=0xff640000, pme=0x0
Apr  4 16:05:21 eevlsi vmunix: Sync Error Reg 80<INVALID>
Apr  4 16:05:21 eevlsi vmunix: pid=3078, pc=0xf809124c, sp=0xffffecc0, psr=0xc2, context=0
Apr  4 16:05:21 eevlsi vmunix: g1-g7: 4000e3, 4000e3, a000, c, 0, f80e4000, f80e3c00
Apr  4 16:05:21 eevlsi vmunix: Begin traceback... sp = ffffecc0
Apr  4 16:05:21 eevlsi vmunix: Called from f802e2bc, fp=ffffed20, args=ffffc000 ff640000 38a0 ffffecc0 f8129f50 f80e9e10
Apr  4 16:05:21 eevlsi vmunix: Called from f802e0d0, fp=ffffed98, args=f8126304 2 2b 0 ffffffff ff0f46bc
Apr  4 16:05:21 eevlsi vmunix: Called from f802dba8, fp=ffffedf8, args=1 50 14 f8124c78 f8121e30 f8126304
Apr  4 16:05:21 eevlsi vmunix: Called from f802d9f8, fp=ffffee60, args=1 f80e3c00 32 ff112bcc f8124c78 f8126304
Apr  4 16:05:21 eevlsi vmunix: Called from f80aa01c, fp=ffffeec0, args=ffffefe0 f80d2b80 f80d2b80 0 ffffefb4 ffffefe0
Apr  4 16:05:21 eevlsi vmunix: Called from f8005808, fp=ffffef58, args=8000000 42 f7fffcb4 42 42 210
Apr  4 16:05:21 eevlsi vmunix: Called from 1626c, fp=f7fffbe8, args=0 0 f7fffcb4 4124 1 f7800150
Apr  4 16:05:21 eevlsi vmunix: End traceback...
Apr  4 16:05:21 eevlsi vmunix: panic: Data fault
Apr  4 16:05:21 eevlsi vmunix: syncing file systems... [4] [4] [2] done
Apr  4 16:05:21 eevlsi vmunix: 00257 low-memory static kernel pages
Apr  4 16:05:21 eevlsi vmunix: 00337 additional static kernel pages
Apr  4 16:05:21 eevlsi vmunix: 00039 dynamic kernel data pages
Apr  4 16:05:21 eevlsi vmunix: 00048 additional user structure pages
Apr  4 16:05:21 eevlsi vmunix: 00000 segmap kernel pages
Apr  4 16:05:21 eevlsi vmunix: 00000 segvn kernel pages
Apr  4 16:05:21 eevlsi vmunix: 00000 current user process pages
Apr  4 16:05:21 eevlsi vmunix: 00046 user stack pages
Apr  4 16:05:21 eevlsi vmunix: 00727 total pages (727 chunks)
Apr  4 16:05:21 eevlsi vmunix: 
Apr  4 16:05:21 eevlsi vmunix: dumping to vp ff04bc1c, offset 22300
Apr  4 16:05:21 eevlsi vmunix: 727 total pages, dump succeeded
Apr  4 16:05:21 eevlsi vmunix: rebooting...
Apr  4 16:05:21 eevlsi vmunix: SunOS Release 4.0.3c (GENERIC) #1: Thu May 25 17:17:12 PDT 1989
Apr  4 16:05:21 eevlsi vmunix: Copyright (c) 1983-1989 Sun Microsystems, Inc.
Apr  4 16:05:21 eevlsi vmunix: mem = 8192K (0x800000)
Apr  4 16:05:21 eevlsi vmunix: avail mem = 6987776
Apr  4 16:05:21 eevlsi vmunix: Ethernet address = 8:0:20:7:4a:ab
Apr  4 16:05:21 eevlsi vmunix: zs0 at obio 0xf1000000 pri 12
Apr  4 16:05:21 eevlsi vmunix: zs1 at obio 0xf0000000 pri 12
Apr  4 16:05:21 eevlsi vmunix: fd0 at obio 0xf7200000 pri 11
Apr  4 16:05:21 eevlsi vmunix: audio0 at obio 0xf7201000 pri 13
Apr  4 16:05:21 eevlsi vmunix: sbus0 at SBus slot 0 0x0
Apr  4 16:05:21 eevlsi vmunix: dma0 at SBus slot 0 0x400000
Apr  4 16:05:21 eevlsi vmunix: esp0 at SBus slot 0 0x800000 pri 3
Apr  4 16:05:21 eevlsi vmunix: sd0 at esp0 target 3 lun 0
Apr  4 16:05:21 eevlsi vmunix: sd0: <Quantum ProDrive 105S cyl 974 alt 2 hd 6 sec 35>
Apr  4 16:05:21 eevlsi vmunix: sd1 at esp0 target 1 lun 0
Apr  4 16:05:21 eevlsi vmunix: sd1: <Quantum ProDrive 105S cyl 974 alt 2 hd 6 sec 35>
Apr  4 16:05:21 eevlsi vmunix: le0 at SBus slot 0 0xc00000 pri 5
Apr  4 16:05:21 eevlsi vmunix: le1 at SBus slot 1 0xc00000 pri 5
Apr  4 16:05:21 eevlsi vmunix: cgsix0 at SBus slot 2 0x0 pri 7
Apr  4 16:05:21 eevlsi vmunix: root on sd0a fstype 4.2
Apr  4 16:05:21 eevlsi vmunix: swap on sd0b fstype spec size 14070K
Apr  4 16:05:21 eevlsi vmunix: dump on sd0b fstype spec size 14056K

Any idea what's going on?  Thanks

Isidore Bendrihem
VLSI Lab
Columbia University
igb at vlsi.columbia.edu
igb at cunixa.cc.columbia.edu