From: yaron@ARISTO.TAU.AC.IL (Yaron Zabary)
Newsgroups: comp.sys.sgi
Subject: CPU PANIC on a 240s
Date: 26 Aug 92 15:19:33 GMT
Organization: Computation Center, Tel-Aviv University


Hello all,

   We are having problems with our 4D/240S. This is our hinv:

ccsg26# hinv
Processor 0: 25 MHZ IP7
FPU: MIPS R2010A/R3010 VLSI Floating Point Chip Revision: 2.0
CPU: MIPS R2000A/R3000 Processor Chip Revision: 2.0
Processor 1: 25 MHZ IP7
FPU: MIPS R2010A/R3010 VLSI Floating Point Chip Revision: 2.0
CPU: MIPS R2000A/R3000 Processor Chip Revision: 2.0
Processor 2: 40 MHZ IP7
FPU: MIPS R2010A/R3010 VLSI Floating Point Chip Revision: 4.0
CPU: MIPS R2000A/R3000 Processor Chip Revision: 3.0
Processor 3: 40 MHZ IP7
FPU: MIPS R2010A/R3010 VLSI Floating Point Chip Revision: 4.0
CPU: MIPS R2000A/R3000 Processor Chip Revision: 3.0
Data cache size: 64 Kbytes
Instruction cache size: 64 Kbytes
Main memory size: 64 Mbytes
ENP-10 Ethernet controller 0, firmware version 4 (SGI)
Integral Ethernet controller: Version 2
Integral SCSI controller 0: Version WD33C93
Tape drive: unit 7 on SCSI controller 0: QIC 150
Tape drive: unit 6 on SCSI controller 0: 8mm cartridge
Tape drive: unit 5 on SCSI controller 0: 8mm cartridge
Disk drive: unit 4 on SCSI controller 0
Disk drive: unit 3 on SCSI controller 0
Disk drive: unit 2 on SCSI controller 0
Disk drive: unit 1 on SCSI controller 0
ccsg27#

   
  Follows is a list of dbx analysis of the system crash. Can anyone point me at a
possible cause for these panics ?

Script started on Fri Aug 21 11:45:04 1992
ccsg1# ls -l 
total 175805
-rw-r--r--   1 root     sys            2 Aug 21 04:40 bounds
-rw-r--r--   1 root     sys            0 Aug 21 11:45 typescript
-rw-------   1 root     sys      1449364 Jul 25 14:33 unix.2
-rw-------   1 root     sys      1449364 Jul 30 12:58 unix.3
-rw-------   1 root     sys      1449364 Aug  6 08:21 unix.4
-rw-------   1 root     sys      1449364 Aug 21 04:40 unix.5
-rw-------   1 root     sys      1449364 Aug 25 17:56 unix.6
-rw-------   1 root     sys      21053440 Jul 25 14:36 vmcore.2
-rw-------   1 root     sys      21053440 Jul 30 12:59 vmcore.3
-rw-------   1 root     sys      21053440 Aug  6 08:22 vmcore.4
-rw-------   1 root     sys      21053440 Aug 21 04:40 vmcore.5
-rw-------   1 root     sys      21053440 Aug 25 17:58 vmcore.6
ccsg3# dbx -k {unix,vmcore}.2
dbx version 2.0 11/4/90 20:46
Copyright 1987 Silicon Graphics Inc.
Copyright 1987 MIPS Computer Systems Inc.
Type 'help' for help.

warning: unix.2 is not marked executable!
Reading symbolic information of `unix.2' . . .
SP=ffffddb0 fp=800ec2b0 pc=800157fc
Current process id is 3
(dbx) p utsname
struct utsname {
    sysname = "ccsg"
    nodename = "ccsg"
    release = "3.3.3L"
    version = "06110138"
    machine = "IP7"
} 
(dbx) t
>  0 syncreboot(0x3, 0x80015754, 0x1, 0x5, 0xb0630018, 0x800ec2f4) ["prf.c":578, 0x800157f8]
   1 cmn_err(0x0, 0x800d0524, 0x0, 0x800e34d0, 0x834acf4c, 0xb0630018) ["prf.c":174, 0x80013cd8]
   2 writebuf(0x0, 0x800224ec, 0x80214ed0, 0x80022590, 0x0, 0x8002259c) ["chunkio.c":1109, 0x80052ac8]
   3 writepg(0x80214ed0, 0x20100, 0x800224ec, 0x14, 0xff01, 0x0) ["chunkio.c":1075, 0x80052994]
   4 pdflush(0x80054a20, 0x14, 0x80054c24, 0xffffc32c, 0x3, 0x800a2680) ["page.c":941, 0x80022598]
   5 bdflush(0x4, 0x0, 0x1621, 0xc0005424, 0x10000, 0x0) ["fs_bio.c":979, 0x80054aac]
   6 .main.main(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ["main.c":255, 0x80012558]
   7 .clocore.start(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) ["IP5.O/clocore.s":610, 0x800030d4]
(dbx) &putbuf/1000s
80168c90: "\nPANIC: CPU 0: "
"ip ftype 0x0"
"\n"
"\ndumping to dev 0x1621 at block 0, numpages 5140\n"
"."
"."
"."
"."
"."
"."
"ion\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
More (n if no)?y
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: transmit: no carrier\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
More (n if no)?y
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"NOTICE: SCSI tape #5 "
"had 667 recoverable Errors\n"
"et0: late collision\n"

(dbx) quit
ccsg4# dbx -k {unix,vmcore}.3
dbx version 2.0 11/4/90 20:46
Copyright 1987 Silicon Graphics Inc.
Copyright 1987 MIPS Computer Systems Inc.
Type 'help' for help.

warning: unix.3 is not marked executable!
Reading symbolic information of `unix.3' . . .
SP=ffffdd00 fp=100004a0 pc=800157fc
Current process id is 388
(dbx) p utsname
struct utsname {
    sysname = "ccsg"
    nodename = "ccsg"
    release = "3.3.3L"
    version = "06110138"
    machine = "IP7"
} 
(dbx) t
>  0 syncreboot(Cannot read at 62233880 (0x3b59d18) in vmcore.3 for 4 bytes, showing zeros
0x0, Cannot read at 62233884 (0x3b59d1c) in vmcore.3 for 4 bytes, showing zeros
0x0, Cannot read at 62233888 (0x3b59d20) in vmcore.3 for 4 bytes, showing zeros
0x0, Cannot read at 62233892 (0x3b59d24) in vmcore.3 for 4 bytes, showing zeros
0x0, Cannot read at 62233896 (0x3b59d28) in vmcore.3 for 4 bytes, showing zeros
0x0, Cannot read at 62233900 (0x3b59d2c) in vmcore.3 for 4 bytes, showing zeros
0x0) ["prf.c":578, 0x800157f8]
Cannot read at 62233876 (0x3b59d14) in vmcore.3 for 4 bytes, showing zeros
(dbx) &putbuf/1000s
80168c90: "\nPANIC: CPU 1: "
"pagefree: page use 0 (0x8023E178)"
"\n"
"\ndumping to dev 0x1621 at block 0, numpages 5140\n"
"."
"."
"."
"."
"."
"."
"te collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"NOTICE: SCSI tape #5 "
"had 370 recoverable Errors\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
More (n if no)?yes
"enp0:  no carrier\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"dks0d1s0: Directory 3 is corrupted (001693)\n"
"dks0d1s0: Directory 3 is corrupted (001693)\n"
"dks0d1s0: Directory 3 is corrupted (001693)\n"
"dks0d1s0: Directory 3 is corrupted (001693)\n"
"dks0d1s0: Directory 3 is corrupted (001693)\n"
"dks0d1s0: Directory 3 is corrupted (001693)\n"
"dks0d1s0: Directory 3 is corrupted (001693)\n"
"dks0d1s0: Directory 3 is corrupted (001693)\n"
"dks0d1s0: Directory 3 is corrupted (001693)\n"
"NOTICE: SCSI tape #6 "
"had 289 recoverable Errors\n"
"enp0:  late collision\n"
"enp0:  late collision\n"
"enp0:  no carrier\n"
"enp0:  late collision\n"
"enp0:  late collision\n"

(dbx) quit
ccsg5# dbx -k {unix,vmcore}.4
dbx version 2.0 11/4/90 20:46
Copyright 1987 Silicon Graphics Inc.
Copyright 1987 MIPS Computer Systems Inc.
Type 'help' for help.

warning: unix.4 is not marked executable!
Reading symbolic information of `unix.4' . . .
SP=ffffdbcc fp=0 pc=800157fc
Current process id is 4763
(dbx) p utsname
struct utsname {
    sysname = "ccsg"
    nodename = "ccsg"
    release = "3.3.3L"
    version = "06110138"
    machine = "IP7"
} 
(dbx) t
>  0 syncreboot(Cannot read at 52440036 (0x3202be4) in vmcore.4 for 4 bytes, showing zeros
0x0, Cannot read at 52440040 (0x3202be8) in vmcore.4 for 4 bytes, showing zeros
0x0, Cannot read at 52440044 (0x3202bec) in vmcore.4 for 4 bytes, showing zeros
0x0, Cannot read at 52440048 (0x3202bf0) in vmcore.4 for 4 bytes, showing zeros
0x0, Cannot read at 52440052 (0x3202bf4) in vmcore.4 for 4 bytes, showing zeros
0x0, Cannot read at 52440056 (0x3202bf8) in vmcore.4 for 4 bytes, showing zeros
0x0) ["prf.c":578, 0x800157f8]
Cannot read at 52440032 (0x3202be0) in vmcore.4 for 4 bytes, showing zeros
(dbx) &putbuf/100-s  0s
80168c90: "\nPANIC: CPU 1: "
"KERNEL FAULT\nPC: 0x800222C4 ep:FFFFDD04\nEXC code:16, `Read Address Error '\nBad addr: 0x8000000B, cause: 0x30000010<CE1,CE0>\nsr: 0xFF34<IM7,IM6,IM5,IM4,IM3,IM2,IM1,IM0,KUo,IEo,IEp>\n"
"\n"
"\ndumping to dev 0x1621 at block 0, numpages 5140\n"
"."
"."
"."
"."
"."
"."
"ion\n"
"et0: receive packet overflow\n"
"et0: receive packet overflow\n"
"et0: receive packet overflow\n"
"et0: late collision\n"
"et0: transmit: no carrier\n"
"et0: late collision\n"
"et0: late collision\n"
"sion\n"
"et0: late collision\n"
More (n if no)?yes
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"NOTICE: SCSI tape #5 "
"had 41 recoverable Errors\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
More (n if no)?yes
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"

(dbx) quit
ccsg6# dbx -k {unix,vmcore}.5
dbx version 2.0 11/4/90 20:46
Copyright 1987 Silicon Graphics Inc.
Copyright 1987 MIPS Computer Systems Inc.
Type 'help' for help.

warning: unix.5 is not marked executable!
Reading symbolic information of `unix.5' . . .
SP=ffffdb8c fp=0 pc=800157fc
Current process id is 16622
(dbx) p utsname
struct utsname {
    sysname = "ccsg"
    nodename = "ccsg"
    release = "3.3.3L"
    version = "06110138"
    machine = "IP7"
} 
(dbx) t
>  0 syncreboot(0x3, 0x80015754, 0x1, 0x5, 0x10, 0x800ccf74) ["prf.c":578, 0x800157f8]
   1 cmn_err(0x0, 0x800cd0cc, 0x800cd1e8, 0x800214fc, 0xffffdcc4, 0x10) ["prf.c":174, 0x80013cd8]
   2 panicregs(0xffffdcc4, 0x10, 0xff34, 0x30000010, 0x800cd1e8, 0x801534b4) ["trap.c":127, 0x800181d0]
   3 k_trap(0x80020a8c, 0x1, 0xff34, 0x30000010, 0x8001de20, 0x80628078) ["trap.c":248, 0x8001859c]
   4 .trap.trap(0xffffdcc4, 0x8, 0xff34, 0x30000010, 0xffffff00, 0x80000003) ["trap.c":275, 0x800185e8]
   5 piinsert(0xffffc2e0, 0xffffc348, 0x0, 0x800519d8, 0x0, 0x7) ["page.c":252, 0x800214f8]
   6 getpg(0x8016f520, 0x19, 0x1, 0x80053c04, 0xffffffff, 0x801346d0) ["chunkio.c":428, 0x80051514]
   7 chunkread(0x801346d0, 0xffffde9c, 0xffffde9c, 0x80241a04, 0xffffdecc, 0x1) ["chunkio.c":625, 0x80051a7c]
   8 com_readi(0x801346d0, 0x80041870, 0x8013df04, 0x80041d4c, 0x801346d0, 0x80041980) ["com_rdwri.c":161, 0x800703d4]
   9 efs_readi(0x80134714, 0xa, 0x80041870, 0x5, 0x1, 0x80041790) ["wrap.c":25, 0x80069b6c]
  10 rdwr(0x1, 0x0, 0xffffc38c, 0x80019950, 0xffffc38c, 0x80019950) ["sys2.c":106, 0x8004197c]
More (n if no)?yes
  11 .sys2.read(0x4, 0xffffc38c, 0x801753ec, 0x8001a5a8, 0xff3c, 0x8001a5b4) ["sys2.c":35, 0x8004178c]
  12 .trap.syscall(0xffffc0f0, 0x3, 0xff3c, 0x90001000, 0x0, 0x0) ["trap.c":1029, 0x8001994c]
  13 systrap(0xffffc0f0, 0x3, 0xff3c, 0x90001000, 0x0, 0x0) ["IP5.O/clocore.s":2256, 0x80003bb4]
(dbx) &putbuf/1000s
80168c90: "\nPANIC: CPU 1: "
"KERNEL FAULT\nPC: 0x800214FC ep:FFFFDCC4\nEXC code:16, `Read Address Error '\nBad addr: 0x8000000B, cause: 0x30000010<CE1,CE0>\nsr: 0xFF34<IM7,IM6,IM5,IM4,IM3,IM2,IM1,IM0,KUo,IEo,IEp>\n"
"\n"
"\ndumping to dev 0x1621 at block 0, numpages 5140\n"
"."
"."
"."
"."
"."
"."
"length = 0)\n"
"et0: late collision\n"
"et0: late collision\n"
"enp0:  no carrier\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
More (n if no)?yes
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
More (n if no)?yes
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"
"et0: late collision\n"

(dbx) quit

ccsg2# dbx -k {unix,vmcore}.6
dbx version 2.0 11/4/90 20:46
Copyright 1987 Silicon Graphics Inc.
Copyright 1987 MIPS Computer Systems Inc.
Type 'help' for help.

warning: unix.6 is not marked executable!
Reading symbolic information of `unix.6' . . .
SP=ffffdd30 fp=0 pc=800157fc
Current process id is 17026
(dbx) p utsname
struct utsname {
    sysname = "ccsg"
    nodename = "ccsg"
    release = "3.3.3L"
    version = "06110138"
    machine = "IP7"
} 
(dbx) t
>  0 syncreboot(0x3, 0x80015754, 0x1, 0x5, 0x80026144, 0x8024a71c) ["prf.c":578, 0x800157f8]
   1 cmn_err(0x0, 0x800cd4f0, 0x0, 0x8024a71c, 0x80100770, 0x80026144) ["prf.c":174, 0x80013cd8]
   2 pagefree(0x8024a71c, 0x0, 0x80100770, 0x8001ddb4, 0x0, 0x0) ["page.c":1834, 0x80023bd0]
   3 pfree(0x8016f520, 0x19, 0x80025f2c, 0x80069b90, 0x0, 0x810043e8) ["region.c":443, 0x80026140]
   4 freereg(0x8013edd8, 0x8002652c, 0x80026514, 0x8003d45c, 0x8003d2d0, 0x82ea7a58) ["region.c":357, 0x80025f38]
   5 detachreg(0x810043e8, 0xffffc000, 0x8003a788, 0x8003674c, 0x8010c8d4, 0x8013ed70) ["region.c":632, 0x800264d0]
   6 .exit.exit(0x0, 0x7, 0x2000, 0x80019950, 0xffffc38c, 0x80019950) ["exit.c":259, 0x8003a794]
   7 rexit(0x4, 0x80037b74, 0x800379a4, 0x8001a5a8, 0xff3c, 0xff3c) ["exit.c":62, 0x8003a3ac]
   8 .trap.syscall(0xffffc0f0, 0x1, 0xff3c, 0x8000000c, 0x0, 0x0) ["trap.c":1029, 0x8001994c]
   9 systrap(0xffffc0f0, 0x1, 0xff3c, 0x8000000c, 0x0, 0x0) ["IP5.O/clocore.s":2256, 0x80003bb4]
(dbx) &putbuf/1000s
80168c90: "\nPANIC: CPU 1: "
"pagefree: page use 0 (0x8024A71C)"
"\n"
"\ndumping to dev 0x1621 at block 0, numpages 5140\n"
"."
"."
"."
"."
"."
"."
"collision\n"
"et0: late collision\n"
"ghts Reserved\n"
" Copyright 1987, 1988, 1989, 1990 Silicon Graphics, Inc. - All Rights Reserved\n"
"                  U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND\n"
" Use, duplication or disclosure by the Government is subject to restrictions\n"
" as set forth in FAR 52.227-19(c)(2) or subparagraph (c)(1)(ii) of the Rights\n"
" in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or\n"
" in similar or successor clauses in the FAR, or the DOD or NASA FAR Supplement.\n"
More (n if no)?y
" Unpublished -- rights reserved under the Copyright Laws of the United States.\n"
" Contractor/manufacturer is Silicon Graphics, Inc., 2011 N. Shoreline Blvd.,\n"
" Mountain View, CA 94039-7311.\n"
"*******************************************************************************\n"
"\nIRIX System V Release 3.3.3L IP7 Version 06110138\n\n"
"root on dev 0x1620, swap on dev 0x1621\n"
"et0: late collision\n"

(dbx) quit
ccsg3# exit

-- 

-- Yaron.
-- 

-- Yaron.
Newsgroups: comp.sys.sgi