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RT 6.0C: kernel panic

daemon@ATHENA.MIT.EDU (probe@ATHENA.MIT.EDU)
Tue Aug 30 16:38:12 1988

From: <probe@ATHENA.MIT.EDU>
Date: Tue, 30 Aug 88 15:43:18 EDT
To: bugs@ATHENA.MIT.EDU
Reply-To: Richard Basch   <probe@ATHENA.MIT.EDU>

Yesterday, my machine kernel panic'd.  The following was in 'msgbuf':

                mInited (apa16      ) screen
Inited (monochrome) screen
4.3 BSD UNIX (ATHENA) #9: Fri Jul 29 02:58:45 EDT 1988
    kubitron@minos:/u2/sys/ATHENA

5799-WZQ (C) Copyright IBM Corporation 1986,1987
All Rights Reserved
Licensed Materials - Property of IBM

Using 102 buffers containing 306K bytes
Memory summary: total 4096K (0x400000), available 2634K (0x292800)
Neither AFPA nor FPA present.
68881 enabled.
autoconf
hdc0: card level 0x4b microcode level 0x55 configuration bits 0xc7
hdc0 adapter f00001f0 IRQ 12 CPU level 4
hd0 at hdc0 slave 0
hd0: hd70e; interleave factor is 1 to 1
hd1 at hdc0 slave 1
hd1: hd70e; interleave factor is 1 to 1
hd2 at hdc0 slave 2
hd2: hd70e; interleave factor is 1 to 1
fdc0 adapter f00003f2 IRQ 6 CPU level 4
fd0: 1.2M drive
fd0 at fdc0 slave 0
stc0 adapter f00001e8 IRQ 12
st0 at stc0 slave 0
un0 adapter f4080000 IRQ 5 CPU level 4
un0: ethernet address 0:dd:0:fa:c2:0
autoconf: help - interrupt at irq 10 and irq 11!
asy0 adapter f0001230 IRQ 11 CPU level 4
lp0 adapter f00003bc IRQ 7
psp0 adapter f0008000 IRQ 2 CPU level 3
configure end
NFS server PITA.MIT.EDU not responding, still trying
NFS server PITA.MIT.EDU ok
reset_mouse: Bad block count = 255
reset_mouse: Wrong configuration resp (ff)
xdr_string: size FAILED
trap: mcs_pcs=0x42<DATA-ADDR,UNKNOWN>, info=0x3002<PROTECTION>, iar=0xe0044f54,
ics_cs=0xa800010<CHKSTOP-MASK,XLATE,STG-PROT>
CSR=220000ff
R0 ... R3 e008deec 1ffff668 00000000 e140b000
R4 ... R7 00000004 e008df84 e008df84 e008df8c
R8 ... Rb e00ad390 e008df84 e008df8c bd00c522
Rc ... Rf 0000358c 1ffff6a0 e008df8c e0044f44
exception stack(1):     st r11,358c [bd00c522]
GSR1=40000000 REP1=80000000 SER=2<PROTECTION> SEAR=ff000000 TRAR=3ab000 TCR=107f
<TLIPT> HAT/IPT=7f
panic: kernel trap not tlb
syncing disks... 8 5 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 done

dumping to dev 101, offset 43808
dump


As you can see, there were several problems:

	reset_mouse: Bad block count = 255
	reset_mouse: Wrong configuration resp (ff)

	xdr_string: size FAILED

and, of course,

trap: mcs_pcs=0x42<DATA-ADDR,UNKNOWN>, info=0x3002<PROTECTION>, iar=0xe0044f54,
ics_cs=0xa800010<CHKSTOP-MASK,XLATE,STG-PROT>
CSR=220000ff
R0 ... R3 e008deec 1ffff668 00000000 e140b000
R4 ... R7 00000004 e008df84 e008df84 e008df8c
R8 ... Rb e00ad390 e008df84 e008df8c bd00c522
Rc ... Rf 0000358c 1ffff6a0 e008df8c e0044f44
exception stack(1):     st r11,358c [bd00c522]
GSR1=40000000 REP1=80000000 SER=2<PROTECTION> SEAR=ff000000 TRAR=3ab000 TCR=107f
<TLIPT> HAT/IPT=7f
panic: kernel trap not tlb


The vmcore can be found in /odie/u2/crash/vmcore.0 (attach odie:u2).
The kernel is the standard Athena RT 6.0C kernel.

-Richard Basch

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