On 10-May-15 13:07, Cory Smelosky wrote: > Hey, > > Trying to figure out if this is an issue with the install or an > obscure SIMH bug. > > PDP-10 simulator V4.0-0 Beta git commit id: 3b8c318b > Listening on port 2020 > > BOOT> > > > [PS MOUNTED] > > SETSPD: TERMINAL 1-40 SPEED 200 > > System restarting, wait...?INVALID CHARACTER IN NUMBER > ENTER CURRENT DATE AND TIME: 10-MAY-2015 13:02 > > YOU HAVE ENTERED SUNDAY, 10-MAY-2015 1:02PM, > IS THIS CORRECT (Y,N) Y > WHY RELOAD? OPR > RUN CHECKD? N > > RUNNING DDMP > > > SYSJOB 5(23) STARTED AT 10-MAY-2015 1302 > RUN SYS:ORION > RUN SYS:QUASAR > RUN SYS:MOUNTR > RUN SYS:INFO > RUN SYS:MAILER > RUN SYS:MAPPER > RUN SYS:LPTSPL > RUN SYS:LPTSPL > RUN SYS:CDRIVE > RUN SYS:SPRINT > JOB 0 /LOG OPERATOR XX OPERATOR > ENA > ^ESET LOGIN PSEUDO > ^ESET LOGIN CONSOLE > ^ESET OPERATOR > PTYCON > GET SYSTEM:PTYCON.ATO > / > JOB 1 /LOG OPERATOR XX OPERATOR > ENA > RUN SYS:BATCON > / > SJ 1: @LOG OPERATOR OPERATOR > SJ 0: @LOG OPERATOR OPERATOR > > ********** > *BUGHLT "ILMNRF" AT 10-May-2015 13: > *JOB: 000000000002, USER: OPERATOR > *ADDITIONAL DATA: 001000746144, 304000000000, 000000537375 > ********** > > Config: > > set cpu idle > set cpu tops-20 > at rp0 tops20-ps-rp06-1.dsk > at rp1 tops20-ps-rp06-2.dsk > at rp2 tsu.dsk > at dz0 2020 > set tim y2k > set console wru=6 > boot rp0 > > I have applied the TSU01 4.1 update. > > Any ideas? It worked fine until I tried to build kermit. This is the generic illegal memory reference in the monitor for TOPS-20. Could be a reference to an unmapped page; a stray pointer, or commonly a missing erjmp after a potentially unmapped reference. There were lots of patches for various cases, but there's probably not a 'last bug'.
The additional data is the pagefail word, flags and pc. The only way to track it down is to get a crash dump and dig in. (You might get a clue if you look at the PC with MDDT...) You might also get a clue if you run spear on the error log.
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