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- From: aroest@fwi.uva.nl (Axello de Roestello)
- Subject: Regular crashing in ROM _Jackson, why?
- Message-ID: <1992Dec17.112353.29342@fwi.uva.nl>
- Keywords: macsbug, crash, _Jackson,
- Sender: news@fwi.uva.nl
- Nntp-Posting-Host: gene.fwi.uva.nl
- Organization: FWI, University of Amsterdam
- Date: Thu, 17 Dec 1992 11:23:53 GMT
- Lines: 47
-
- Help!
- For the last couple of months my Mac has been very 'crashy'. When I installed
- Macsbug it showed me that it always goes into the debugger in the ROM ROUTINE
- _Jackson, as shown below. Macsbug shows that many different programs could be
- running at the time of the crash. Programs that have this behaviour are:
- Nuntius, JPEGView, Eudora, Telnet. These are quite reliable programs on other
- machines.
- system specs: MacIIci 8/160, RasterOps 8/24XLi, sys 7.01 + 1.1.1, external 1Gb,
- formatted with Micronet Utils 5.1.9 (anyone knows where to get a new one?),
- I have various inits running.
-
- Does anyone know what this routine Jackson does, what it's for and why it is
- in ROM? I mean, what good is a routine that jumps in the debugger immediately?
- Any help would be highly appreciated since I'm thoroughly lost on this one.
-
-
- Axel
- ===========================
- This is a log from Macsbug:
-
- System error #25 at 4083143A _Jackson+0000
- Disassembling from 40831420
- _DisposCIcon
- +0020 40831420 MOVEQ #$00,D0 | 7000
- +0022 40831422 MOVEA.L (A7)+,A1 | 225F
- +0024 40831424 MOVE.W (A7)+,D0 | 301F
- +0026 40831426 BNE.S _DisposCIcon+002A ; 4083142A | 6602
- +0028 40831428 MOVEQ #$02,D0 | 7002
- +002A 4083142A _NewHandle ,Immed ; A322 | A322
- +002C 4083142C BNE.S _DisposCIcon+0032 ; 40831432 | 6604
- +002E 4083142E MOVE.L A0,(A7) | 2E88
- +0030 40831430 JMP (A1) | 4ED1
- +0032 40831432 MOVEQ #$19,D0 | 7019
- +0034 40831434 JSR ([$1524]) | 4EB0 81E1 1524
- _Jackson
- +0000 4083143A *_Debugger ; A9FF | A9FF
- +0002 4083143C _NewHandle ,Immed ; A322 | A322
- +0004 4083143E BNE.S _DisposCIcon+0032 ; 40831432 | 66F2
- +0006 40831440 RTS | 4E75
-
- ===================
- My ROMbase is at 40800000, so this is clearly a ROM routine
-
- --
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