Re: kern/59776: 11.0_BETA Kernel from 15.11.25 crashes on MVME17x Board

[Jason Thorpe <thorpej%me.com@localhost>]

> On Nov 19, 2025, at 8:25 PM, denis%h3q.com@localhost wrote:
> 
> [   1.0096440] panic: Illegal instruction
> [   1.0096440] rebooting...
> 
> checking the faulty mnemonic memory position this is listed:
> 
> 177-Bug>ds 17bed4:3
> 0017BED4 4C100C01          MULS.L      (A0),D1:D0
> 0017BED8 E388              LSL.L       #$1,D0
> 0017BEDA E591              ROXL.L      #$2,D1
> 177-Bug>
> 
> the mnemonic MULS.L (64bit product) crashes the MC68060 CPU because that is an illegal opcode UNTIL the FPSP is installed (floating point emulation for specific FPU opcodes the MC68060 is missing).

This is curious.  The 060 FPSP should be initialized at this point.  I will take a look to see if something obvious is missing.

-- thorpej