NetBSD-Bugs archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: kern/59776: 11.0_BETA Kernel from 15.11.25 crashes on MVME17x Board
The following reply was made to PR kern/59776; it has been noted by GNATS.
From: Jason Thorpe <thorpej%me.com@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: kern-bug-people%netbsd.org@localhost,
gnats-admin%netbsd.org@localhost,
netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/59776: 11.0_BETA Kernel from 15.11.25 crashes on MVME17x
Board
Date: Thu, 20 Nov 2025 07:40:04 +0100
> On Nov 19, 2025, at 8:25=E2=80=AFPM, denis%h3q.com@localhost wrote:
>=20
> [ 1.0096440] panic: Illegal instruction
> [ 1.0096440] rebooting...
>=20
> checking the faulty mnemonic memory position this is listed:
>=20
> 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>
>=20
> 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
Home |
Main Index |
Thread Index |
Old Index