Re: 4.01 panic/lock issues?

Izumi Tsutsui <[email protected]> Tue, 20 Jan 2009 00:25:44 +0900

Newsgroups	gmane.os.netbsd.ports.sun3
Message-ID	<[email protected]>

[email protected] wrote:

>  	I think we are in violent agtreement here - we should be
>  	defaulting to -m68020-60 for userland and kernels which
>  	need to be able to run on multiple processor types...

Kernels are built with -msoft-float, so -m68040 (or -m68060) is
still safe even on 020/030 because no 040 specific FP insn is in kernel.

The problem is that 040 FP instructions in userland cause a kernel panic
(or SIGILL), i.e. userland binaries should use at least -m68020-60.
---
Izumi Tsutsui