Date: Sun, 10 Nov 2002 19:43:07 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: alpha@FreeBSD.ORG Subject: Re: ev4/5/6 issue ? Message-ID: <26565.1036953787@critter.freebsd.dk> In-Reply-To: Your message of "Sun, 10 Nov 2002 11:35:20 EST." <15822.35528.984561.534904@grasshopper.cs.duke.edu>
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In message <15822.35528.984561.534904@grasshopper.cs.duke.edu>, Andrew Gallatin writes: > >Poul-Henning Kamp writes: > > > > An alphastation255 has found its way to my lab but I'm having a spot of > > trouble getting it into workable state. > > > > I installed an iso which jhb@ had produced and the system boots. > > > > But make(1) coredumps with illegal instruction. > > > > I've tried to compile a make(1) on beast (setting CPUTYPE="") but it > > also core-dumps. I pressume that's because the libs are ev6. > > > >An illegal instruction trap occurs when the processor attempts to >execute an instruction which it does not recognize. We attempt to >fixup the most common instructions in the kernel (mainly so you can >run the acrobat reader binary on older alphas..) > >However, beast is a 21264a and it supports all valid alpha >instructions. So rather than a bug in the opdec code, I suspect that >the compiler or linker is emitting bad code, or something else weird >is happening. I get the trap on my alphastation 255, not on beast. >What instruction is causing the trap? I have no idea, gdb doesn't offer any help as far as I can see :-( -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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