Date: Fri, 19 Apr 2002 00:23:50 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: Julian Elischer <julian@vicor-nb.com> Cc: current@FreeBSD.ORG Subject: Re: What does "FPU bounds check fault" mean? Message-ID: <20020419002106.U15456-100000@gamplex.bde.org> In-Reply-To: <3CBDF3DC.6347FC29@vicor-nb.com>
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On Wed, 17 Apr 2002, Julian Elischer wrote: > I got this fault on a production machine.. > The given fault PC was 0xc01499f0 which is the first byte of fxpintr() > (??) > even though coredumps were enabled, for some reason none was made. > > > > > > > > > wss0c left this message in /var/log/messages: > > > > Apr 17 08:36:55 wss0c /kernel: Fatal trap 21: "FPU bounds check fault > > > > while in kernel mode "FPU" means that i386/trap.c has a bogus error message for the non-FPU bounds check fault. I think the kernel doesn't use the `bounds' instruction, so the bug is most likely that a garbage instruction was executed. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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