Date: Fri, 14 Apr 1995 19:25:48 -0700 From: David Greenman <davidg@Root.COM> To: Poul-Henning Kamp <phk@ref.tfs.com> Cc: rgrimes@gndrsh.aac.dev.com (Rodney W. Grimes), cmf@ins.infonet.net, current@FreeBSD.org Subject: Re: Interesting (and odd) effect in -current Message-ID: <199504150225.TAA00711@corbin.Root.COM> In-Reply-To: Your message of "Fri, 14 Apr 95 19:19:41 PDT." <199504150219.TAA19083@ref.tfs.com>
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>> > >But I have digressed, if the BIOS didn't manage to get this write at >> > >power on, you would get NMI interrupts no matter what OS you ran. I >> > >don't see a reason to add code to FreeBSD that really belongs in the >> > >BIOS in the off chance that some really rare broken motherboard could >> > >then work. >> > >> > I agree, but I think clearing memory has other merits. >> >> Yes, setting it to 0xDeadBeef is a very good idea, that way you >> can find out some times when you pick up a wild pointer by the >> value in it :-). > >Except that in our case is should be 0x00coffee, "No coffee" :-) Seriously, 0x00coffee would be a poor choice since it would likely be valid in the user address space. ...but I know you're not serious. -DG
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