Date: Thu, 27 Jul 1995 15:04:22 -0700 (PDT) From: brian@MediaCity.com (Brian Litzinger) To: nik@blueberry.co.uk (Nik Clayton) Cc: questions@FreeBSD.org Subject: Re: Pentiums and cache problems Message-ID: <m0sbb2U-000rfdC@easynet.com> In-Reply-To: <199507271147.LAA01078@elbereth.blueberry.co.uk> from "Nik Clayton" at Jul 27, 95 11:47:52 am
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> How do, > Can anyone provide technical information as to the nature of the > problems concerning some motherboards and the processor cache? > My Pentium (100Mhz) has two caches, one external, one internal. > During my intial install of FreeBSD, they were both on. The install > would randomly reboot at about halfway through. Turning off the external > cache fixed this problem. Amazing. Just yesterday, I switched off the external cache on my Pentium 90 machine, which occasionally rebooted, and now its solid like a rock. The problem manifests itself as just a simple reboot (no panic, no crash) during extensive disk activity (building kernel or hylafax). On lotsa different motherboards (though all PCI). I'm using adaptec 2940W SCSI controller. > I know that if I turn around to my motherboard supplier they'll say "It > works find under DOS/Windows/OS2/Linux, prove it's a bug in our > motherboard". So can anyone provide me with technical information that I > can give the manufacturer and say "fix this"? I'd love to hear this too. Brian Litzinger brian@easynet.com
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