Date: Mon, 21 Oct 1996 12:04:42 -0700 (MST) From: Terry Lambert <terry@lambert.org> To: joerg_wunsch@uriah.heep.sax.de Cc: freebsd-hackers@freebsd.org, mgessner@aristar.com Subject: Re: install on Dell P60 Message-ID: <199610211904.MAA06325@phaeton.artisoft.com> In-Reply-To: <199610200748.JAA28041@uriah.heep.sax.de> from "J Wunsch" at Oct 20, 96 09:48:46 am
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> > Well, the installation goes fine, but when I try to reboot, my system > > does a hard reboot after the first couple of /-\|/ go by. > > > > When I try to boot from the floppy to wd(1,a)/kernel, I get further, > > but eventually the kernel panics. > > Surprising that Linux worked on it, but i would try making the memory > timing more relaxed. Disable caching. Then work your way up to disabling "writeback" The old Dell P60's (are there new Dell P60's? I don't think so) used the old Saturn I chipset. The Old Saturn I chipset does not do a cache invalidate cycle for PCI bus master DMA devices. Is it time to once again suggest detecting faulty hardware, and add an explicit BINVD for the DMA target area in the competion routine? Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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