Date: Sun, 30 Oct 2005 23:11:05 -0800 From: "Ted Mittelstaedt" <tedm@toybox.placo.com> To: "Mike Jeays" <Mike.Jeays@rogers.com> Cc: freebsd-questions@freebsd.org Subject: RE: DMA errors Message-ID: <LOBBIFDAGNMAMLGJJCKNIEKFFCAA.tedm@toybox.placo.com> In-Reply-To: <1130641444.690.13.camel@chaucer.jeays.ca>
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>-----Original Message----- >From: Mike Jeays [mailto:Mike.Jeays@rogers.com] >Sent: Saturday, October 29, 2005 8:04 PM >To: Ted Mittelstaedt >Cc: freebsd-questions@freebsd.org >Subject: RE: DMA errors > > >On Sat, 2005-10-29 at 19:48, Ted Mittelstaedt wrote: >> Try a different disk drive. >> >> What motherboard is in use here? >> >> Ted >> >> >-----Original Message----- >> >From: owner-freebsd-questions@freebsd.org >> >[mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Mike Jeays >> >Sent: Saturday, October 29, 2005 4:28 PM >> >To: freebsd-questions@freebsd.org >> >Subject: DMA errors >> > >> > >> >I have a 40GB Maxtor D740X-6L disk, and have been unable to >install 5.4 >> >or 6.0 on it. I get errors: >> > >> >ad0: FAILURE WRITE_DMA STATUS=51 <READY,DSC,ERROR> error=84 (IRC, >> >ABORTED) LBA=.. >> > >> >as soon as I try to commmit the changes in sysinstall. >> > >> >I have checked that the IDE cable is the 80-wire type, and cleaned up >> >the connections and so on. >> > >> >I tried installing Ubuntu on this disk, and everything went >perfectly. >> >(Those guys have done a really great job, by the way). >> > >> >Is there some configuration trick I have missed? >> > >> >_______________________________________________ >> >freebsd-questions@freebsd.org mailing list >> >http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> >To unsubscribe, send any mail to >> >"freebsd-questions-unsubscribe@freebsd.org" >> > >> >-- >> >No virus found in this incoming message. >> >Checked by AVG Free Edition. >> >Version: 7.1.362 / Virus Database: 267.12.6/151 - Release Date: >> >10/28/2005 >> > > >It works on at least one other disk, a Western Digital 80GB. The >motherboard is as Asus P4S533. > Well I hate to be flippant, but there you have it, problem solved. I have been doing PC work professionally for over 10 years and unprofessionally for at least 10-15 years before that, and ever since the IDE interface was invented I've had to deal with incompatibilties between the controller and the hard disk. Back in the days that the IDE controller chip was on a paddle card I used to have a box of them and when running into a problem like your doing, I would swap the cards until I got a good combo. This was all ISA stuff of course. Once the PCI came out and they started putting the controller on motherboard, they only way around these problems is to play musical chairs with the disk drives. And all this was long before FreeBSD, let alone Linux, was even a gleam in someone's eye. Your 40GB Maxtor has some moronic timing incompatibility with the IDE chipset that the FreeBSD driver in 5.4/6.0 happens to tickle, there's nothing you can do about it. Use your 80GB disk for the FreeBSD system or go find some other brand of motherboard for your 40GB disk, and things will work fine. Ted
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