Date: Mon, 12 Oct 1998 12:29:19 -0400 (EDT) From: Alfred Perlstein <bright@hotjobs.com> To: Bruce Evans <bde@zeta.org.au> Cc: zach@gaffaneys.com, current@FreeBSD.ORG Subject: Re: bitten 3 times already. Message-ID: <Pine.BSF.4.05.9810121219010.13201-100000@porkfriedrice.ny.genx.net> In-Reply-To: <199810121614.CAA12373@godzilla.zeta.org.au>
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> >Also: > >wdc0 at 0x1f0-0x1f7 irq 14 flags 0x7fff7fff on isa > >wdc0: unit 0 (wd0): <IBM-DHEA-38451>, LBA, DMA, multi-block-16, sleep-hack > >wd0: 8063MB (16514064 sectors), 17475 cyls, 15 heads, 63 S/T, 512 B/S > > > >i'm quite sure i have LBA translations going on, however i'm kinda certain > >that the disk driver isn't running amok because all my other partitions > >were fine (except /usr) > > > >thank you for taking the time to help me with this, go an idea of what's > >going on here? > > Dumps and LBA mode should't be mixed, since the dump routine doesn't > support LBA mode and it uses CHS mode with nominal geometry if LBA mode > is configured. Dumps only work if the nominal geometry is the same as > the actual one. Otherwise, dumps write sectors to the wrong places, > possibly outside the partition. > > I don't know how the geometry can be H=15/S=63. This looks like the > actual geometry, but the probe should report the nominal one which should > be H=255/S=63 for this size of drive. It's suprising that this size of > drive is made. It's only 31MB over the 1024*255*63 limit, and exceeding > this limit causes problems. > > Fix: don't use LBA mode. CHS mode should work up to size 65535*255*63 > sectors if it works at all. no, this is a fix: /usr/src % diff -u /usr/src/etc/rc.conf ~/rc.conf --- /usr/src/etc/rc.conf Thu Oct 8 17:20:48 1998 +++ /usr/home/bright/rc.conf Mon Oct 12 12:23:52 1998 @@ -158,6 +158,7 @@ lpd_flags="" # Flags to lpd (if enabled). sendmail_enable="YES" # Run the sendmail daemon (or NO). sendmail_flags="-bd -q30m" # -bd is pretty mandatory. +# don't enable dumping on IDE disks that are using LBA addressing! dumpdev="NO" # Device name to crashdump to (if enabled). check_quotas="NO" # Check quotas (or NO). accounting_enable="NO" # Turn on process accounting (or NO). -Alfred To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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