Date: Wed, 28 May 2003 23:06:22 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: Joel V <joel@starman.ee> Cc: freebsd-hackers@freebsd.org Subject: Re: Problem adding new disk to existing installation (FreeBSD 4.8) Message-ID: <3ED5A35E.5F313290@mindspring.com> References: <000101c325a4$5c918210$0100a8c0@athlon>
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Joel V wrote: > DEBUG: MakeDev: Unknown major/minor for devtype - > > I changed the ata100 cable. I checked the disk with WD's Data Lifeguard. > The disk also worked fine in a Win2k workstation. All the BIOS settings > are on auto. Someone suggested on doing "cd /dev/ && ./MAKEDEV all", but > this didn't help. Also, FreeBSD detects both disks without problems: > > ad0: 114473MB <WDC WD1200JB-00CRA1> [232581/16/63] at ata0-master > UDMA100 > ad2: 57241MB <WDC WD600JB-00CRA1> [116301/16/63] at ata1-master UDMA100 > > Anyone seen something like this before? I found surprisingly little info > on google. Yeah; on a Via 82C686B IDE controller chip. Force it to UDMA66; if that doesn't help, look for a BIOS update to change your PCI settings. This was recently posted about on freebsd-chat. According to one of the web sites, you can work around it by disabling 2 PCI features in your BIOS, and setting the time-on to 32ms or less. Also on a CMD640B; the fix for that one is to not use the second channel on the IDE controller, and stick a third party disk controller card in one of the slots, instead. Also on a disk on a seondary channel that wasn't jumpered for slave mode, and when mixing disks from two manufacturers (no your problem, if both are WD). -- Terry
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