Date: Mon, 18 Aug 2003 11:21:37 -0400 (EDT) From: Andre Guibert de Bruet <andy@siliconlandmark.com> To: Kevin Oberman <oberman@es.net> Cc: freebsd-current@freebsd.org Subject: Re: Slow Boot Message-ID: <20030818111704.R320@alpha.siliconlandmark.com> In-Reply-To: <20030818151636.A4F255D08@ptavv.es.net> References: <20030818151636.A4F255D08@ptavv.es.net>
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On Mon, 18 Aug 2003, Kevin Oberman wrote: > > Date: Mon, 18 Aug 2003 11:09:05 -0400 (EDT) > > From: Andre Guibert de Bruet <andy@siliconlandmark.com> > > > > On Mon, 18 Aug 2003, Kevin Oberman wrote: > > > > > > From: Bill Moran <wmoran@potentialtech.com> > > > > > > > > Matthew D. Fuller wrote: > > > > > On Sun, Aug 17, 2003 at 02:55:46PM -0400 I heard the voice of > > > > > Bill Moran, and lo! it spake thus: > > > > > > > > > >>My best guess is that the chipset responds slowly to probes, thus it > > > > >>takes a while to get the list of devices from it. However, I've never > > > > >>looked into it any more than that. > > > > > > > > > > I've always presumed it to be a question of timing out probes to the > > > > > drives; it only ever happens on IDE controllers with no devices attached > > > > > to 'em. I habitually just disable the controller channels that are empty > > > > > (or, in the case of my SCSI systems, just yank ATA support altogether). > > > > > > > > Could be. This machine is pretty bare-bones. Single ATA HDD and nothing > > > > on the secondary controller. I never really considered that, but it makes > > > > sense that probes on the secondary controller would take the full timeout > > > > value if there was nothing to respond. > > > > > > Nope. My system has disks on both ATA controllers with hard drives as > > > the master for each channel. One channel also has the CD drive as > > > the slave. > > > > Does the hard drive that's on it's own have a "Single" jumper > > configuration option available? > > I'm not sure what a "Single" jumper is, but the drive is jumpered as > "master". The only options are "master", "slave", and "Cable Select". It's a jumper configuration that's commonly found on Western Digital IDE drives. It might also be labelled "Master w/o slave". Weirdness occurs (I've seen write errors and timeouts) when these drives sit on an otherwise empty IDE channel while they are set as 'master'. > Andre Guibert de Bruet | Enterprise Software Consultant > > Silicon Landmark, LLC. | http://siliconlandmark.com/ >
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