Re: Boot loader doesn't see [root filesystem on] ATA disk after successful install

[Joel]

It would be nice if someone with more experience than I would chime in.
(B
(BBut I'll offer a few more thoughts before I throw in the towel.
(B
(BOn Wed, 11 May 2005 11:45:11 -0700 (PDT)
(BBrian O'Shea <[EMAIL PROTECTED]> wrote
(B
(B> --- Joel <[EMAIL PROTECTED]> wrote:
(B> > 
(B> > From what little I've seen, it could be worth a try if you have the
(B> > time.
(B> 
(B> Ok, I tried booting the loader on the SCSI disk, and then telling it
(B> to boot the kernel on the IDE disk.  In this case it just beeped and
(B> returned me to the prompt to select a disk (F1 or F5) to boot from.
(B> The lsdev command on this boot loader gave the same results as the
(B> one booted from the IDE disk.
(B
(BSince I'm not there to watch you do it, it's hard to say whether that
(Bproves you can't do it or not. Not that I'm sure I'd know anyway.
(B
(BSearching on google for [HP Kayak XU] found this page,
(B
(B    http://www.rql.kiev.ua/RQL/old/HP/PC/kayak_xu.htm 
(B
(Bwhich indicates up to two internal IDE devices, but that doesn't seem to
(Baddress the question of whether the controller can handle a CD-ROM and a
(Bhard disk on the same channel.
(B
(B> > From what I've read and what I've experienced, putting hard disks
(B> > and CD-ROMs on the same channel is counterproductive. Boot problems
(B> > and data problems are said to be likely on many controller and drive
(B> > combinations.
(B> 
(B> I know, and I wouldn't have done that except that I was surprised to
(B> find out that this PC only has one socket for an IDE cable.  It has
(B> two on-board IDE controllers though!
(B
(BAre you sure? The page I linked above said something about dual SCSI but
(Bnothing about dual ATA.
(B
(B> (this is an HP Kayak XU with dual
(B> PII processors, a little on the old side, but it's the only i386 SMP
(B> system that I have access to at the moment).
(B
(BAny room in the bus for an extra interface card? (Not aesthetic, but one
(Bpossible option ...)
(B
(B> > > > If you can boot from the SCSI, check the dmesg there to see whether
(B> > > > the ATA controller is recognized by the older system. That wouldn't
(B> > > > give an absolute answer, but might yield a clue.
(B> > > 
(B> > > The older system can see the CD-ROM drive, so it must be recognizing
(B> > > the ATA controller.  I'll post the relevant dmesg output tomorrow
(B> > > though.
(B> 
(B> Here is the relevant dmesg output:
(B> 
(B> atapci0: <Intel PIIX4 ATA33 controller> port 0xfcd0-0xfcdf at device 7.1 on
(B> pci0
(B
(BOk, one controller.
(B
(B> ata0: at 0x1f0 irq 14 on atapci0
(B> ata1: at 0x170 irq 15 on atapci0
(B
(BThat appears to be two channels, yeah. So we guess they used a standard
(Btwo channel controller, but didn't wire the second socket for the
(Bsecondary channel, as you say. No fun at all.
(B
(B> ...
(B> ad0: 76319MB <WDC WD800JB-00JJC0> [155061/16/63] at ata0-master UDMA33
(B> acd0: CDROM <CD-532E-A> at ata0-slave PIO4
(B
(BOkay, it sees the HD. Can you boot from the CD this way? Does the
(Bnumbering match what the bootloader sees? I don't remember if you
(Bmentioned dropping into the bootloader to check the drive numbering at
(Bboot time, did you do that?
(B
(BWell, here's the pcguide site I mentioned might have some useful
(Binformation. Second link will jump past the odd indexing to the stuff
(Babout ATA. (But watch out for the strange ads on the links in the text.)
(B
(Bhttp://www.pcguide.com/
(Bhttp://www.pcguide.com/ref/hdd/if/ide/index.htm
(B
(BSomewhere in there may be a clue. But since the hardware is in front of
(Byou and not me, I'm going to bail at this point. Also going to suggest
(Beither getting an ATA interface card so the HD and CD don't have to be
(Bon the same channel, or getting a SCSI drive.
(B
(BThe trouble you go through to get ATA doing what you buy the drives for,
(BI'm not sure if they're worth the price differential.
(B
(B--
(BJoel Rees   <[EMAIL PROTECTED]>
(Bdigitcom, inc.   $B3t<02qhttp://www.ddcom.co.jp> **
(B
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