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Date:      Mon, 14 Dec 1998 22:39:59 -0500
From:      Kelvin <kfarmer@trentu.ca>
To:        mike@smith.net.au, freebsd-current@FreeBSD.ORG
Subject:   Re: Phantom hard drive detection in GENERIC?
Message-ID:  <3675DA0F.CE66DD69@trentu.ca>

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> Please wrap your paragraphs; it's hard (and thus discouraging) to reply 
> to a message that requires extra formatting effort.

(Sorry, no-wrapping seems to be the default for mailing from Dejanews,
I'll have to remember this!)

>> wd3: can't handle 65535 heads from partition tale (truncating to 16)
>> wd3 cannot handle 65535 sectors (max 255)
>> wd3 wdcontrol: reca failed reading fsbn0wd3: status 
>> 7e<rdy,wrtflt,seekdone,drq,ecc_cor,index> error 4<abort>
>> wd3 error reading primary partition table reading fsbn 0 (wd3 bn0;cn0 tn0 sn0) 
>
>  When you say "halts the installation process", does it repeat the above 
> error message, or does it simply lock up at this point?

It gives you the blue screen of death ;) labelled "Probing Devices,
please wait"
You need to hit Alt-F2 to see the above error messages. (They don't
repeat)

> Can you try winding back the BIOS IDE-related settings to their most 
> conservative values?


Done. And interestingly, the "failsafe" settings don't cause this
problem... so I went through the various options trying to track it
down. It seems the problem lies with the BIOS option:
"Delayed Transaction Enable"
If this is enabled there is no problem. If it is disabled, then the
problem occurs. The manual only says "set this option to enabled to
enable the delayed transaction feature: the failsafe setting is enabled,
the optimal setting is enabled, the maximum BIOS performance setting is
disabled"

a quick search of dejanews seems to indicate that "delayed transaction
enable" should be enabled for PCI 2.1 compliance. Therefore, the problem
would be my fault rather than FreeBSD.

Thanks for the help.
Kelvin.

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