ATA over 127 GByte on FBSD 4.8 ?

[Kris Kennaway]

On Mon, Aug 01, 2005 at 07:40:31PM -0700, Mark Terribile wrote:
> 
> ===I recently replaced smaller drives with a 160G and 250G drives (IDE).
> They were on the Gigabyte motherboard's SiS 963 chipset.  I discovered that
> attempts to access anything above 127G resulted in errors:
> 
>   pg root:root# dd if=/dev/ad6 of=/dev/null bs=2k skip=51200000
>   dd: /dev/ad6: Input/output error
>   1261767+0 records in
>   1261767+0 records out
>   2584098816 bytes transferred in 795.559900 secs (3248151 bytes/sec)
>   pg root:root#
> 
> ===and (from the console and /var/log/messages)
>   Aug  1 21:58:09 moleend /kernel: ad6: hard error reading fsbn 419694136 of
> 20984
>   7068-209847071 (ad6 bn 419694136; cn 26124 tn 191 sn 43) status=59 error=40
> 
> ===On the assumption that the problem was in the controller, I purchased a
> Promise Ultra 133 TX2; the result was the same.
> 
> ===I'm on 4.8, and I'd prefer to have these disks working BEFORE any upgrade.
> If the upgrade must be to 5.X, then I really^3 want to have these disks
> working first.  (They're not my primary drives; I use them for rotating
> backup and large projects.  My primary drives are nice, well-behaved,
> >expensive< SCSI drives.)

Try 4.11 if you don't want to make the leap to 5.x - it's unlikely
that anyone will be able to help you if the problem is in 4.8 itself.
4.11 can definitely access >127GB.

Kris
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