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SubjectRe: !!Warning!! UDMA and Fujitsu HD

I think I can confirm this with a FUJITSU MPB3064ATU, that I installed
with this weekend.

hda: FUJITSU MPB3064ATU, 6187MB w/256kB Cache, CHS=788/255/63, UDMA

The motherboard is an ASUS TX motherboard (I dont have the specs in front
of me at the moment.) Tried the following kernels to "play" with it.

2.0.34-pre6 (Red Hat 5.1 installation)
2.0.35 (Red Hat 5.1 installation)

The following errors show up on "random" sectors of the drive during the
boot of the kernel if UDMA is turned on:

hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x84 { BadSector DriveStatusError }, LBAsect=329593,

hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x84 { BadSector DriveStatusError }, LBAsect=1505805,

Turning off UDMA via the motherboard cleared up the problem, and no
sectors show up "bad" when looked at with "norton" or similar disk
utilities.

I am guessing this may be one for a "black-list" of UDMA drives.


On Mon, 3 Aug 1998, Jaime E. Gomez wrote:

> Hi
>
> I am having problems with a hard disk Fujitsu MPB3064AT UDMA and the
> kernel 2.0.34 (Red Hat 5.1 and Slackwere 3.5).
>
> Under this kernel, fdisk does not work correctly, if you have already
> the partitions you can format it (mke2fs), but if you check it
> afterwards
> (e2fsck -f) it appears corrupted inmediately. If you try to copy
> something
> in there ... corrupted.
>
> It seems that the new support included for UDMA in 2.0.34 is not
> compatible with this Fujitsu. I installed this distributions using an
> older
> kernel (2.0.31) and they worked ok.
>
> This happens also with hdparm, if you try to make it full UDMA, it
> inmediately gets corrupted and you loose everything.
>
> In the list of RedHat 5.1 I could find two more with exactly the same
> problem, one with the same Hard Disk but the other with a different one.
>
> I hope this helps
>
> Cheers
>
> --
> +-----------------------------------+----------------------------------+
> | | _ |
> | Jaime Enrique Gomez H. | !!Quark >~ ) |
> | | \o /`~/ |
> | jgomez@uniandes.edu.co | \\--__-/ / |
> | http://www.uniandes.edu.co/~jgomez| \ / |
> | | ~~~~~~~~~~~~~~~~ |
> | Universidad de los Andes. | ~~~~ ~~~~~ ~~~ |
> | Mechanical Engineering Department | ~~~~ ~~~~~ ~~~~~ |
> | Santafe de Bogota Colombia | |
> | Tel: 57 (1) 2866205 ext. 2911 | |
> | Fax: 57 (1) 3364929 | |
> +-----------------------------------+----------------------------------+
>
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-------------------------------------------------------------------
SJS


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