Re: [2.3.99pre2] [CORRUPTION] Doh! Corruption problems again...

From: Andre Hedrick (andre@linux-ide.org)
Date: Tue Mar 21 2000 - 23:54:59 EST


On Tue, 21 Mar 2000, Simon Kirby wrote:

> On Tue, Mar 21, 2000 at 12:56:55PM -0800, Andre Hedrick wrote:
>
> > OH MY !!!!............
> >
> > You know that WDC blows of the UDMA CRC and you are pumping data at
> > ATA-3/4/5 trasfer rates with ATA-2 correction/dectection, which equals
> > NONE!!!!!!!!
>
> Hrmm... Well, I don't see any bit errors, just mismapped blocks of data.

BINGO!!!!!

Blowing off the CRC errors means incomplete data WRITES.

> 00:04.1 IDE interface: Intel Corporation 82371AB PIIX4 IDE (rev 01)
> [sroot@oof:/root]# lspci -bxxxs 00:04.1
> 00:04.1 IDE interface: Intel Corporation 82371AB PIIX4 IDE (rev 01)
> 40: 77 e3 07 a3 0b 00 00 00 07 00 22 02 00 00 00 00
                   4 pio 2 hdb UDMA 2
         4 pio & sitre 1 hda UDMA 2
               4 pio ! sitre 4 hdc UDMA 2

It did setup correctly but what does hdparm -i /dev/hda|b|c ?

Andre Hedrick
The Linux ATA/IDE guy

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