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Date: Wed, 31 Mar 2004 00:02:15 +1000
From: Tim Robbins <tjr@freebsd.org>
To: "R. David Murray" <rdmurray@bitdance.com>
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cc: freebsd-current@freebsd.org
Subject: Re: 5.2.1 hangs on boot where 5.1 does not (ATA issue)
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On Mon, Mar 29, 2004 at 06:24:25PM -0500, R. David Murray wrote:

> ad2: 38166MB <ST34081A> [77545/16/63] at ata0-master UDMA100
> acd0:DVDROM <DVDROM 12x> at ata1-slave PIO4
> ad2: TIMEOUT - READ_DMA retrying (2 retries left) LBA=0
> ata1: reiniting channel ..
> ata1: reset tp1 mask=03 ostat0=58 ostat1=50
> ad2: stat=0x50 err=0x01 lsb=0x00 msb=0x00
> acd0:  stat=0x00 err=0x00 lsb=0x14 msb=0xeb
> ata1: reset tp2 mask=03 stat0=50 stat1=00 devices=0x9 <ATAPI_SLAVE,ATA_MASTER>
> ata1: resetting done
> acd0: pio=0x0c wdma=0x22 udma=0x42 cable=40pin
> ad2: pio=0x0c wdma=0x22 udma=0x45 cable=40pin
> ad2: setting PIO4 on Intel ICH2 chip
> ad2: setting UDMA100 on Intel ICH2 chip
> acd0: setting IPO4 on Intel ICH2 chip
> ad2: setting UDMA100 on Intel ICH2 chip
> acd0: setting IPO4 on Intel ICH2 chip
> ata1: device config done
> ad2: WARNING - READ_DMA interrupt was seen but timeout fired LBA=0
> ad2: WARNING - READ_DMA interrupt was seen but taskqueue stalled LBA=0

Check your cables and jumpers. I've only ever seen this error when they
were incorrect.


Tim