linux-kernel - Re: hda: set_drive_speed_status: status=0x51 { DriveReady SeekComplete Error }

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Message-ID: <46D67D09.6090101@free.fr>
Date:	Thu, 30 Aug 2007 10:17:13 +0200
From:	John Sigler <linux.kernel@...e.fr>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: hda: set_drive_speed_status: status=0x51 { DriveReady SeekComplete
 Error }

Alan Cox wrote:

> John Sigler wrote:
>
>> Standards:
>>          Likely used: 1
> 
> Prehistory

The tragic bit is that we were sold similar DOMs in 2007...
(It's probably time to change suppliers?)

>>          LBA, IORDY not likely
> 
> No DMA, nothing above PIO2

OK. (Grumble)

>>          Buffer type: 0002: dual port, multi-sector
>>          Buffer size: 1.0kB      bytes avail on r/w long: 4
>>          Cannot perform double-word IO
> 
> Can't even do double word I/O

Double word is 32 bits, right? Isn't "Cannot perform double-word IO" in 
contradiction with the following statements?

  IO_support    =  1 (32-bit)

         Buffer size: 1.0kB      bytes avail on r/w long: 4

(Assuming an 8-bit byte, 4 bytes = 32 bits)

> The messages with old IDE should be harmless and the current libata IDE
> should drive it politely (I debugged a problem the same hardware showed
> up for someone else).

When you say "the current libata IDE" do you mean PATA_VIA (in my case)?
I've avoided this driver because it is marked EXPERIMENTAL. Would there 
be any benefit in using it over the legacy ATA/MFM/RLL driver?

> Basically your dinosaur is working correctly.

What do the warnings mean? :-)

Regards.
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