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

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Date:	Mon, 03 Sep 2007 15:17:42 +0200
From:	John Sigler <linux.kernel@...e.fr>
To:	Sergei Shtylyov <sshtylyov@...mvista.com>
CC:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: hda: set_drive_speed_status: status=0x51 { DriveReady SeekComplete
 Error }

Sergei Shtylyov wrote:

> John Sigler wrote:
> 
>> When my system boots, I get several set_drive_speed_status errors.
>> (Please see attached dmesg output.)
> 
>> Can someone explain what they mean? How do I get rid of them?
> 
>    IDE code attempts to autotune PIO mode and fails at that because your 
> device is too old (or its manufacturer was too lazy) to support ATA-2 
> (or EIDE from marketing PoV) is its full glory.

But the data sheet seems to state the drive supports PIO modes 1 and 2?

>> Is there something I need to set in the config? or something I should 
>> not have set?
> 
>    No, it just means that the IDE code is *too young* to support such 
> pre-EIDE devices. :-D

Wow! This is a device that was purchased only a few months ago...

>> Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
>> ide: Assuming 33MHz system bus speed for PIO modes; override with 
>> idebus=xx
>> VP_IDE: IDE controller at PCI slot 0000:00:07.1
>> VP_IDE: chipset revision 6
>> VP_IDE: not 100% native mode: will probe irqs later
>> VP_IDE: VIA vt82c686b (rev 40) IDE UDMA100 controller on pci0000:00:07.1
>>     ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:pio, hdb:pio
>>     ide1: BM-DMA at 0xd008-0xd00f, BIOS settings: hdc:pio, hdd:pio
>> Probing IDE interface ide0...
>> hda: PQI IDE DiskOnModule, ATA DISK drive
>> hda: set_drive_speed_status: status=0x51 { DriveReady SeekComplete 
>> Error }
>> hda: set_drive_speed_status: error=0x04 { DriveStatusError }
>> hda: set_drive_speed_status: status=0x51 { DriveReady SeekComplete 
>> Error }
>> hda: set_drive_speed_status: error=0x04 { DriveStatusError }
> 
>   That means that you've managed to find pre-EIDE/ATA hardware which 
> doesn't support setting arbitrary PIO modes. What's funny is that 
> recently being discussed here, so expect a patch RSN. :-)

In 2.6.23?

Regards.
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