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SubjectRe: hda: set_drive_speed_status: status=0x51 { DriveReady SeekComplete Error }
John Sigler wrote:

> Petr Vandrovec wrote:
>
>> John Sigler wrote:
>>
>>> Alan Cox wrote:
>>>
>>>> Basically your dinosaur is working correctly.
>>>
>>> What do the warnings mean? :-)
>>
>> That your drive does not support set transfer mode/speed command at
>> all, or that value which kernel tried is not supported by the drive...
>>
>> I would guess that some contractor wrote firmware for device for PQI
>> in one day for $100, and before that somebody else designed ATA-SD
>> bridge for PQI for another $100.
>>
>> I guess that these two printk()s happen because drive claims to
>> support pio0,1,2 - so Linux tries pio2, drive refuses, Linux tries
>> pio1, drive refuses, and finally as pio0 is default, that one gets
>> used. Which is more or less confirmed by having no '*' sign in front
>> of any pio - with "real" drives you should see '*' in front of one of
>> listed dma/pio modes.
>>
>> You should ask reseller how they can ship drive which does not conform
>> to any ATA standard...
>
> I took drivers/ide/pci/via82cxxx.c and sprinkled ENTER/EXIT printk's.
> http://lxr.linux.no/source/drivers/ide/pci/via82cxxx.c
>
> via82cxxx_tune_drive() and via82cxxx_ide_dma_check() both call
> via_set_drive() which calls ide_config_drive_speed().
>
> http://lxr.linux.no/source/drivers/ide/ide-iops.c#L769
>
> if (error)
> {
> (void) ide_dump_status(drive, "set_drive_speed_status", stat);
> printk(KERN_INFO "EXIT %s error\n", __func__);
> return error;
> }
>
> Does someone know why error is not set to 0?
>
>
> 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
> ENTER via82cxxx_tune_drive
> ENTER via_set_drive
> ENTER ide_config_drive_speed
> hda: set_drive_speed_status: status=0x51 { DriveReady SeekComplete Error }
> hda: set_drive_speed_status: error=0x04 { DriveStatusError }
> EXIT ide_config_drive_speed error
> ENTER via_set_speed
> EXIT via_set_speed
> EXIT via_set_drive
> EXIT via82cxxx_tune_drive pio == 255
> ENTER via82cxxx_ide_dma_check
> ENTER via_set_drive
> ENTER ide_config_drive_speed
> hda: set_drive_speed_status: status=0x51 { DriveReady SeekComplete Error }
> hda: set_drive_speed_status: error=0x04 { DriveStatusError }
> EXIT ide_config_drive_speed error
> ENTER via_set_speed
> EXIT via_set_speed
> EXIT via_set_drive
> EXIT via82cxxx_ide_dma_check
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> Probing IDE interface ide1...
> hda: max request size: 128KiB
> hda: 128000 sectors (65 MB) w/1KiB Cache, CHS=500/8/32
> hda: hda1 hda2

According to my supplier, herre is the data sheet for the DOMs:
http://www.pqimemory.com/documents/domdata.pdf

PIO mode 2 is mentioned. Even DMA seems to be supported.
Or am I mistaken?

Could there be a bug in my south bridge?

Regards.

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