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

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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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