Re: [gentoo-user] dma_intr: status=0x51

[Matthias Langer <mlangc@gmx.at>]

Matthias Langer wrote:

> Hemmann, Volker Armin wrote:
>
>> On Saturday 08 October 2005 04:15, Matthias Langer wrote:
>>  
>>
>>> I just bought myself a new harddrive. While everything seems to work
>>> fine so far, I recognized these messages from dmesg:
>>>
>>> hdd: dma_intr: status=0x51 { DriveReady SeekComplete Error }
>>> hdd: dma_intr: error=0x84 { DriveStatusError BadCRC }
>>>
>>> I'm using vanilla-sources-2.6.12.5.
>>>
>>> Here are some other parts from dmesg, which are included to describe 
>>> the
>>> relevant hardware in detail:
>>>
>>> SiI680: IDE controller at PCI slot 0000:00:09.0
>>> ....
>>> SiI680: chipset revision 1
>>> SiI680: BASE CLOCK == 133
>>> SiI680: 100% native mode on irq 10
>>>    ide0: MMIO-DMA , BIOS settings: hda:pio, hdb:pio
>>>    ide1: MMIO-DMA , BIOS settings: hdc:pio, hdd:pio
>>> ...
>>> Probing IDE interface ide1...
>>> hdc: _NEC DVD_RW ND-3540A, ATAPI CD/DVD-ROM drive
>>> hdd: Maxtor 6L250R0, ATA DISK drive
>>> hdd: max request size: 64KiB
>>> hdd: 490234752 sectors (251000 MB) w/16384KiB Cache, CHS=30515/255/63,
>>> UDMA(133)
>>> hdd: cache flushes supported
>>>
>>> Finally, this is what i get from hdparm -i /dev/hdd:
>>>
>>> Model=Maxtor 6L250R0, FwRev=BAH41G10, SerialNo=L59CY5SH
>>> Config={ Fixed }
>>> RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
>>> BuffType=DualPortCache, BuffSize=16384kB, MaxMultSect=16, MultSect=16
>>> CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
>>> IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
>>> PIO modes:  pio0 pio1 pio2 pio3 pio4
>>> DMA modes:  mdma0 mdma1 mdma2
>>> UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 udma6
>>> AdvancedPM=yes: disabled (255) WriteCache=enabled
>>> Drive conforms to: (null):
>>>
>>> Maybe someone can give me a hint what might be wrong with my 
>>> configuration.
>>>   
>>
>>
>> first off all, you should never mix ata and atapi devices (harddisks 
>> and opticals) on one channel. That is known for making problems.
>>
>> Your error message could be have two origins: your cable is defective 
>> or not properly seated (easy to check), or your harddisk is on its 
>> way to the great vendor in the sky.
>> Get a different cable. Connect the drive with this new cable. ONLY 
>> connect the drive, not the burner. Does the error still occurs? Bring 
>> back the harddisk, where you bought it.
>>  
>>
> Well, I tried to connect the drive to another cable with success. 
> However, with this cable, which seemed to be an older one, the drive 
> was restricted to UDMA(33).
>
> My theory about these messages now is the following:
> The HD I'm talking about is not directly connected to the ide-cable, 
> but via a rather old 'HD-Box'. Thus I have:
>
> Controller->Modern IDE-Cable->HD-Box->Old IDE-Cable->HD.
>
> I think that the 'Old IDE-Cable' part is causing the troubles. However 
> I can't verify that without rearranging a bulk of ide-drives.
> I'll buy myself a new box and tell you about the results.

Well, it was as I expected. After switching to an UDMA(133) compatible 
mobile rack the  error messages are gone.

>
> Thanks for your hints, Matthias


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