Re: DMA timeout error

[Adam Sherman <adam@sherman.ca>]

Bartlomiej Zolnierkiewicz wrote:
>>I have a VIA M6000 board with an ATA CompactFlash adaptor containing a
>>512MB SanDisk card.
>>
>>I get the following error during boot:
>>
>>hdb: dma_timer_expiry: dma status == 0x41
>>hdb: DMA timeout error
>>hdb: dma timeout error: status=0x58 { DriveReady SeekComplete DataRequest }
> 
> 
> If this is a new CF capable of DMA but CF-to-IDE adapter doesn't support
> DMA (most don't) then "ide=nodma" kernel command line parameter should
> do the job.  It might be also bug in via82cxxx host driver.
> 
> Maybe DMA should be off by default for CF but it requires fixing almost
> every IDE host driver and why punish good hardware.

This makes quite a bit of sense seeing as it's a SanDisk "Ultra II" card.

beber@setibzh.com writes:
> add pci=noapic to your boot option

Since the hardware is not reachable from here, I can not test it until 
Monday. I'll note my results though.

Thanks,

A.