Re: [gentoo-user] new kernel, hdparm not happy

[Florian Philipp <lists@f_philipp.fastmail.net>]

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David Relson schrieb:
> Greetings!
> 
> I've recently updated from kernel 2.6.20 to 2.6.24 a little used
> machine.  The new kernel is working quite well.  However hdparm isn't
> happy.  
> 
> Running either "hdparm -d0 /dev/hda" or "hdparm -d1 /dev/hda" gives a
> "HDIO_SET_DMA failed: Operation not permitted" error.  Using the same
> config for 2.6.25 gives the same result as 2.6.24.
> 
> Here are the DMA related options that are enabled:
> 
> OLD (2.6.20):
> 
>     CONFIG_BLK_DEV_IDEDMA=y
>     CONFIG_BLK_DEV_IDEDMA_PCI=y
>     CONFIG_GENERIC_ISA_DMA=y
>     CONFIG_IDEDMA_AUTO=y
>     CONFIG_IDEDMA_PCI_AUTO=y
>     CONFIG_ISA_DMA_API=y
> 
> 
> NEW (2.6.24 and 2.6.25):
>     CONFIG_BLK_DEV_IDEDMA=y
>     CONFIG_BLK_DEV_IDEDMA_PCI=y
>     CONFIG_GENERIC_ISA_DMA=y
>     CONFIG_HAS_DMA=y
>     CONFIG_ISA_DMA_API=y
>     CONFIG_SCSI_DMA=y
>     CONFIG_ZONE_DMA=y
>     CONFIG_ZONE_DMA_FLAG=1
> 
> Can anybody tell me what I've missed?
> 
> Thanks.
> 
> David
> 

Are

CONFIG_ATA_GENERIC

and

CONFIG_IDE_GENERIC

enabled? If so, please try to deactivate them/compile them as modules
and don't load them.


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