RE: Why won't my HD do DMA I/O?

From: Bill Davidsen (davidsen@tmr.com)
Date: Mon Feb 11 2002 - 14:19:00 EST

Next message: John Hesterberg: "driver location for platform-specific drivers"
Previous message: Luigi Genoni: "Re: [reiserfs-dev] 2.5.4-pre1: zero-filled files reiserfs"
In reply to: Steve Snyder: "RE: Why won't my HD do DMA I/O?"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

On Mon, 11 Feb 2002, Steve Snyder wrote:

> I should have noted this in my original post but, yes, I have enabled DMA in
> the kernel:
>
> # grep DMA /usr/src/linux-2.4.17/.config | grep -v '#'
> CONFIG_BLK_DEV_IDEDMA_PCI=y
> CONFIG_BLK_DEV_ADMA=y
> CONFIG_IDEDMA_PCI_AUTO=y
> CONFIG_BLK_DEV_IDEDMA=y
> CONFIG_IDEDMA_AUTO=y
>
> Thanks for the response.

Since I'm guessing at things which are unlikely, and I believe you said
"only one drive" has this, did you check the cable type, seating, and
condition? Putting in new hardware is such fun, I've found many inobvious
ways to do it almost perfectly ;-)

-- bill davidsen <davidsen@tmr.com> CTO, TMR Associates, Inc Doing interesting things with little computers since 1979.

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

Next message: John Hesterberg: "driver location for platform-specific drivers"
Previous message: Luigi Genoni: "Re: [reiserfs-dev] 2.5.4-pre1: zero-filled files reiserfs"
In reply to: Steve Snyder: "RE: Why won't my HD do DMA I/O?"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Fri Feb 15 2002 - 21:00:41 EST