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From: P@draigBrady.com
To: Paulo Marques <pmarques@grupopie.com>
Cc: Hamie <hamish@travellingkiwi.com>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>,
	Russell King <rmk+lkml@arm.linux.org.uk>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: ide-cs using 100% CPU
Date: Mon, 09 Aug 2004 13:32:03 +0100	[thread overview]
Message-ID: <41176EC3.70202@draigBrady.com> (raw)
In-Reply-To: <41174A95.3050705@grupopie.com>

Paulo Marques wrote:
> I've never seen a CF card that supported DMA (and I've worked with 
> several brands). Compact Flash cards have several modes of operation and 
> only one of this modes is "IDE-compatible".

The newer ones do. I've a SanDisk SDCFB-64-201-80 that
hangs on boot because it reports that it supports DMA
but the ide adapter I use does not connect the DMA request
and grant signals. A work around is to boot with ide=nodma
however this is system wide.

Pádraig.

  reply	other threads:[~2004-08-09 12:32 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-18  9:30 ide-cs using 100% CPU Hamie
2004-08-06 19:27 ` Russell King
2004-08-06 19:33   ` Hamie
2004-08-06 19:38     ` Russell King
2004-08-07 17:55       ` Hamie
2004-08-07 22:26     ` Alan Cox
2004-08-08  9:03       ` Hamie
2004-08-08 15:24         ` Alan Cox
2004-08-09  9:57         ` Paulo Marques
2004-08-09 12:32           ` P [this message]
2004-08-09 20:11       ` Bill Davidsen
     [not found] <fa.j0leddb.okcbor@ifi.uio.no>
     [not found] ` <fa.goasld9.1q1kb05@ifi.uio.no>
2004-08-07 19:21   ` Robert Hancock
2004-08-08 15:24     ` Hamie
     [not found] <fa.hhjr2f2.1ql2t80@ifi.uio.no>
     [not found] ` <fa.ggacpdl.26on0d@ifi.uio.no>
2004-08-08 19:32   ` Robert Hancock

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