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Message-ID: <564d96fb05031613156ed210c2@mail.gmail.com>
Date: Wed, 16 Mar 2005 18:15:58 -0300
From: =?ISO-8859-1?Q?Rafael_Esp=EDndola?= <rafael.espindola@gmail.com>
Reply-To: =?ISO-8859-1?Q?Rafael_Esp=EDndola?= <rafael.espindola@gmail.com>
To: Colin Leroy <colin@colino.net>
Subject: Re: `dd` problem from cdrom
Cc: linux-kernel@vger.kernel.org, debian-powerpc@lists.debian.org
In-Reply-To: <20050316153114.374e095b@jack.colino.net>
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On Wed, 16 Mar 2005 15:31:14 +0100, Colin Leroy <colin@colino.net> wrote:
> Hi,
> 
> Using 2.6.10 and 2.6.11, trying to use dd from the ide cdrom in my
> Ibook G4 fails like this:

> /dev/hdc:
>  HDIO_GET_MULTCOUNT failed: Invalid argument
>  IO_support   =  0 (default 16-bit)
>  unmaskirq    =  1 (on)
>  using_dma    =  1 (on)
>  keepsettings =  0 (off)
>  readonly     =  0 (off)
>  readahead    = 256 (on)
>  HDIO_GETGEO failed: Invalid argument
I have a cdrom drive that does not work with DMA. Maybe yours has the
same problem.
  
> I didn't try older kernels yet; Any idea about this? Is it a kernel bug
> or a configuration issue? 
> -- 
> Colin
Rafael