Swapped CD-rom drive won't read data.

Matt Zimmerman mdz at canonical.com
Tue Nov 2 17:57:27 UTC 2004


On Tue, Nov 02, 2004 at 09:44:33AM -0800, Bob Nielsen wrote:

> On Tue, Nov 02, 2004 at 03:17:03PM +0000, Neil Woolford wrote:
> > Yes, the fix suggested there, setting 'using_dma' to 0 in 
> > /proc/ide/hdc/settings works fine. Thanks.
> > 
> > But I'm afraid I don't know how to make this 'sticky', so the fix needs to 
> > be done every time I start
> > the computer.  Where can I set the configuration of this value so that it 
> > is automatic?
> 
> There may be other ways, but I usually put commands like that into 
> /etc/init.d/local and run 'update-rc.d local defaults' to create the 
> symlinks.

The proper fix will be to upgrade to the next revision of the kernel, which
will disable DMA on CD-ROMs by default.

-- 
 - mdz




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