Swapped CD-rom drive won't read data.

[Bob Nielsen]

On Tue, Nov 02, 2004 at 03:17:03PM +0000, Neil Woolford wrote:
> At 02:08 02/11/04, you wrote:
> 
> >On Mon, Nov 01, 2004 at 04:49:52PM +0000, Neil Woolford wrote:
> >
> >> I notice in dmesg there are two errors relating to hdc;
> >>
> >> hdc:  set_drive_speed_status:  status=0x51  (DriveReady SeekComplete 
> >Error)
> >> hdc:  set_drive_speed_status:  error=0xb4
> >>
> >> later I see;
> >>
> >> hdc:  ATAPI 48X CDROM drive, 128Kb cache, DMA
> >
> >https://bugzilla.ubuntu.com/show_bug.cgi?id=2773
> >
> >
> >--
> > - mdz
> 
> 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?
> 
> Neil
> 

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.