gnome-cd plays intermitent sounds

[Carlos Escutia Chávez]

On Thu, 04 Nov 2004 22:20:00 +0100, Petri Pennanen <suvarin at home.se> wrote:
> On Thu, 2004-11-04 at 11:22 -0600, Carlos Escutia Chávez wrote:
> 
> 
> > Hi
> >
> > I've just reinstalled ubuntu hoping to solve a problem with gnome-cd,
> > with no success: when I try to play a disc, it plays, but with sound
> > skips every second ( ! ). I first suspected a malfunctioning cdrom
> > unit, but it plays well in XP. Then I thought I had screwed my
> > installation by installing some non-ubuntu packages, so I did the
> > reinstall. No luck :(. I even tried stopping the famd daemon, just in
> > case it was monitoring the disc every second (the hd monitoring led
> > keeps blinking).
> 
> This problem only occurs with audio CD:s? No problems playing sound
> files from the hard drive?
> 
> > Strangely, it had happened before, when I had Debian + xfce. I have
> > had Red Hat 9, Fedora 2 & Gentoo installed before in this laptop,
> > without any (gnome-cd) problem.
> >
> > Hope someone points me in the right direction
> 
> Not sure it is the right direction, but I'm thinking it might be a DMA
> issue. Check this by running
> 
>         hdparm /dev/hdc
> 
> If "using dma = 0 (off)" you can try setting it on:
> 
>         sudo hdparm -d1 /dev/hdc
> 
> Does it work now?
> 
> If not the root to your problem might be an IRQ conflict. I don't know
> how to debug that, but others will.
> 
> - Petri
> 
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> ubuntu-users at lists.ubuntu.com
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> 

Yes, it only happens with audio CDs, and  (forgot to mention before)
with gnome-cd: It plays well with grip, but I dont like grip (crashes
a lot) . Mp3 and radio streams from rhythmbox work well also.

dma in /dev/hdc was off, but after turning it on, sound is still bad,
skipping every second.

----------------------------------------------------------------------------------------
carlos at portatil ~ $ hdparm /dev/hdb

/dev/hdb:
 HDIO_GET_MULTCOUNT failed: Invalid argument
 IO_support   =  0 (default 16-bit)
 unmaskirq    =  0 (off)
 using_dma    =  0 (off)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    = 256 (on)
 HDIO_GETGEO failed: Invalid argument

carlos at portatil ~ $ sudo hdparm -d1 /dev/hdb
Password:

/dev/hdb:
 setting using_dma to 1 (on)
 using_dma    =  1 (on)
carlos at portatil ~ $ hdparm /dev/hdb

/dev/hdb:
 HDIO_GET_MULTCOUNT failed: Invalid argument
 IO_support   =  0 (default 16-bit)
 unmaskirq    =  0 (off)
 using_dma    =  1 (on)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    = 256 (on)
 HDIO_GETGEO failed: Invalid argument
----------------------------------------------------------------------------------------


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