Weird: xmms interrupted for 1/2 sec when switching off DFP monitor

Alex Deucher alexdeucher at
Wed Oct 13 06:33:56 PDT 2004

On Wed, 13 Oct 2004 14:23:03 +0200, Felix Kühling <fxkuehl at> wrote:
> Hi,
> I just observed a very strange phenomenon. When I switch off my DFP
> monitor (because DPMS is currently broken in the Savage driver) music
> playing in xmms is interrupted for about half a second and then resumes.
> When I switch on the monitor again I can also see two small spikes in
> the CPU usage diagram, one when switching the monitor off and one when
> switching it back on (the latter doesn't interrupt the sound though).
> Does the Xserver somehow react to a signal from the monitor in a way
> that would cause a long latency in music playback?
> TIA for any illumination,

FYI, fixing DPMS on DFPs in next on my list.


>    Felix
> | Felix Kühling <fxkuehl at>            |
> | PGP Fingerprint: 6A3C 9566 5B30 DDED 73C3  B152 151C 5CC1 D888 E595 |

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