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[Bug 216788] Re: Holding down volume hotkeys causes CPU lag and enqueued volume events

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Christian Funder Sommerlund <zero3@xxxxxxxx>
Date: Fri, 14 Aug 2009 19:46:12 -0000
Reply-to: Bug 216788 <216788@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

I am able to reproduce this bug on a brand new HP DV5-1214eo with Ubuntu
9.04.

This model has a "touch-drag" volume control of the kind where you touch
in one end and "drag" the volume up or down the panel.

I am able to reproduce the following:

1) A delay on ~250 ms between touchdragging and the OSD result.
2) Touchdragging up and down repeatedly causes 100% CPU usage on one of the laptop's 2 CPU cores.
3) While not as bad as on the other laptop (maybe because this one is much more powerful), the enqueued event problem is still present.

I am attaching output of "lspci -vvnn". If you need any more info,
please feel free to ask.

** Attachment added: "lspci_vvnn"
   http://launchpadlibrarian.net/30334244/lspci_vvnn

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Holding down volume hotkeys causes CPU lag and enqueued volume events
https://bugs.launchpad.net/bugs/216788
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