Re: Linux 2.4 Status/TODO page (test11-pre3)

From: Erik Mouw (J.A.K.Mouw@ITS.TUDelft.NL)
Date: Mon Nov 13 2000 - 18:19:20 EST


On Mon, Nov 13, 2000 at 11:58:00PM +0100, Roger Larsson wrote:
> On Sunday 12 November 2000 23:31, Erik Mouw wrote:
> > I can still hang the system with XMMS (1.0.1) using real-time priority.
> > The system doesn't die, but it is completely unresponsive. There is no
> > sound, but after the MP3 file is played, the system works again. I can
> > reproduce this behaviour with usb-uhci and uhci-alt on 2.4.0-test10.
> > I haven't test test11-pre3 yet, but the changes don't look too big that
> > the "bug" has been fixed.
>
> Does it use non blocking IO?
> In such case you might have created an infinite loop at high priority
> resulting in a busylock of all other processes.

Possible, I didn't look at the source. It would explain the behaviour,
but why isn't there any sound?

Erik

-- 
J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department
of Electrical Engineering, Faculty of Information Technology and Systems,
Delft University of Technology, PO BOX 5031,  2600 GA Delft, The Netherlands
Phone: +31-15-2783635  Fax: +31-15-2781843  Email: J.A.K.Mouw@its.tudelft.nl
WWW: http://www-ict.its.tudelft.nl/~erik/
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