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From: Roger Larsson <roger@norran.net>
Date: Mon, 13 Nov 2000 23:58:00 +0100
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To: Erik Mouw <J.A.K.Mouw@ITS.TUDelft.NL>
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Subject: Re: Linux 2.4 Status/TODO page (test11-pre3)
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On Sunday 12 November 2000 23:31, Erik Mouw wrote:
> On Sun, Nov 12, 2000 at 02:39:09PM -0500, tytso@mit.edu wrote:
> >      * USB: system hang with USB audio driver {CRITICAL} (David
> >        Woodhouse, Randy Dunlap, Narayan Desai) (Fixed with usb-uhci;
> >        uhci-alt is unknown -- randy dunlap)
>
> 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.


> BTW, I don't think this is a critical bug.
>
>
> Erik

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