linux-kernel - Re: v2.6.19-rt1, yum/rpm

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Message-Id: <200612050748.50553.fzu@wemgehoertderstaat.de>
Date:	Tue, 5 Dec 2006 07:48:50 +0100
From:	Karsten Wiese <fzu@...gehoertderstaat.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: v2.6.19-rt1, yum/rpm

Am Dienstag, 5. Dezember 2006 01:19 schrieb Karsten Wiese:
> Am Donnerstag, 30. November 2006 09:33 schrieb Ingo Molnar:
> > i have released the 2.6.19-rt1 tree, which can be downloaded from the
> 
> Hi Ingo,
> 
> here comes a freerunning trace explaining the weirdness I see here.
> I tried max_latency tracing first, didn't see anything usefull,
> went on with tracing freerunning with a user_trace_stop() at the spot,
> where snd-usb-usx2y diagnoses hickup.

Seams to hickup when irq happens while uhci_hcd is busy doing some
kind of timer triggered housekeeping.
Will look into uhci code deeper ;-)

      Karsten
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