From owner-freebsd-usb@FreeBSD.ORG  Wed Feb  1 06:25:05 2006
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Date: Wed, 1 Feb 2006 17:24:45 +1100
From: Peter Jeremy <peterjeremy@optushome.com.au>
To: Juergen Lock <nox@jelal.kn-bremen.de>
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Cc: Ian Dowse <iedowse@iedowse.com>, Mark Tinguely <tinguely@casselton.net>,
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Subject: Re: cvs commit: src/sys/dev/usb ehci.c ehci_pci.c ehcivar.h
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On Tue, 2006-Jan-31 20:42:44 +0100, Juergen Lock wrote:
>Ah, seems the actual problem is that it is sleeping although
>bus_dmamem_alloc is called with BUS_DMA_NOWAIT, and there even is
>a pr for that:
>	http://www.freebsd.org/cgi/query-pr.cgi?pr=78179
>The pr is still open so i guess there is no fix yet?

Maybe.  Mark Tinguely has been working on a fix and I've been helping
with the testing.  Mark has a completed patch that is available at
http://www.casselton.net/~tinguely/vmcontig/ but I haven't had time
to test it myself yet.

-- 
Peter Jeremy