Date: Wed, 5 Aug 2009 16:03:33 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-current@freebsd.org Cc: Ed Schouten <ed@80386.nl>, Robert Watson <rwatson@freebsd.org>, FreeBSD Current <current@freebsd.org>, Lucius Windschuh <lwindschuh@googlemail.com> Subject: Re: uaudio attach panic: Giant not locked Message-ID: <200908051603.35169.hselasky@c2i.net> In-Reply-To: <alpine.BSF.2.00.0908051242220.5142@fledge.watson.org> References: <90a5caac0908050258w1ea85736sac0b66ae5998e7de@mail.gmail.com> <20090805111247.GA1292@hoeg.nl> <alpine.BSF.2.00.0908051242220.5142@fledge.watson.org>
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On Wednesday 05 August 2009 13:43:11 Robert Watson wrote: > On Wed, 5 Aug 2009, Ed Schouten wrote: > > * Lucius Windschuh <lwindschuh@googlemail.com> wrote: > >> So I updated my machine to CURRENT r196062 and use a USB audio > >> converter. Attaching it to the machine leads to a kernel panic: > >> > >> <snip> > > > > I suspect this has something to do with the Newbus locking, which causes > > some pieces of code to run without Giant held, while they previously did. > > There's a patch in the re@ queue to re-add Giant around newbus attachment, > per John Baldwin's request. However, committing that patch is stalled > while issues with the svn->cvs export of the new RELENG_8 branch are > resolved. I expect to see the patch go into the tree RSN. > Try this patch: http://perforce.freebsd.org/chv.cgi?CH=167030 --HPS
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