Date: Wed, 5 Aug 2009 12:43:11 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: Ed Schouten <ed@80386.nl> Cc: Lucius Windschuh <lwindschuh@googlemail.com>, FreeBSD Current <current@freebsd.org> Subject: Re: uaudio attach panic: Giant not locked Message-ID: <alpine.BSF.2.00.0908051242220.5142@fledge.watson.org> In-Reply-To: <20090805111247.GA1292@hoeg.nl> References: <90a5caac0908050258w1ea85736sac0b66ae5998e7de@mail.gmail.com> <20090805111247.GA1292@hoeg.nl>
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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. Robert N M Watson Computer Laboratory University of Cambridge
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