uaudio attach panic: Giant not locked

[Lucius Windschuh]

2009/8/5 Hans Petter Selasky <hselasky at c2i.net>:
> On Wednesday 05 August 2009 16:13:31 Attilio Rao wrote:
>> 2009/8/5 Hans Petter Selasky <hselasky at c2i.net>:
>> > On Wednesday 05 August 2009 13:43:11 Robert Watson wrote:
>> >> On Wed, 5 Aug 2009, Ed Schouten wrote:
>> >> > * Lucius Windschuh <lwindschuh at 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
> http://perforce.freebsd.org/chv.cgi?CH=167032

I applied both diffs to the usb_do_request calls and my sound adaptor
is usable again. Thanks for the fast reply.

Lucius