uaudio attach panic: Giant not locked

John Baldwin jhb at freebsd.org
Thu Aug 6 12:38:25 UTC 2009


On Wednesday 05 August 2009 7:43:11 am 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.

Err, I think that was just around suspend/resume?

-- 
John Baldwin


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