uaudio attach panic: Giant not locked
rwatson at FreeBSD.org
Wed Aug 5 11:43:13 UTC 2009
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:
> 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
University of Cambridge
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