re: kern/49491: umidi record locking problem

[matthew green <mrg%eterna.com.au@localhost>]

The following reply was made to PR kern/49491; it has been noted by GNATS.

From: matthew green <mrg%eterna.com.au@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
    netbsd-bugs%netbsd.org@localhost
Subject: re: kern/49491: umidi record locking problem
Date: Sun, 21 Dec 2014 19:22:46 +1100

 ah, the problem here is that the umidi lock, which is taken by
 midiopen(), is a spin lock, but the usb lock attempted to be
 taken later is an sleeping lock, and that's not allowed.
 
 i have not yet looked at if we can change umidi's lock.
 
 
 .mrg.