Re: kern/38502: ifconfig wi0 hangs

[Martin Husemann <martin%duskware.de@localhost>]

The following reply was made to PR kern/38502; it has been noted by GNATS.

From: Martin Husemann <martin%duskware.de@localhost>
To: Andrew Doran <ad%netbsd.org@localhost>
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
        netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/38502: ifconfig wi0 hangs
Date: Fri, 25 Apr 2008 00:12:02 +0200

 On Thu, Apr 24, 2008 at 09:35:02PM +0000, Andrew Doran wrote:
 >  LOCKDEBUG is also likely to be of use here, instead of a simple deadlock it 
 > could be
 >  leaking a lock somewhere.
 
 LOCKDEBUG didn't turn up anything, but I missed the obvious: it sleeps 
 in src/sys/dev/sbus/stp4020.c line 1185:
 
        tsleep(sc, 0, "nelldel", ticks);
 
 with ticks==40 and never awakes.
 
 
 Martin