The following reply was made to PR kern/28683; it has been noted by GNATS.

From: john heasley <heas@shrubbery.net>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: kern/28683: NULL deref in ipw(4)
Date: Sat, 19 Feb 2005 17:58:03 +0000

 The last changes to the ipw driver has definitely improved the situation,
 but the chip has hung twice since with kernel messages like:
 
 Feb 18 16:14:26 netbsd /netbsd: ipw0: device timeout
 Feb 18 16:21:34 netbsd /netbsd: ipw0: device configuration failed
 
 reloading the firmware restored it.
 
 In this case, it had been operating for ~19 days (with a few firmware
 reloads due to waking the machine from sleep) and I was running pkg_info
 remotely.
 
 sorry, no clues on the source of the problem.