kern/38923: ATAIOCCOMMAND ioctl does not work

[martin%duskware.de@localhost]

>Number:         38923
>Category:       kern
>Synopsis:       ATAIOCCOMMAND ioctl does not work
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jun 09 20:00:00 +0000 2008
>Originator:     Martin Husemann
>Release:        NetBSD 4.99.64
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD night-porter.duskware.de 4.99.64 NetBSD 4.99.64 (PORTER) #45: 
Mon Jun 9 17:20:17 CEST 2008 
martin%night-porter.duskware.de@localhost:/usr/src/sys/arch/i386/compile/PORTER 
i386
Architecture: i386
Machine: i386
>Description:

The ATAIOCCOMMAND ioctl never returns, the process hangs unkillable. This
was first noticed with pkgsrc smartmontools, but can easily reproduced
with in-tree tools

>How-To-Repeat:

atactl wd0 identify

>Fix:
n/a