kern/43503: Can't create device nodes on LFS

[martin%NetBSD.org@localhost]

>Number:         43503
>Category:       kern
>Synopsis:       Can't create device nodes on LFS
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Jun 24 19:35:00 +0000 2010
>Originator:     Martin Husemann
>Release:        current as of today (5.99.31)
>Organization:
The NetBSD Foundation, Inc.
>Environment:
NetBSD  5.99.31 NetBSD 5.99.31 (GENERIC) #0: Thu Jun 24 17:02:20 CEST 2010  
martin%night-porter.duskware.de@localhost:/usr/obj/sparc64/sys/arch/sparc64/compile/GENERIC
 sparc64
>Description:
While trying to test sysinst installing with LFS as / I noticed that MAKEDEV 
blocks.
Later tests showed any mknod will deadlock.
>How-To-Repeat:
cd /tmp  # assuming /tmp is on a LFS
mknod console c 0 0
>Fix:
n/a