The following reply was made to PR port-sun2/32420; it has been noted by GNATS.

From: Izumi Tsutsui <tsutsui@netbsd.org>
To: gnats-bugs@netbsd.org
Cc: 
Subject: PR/32420 CVS commit: src/sys/dev/ic
Date: Wed, 19 Apr 2006 17:44:07 +0000 (UTC)

 Module Name:	src
 Committed By:	tsutsui
 Date:		Wed Apr 19 17:44:07 UTC 2006
 
 Modified Files:
 	src/sys/dev/ic: z8530tty.c
 
 Log Message:
 - use M_NOWAIT rather than M_WAITOK for malloc(9) to allocate RX buffer
   in zstty_attach()
 - check a return value of the malloc(9)
 
 Taken from com.c, and somehow this seems to fix PR port-sun2/32420 on tme.
 
 
 To generate a diff of this commit:
 cvs rdiff -r1.105 -r1.106 src/sys/dev/ic/z8530tty.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.