port-sparc64: kernel trap 34:mem address not aligned

Subject: kernel trap 34:mem address not aligned
To: None <port-sparc64@netbsd.org>
From: None <sigsegv@rambler.ru>
List: port-sparc64
Date: 10/01/2004 10:18:26

Greetings, I'm getting frequent kernel traps, similar to:

trap type 0x34:pc=100aaac npc=100aab0 pstate=44580006<PRIV,IE>
kernel trap 34:mem address not aligned
Stopped in pid 9248.1 (sh) at netbsd:pseg_get+0x3c:ldxa [%o2+%g0] 20, %o2

This is running on Ultra10, UltraSparc 440IIi. Any ideas what could be 
causing it? Maybe gcc generating bad code?