-HEAD on gxemul/MALTA is broken

[Adrian Chadd]

On 17 April 2013 10:49, Adrian Chadd <adrian at freebsd.org> wrote:

> gcc version 4.2.1 20070831 patched [FreeBSD]
> [ warning: LOW reference: vaddr=0x00000000, exception TLBL,
> pc=0x8020f024 <init_dynamic_kenv+0x3c> ]
> Trap cause = 2 (TLB miss (load or instr. fetch) - kernel mode)
> [ thread pid 0 tid 0 ]
> Stopped at      0x8020f024:     lb      v0,0(s2)
> db>

(kgdb) list *0x8020f024
0x8020f024 is in init_dynamic_kenv
(/usr/home/adrian/work/freebsd/svn/src/sys/kern/kern_environment.c:234).
229             int i;
230
231             kenvp = malloc((KENV_SIZE + 1) * sizeof(char *), M_KENV,
232                     M_WAITOK | M_ZERO);
233             i = 0;
234             if (*kern_envp != '\0') {
235                     for (cp = kern_envp; cp != NULL; cp =
kernenv_next(cp)) {
236                             len = strlen(cp) + 1;
237                             if (len > KENV_MNAMELEN + 1 +
KENV_MVALLEN + 1) {
238                                     printf(