Date: Wed, 17 Apr 2013 18:13:48 +0000 From: Andrew Duane <aduane@juniper.net> To: Adrian Chadd <adrian@freebsd.org>, "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org> Subject: RE: -HEAD on gxemul/MALTA is broken Message-ID: <477C1270D3E5484DA2303CEBE274C9E1250ED2D7@CH1PRD0510MB392.namprd05.prod.outlook.com> In-Reply-To: <CAJ-VmomkomN_oGSfed5J9Tzf=4SRWrUOmU7rs7SgS24aYfTf%2BQ@mail.gmail.com> References: <CAJ-VmonpK2AazaLwc1ZQWve0bTFvtLGeF4K8jWM49rzp1j%2Bk%2BQ@mail.gmail.com> <CAJ-VmomiRo0ZpTd2=qeF9M=nBGmhd3jvqUy-4FtUxx4ok2yRew@mail.gmail.com> <CAJ-VmomkomN_oGSfed5J9Tzf=4SRWrUOmU7rs7SgS24aYfTf%2BQ@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
I tripped across this doing some early Octeon work. IIRC, it has to do with the static kenv (kern_envp) not being initialized properly. I had to work around it somehow, but I'm afraid I forgot how :(
....................................
Andrew L. Duane
Resident Architect - AT&T Technical Lead
m +1 603.770.7088
o +1 408.933.6944 (2-6944)
skype: andrewlduane
aduane@juniper.net
-----Original Message-----
From: owner-freebsd-mips@freebsd.org [mailto:owner-freebsd-mips@freebsd.org] On Behalf Of Adrian Chadd
Sent: Wednesday, April 17, 2013 2:03 PM
To: freebsd-mips@freebsd.org
Subject: Re: -HEAD on gxemul/MALTA is broken
On 17 April 2013 10:49, Adrian Chadd <adrian@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(
_______________________________________________
freebsd-mips@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-mips
To unsubscribe, send any mail to "freebsd-mips-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?477C1270D3E5484DA2303CEBE274C9E1250ED2D7>