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c.f. bug 424647
List Archive: gentoo-mips
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To: gentoo-mips@g.o
From: Kumba <kumba@g.o>
Subject: Re: Problems with mips-sources-2.6.20
Date: Sun, 10 Jun 2007 13:16:05 -0400
Mathias W. wrote:
> Stephen P. Becker schrieb:
>>> oldconfig) and it doesn't boot. I get the same message as in this
>>> thread: http://archives.gentoo.org/gentoo-mips/msg_00503.xml
>>>
>>> NESTED EXCEPTION #1 (vid 0) at EPC: ffffffff9fc6a0a4; first exception
>>> at PC: 0
>>>
>>> Several weeks before I tried 2.6.20.6 (which wasn't marked stable)
>>> and couldn't get this to boot either. The system is uptodate. Here is
>>> my toolchain: gcc-config -l
>>>  [1] mips64-unknown-linux-gnu-3.4.6 *
>>>  [2] mips64-unknown-linux-gnu-4.1.1
>>>  [3] mips-unknown-linux-gnu-3.4.6 *
>>>  [4] mips-unknown-linux-gnu-3.4.6-hardenednopiessp
>>>  [5] mips-unknown-linux-gnu-4.1.1
>>>
>>> Any new suggestions to solve this apparently known problem?
>>>
>> Have you tried to build your kernel with gcc-4.1.1 instead of 3.4.6?
> 
> Not yet, because this is the only system, where the kernel builds. On the other system(s) I still have problems like
> this:  http://archives.gentoo.org/gentoo-mips/msg_00571.xml
> I know that the bug http://bugs.gentoo.org/show_bug.cgi?id=171486 is fixed with the new binutils-config but I still
> don't get a vmlinux on this system because of the same error as in comment 7 of this bug
> (http://bugs.gentoo.org/show_bug.cgi?id=171486#c7). And this all happened after switching to gcc-4.1...
> 
> But I'll try to do it now and see if it will break.

Re-run binutils-config manually, as this will fix the ldscripts bug, and then 
source /etc/profile.  Binutils-config doesn't do this automatically, so it's 
caught a few people off guard.

Second, whenever you use an older config on a newer kernel, _always_ check the 
config to make sure it didn't flip something off.  Things changed dramatically 
from .17 to .20, and relying on oldconfig alone isn't recommended.  I usually 
run through menuconfig and just check the categories myself.

That all said, nested exceptions sometimes point at ARCS bugs.  You may have an 
out-of-date PROM.  Unfortunately, we're not sure which PROMs are out-of-date, 
and which ones aren't.


--Kumba

-- 
Gentoo/MIPS Team Lead

"Such is oft the course of deeds that move the wheels of the world: small hands 
do them because they must, while the eyes of the great are elsewhere."  --Elrond
-- 
gentoo-mips@g.o mailing list


Replies:
Re: Problems with mips-sources-2.6.20
-- Mathias W.
Re: Problems with mips-sources-2.6.20
-- Mathias W.
References:
Problems with mips-sources-2.6.20
-- Mathias W.
Re: Problems with mips-sources-2.6.20
-- Stephen P. Becker
Re: Problems with mips-sources-2.6.20
-- Mathias W.
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Updated Jun 17, 2009

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