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Date: Wed, 24 Apr 2013 18:27:48 +0100
From: Joe Holden <lists@rewt.org.uk>
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To: Warner Losh <imp@bsdimp.com>
Subject: Re: kern/177876: [mips] kernel stack overflow panic on mips64,
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Cc: Joe Holden <joe@rewt.org.uk>,
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Warner Losh wrote:
> On Apr 23, 2013, at 3:20 PM, Joe Holden wrote:
> 
>> Warner Losh wrote:
>>> I just committed r249790 which makes everything match.
>>> On Apr 22, 2013, at 2:29 PM, Juli Mallett wrote:
>>>> On Mon, Apr 22, 2013 at 1:27 PM, Warner Losh <imp@bsdimp.com> wrote:
>>>>> It sure looks like you are right...  I have a full new tree building just to make sure... :(
>>>>>
>>>>> Then again, it would be useful to document where these dependencies lie to help prevent others from tripping over this in the future :(
>>>> We should use genassym to generate trapframe offsets instead of having
>>>> hand-coded defines for these, perhaps?  I haven't thought it through
>>>> very fully, but that seems a lot better.
>>> I'll look into this...
>>> Warner
>> I rebuilt just the kernel but the same problem persists - started building world and I'm seeing:
>>
>> /usr/src/gnu/usr.bin/gdb/kgdb/trgt_mips.c:122: error: 'struct trapframe' has no member named 't4'
>>
>> and so on, have just commented them out for now so it completes, may just be left overs from previous build - may be getting confused :)
> 
> You can just rebuild the kernel (I'll fix the kgdb stuff, I didn't see that when I built the world for some reason).
> 
> Please try this patch to see if this fixes it.
> 
> Warner
So far so good, boots into multiuser - will give it a thrashing and see 
if I can make it break :)

Thanks!