Re: Crash during boot of current (rev 212885)

From: Randall Stewart <rrs_at_lakerest.net>
Date: Sun, 19 Sep 2010 22:33:26 -0700
Andrly:

Ok..

I can do that.

I can positively say that when I have a kernel with 212646.. all is  
well.

But a kernel with 212647 crashes as described below...

I will ship you the read-elf offlist


R

On Sep 19, 2010, at 9:40 PM, Andriy Gapon wrote:

> on 20/09/2010 06:38 Randall Stewart said the following:
>> Hi Lawrence:
>>
>> I am currently doing a binary search..
>>
>> I know that 212660 shows the break.
>>
>> I am just about to try 212560 ;-)
>>
>> If that works I will update to 212646 and see if it works.. ;-)
>
> Randall,
>
> please also make sure that you have sufficiently recent ld as  
> described in
> UPDATING from 20100915.
> I'd be interested to see output of readelf -a -W for your kernel  
> that crashes.
>
>
>> On Sep 19, 2010, at 7:31 PM, Lawrence Stewart wrote:
>>
>>> Hiya Randall!
>>>
>>> On 09/20/10 08:56, Randall Stewart wrote:
>>>> Hey all:
>>>>
>>>> I am now seeing a crash when I boot my Intel (in 64 bit more)...
>>>>
>>>> Its very early in the boot process.. and thus no crash dump ;-0
>>>>
>>>> Its in
>>>>
>>>> netisr_start_swi()
>>>>
>>>> When it initializes netisr_mtx with a mtx_init() it crashes saying
>>>> that netisr_mtx is unaligned... (the address ddb shows for  
>>>> netisr_mtx ends
>>>> with c ... so it definitely is unaligned...
>>>>
>>>> Looking at the netisr_workstream structure (where netisr_mtx is) it
>>>> appears to be in theory aligned right (follows 2 pointers)... so
>>>> did something change the DP_CPU Define stuff to cause us to get  
>>>> unaligned
>>>> access?
>>>>
>>>> Just curious... If I don't hear from anyone I will start backing  
>>>> things
>>>> out 1
>>>> rev at a time until I find what did it I guess ;-)
>>>
>>> My guess would be r212647. Try backing that rev out and if it fixes
>>> things, hopefully Andriy will have some thoughts on how to fix the
>>> problem. Apologies if my guess is a red herring.
>>>
>>> Cheers,
>>> Lawrence
>>>
>>
>> ------------------------------
>> Randall Stewart
>> 803-317-4952 (cell)
>>
>
>
> -- 
> Andriy Gapon
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------------------------------
Randall Stewart
803-317-4952 (cell)
Received on Mon Sep 20 2010 - 03:33:53 UTC

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