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Konstantinos Aravanis  
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 More options Aug 28 2012, 8:06 am
From: Konstantinos Aravanis <kos.a...@gmail.com>
Date: Tue, 28 Aug 2012 15:06:18 +0300
Local: Tues, Aug 28 2012 8:06 am
Subject: Problem with kernel panic

Hello,

I have ordered some new biffers but I have the following problem when I am
flashing them with an image that it is running on several older biffers.

BIFFBOOT v3.3 00B3F6060071 32-bit Loader by bifferos (c) 2010

The file /etc/preinit is included on the image and it is executable too.

Do you have any idea which could be the problem?

Thanks in advance,
Kostas

--
Konstantinos Aravanis // sbosx
My site & blog: http://AravanisKostas.com
http://python.org.gr - Ελληνική Κοινότητα Προγραμματιστών Python


 
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Andrew Scheller  
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 More options Aug 28 2012, 6:32 pm
From: Andrew Scheller <ya...@loowis.durge.org>
Date: Tue, 28 Aug 2012 23:32:20 +0100
Local: Tues, Aug 28 2012 6:32 pm
Subject: Re: [bifferboard] Problem with kernel panic

> I have ordered some new biffers but I have the following problem when I am
> flashing them with an image that it is running on several older biffers.
[snip]
> The file /etc/preinit is included on the image and it is executable too.

> Do you have any idea which could be the problem?

I've not looked at the kernel log in much detail, but I wonder if this
could be the classic case of the kernel cmndline (or other boot
parameters) being set wrong?
Different versions of biffboot use different kernel cmndlines...
https://sites.google.com/site/bifferboard/Home/bootloader/changelog

Andrew


 
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Konstantinos Aravanis  
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 More options Aug 29 2012, 5:48 am
From: Konstantinos Aravanis <kos.a...@gmail.com>
Date: Wed, 29 Aug 2012 12:48:44 +0300
Local: Wed, Aug 29 2012 5:48 am
Subject: Re: [bifferboard] Problem with kernel panic

Hi,

I used to write on cmndline

> console=uart,io,0x3f8 rootfstype=squashfs,jffs2

Now I have written:

> console=uart,io,0x3f8 init=/etc/preinit rootfstype=squashfs,jffs2

And as you can see, the log the kernel log says:

> Failed to execute /etc/preinit.  Attempting defaults...
> Kernel panic - not syncing: No init found.  Try passing init= option to
> kernel. See Linux Documentation/init.txt for guidance.
> Pid: 1, comm: swapper Not tainted 2.6.37.6 #3
> Call Trace:
>  [<c024fb30>] ? 0xc024fb30
>  [<c02ac5c0>] ? 0xc02ac5c0
>  [<c010108b>] ? 0xc010108b
>  [<c02ac6bd>] ? 0xc02ac6bd
>  [<c0102a66>] ? 0xc0102a66

The file /etc/preinit is included on the image and it is executable too.

Kostas

--
Konstantinos Aravanis // sbosx
My site & blog: http://AravanisKostas.com <http://aravaniskostas.com/>
http://python.org.gr - Ελληνική Κοινότητα Προγραμματιστών Python

On Wed, Aug 29, 2012 at 1:32 AM, Andrew Scheller <ya...@loowis.durge.org>wrote:


 
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Andrew Scheller  
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 More options Aug 29 2012, 6:12 am
From: Andrew Scheller <ya...@loowis.durge.org>
Date: Wed, 29 Aug 2012 11:12:57 +0100
Local: Wed, Aug 29 2012 6:12 am
Subject: Re: [bifferboard] Problem with kernel panic
And you say the same flash image definitely works fine on earlier
bifferboards (i.e. bifferboards with an earlier version of BiffBoot)?
Might not be the cause of your problem, but ISTR this same error
message appearing when one of the programs that preinit tried to
execute wasn't marked as executable.
What happens when you change the cmndline to init=/bin/sh ?
I guess the other thing to check is your kernelmax setting - if it's
'wrong' for your flash image Biffboot will pass the wrong MTD map to
the kernel, and the kernel will be unable to mount the rootfs.

Lurch

On 29 August 2012 10:48, Konstantinos Aravanis <kos.a...@gmail.com> wrote:


 
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Konstantinos Aravanis  
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 More options Aug 29 2012, 7:14 am
From: Konstantinos Aravanis <kos.a...@gmail.com>
Date: Wed, 29 Aug 2012 14:14:17 +0300
Local: Wed, Aug 29 2012 7:14 am
Subject: Re: [bifferboard] Problem with kernel panic

Thank you Andrew...

Everything was the same except from the kernelmax.

On the old biffers was 0x0010 and on the new one was 0x0020

:-)

Kostas

On Wed, Aug 29, 2012 at 1:12 PM, Andrew Scheller <ya...@loowis.durge.org>wrote:

--
Konstantinos Aravanis // sbosx
My site & blog: http://AravanisKostas.com
http://python.org.gr - Ελληνική Κοινότητα Προγραμματιστών Python

 
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