Re: Kernel boot problem on IXP422 Rev. A

[Craig Hollabaugh <craig@hollabaugh.com>]

Glenn,
I totally agree with your certification statement statement as a legit
reason to not upgrade. I once worked for a aircraft lighting supplier,
their FAA certification testing process took about 4 years. Going
through the cert process makes one more resistant to change.
Craig




On Thu, 2008-06-12 at 17:28 -0400, Glenn Henshaw wrote:
> On 12-Jun-08, at 4:04 PM, Mike Frysinger wrote:
> 
> > On Thu, Jun 12, 2008 at 3:35 PM, Marcus Tangermann wrote:
> >> we currently try to boot a 2.6.21 kernel
> >
> > time to upgrade
> 
>    Wrong answer!!!
> 
>    Many embedded devices can't upgrade kernels easily because of  
> customer requirements and certifications. For example, I have worked  
> on Linux based applications in the financial industry. A kernel  
> upgrade here is viewed as equivalent to switching from Windows XP to  
> Vista, and requires significant effort in certification testing from  
> the customer's perspective. This doesn't make economic sense for  
> either party.
> 
>    Often developers not working in the embedded space don't understand  
> this reality.
> 
>    Helpful responses on what does/does not work would be more  
> appreciated.
> 
>     ... Glenn
> 
> >
> >
> >> on a custom IXP422 based board.
> >
> > you'll have better luck asking on the arm kernel mailing lists.  they
> > process this stuff every day.
> > -mike
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-- 
Dr. Craig Hollabaugh, craig@hollabaugh.com, 970 240 0509
Author of Embedded Linux: Hardware, Software and Interfacing
www.embeddedlinuxinterfacing.com