[maemo-developers] [maemo-developers] Kernel issues on Nokia 770

From: Andrey Khurri andrey.khurri at hiit.fi
Date: Mon May 15 11:20:48 EEST 2006
Thank you for your rapid answer!

Frantisek Dufka wrote:

>> 1)
>> Has anyone ever been making a kernel package for the Nokia 770 which 
>> can be installed there with Application Installer rather than 
>> deploying 'zImage' of new kernel onto the device?
> Probably not. It is not straightforward at all, maybe even imposible. 
> You would definitely need root privileges for messing with MTD (flash) 
> partitions.

That's pity. The reason for I'd like to have a possibilty to create such 
a package is that I'd like to provide end users with new kernel which is 
needed to support our applications for the Nokia 770. Kernel compilation 
procedure it's not straightforward itself so that would be nice to let 
those people use our kernel. But as it seems to be the only way is to 
make 'zImage' available for them.

>> 2)
>> Is it accomplishable at all to have a few kernel images on the Nokia 
>> at the same time and choose one using a boot loader as it usually 
>> happens with normal Linux mashines?
> I think it can be done but not easily. The bootloader canot choose 
> between multiple kernels and there is not space dedicated to multiple 
> kernels. One solution is kexec 
> http://www-128.ibm.com/developerworks/linux/library/l-kexec.html

Will investigate it.

> BTW, please do not cross post to multiple list, just pick one randomly 
> :-) It is hard to track mutliple replies going to multiple lists.

You're right! Won't do it anymore. Sorry as it was done just 
thoughtlessly :)

> Frantisek

Andrey Khurri, Researcher
Helsinki Institute for Information Technology (HIIT)
Tel: +358 50 384 1510
Fax: +358  9 694 9768
andrey.khurri at hiit.fi

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