[yocto] RaspberryPi Kernel - sometimes it works, sometimes it doesn't

[Chris Tapp]

On 11 Jun 2012, at 08:29, Tomas Frydrych wrote:

> Hi,
> 
> On 10/06/12 12:30, Chris Tapp wrote:
>> I've been building the 3.1.9 Raspberry Pi kernel under Denzil using
>> the meta layer at https://github.com/djwillis/meta-raspberrypi. This
>> uses a kernel recipe based on the git repository at
>> https://github.com/raspberrypi/linux/commits/rpi-patches.
>> 
>> Some of the kernel commit IDs (e.g.
>> 94fbbc4e3988075abad0d3b32842b82c590324fc) seem to build ok, but they
>> don't always run. As in, if I -c clean and build then sometimes I end
>> up with a bootable image, sometimes I don't. I'm not changing
>> anything else in the build environment.
>> 
>> Any ideas what can cause this?
> 
> I find that -c clean does not work very well, afterward the package gets
> recompiled but instead of the actual package packages being rebuilt, an
> earlier version of the packages gets pulled out of sstate into the
> image. I definitely saw this behaviour with Yocto kernels, but I think
> happens with other packages as well; I always do -c cleansstate now to
> avoid this.


Yes, I've seen that in the past as well. I should probably have mentioned that I've also tried cleanstate and/or deleting any residual sstate-cache/sstate- files for linux-raspberrypi, etc.

Chris Tapp

opensource at keylevel.com
www.keylevel.com