[yocto] Fwd: build failure on ubuntu 64bits development system

[Jim Abernathy]

On 01/18/2012 04:34 PM, Darren Hart wrote:
>
> On 01/18/2012 09:05 AM, Jim Abernathy wrote:
>
>> FYI for those wanting to use Soft RAID, make sure you create one very
>> small primary partition for GRUB2 to put the second part of the
>> boot-loader in.  Can't use the old process.
> I strongly recommend using a separate DISK for your OS installation.
> Yocto builds are hard on disks, and RAID 0 increases your risk of
> failure in exchange for the added performance. I use a small SSD for my
> OS disk and a large RAID0 array of spinning disks for /build and another
> array for /virt (where my VM images live - easily recreated).
>
Learned a few things in this process. I appreciate all the help and advice.

 1. So we know that at least with Edison, btrfs does not work with bitbake.
 2. When I rebuilt the system, this time I put the Linux root directory
    on an 80GB SSD.  That is where I also have my clone of Linux-Yocto
    repository, poky, and download directory , DL_DIR.
 3. I have create /build with EXT4 format on a Software RAID 0 (striped)
    partition, using 2 separate hard drives,  to use as the working
    build directory for bitbake. I have a striped swap file on the same
    two drives.  But with 8GB or RAM, I shouldn't be using that much.

My build times for some of the basic meta-intel BSPs is around 103 minutes.

Jim A


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