[Buildroot] Udev on a live CD system does not appear to populate /dev

Stefan Fröberg stefan.froberg at petroprogram.com
Tue Nov 13 18:07:29 UTC 2012


13.11.2012 8:53, Arnout Vandecappelle kirjoitti:
> On 08/11/12 17:29, Stefan Fröberg wrote:
>> If you ever want to use the maximum compression method supported by
>> modern kernels (XZ compression)
>> then change that initramfs generation command to this:
>>
>> find .  -not \( -path "./boot" -prune \) -print0 | cpio --null -ov
>> --format=newc
>>   | xz --check=crc32>  /livecd/initramfs.xz
>>
>> Without that --check=crc32 parameter you won't be able to boot
>> XZ-compressed initramfs.
>
>  It would be good to have this in buildroot.  Care to add a config option
> BR2_TARGET_ROOTFS_CPIO_XZ?  Using host-xz, of course, since not all
> systems
> have xz installed.
>

Sure, no problem.

So far I have only done initramfs my own manual way but I will take this
weekend a look how buildroot does its
own initramfs.

Regards
Stefan

>
>  Regards,
>  Arnout



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