deltarpms and newer kernels

Jonathan Dieter jdieter at gmail.com
Sun Jan 24 07:45:47 UTC 2010


On Sat, 2010-01-23 at 13:55 -0800, Antonio Olivares wrote:
> Dear fellow Fedora users,
> 
> Deltarpms does help a little bit with many packages, but the kernel is
> not one of them :(
> 
> kernel-devel, kernel-headers, kernel-firmware, etc do work though, how
> come kernel package is not the same?

Basically, the kernel now has a 20MB initramfs included that is full of
0's.  When you install the kernel, it automatically generates an
initramfs to replace this "dummy" one.  The reason the dummy one is in
there is so that rpm can accurately calculate how much space it needs in
boot.

Deltarpm sees that the initramfs has changed and can't do a delta
because it thinks the initramfs should be 0's.

Jonathan
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