cpio: File digest mismatch

[Jeffrey Johnson]

> On Aug 14, 2017, at 2:31 PM, Jan Palus <atler at pld-linux.org> wrote:
> 
> I've created a basic package for libguestfs fixed appliance (http://download.libguestfs.org/binaries/appliance/) however there seems to be an issue with how filesystem image is packaged by rpm. It's an ext2 fs file with size of 4G and only about ~256M used space:
> 
> $ file root
> root: Linux rev 1.0 ext2 filesystem data, UUID=99344094-4997-41f9-9e01-73452b284ab3 (large files)
> 
> $ ls -lh root
> -rw-r--r-- 1 jan users 4.0G 08-14 20:16 root
> 
> $ du -h root
> 275M	root
> 
> Now rpm installation fails with:
> 
> error: unpacking of archive failed on file /usr/lib64/guestfs/root;5991e7a3: cpio: File digest mismatch
> 
> Looking at cpio output:
> 
> $ rpm2cpio libguestfs-appliance-fixed-1.36.1-1.x86_64.rpm|cpio -idmv
> ./usr/lib64/guestfs/initrd
> ./usr/lib64/guestfs/kernel
> ./usr/lib64/guestfs/root
> cpio: warning: skipped 4026531840 bytes of junk
> ...
> 
> it seems like "free space" is just considered "junk". Not really sure if that's the issue but is there a way to tell rpm not to treat it as junk?
> 

THat’s a spin, not an rpm, error message.

Meanwhile there are limits to file size in cpio headers used by rpm payloads that you have likely crossed.

73 de Jeff
> 
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