Re: building custom kernel fails

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2018-04-19 09:32, jon@solid-run.com wrote:
> I am now building a custom debian package from our kernel sources, the
> kernel compile goes fine.  The deb-pkg is failing because the number of
> files passed to xarg is too long.
> 
> Error message is.
> 
> 2018-04-19 07:11:17 - INFO     - | Using default distribution of
> 'unstable' in the changelog
> 2018-04-19 07:11:17 - INFO     - | Install lsb-release or set
> $KDEB_CHANGELOG_DIST explicitly
> 2018-04-19 07:11:17 - INFO     - | /usr/bin/xargs: md5sum: Argument list
> too long
> 2018-04-19 07:11:17 - INFO     - | scripts/package/Makefile:90: recipe
> for target 'deb-pkg' failed
> 2018-04-19 07:11:17 - INFO     - | make[1]: *** [deb-pkg] Error 126
> 2018-04-19 07:11:17 - INFO     - | Makefile:1347: recipe for target
> 'deb-pkg' failed
> 2018-04-19 07:11:17 - INFO     - | make: *** [deb-pkg] Error 2
> 2018-04-19 07:11:17 - INFO     - | WARNING: exit code 2 from a shell
> command.
> 
> looks like on large kernel builds the file lists will need to be broken up.

Where exactly is this argument list passed? What exactly is your setup
(host, target distro, kernel version etc.)?

BTW, you can find a working custom kernel build here e.g.:
https://github.com/siemens/jailhouse-images/tree/master/recipes-kernel/linux
There is an ARM64 version of that as well, just waiting for cross-build
support to be available.

Jan

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