[yocto] Very strange issue where bitbake hangs at do_rootfs

[Khem Raj]

On Fri, May 26, 2017 at 5:52 AM, Andrei Gherzan <andrei at gherzan.ro> wrote:
> Hello all,
>
> I moved recently on a new arch linux host and everything works fine with one
> exception: when I build a custom distribution based on morty with many
> packages including kernel-modules (beaglebone), the build system hangs
> without any details. I hooked into package_manager.py RPM install and
> streamed output from `process = subprocess.Popen(cmd.split(),
> stderr=subprocess.STDOUT, stdout=subprocess.PIPE)` and it seems that it
> hangs in different places every time. Output example:
>
> ---
>
> Result of kernel-module-industrialio-sw-trigger postinst: 0
> debug: Processing
> kernel-module-lm8333-4.4.55+git0+903eb64c68-r22b at beaglebone in
> /work/resin/resinos/resin-beaglebone/build/tmp/work/beaglebone-poky-linux-gnueabi/resin-image/1.0-r0/rpms/beaglebone/kernel-module-lm8333-4.4.55+git0+903eb64c68-r22b.beaglebone.rpm
> 1428:Installing kernel-module.. ######################################## [
> 55%]
> Output from kernel-module-lm8333-4.4.55+git0+903eb64c68-r22b at beaglebone:
> Executing kernel-module-lm8333 postinst with: /bin/sh
> /work/resin/resinos/resin-beaglebone/build/tmp/work/beaglebone-poky-linux-gnueabi/resin-image/1.0-r0/rootfs///oe_install/tmp/rpm-tmp.76459
> 1
>
> # kernel-module-lm8333 - postinst
> #!/bin/sh
> if [ -z "$D" ]; then
>         depmod -a 4.4.55+
> else
>         # image.bbclass will call depmodwrapper after everything is
> installed,
>         # no need to do it here as well
>         :
> fi
> Result of kernel-module-lm8333 postinst: 0
> debug: Processing
> kernel-module-tca8418-keypad-4.4.55+git0+903eb64c68-r22b at beaglebone in
> /work/resin/resinos/resin-beaglebone/build/tmp/work/beaglebone-poky-linux-gnueabi/resin-image/1.0-r0/rpms/beaglebone/kernel-module-tca8418-keypad-4.4.55+git0+903eb64c68-r22b.beaglebone.rpm
> 1429:Installing kernel-module.. ######################################## [
> 55%]
> Output from
> kernel-module-tca8418-keypad-4.4.55+git0+903eb64c68-r22b at beaglebone:
> Executing kernel-module-tca8418-keypad postinst with: /bin/sh
> /work/resin/resinos/resin-beaglebone/build/tmp/work/beaglebone-poky-linux-gnueabi/resin-image/1.0-r0/rootfs///oe_install/tmp/rpm-tmp.76459
> 1
>
> ---
>
> If I don't install kernel-modules build succeeds.
>
> Any hints on how to debug this further? I can't seem to find anything
> relevant in smart output.
>

yeah rolling ditros are always intesting when you want to build fixed
releases from past.
one of things that helped me in past was to pin python3 to 3.5 but a
clean reinstall of arch
I got that problem solved automagically