# Seems broken ? kernel build

**URL:** <https://mangoh.discourse.group/t/seems-broken-kernel-build/1019>\
**Category:** mangOH Green\
**Created:** [December 22, 2017, 7:55am UTC](https://mangoh.discourse.group/t/seems-broken-kernel-build/1019 "2017-12-22T07:55:10Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![dingo](https://avatars.discourse-cdn.com/v4/letter/d/c2a13f/32.png) [@dingo](https://mangoh.discourse.group/u/dingo)\
**Post date:** [December 22, 2017, 7:55am UTC](https://mangoh.discourse.group/t/seems-broken-kernel-build/1019/1 "2017-12-22T07:55:10Z")

</div>

According to [https://source.sierrawireless.com/resources/legato/linuxoverview/](https://source.sierrawireless.com/resources/legato/linuxoverview/)

./build.sh -p …/poky/ -o …/meta-openembedded/ -l …/meta-swi -m swi-mdm9x15 -q -t 4 -j 4 -d -r  
Poky dir: /home/dingo/yocto/poky  
OE meta: /home/dingo/yocto/meta-openembedded  
SWI meta dir: /home/dingo/yocto/meta-swi  
SWI machine: swi-mdm9x15  
Enable Qualcomm Proprietary bin  
Number of bitbake tasks 4  
Number of make threads 4  
Enable more packages for debugging  
Enable preempt-rt kernel. \*\* WARNING - unsupported kernel mode \*\*

### Shell environment set up for builds.

You can now run 'bitbake ’

Common targets are:  
core-image-minimal  
core-image-sato  
meta-toolchain  
adt-installer  
meta-ide-support

You can also run generated qemu images with a command like ‘runqemu qemux86’

- layer: meta-swi-mdm9xxx
- layer: meta-swi-mdm9x15
- layer: meta-swi
- layer: meta-oe
- layer: meta-networking
- layer: meta-python
- layer: meta-swi-bin
- layer: meta-swi-extras/common  
Updating LEGATO\_BUILD to false  
Updating ROOTFS\_VERSION to  
Build image of dev rootfs (for swi-mdm9x15).  
WARNING: Host distribution “Ubuntu-16.04” has not been validated with this version of the build system; you may possibly experience unexpected failures. It is recommended that you use a tested distribution.  
Loading cache: 100% |#######################################################################################################################################################################| ETA: 00:00:00  
Loaded 832 entries from dependency cache.  
NOTE: Error during finalise of /home/dingo/yocto/poky/meta/recipes-kernel/linux/linux-yocto-rt\_3.14.bb | ETA: --:–:--  
NOTE: Error during finalise of /home/dingo/yocto/poky/meta/recipes-kernel/linux/linux-yocto\_3.14.bb  
ERROR: ExpansionError during parsing /home/dingo/yocto/poky/meta/recipes-kernel/linux/linux-yocto-rt\_3.14.bb: Failure expanding variable do\_patch: ExpansionError: Failure expanding variable SRCPV, expression was ${@bb.fetch2.get\_srcrev(d)} which triggered exception MalformedUrl: The URL: ‘git://;protocol=file;branch=standard/swi-mdm9x15-yocto-1.7-swi-le55,meta-yocto-1.7-swi-le55;name=machine,meta’ is invalid and cannot be interpreted

Summary: There was 1 WARNING message shown.  
Summary: There was 1 ERROR message shown, returning a non-zero exit code.