When constructing the companion filesystem (and IMAGE_GEN_DEBUGFS = "1" is set). When the filesystem is set to 'tar.bz2' The companion filesystem fails with: pbzip2: *ERROR: File [core-image-minimal-qemux86-20160419134145-dbg.rootfs.debugfs_tar] NOT found! Skipping... | ------------------------------------------- | WARNING: /home/mhatle/git/oss/oe-core/build-debugfs/tmp-glibc/work/qemux86-oe-linux/core-image-minimal/1.0-r0/temp/run.do_image_debugfs_tar.60453:1 exit 1 from 'pbzip2 -f -k core-image-minimal-qemux86-20160419134145-dbg.rootfs.debugfs_tar' | ERROR: Function failed: do_image_debugfs_tar (log file is located at /home/mha or a similar fault when set to "tar.gz", but instead running gzip. (The filename is incorrect. It should not be looking for 'debugfs_tar'.) If the value is set to 'tar'. The system constructs and them immediately deletes the companion filesystem it generated.
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http://git.yoctoproject.org/cgit.cgi/poky/commit/?id=98558405bf17532faa35f15c3b0ab73c42134fd4