[yocto] The error of task do_validate_branches

[Neil.Wu at Emerson.com]

Hi, all

I build the custom linux-yocto kernel, it appears the error as bellow :

ERROR: Function failed: do_validate_branches (log file is located at /home/ectrs/poky/coretexa8/tmp/work/am335x_evm-poky-linux-gnueabi/linux-yocto-tiam335x/3.12.10--SS-r0/temp/log.do_validate_branches.4899)
ERROR: Logfile of failure stored in: /home/ectrs/poky/coretexa8/tmp/work/am335x_evm-poky-linux-gnueabi/linux-yocto-tiam335x/3.12.10--SS-r0/temp/log.do_validate_branches.4899
Log data follows:
| DEBUG: Executing shell function do_validate_branches
| NOTE: custom recipe is being built, forcing SRCREV to INVALID
| NOTE: SRCREV validation skipped for AUTOREV or empty meta branch
| fatal: A branch named 'master-orig' already exists.
| fatal: ambiguous argument 'INVALID': unknown revision or path not in the working tree.
| Use '--' to separate paths from revisions, like this:
| 'git <command> [<revision>...] -- [<file>...]'
| WARNING: exit code 128 from a shell command.
| ERROR: Function failed: do_validate_branches (log file is located at /home/ectrs/poky/coretexa8/tmp/work/am335x_evm-poky-linux-gnueabi/linux-yocto-tiam335x/3.12.10--SS-r0/temp/log.do_validate_branches.4899)
ERROR: Task 69 (/home/ectrs/poky/meta-emerson-ecosys/recipes-kernel/linux/linux-yocto-tiam335x_3.12.10.bb, do_validate_branches) failed with exit code '1'

How to resolve this problem? if you know please help me.

Thanks
Neil
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