qemuarm64-ptest on ubuntu1804-arm-1 https://autobuilder.yoctoproject.org/typhoon/#/builders/82/builds/1779/steps/12/logs/stdio 'ERROR: Exit status is 9\n' 'DURATION: 1626\n', 'strace': ['kill_child.test']}
https://autobuilder.yoctoproject.org/typhoon/#/builders/82/builds/1894/steps/12/logs/stdio qemuarm64-ptest ubuntu2004-arm-1
https://autobuilder.yoctoproject.org/typhoon/#/builders/82/builds/1914/steps/12/logs/stdio qemuarm64-ptest ubuntu1804-arm-1
https://autobuilder.yoctoproject.org/typhoon/#/builders/82/builds/1998/steps/12/logs/stdio qemuarm64-ptest ubuntu2004-arm-1
https://autobuilder.yoctoproject.org/typhoon/#/builders/82/builds/2079/steps/12/logs/stdio qemuarm64-ptest ubuntu1804-arm-1
https://autobuilder.yoctoproject.org/typhoon/#/builders/82/builds/2100/steps/12/logs/stdio qemuarm64-ptest ubuntu2004-arm-1
https://autobuilder.yoctoproject.org/typhoon/#/builders/82/builds/2120/steps/12/logs/stdio qemuarm64-ptest ubuntu2004-arm-1
I've discussed this bug with strace upstream and the suggestion was to disable kill_child test on single core machines.
Appears to have been fixed by: commit bca3d163d9ed804b4c734ac8fe4fa96e1d05906d Author: wangmy <wangmy@fujitsu.com> AuthorDate: Tue Sep 14 19:37:43 2021 Commit: Richard Purdie <richard.purdie@linuxfoundation.org> CommitDate: Fri Oct 1 09:51:23 2021 strace: upgrade 5.13 -> 5.14