Successfully identified regression in *linux* in CI configuration tcwg_kernel/llvm-master-aarch64-lts-allmodconfig. So far, this commit has regressed CI configurations: - tcwg_kernel/llvm-master-aarch64-lts-allmodconfig

Culprit: <cut> commit 132a8267adabd645476b542b3b132c1b91988fe8 Author: Greg Kroah-Hartman gregkh@linuxfoundation.org Date: Thu Aug 12 13:22:21 2021 +0200

Linux 5.10.58

Link: https://lore.kernel.org/r/20210810172955.660225700@linuxfoundation.org Tested-by: Fox Chen foxhlchen@gmail.com Tested-by: Hulk Robot hulkrobot@huawei.com Tested-by: Sudip Mukherjee sudip.mukherjee@codethink.co.uk Tested-by: Linux Kernel Functional Testing lkft@linaro.org Tested-by: Guenter Roeck linux@roeck-us.net Tested-by: Shuah Khan skhan@linuxfoundation.org Tested-by: Aakash Hemadri aakashhemadri123@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org </cut>

Results regressed to (for first_bad == 132a8267adabd645476b542b3b132c1b91988fe8) # reset_artifacts: -10 # build_abe binutils: -9 # build_llvm: -5 # build_abe qemu: -2 # linux_n_obj: 28702 # linux build successful: all # First few build errors in logs:

from (for last_good == 3d7d1b0f5f41d66a2d177f9fdcdb32e23a4b2513) # reset_artifacts: -10 # build_abe binutils: -9 # build_llvm: -5 # build_abe qemu: -2 # linux_n_obj: 28702 # linux build successful: all # linux boot successful: boot

Artifacts of last_good build: https://ci.linaro.org/job/tcwg_kernel-llvm-bisect-llvm-master-aarch64-lts-al... Artifacts of first_bad build: https://ci.linaro.org/job/tcwg_kernel-llvm-bisect-llvm-master-aarch64-lts-al... Build top page/logs: https://ci.linaro.org/job/tcwg_kernel-llvm-bisect-llvm-master-aarch64-lts-al...

Configuration details:

Reproduce builds: <cut> mkdir investigate-linux-132a8267adabd645476b542b3b132c1b91988fe8 cd investigate-linux-132a8267adabd645476b542b3b132c1b91988fe8

git clone https://git.linaro.org/toolchain/jenkins-scripts

mkdir -p artifacts/manifests curl -o artifacts/manifests/build-baseline.sh https://ci.linaro.org/job/tcwg_kernel-llvm-bisect-llvm-master-aarch64-lts-al... --fail curl -o artifacts/manifests/build-parameters.sh https://ci.linaro.org/job/tcwg_kernel-llvm-bisect-llvm-master-aarch64-lts-al... --fail curl -o artifacts/test.sh https://ci.linaro.org/job/tcwg_kernel-llvm-bisect-llvm-master-aarch64-lts-al... --fail chmod +x artifacts/test.sh

# Reproduce the baseline build (build all pre-requisites) ./jenkins-scripts/tcwg_kernel-build.sh @@ artifacts/manifests/build-baseline.sh

# Save baseline build state (which is then restored in artifacts/test.sh) mkdir -p ./bisect rsync -a --del --delete-excluded --exclude /bisect/ --exclude /artifacts/ --exclude /linux/ ./ ./bisect/baseline/

cd linux

# Reproduce first_bad build git checkout --detach 132a8267adabd645476b542b3b132c1b91988fe8 ../artifacts/test.sh

# Reproduce last_good build git checkout --detach 3d7d1b0f5f41d66a2d177f9fdcdb32e23a4b2513 ../artifacts/test.sh

cd .. </cut>

History of pending regressions and results: https://git.linaro.org/toolchain/ci/base-artifacts.git/log/?h=linaro-local/c...

Artifacts: https://ci.linaro.org/job/tcwg_kernel-llvm-bisect-llvm-master-aarch64-lts-al... Build log: https://ci.linaro.org/job/tcwg_kernel-llvm-bisect-llvm-master-aarch64-lts-al...

Full commit (up to 1000 lines): <cut> commit 132a8267adabd645476b542b3b132c1b91988fe8 Author: Greg Kroah-Hartman gregkh@linuxfoundation.org Date: Thu Aug 12 13:22:21 2021 +0200

Linux 5.10.58

Link: https://lore.kernel.org/r/20210810172955.660225700@linuxfoundation.org Tested-by: Fox Chen foxhlchen@gmail.com Tested-by: Hulk Robot hulkrobot@huawei.com Tested-by: Sudip Mukherjee sudip.mukherjee@codethink.co.uk Tested-by: Linux Kernel Functional Testing lkft@linaro.org Tested-by: Guenter Roeck linux@roeck-us.net Tested-by: Shuah Khan skhan@linuxfoundation.org Tested-by: Aakash Hemadri aakashhemadri123@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile index e9621a90e752..232dee1140c1 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 57 +SUBLEVEL = 58 EXTRAVERSION = NAME = Dare mighty things

</cut>