Successfully identified regression in *glibc* in CI configuration tcwg_cross/gnu-master-aarch64-build_cross. So far, this commit has regressed CI configurations: - tcwg_cross/gnu-master-aarch64-build_cross

Culprit: <cut> commit b46cfcef3f7dab8e90729c6616ac1420f2642245 Author: Joseph Myers joseph@codesourcery.com Date: Wed Jul 7 13:24:05 2021 +0000

Update kernel version to 5.13 in tst-mman-consts.py

This patch updates the kernel version in the test tst-mman-consts.py to 5.13. (There are no new MAP_* constants covered by this test in 5.13 that need any other header changes.)

Tested with build-many-glibcs.py. </cut>

Results regressed to (for first_bad == b46cfcef3f7dab8e90729c6616ac1420f2642245) # reset_artifacts: -10 # true: 0 # build_abe binutils: 1 # build_abe stage1: 2 # build_abe linux: 3 # First few build errors in logs: # 00:00:18 ../sysdeps/unix/sysv/linux/aarch64/sysdep.h:190:17: error: invalid register name for ‘_x0’ # 00:00:18 ../sysdeps/unix/sysv/linux/aarch64/sysdep.h:174:22: error: invalid register name for ‘_x8’ # 00:00:18 ../sysdeps/aarch64/nptl/tls.h:95:21: error: ‘__builtin_thread_pointer’ is not supported on this target # 00:00:18 ../sysdeps/aarch64/nptl/tls.h:91:19: error: ‘__builtin_thread_pointer’ is not supported on this target # 00:00:18 make[2]: *** [/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/sysd-rules:483: /home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/csu/crti.o] Error 1 # 00:00:18 make[2]: *** [/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/sysd-rules:9: /home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/csu/libc-start.o] Error 1 # 00:00:18 make[2]: *** [/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/sysd-rules:483: /home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/csu/start.o] Error 1 # 00:00:18 ../sysdeps/unix/sysv/linux/aarch64/sysdep.h:190:17: error: invalid register name for ‘_x0’ # 00:00:18 ../sysdeps/unix/sysv/linux/aarch64/sysdep.h:174:22: error: invalid register name for ‘_x8’ # 00:00:18 ../sysdeps/aarch64/nptl/tls.h:95:21: error: ‘__builtin_thread_pointer’ is not supported on this target

from (for last_good == fab3a6daf137c734e684471e197148aa058102e3) # reset_artifacts: -10 # true: 0 # build_abe binutils: 1 # build_abe stage1: 2 # build_abe linux: 3 # build_abe glibc: 4 # build_abe stage2: 5 # build_abe qemu: 6

Artifacts of last_good build: https://ci.linaro.org/job/tcwg_cross-bisect-gnu-master-aarch64-build_cross/3... Artifacts of first_bad build: https://ci.linaro.org/job/tcwg_cross-bisect-gnu-master-aarch64-build_cross/3... Build top page/logs: https://ci.linaro.org/job/tcwg_cross-bisect-gnu-master-aarch64-build_cross/3...

Configuration details:

Reproduce builds: <cut> mkdir investigate-glibc-b46cfcef3f7dab8e90729c6616ac1420f2642245 cd investigate-glibc-b46cfcef3f7dab8e90729c6616ac1420f2642245

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_cross-bisect-gnu-master-aarch64-build_cross/3... --fail curl -o artifacts/manifests/build-parameters.sh https://ci.linaro.org/job/tcwg_cross-bisect-gnu-master-aarch64-build_cross/3... --fail curl -o artifacts/test.sh https://ci.linaro.org/job/tcwg_cross-bisect-gnu-master-aarch64-build_cross/3... --fail chmod +x artifacts/test.sh

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

cd glibc

# Reproduce first_bad build git checkout --detach b46cfcef3f7dab8e90729c6616ac1420f2642245 ../artifacts/test.sh

# Reproduce last_good build git checkout --detach fab3a6daf137c734e684471e197148aa058102e3 ../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_cross-bisect-gnu-master-aarch64-build_cross/3... Build log: https://ci.linaro.org/job/tcwg_cross-bisect-gnu-master-aarch64-build_cross/3...

Full commit (up to 1000 lines): <cut> commit b46cfcef3f7dab8e90729c6616ac1420f2642245 Author: Joseph Myers joseph@codesourcery.com Date: Wed Jul 7 13:24:05 2021 +0000

Update kernel version to 5.13 in tst-mman-consts.py

This patch updates the kernel version in the test tst-mman-consts.py to 5.13. (There are no new MAP_* constants covered by this test in 5.13 that need any other header changes.)

Tested with build-many-glibcs.py. --- sysdeps/unix/sysv/linux/tst-mman-consts.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sysdeps/unix/sysv/linux/tst-mman-consts.py b/sysdeps/unix/sysv/linux/tst-mman-consts.py index fec7c9b8da..ee5b13ee12 100644 --- a/sysdeps/unix/sysv/linux/tst-mman-consts.py +++ b/sysdeps/unix/sysv/linux/tst-mman-consts.py @@ -33,7 +33,7 @@ def main(): help='C compiler (including options) to use') args = parser.parse_args() linux_version_headers = glibcsyscalls.linux_kernel_version(args.cc) - linux_version_glibc = (5, 12) + linux_version_glibc = (5, 13) sys.exit(glibcextract.compare_macro_consts( '#define _GNU_SOURCE 1\n' '#include <sys/mman.h>\n', </cut>