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 f7de21498dc6c517969315dcb3a675072c2cc87f
Author: Adhemerval Zanella <adhemerval.zane...@linaro.org>
Date: Sat Jul 3 16:26:11 2021 -0300
linux: Use the expected size for SO_TIMESTAMP{NS} convertion
Kernel returns 32-bit values for COMPAT_SO_TIMESTAMP{NS}_OLD,
not 64-bit values.
Checked on x86_64-linux-gnu and i686-linux-gnu.
</cut>
Results regressed to (for first_bad == f7de21498dc6c517969315dcb3a675072c2cc87f)
# reset_artifacts:
-10
# true:
0
# build_abe binutils:
1
# build_abe stage1:
2
# build_abe linux:
3
# First few build errors in logs:
# 00:00:14 make[2]: ***
[/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/sysd-rules:499:
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/csu/start.os]
Error 1
# 00:00:14 make[2]: ***
[/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/sysd-rules:483:
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/csu/crtn.o]
Error 1
# 00:00:14 make[2]: ***
[/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/sysd-rules:483:
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/csu/start.o]
Error 1
# 00:00:14 make[2]: ***
[/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/sysd-rules:483:
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/csu/crti.o]
Error 1
# 00:00:15 make[2]: *** [../o-iterator.mk:9:
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/csu/check_fds.o]
Error 1
# 00:00:15 make[2]: *** [../o-iterator.mk:9:
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/csu/check_fds.os]
Error 1
# 00:00:15 ../sysdeps/aarch64/nptl/tls.h:91:19: error:
‘__builtin_thread_pointer’ is not supported on this target
# 00:00:15 make[2]: ***
[/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/sysd-rules:485:
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/builds/x86_64-pc-linux-gnu/aarch64-linux-gnu/glibc-glibc.git~master/csu/libc-tls.o]
Error 1
# 00:00:15 ../sysdeps/unix/sysv/linux/aarch64/sysdep.h:190:17: error: invalid
register name for ‘_x0’
# 00:00:15 ../sysdeps/unix/sysv/linux/aarch64/sysdep.h:174:22: error: invalid
register name for ‘_x8’
from (for last_good == 4b93a93e407308000ee6a1c3fec3715127c2c4c5)
# 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/25/artifact/artifacts/build-4b93a93e407308000ee6a1c3fec3715127c2c4c5/
Artifacts of first_bad build:
https://ci.linaro.org/job/tcwg_cross-bisect-gnu-master-aarch64-build_cross/25/artifact/artifacts/build-f7de21498dc6c517969315dcb3a675072c2cc87f/
Build top page/logs:
https://ci.linaro.org/job/tcwg_cross-bisect-gnu-master-aarch64-build_cross/25/
Configuration details:
Reproduce builds:
<cut>
mkdir investigate-glibc-f7de21498dc6c517969315dcb3a675072c2cc87f
cd investigate-glibc-f7de21498dc6c517969315dcb3a675072c2cc87f
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/25/artifact/artifacts/manifests/build-baseline.sh
--fail
curl -o artifacts/manifests/build-parameters.sh
https://ci.linaro.org/job/tcwg_cross-bisect-gnu-master-aarch64-build_cross/25/artifact/artifacts/manifests/build-parameters.sh
--fail
curl -o artifacts/test.sh
https://ci.linaro.org/job/tcwg_cross-bisect-gnu-master-aarch64-build_cross/25/artifact/artifacts/test.sh
--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 f7de21498dc6c517969315dcb3a675072c2cc87f
../artifacts/test.sh
# Reproduce last_good build
git checkout --detach 4b93a93e407308000ee6a1c3fec3715127c2c4c5
../artifacts/test.sh
cd ..
</cut>
History of pending regressions and results:
https://git.linaro.org/toolchain/ci/base-artifacts.git/log/?h=linaro-local/ci/tcwg_cross/gnu-master-aarch64-build_cross
Artifacts:
https://ci.linaro.org/job/tcwg_cross-bisect-gnu-master-aarch64-build_cross/25/artifact/artifacts/
Build log:
https://ci.linaro.org/job/tcwg_cross-bisect-gnu-master-aarch64-build_cross/25/consoleText
Full commit (up to 1000 lines):
<cut>
commit f7de21498dc6c517969315dcb3a675072c2cc87f
Author: Adhemerval Zanella <adhemerval.zane...@linaro.org>
Date: Sat Jul 3 16:26:11 2021 -0300
linux: Use the expected size for SO_TIMESTAMP{NS} convertion
Kernel returns 32-bit values for COMPAT_SO_TIMESTAMP{NS}_OLD,
not 64-bit values.
Checked on x86_64-linux-gnu and i686-linux-gnu.
---
sysdeps/unix/sysv/linux/convert_scm_timestamps.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
index 5af71847f5..00c934c413 100644
--- a/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
+++ b/sysdeps/unix/sysv/linux/convert_scm_timestamps.c
@@ -44,7 +44,8 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t
msgsize)
'struct __kernel_sock_timeval' while for SO_TIMESTAMPNS_NEW is a
'struct __kernel_timespec'. In either case it is two uint64_t
members. */
- uint64_t tvts[2];
+ int64_t tvts[2];
+ int32_t tmp[2];
struct cmsghdr *cmsg, *last = NULL;
int type = 0;
@@ -69,7 +70,9 @@ __convert_scm_timestamps (struct msghdr *msg, socklen_t
msgsize)
/* fallthrough */
common:
- memcpy (tvts, CMSG_DATA (cmsg), sizeof (tvts));
+ memcpy (tmp, CMSG_DATA (cmsg), sizeof (tmp));
+ tvts[0] = tmp[0];
+ tvts[1] = tmp[1];
break;
}
</cut>
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