On 03.06.19 04:31, kernel test robot wrote:
> FYI, we noticed the following commit (built with gcc-7):
>
> commit: 2ee567d31a5812cf93c0ec943b142de252ce1cff ("KVM: selftests: enable
> pgste option for the linker on s390")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> in testcase: kernel_selftests
> with following parameters:
>
> group: kselftests-01
>
> test-description: The kernel contains a set of "self tests" under the
> tools/testing/selftests/ directory. These are intended to be small unit tests
> to exercise individual code paths in the kernel.
> test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
>
>
> on test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz with 8G
> memory
>
> caused below changes (please refer to attached dmesg/kmsg for entire
> log/backtrace):
>
>
> If you fix the issue, kindly add following tag
> Reported-by: kernel test robot <[email protected]>
I fixed up the offending commit.
>
> 2019-05-31 18:25:21 make run_tests -C kvm
> make: Entering directory
> '/usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm'
> make --no-builtin-rules ARCH=x86 -C ../../../.. headers_install
> make[1]: Entering directory
> '/usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff'
> make[1]: Leaving directory
> '/usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff'
> gcc -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99
> -fno-stack-protector -fno-PIE -I../../../../tools/include
> -I../../../../usr/include/ -Iinclude -Ilib -Iinclude/x86_64 -I.. -c
> lib/assert.c -o
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/assert.o
> gcc -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99
> -fno-stack-protector -fno-PIE -I../../../../tools/include
> -I../../../../usr/include/ -Iinclude -Ilib -Iinclude/x86_64 -I.. -c
> lib/elf.c -o
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/elf.o
> gcc -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99
> -fno-stack-protector -fno-PIE -I../../../../tools/include
> -I../../../../usr/include/ -Iinclude -Ilib -Iinclude/x86_64 -I.. -c
> lib/io.c -o
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/io.o
> gcc -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99
> -fno-stack-protector -fno-PIE -I../../../../tools/include
> -I../../../../usr/include/ -Iinclude -Ilib -Iinclude/x86_64 -I.. -c
> lib/kvm_util.c -o
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/kvm_util.o
> gcc -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99
> -fno-stack-protector -fno-PIE -I../../../../tools/include
> -I../../../../usr/include/ -Iinclude -Ilib -Iinclude/x86_64 -I.. -c
> lib/ucall.c -o
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/ucall.o
> gcc -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99
> -fno-stack-protector -fno-PIE -I../../../../tools/include
> -I../../../../usr/include/ -Iinclude -Ilib -Iinclude/x86_64 -I.. -c
> lib/sparsebit.c -o
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/sparsebit.o
> gcc -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99
> -fno-stack-protector -fno-PIE -I../../../../tools/include
> -I../../../../usr/include/ -Iinclude -Ilib/x86_64 -Iinclude/x86_64 -I.. -c
> lib/x86_64/processor.c -o
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/x86_64/processor.o
> gcc -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99
> -fno-stack-protector -fno-PIE -I../../../../tools/include
> -I../../../../usr/include/ -Iinclude -Ilib/x86_64 -Iinclude/x86_64 -I.. -c
> lib/x86_64/vmx.c -o
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/x86_64/vmx.o
> ar crs
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/libkvm.a
>
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/assert.o
>
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/elf.o
>
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/io.o
>
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/kvm_util.o
>
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/ucall.o
>
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/sparsebit.o
>
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/x86_64/processor.o
>
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/lib/x86_64/vmx.o
> gcc -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99
> -fno-stack-protector -fno-PIE -I../../../../tools/include
> -I../../../../usr/include/ -Iinclude -Ix86_64 -Iinclude/x86_64 -I.. -pthread
> -no-pie -Wl,--s390-pgste x86_64/platform_info_test.c
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/libkvm.a
> -o
> /usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/x86_64/platform_info_test
> /usr/bin/ld: unrecognized option '--s390-pgste'
> /usr/bin/ld: use the --help option for usage information
> collect2: error: ld returned 1 exit status
> ../lib.mk:138: recipe for target
> '/usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/x86_64/platform_info_test'
> failed
> make: ***
> [/usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm/x86_64/platform_info_test]
> Error 1
> make: Leaving directory
> '/usr/src/perf_selftests-x86_64-rhel-7.6-2ee567d31a5812cf93c0ec943b142de252ce1cff/tools/testing/selftests/kvm'
>
>
> To reproduce:
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> bin/lkp install job.yaml # job file is attached in this email
> bin/lkp run job.yaml
>
>
> Thanks,
> Rong Chen
>