RE: [KVM] a5202946dc: kernel-selftests.kvm.make_fail

From: Sang, Oliver
Date: Mon Jun 13 2022 - 03:26:58 EST


Hi Chenyi,

> From: Qiang, Chenyi <chenyi.qiang@xxxxxxxxx>
> Sent: Monday, June 13, 2022 12:02 PM
>
> Hi Oliver
>
> I found this issue is already fixed by Sean in queue branch. Thanks for your
> testing and report.

Thanks a lot for information!

>
> Thanks
> Chenyi
>
> -----Original Message-----
> From: Sang, Oliver <oliver.sang@xxxxxxxxx>
> Sent: Monday, June 13, 2022 9:27 AM
> To: Qiang, Chenyi <chenyi.qiang@xxxxxxxxx>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>; Christopherson,, Sean
> <seanjc@xxxxxxxxxx>; LKML <linux-kernel@xxxxxxxxxxxxxxx>;
> kvm@xxxxxxxxxxxxxxx; Hu, Robert <robert.hu@xxxxxxxxx>; Chen, Farrah
> <farrah.chen@xxxxxxxxx>; Wei, Danmei <danmei.wei@xxxxxxxxx>;
> lkp@xxxxxxxxxxxx; lkp <lkp@xxxxxxxxx>; Hao, Xudong <xudong.hao@xxxxxxxxx>
> Subject: [KVM] a5202946dc: kernel-selftests.kvm.make_fail
>
>
>
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-11):
>
> commit: a5202946dc7b20bf2abe1bd35adf2f46aa155ac0 ("KVM: selftests: Add a
> test to get/set triple fault event") https://git.kernel.org/cgit/virt/kvm/kvm.git
> lbr-for-weijiang
>
> in testcase: kernel-selftests
> version: kernel-selftests-x86_64-d889b151-1_20220608
> with following parameters:
>
> group: kvm
> ucode: 0xec
>
> 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 28G
> 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 <oliver.sang@xxxxxxxxx>
>
>
>
> gcc -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99 -fno-stack-
> protector -fno-PIE -I../../../../tools/include -I../../../../tools/arch/x86/include -
> I../../../../usr/include/ -Iinclude -Ix86_64 -Iinclude/x86_64 -I.. -pthread -no-pie
> x86_64/triple_fault_event_test.c /usr/src/perf_selftests-x86_64-rhel-8.3-
> kselftests-
> a5202946dc7b20bf2abe1bd35adf2f46aa155ac0/tools/testing/selftests/kvm/libk
> vm.a -o /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-
> a5202946dc7b20bf2abe1bd35adf2f46aa155ac0/tools/testing/selftests/kvm/x86
> _64/triple_fault_event_test
> x86_64/triple_fault_event_test.c: In function ‘main’:
> x86_64/triple_fault_event_test.c:50:10: error:
> ‘KVM_CAP_TRIPLE_FAULT_EVENT’ undeclared (first use in this function); did you
> mean ‘KVM_CAP_X86_TRIPLE_FAULT_EVENT’?
> 50 | .cap = KVM_CAP_TRIPLE_FAULT_EVENT,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~
> | KVM_CAP_X86_TRIPLE_FAULT_EVENT
> x86_64/triple_fault_event_test.c:50:10: note: each undeclared identifier is
> reported only once for each function it appears in
> make: *** [../lib.mk:152: /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-
> a5202946dc7b20bf2abe1bd35adf2f46aa155ac0/tools/testing/selftests/kvm/x86
> _64/triple_fault_event_test] Error 1
> make: Leaving directory '/usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-
> a5202946dc7b20bf2abe1bd35adf2f46aa155ac0/tools/testing/selftests/kvm'
>
>
>
> To reproduce:
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> sudo bin/lkp install job.yaml # job file is attached in this email
> bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
> sudo bin/lkp run generated-yaml-file
>
> # if come across any failure that blocks the test,
> # please remove ~/.lkp and /lkp dir to run from a clean state.
>
>
>
> --
> 0-DAY CI Kernel Test Service
> https://01.org/lkp
>
>