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

[Sang, Oliver <oliver.sang@intel.com>]

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Hi Chenyi,

> From: Qiang, Chenyi <chenyi.qiang@intel.com>
> 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@intel.com>
> Sent: Monday, June 13, 2022 9:27 AM
> To: Qiang, Chenyi <chenyi.qiang@intel.com>
> Cc: Paolo Bonzini <pbonzini@redhat.com>; Christopherson,, Sean
> <seanjc@google.com>; LKML <linux-kernel@vger.kernel.org>;
> kvm(a)vger.kernel.org; Hu, Robert <robert.hu@intel.com>; Chen, Farrah
> <farrah.chen@intel.com>; Wei, Danmei <danmei.wei@intel.com>;
> lkp(a)lists.01.org; lkp <lkp@intel.com>; Hao, Xudong <xudong.hao@intel.com>
> 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@intel.com>
> 
> 
> 
> 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
> 
>