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Message-ID: <20180418010929.GB20825@yexl-desktop> Date: Wed, 18 Apr 2018 09:09:29 +0800 From: kernel test robot <xiaolong.ye@...el.com> To: Paolo Bonzini <pbonzini@...hat.com> Cc: LKML <linux-kernel@...r.kernel.org>, lkp@...org Subject: [lkp-robot] [kvm] d5edb7f8e7: kernel_selftests.kvm.vmx_tsc_adjust_test.fail FYI, we noticed the following commit (built with gcc-7): commit: d5edb7f8e7ab9fd5fd54a77d957b1733f117a813 ("kvm: selftests: add vmx_tsc_adjust_test") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.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: qemu-system-x86_64 -enable-kvm -cpu host -smp 2 -m 4G caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): selftests: vmx_tsc_adjust_test ======================================== ==== Test Assertion Failure ==== lib/kvm_util.c:422: kvm_fd >= 0 pid=9812 tid=9812 1 0x000000000040174a: kvm_get_supported_cpuid at kvm_util.c:421 2 0x0000000000401b5a: kvm_get_supported_cpuid at kvm_util.c:461 3 (inlined by) kvm_get_supported_cpuid_index at kvm_util.c:449 4 0x0000000000400e58: kvm_get_supported_cpuid_entry at kvm_util.h:125 5 (inlined by) main at vmx_tsc_adjust_test.c:189 6 0x00007f2ef6225a86: ?? ??:0 7 0x00000000004010a9: _start at ??:? open /dev/kvm failed, rc: -1 errno: 2 not ok 1..3 selftests: vmx_tsc_adjust_test [FAIL] make: Leaving directory '/usr/src/linux-selftests-x86_64-rhel-7.2-d5edb7f8e7ab9fd5fd54a77d957b1733f117a813/tools/testing/selftests/kvm' To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email Thanks, Xiaolong View attachment "config-4.16.0-rc4-00203-gd5edb7f" of type "text/plain" (166026 bytes) View attachment "job-script" of type "text/plain" (5831 bytes) Download attachment "dmesg.xz" of type "application/x-xz" (37356 bytes) View attachment "kernel_selftests" of type "text/plain" (52992 bytes)
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