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Date: Tue, 24 Apr 2018 11:20:44 +0800 From: kernel test robot <xiaolong.ye@...el.com> To: Paolo Bonzini <pbonzini@...hat.com> Cc: linux-kernel@...r.kernel.org, lkp@...org Subject: [lkp-robot] [kvm] 783e9e5126: kernel_selftests.kvm.set_sregs_test.fail FYI, we noticed the following commit (built with gcc-7): commit: 783e9e51266ebb7f78c606a53cb0fa41bb7c31a0 ("kvm: selftests: add API testing infrastructure") 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: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz with 64G memory caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): gcc -O2 -g -I../../../..//usr/include/ -Iinclude -I. set_sregs_test.c /usr/src/linux-selftests-x86_64-rhel-7.2-783e9e51266ebb7f78c606a53cb0fa41bb7c31a0/tools/testing/selftests/kvm/libkvm.a -o /usr/src/linux-selftests-x86_64-rhel-7.2-783e9e51266ebb7f78c606a53cb0fa41bb7c31a0/tools/testing/selftests/kvm/set_sregs_test TAP version 13 selftests: set_sregs_test ======================================== ==== Test Assertion Failure ==== lib/kvm_util.c:95: kvm_fd >= 0 pid=19892 tid=19892 1 0x0000000000401a6e: vm_create at kvm_util.c:94 2 0x0000000000406149: vm_create_default at x86.c:688 3 0x0000000000400d01: main at set_sregs_test.c:39 4 0x00007fa0cbf61a86: ?? ??:0 5 0x0000000000400de9: _start at ??:? open /dev/kvm failed, rc: -1 errno: 2 not ok 1..1 selftests: set_sregs_test [FAIL] make: Leaving directory '/usr/src/linux-selftests-x86_64-rhel-7.2-783e9e51266ebb7f78c606a53cb0fa41bb7c31a0/tools/testing/selftests/kvm' Thanks, Xiaolong View attachment "config-4.16.0-rc4-00192-g783e9e5" of type "text/plain" (166026 bytes) View attachment "job-script" of type "text/plain" (5884 bytes) Download attachment "dmesg.xz" of type "application/x-xz" (94120 bytes) View attachment "kernel_selftests" of type "text/plain" (274214 bytes) View attachment "job.yaml" of type "text/plain" (5276 bytes) View attachment "reproduce" of type "text/plain" (885 bytes)
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