FYI, we noticed the below changes on commit 4ed2d765dfaccff5ebdac68e2064b59125033a3b ("net-timestamp: TCP timestamping") testbox/testcase/testparams: vm-vp-2G/ltp/syscalls e7fd2885385157d4 4ed2d765dfaccff5ebdac68e20 ---------------- -------------------------- fail:runs %reproduction fail:runs | | | :5 100% 5:5 ltp.recv01.fail :5 100% 5:5 ltp.recvfrom01.fail :5 100% 5:5 ltp.recvmsg01.fail :5 20% 1:5 kmsg.APIC_calibration_not_consistent_with_PM-Timer:#ms_instead_of#ms :5 20% 1:5 kmsg.hrtimer:interrupt_took#ns :5 20% 1:5 kmsg.TINFO:mlock_failed:errno=ENOMEM(#):Cannot_allocate_memory :5 20% 1:5 kmsg.estcases/kernel/syscalls/getgroups/../utils/compat_16.h::#-bit_version_of_getgroups()is_not_supported_on_your_platform testbox/testcase/testparams: nhm-white/ltp/syscalls e7fd2885385157d4 4ed2d765dfaccff5ebdac68e20 ---------------- -------------------------- :10 100% 5:5 ltp.recv01.fail :10 100% 5:5 ltp.recvfrom01.fail :10 100% 5:5 ltp.recvmsg01.fail vm-vp-2G: qemu-system-x86_64 -enable-kvm -cpu Penryn Memory: 2G nhm-white: Nehalem Memory: 6G To reproduce: apt-get install ruby ruby-oj git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/setup-local job.yaml # the job file attached in this email bin/run-local job.yaml --yliu