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This bug has been copied from bug #1334479 and has been proposed to be backported to 7.2 z-stream (EUS).
============================================= Verified in: tuned-2.5.1-4.el7_2.5.noarch tuned-profiles-nfv-2.5.1-4.el7_2.5.noarch PASS ============================================= # cat /usr/lib/tuned/realtime-virtual-host/tuned.conf | grep cmdline cmdline=isolcpus=${isolated_cores} nohz=on nohz_full=${isolated_cores} rcu_nocbs=${isolated_cores} intel_pstate=disable nosoftlockup # cat /etc/tuned/realtime-virtual-host-variables.conf isolated_cores=1 # tuned-adm profile realtime-virtual-host # reboot # cat /proc/cmdline BOOT_IMAGE=/vmlinuz-3.10.0-493.el7.x86_64 root=/dev/mapper/rhel_dell--pe--fm120--2c-root ro crashkernel=auto rd.lvm.lv=rhel_dell-pe-fm120-2c/root rd.lvm.lv=rhel_dell-pe-fm120-2c/swap console=ttyS0,115200n81 isolcpus=1 nohz=on nohz_full=1 rcu_nocbs=1 intel_pstate=disable nosoftlockup The same behavior is also for realtime-virtual-guest. ============================================= Reproduced in: tuned-2.5.1-7.el7.noarch tuned-profiles-nfv-2.5.1-7.el7.noarch FAIL ============================================= # cat /usr/lib/tuned/realtime-virtual-host/tuned.conf | grep cmdline cmdline=isolcpus=${isolated_cores} nohz=on nohz_full=${isolated_cores} intel_pstate=disable nosoftlockup # cat /etc/tuned/realtime-virtual-host-variables.conf isolated_cores=1 # tuned-adm profile realtime-virtual-host # reboot # cat /proc/cmdline # cat /proc/cmdline BOOT_IMAGE=/vmlinuz-3.10.0-493.el7.x86_64 root=/dev/mapper/rhel_dell--pe--fm120--2c-root ro crashkernel=auto rd.lvm.lv=rhel_dell-pe-fm120-2c/root rd.lvm.lv=rhel_dell-pe-fm120-2c/swap console=ttyS0,115200n81 isolcpus=1 nohz=on nohz_full=1 intel_pstate=disable nosoftlockup
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2016-1848.html