[ 15.791285] ppdev: user-space parallel port driver [ 17.840081] CPU0 attaching NULL sched-domain. [ 17.840087] CPU1 attaching NULL sched-domain. [ 17.868057] CPU0 attaching sched-domain: [ 17.868060] domain 0: span 0-1 level MC [ 17.868063] groups: 0 1 [ 17.868066] domain 1: span 0-1 level CPU [ 17.868069] groups: 0-1 (cpu_power = 2048) [ 17.868073] CPU1 attaching sched-domain: [ 17.868075] domain 0: span 0-1 level MC [ 17.868077] groups: 1 0 [ 17.868080] domain 1: span 0-1 level CPU [ 17.868082] groups: 0-1 (cpu_power = 2048) [ 23.852014] eth0: no IPv6 routers present [ 78.504027] Clocksource tsc unstable (delta = -314573782 ns) [ 4179.468549] CPU0 attaching NULL sched-domain. [ 4179.468557] CPU1 attaching NULL sched-domain. [ 4179.492065] CPU0 attaching sched-domain: [ 4179.492068] domain 0: span 0-1 level MC [ 4179.492071] groups: 0 1 [ 4179.492075] CPU1 attaching sched-domain: [ 4179.492078] domain 0: span 0-1 level MC [ 4179.492080] groups: 1 0 [ 4180.922701] hda-intel: IRQ timing workaround is activated for card #1. Suggest a bigger bdl_pos_adj.