With no other major CPU usage, but CPU 0 pegged, "perf top" shows this as the top usage:
50.02% [kernel] [k] tasklet_action 23.48% [kernel] [k] __do_softirq 5.66% [kernel] [k] __raise_softirq_irqoff -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1291113 Title: Intel igb driver infinite loop in ksoftirqd, uses 100% of cpu 0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-saucy/+bug/1291113/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
