Comment 0 for bug 1020285

James Troup (elmo) wrote :

As widely reported, the addition of the leap second on 2012-06-30 has
caused high CPU usage and futex lockups in a lot of applications
including JVMs, Mysql as well as desktop apps like Firefox and

We've seen this ourselves on the Canonical infrastructure on both
current Lucid and Precise kernels, i.e.

ii linux-image-2.6.32-41-server 2.6.32-41.90 Linux kernel image for version 2.6.32 on x86_64
ii linux-image-3.2.0-24-generic 3.2.0-24.39 Linux kernel image for version 3.2.0 on 64 bit x86 SMP

We can also confirm the 'date -s $(date)' workaround fixes the problem
without requiring a reboot.