[   30.986485] vboxdrv: Found 4 processor cores.
[   30.987169] vboxdrv: fAsync=0 offMin=0x2c1 offMax=0x27c9
[   30.987314] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
[   30.987316] vboxdrv: Successfully loaded version 4.2.16_Ubuntu (interface 0x001a0005).
[   31.015382] vboxpci: IOMMU not found (not registered)
[   39.069888] snd_pcm_update_hw_ptr0: 123 callbacks suppressed
[   39.069894] BUG: pcmC0D0c:0, pos = 5461, buffer size = 5461, period size = 2730
[  201.267770] EXT4-fs (sdd1): warning: maximal mount count reached, running e2fsck is recommended
[  201.273526] EXT4-fs (sdd1): recovery complete
[  201.273947] EXT4-fs (sdd1): mounted filesystem with ordered data mode. Opts: (null)
[ 1111.513579] perf samples too long (2508 > 2500), lowering kernel.perf_event_max_sample_rate to 50000