iowait is the percentage of time that the CPU was idle during which the system had an outstanding disk I/O request.

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SSD causes occasional 100% iowait and freeze. How can i fix this?

My Problem: Sometimes my Computer or just some applications freeze and i can see iowait (with system-monitor-tool) jump to 100% (on some or all cores) for like 15 seconds. This is extremely annoying. ...
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very high IOWait + extremely slow hdparm -tT

I have been running 12.04 on my Fujitsu Siemens Lifebook E751 for almost a year without any problems, and then several days ago I noticed a very high CPU IOwait that makes the system poorly responsive ...
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395 views

Machine stops suddenly, Only hard reset can help

It is happens sometimes, im just working and suddenly machine starts lagging. Then it can totaly stops (Nothing works, mouse, keyboard etc.), or sometimes not. Jun 5 16:04:12 c0rp kernel: [ ...
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Iowait is high and my laptop is freezing up. I think I have found the problem but how can I fix it?

My laptop has been freezing up for long periods of time. I used system monitor to see what the problem was but nothing stood out. I then installed the system load indicator and could see that the ...