Comment 6 for bug 381300

> Have you tried any of the other schedulers other than noop....

elevator=as work quite well in my case, don't know about elevator=deadline but I can test it...

> ...noop is unlikely to be the correct choice for rotating media.

May be it's not the fastest choice, but it work and doesn't cause system slowdown.
By the way, when SSD become popular it will be the default.