Comment 2 for bug 1451277

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Sergio Callegari (callegar) wrote : Re: Extremely high IOWait and processes hungs after utopic->vivid upgrade

After more research, I can confirm the bug and I hope I have also determined the cause...

1) Bug also happens when booting from the vivid iso image... so it is not dependent from leftovers due to the utopic->vivid upgrade.

2) Bug stops manifesting if I detach the IOMEGA ZIP drive (with ide connection) that I have in this machine

I understand that the piece of hardware is obsolete, but it was working just fine with utopic.

It is still not clear too me if the bug is in the kernel itself or in something in the system that causes it to be polled too frequently.

Please, propagate upstream.