Re: PROBLEM: OHCI watchdog timeouts inside VirtualBox, probably due to timer wheel rework

From: Thomas Gleixner
Date: Fri Oct 21 2016 - 15:47:46 EST

On Fri, 21 Oct 2016, Michal Necasek wrote:

> I'll get back to you on whether increasing the timeout helps, it'll take
> a bit of testing. Does it actually sound plausible that some controllers
> could not get things done in 250ms but could in 275ms?

There is a bug in the new timer wheel code, which causes a timer to fire
way too early. That USB timeout is just exposing the issue.

We do not yet understand the issue completely, but we are working on it.