[Bug 213713] xhci and ehci interrupt storms

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213713

Hans Petter Selasky <hselasky at FreeBSD.org> changed:

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                 CC|                            |hselasky at FreeBSD.org

--- Comment #1 from Hans Petter Selasky <hselasky at FreeBSD.org> ---
Can you set xhci.debug=32 and ehci.debug=32

That will reveal the interrupts that are happening.

There hasn't been any IRQ related changes recently in the USB code, so I
suspect this is something more generic.

--HPS

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