Interrupt storm from XHCI

raichoo raichoo at googlemail.com
Wed May 3 08:48:20 UTC 2017


Hi,

I've recently installed FreeBSD CURRENT on my Lenovo Thinkpad X1 Carbon
(3rd gen). I'm
using this source tree since I'd like to have KMS https://github.com/
FreeBSDDesktop/freebsd-base-graphics

Anyway. systat reports 2/3 of the interrupts being fired by XHCI (around
1600+) even though
there is no device plugged in. (I've compiled a custom kernel where the
driver is not compiled
into the kernel so at least this is not a permanent issue for me).

I'm not quite sure how to provide more information on the issue and how to
proceed here so pointers would be highly appreciated.

Kind regards,
raichoo


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