freebsd-stable Digest, Vol 714, Issue 4

[julien levieil]

Nan pose comme ça c'est très bien !
Au pire première semaine d'Aoüt jpourrai garder les loulou un peut ;) enfin si tu veux bien :)

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De: freebsd-stable-request at freebsd.org
À: freebsd-stable at freebsd.org
Envoyé: Jeudi 6 Avril 2017 23:00:00
Objet: freebsd-stable Digest, Vol 714, Issue 4

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Today's Topics:

   1. Unsupported USB BT device causes high interrupt load
      (Dominic Fandrey)


----------------------------------------------------------------------

Message: 1
Date: Thu, 6 Apr 2017 12:16:35 +0200
From: Dominic Fandrey <kami at freebsd.org>
To: freebsd-stable at freebsd.org
Subject: Unsupported USB BT device causes high interrupt load
Message-ID: <20170406121635.99a513360faaf2f40992fb8a at freebsd.org>
Content-Type: text/plain; charset="us-ascii"

I have an Interrupt load of 2000 interrupts/s from xhci0.

As the culprit I have identified the following device:

ugen0.6: <vendor 0x8087 product 0x07dc> at usbus0, cfg=255 md=HOST spd=FULL (12Mbps) pwr=ON (100mA)

The impression I have from googling this is that it's an unsupported
BT device sitting on board of my Intel Wireless AC 7260 card (I also
have an unsupported SD/MMC card reader sitting on the mainboard).

usbconfig -d 0.6 power_off

Ends the interrupt spree.

I'm running FreeBSD 11.0-STABLE #1 r316490 amd64.

-- 
A: Because it fouls the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail? 

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