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Date:      Thu, 6 Apr 2017 17:28:29 -0400 (EDT)
From:      julien levieil <julien@levieil.fr>
To:        freebsd-stable@freebsd.org
Subject:   Re: freebsd-stable Digest, Vol 714, Issue 4
Message-ID:  <2045203797.3766.1491514109923.JavaMail.zimbra@levieil.fr>
In-Reply-To: <mailman.15.1491480000.83981.freebsd-stable@freebsd.org>
References:  <mailman.15.1491480000.83981.freebsd-stable@freebsd.org>

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Nan pose comme =C3=A7a c'est tr=C3=A8s bien !
Au pire premi=C3=A8re semaine d'Ao=C3=BCt jpourrai garder les loulou un peu=
t ;) enfin si tu veux bien :)

----- Mail original -----
De: freebsd-stable-request@freebsd.org
=C3=80: freebsd-stable@freebsd.org
Envoy=C3=A9: 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@freebsd.org>
To: freebsd-stable@freebsd.org
Subject: Unsupported USB BT device causes high interrupt load
Message-ID: <20170406121635.99a513360faaf2f40992fb8a@freebsd.org>
Content-Type: text/plain; charset=3D"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=3D255 md=3DHOST spd=
=3DFULL (12Mbps) pwr=3DON (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.

--=20
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?=20

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