From owner-freebsd-stable@freebsd.org Thu Apr 13 00:19:58 2017 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 73DB3D3B6EC for ; Thu, 13 Apr 2017 00:19:58 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-wm0-x236.google.com (mail-wm0-x236.google.com [IPv6:2a00:1450:400c:c09::236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0C45A7FB; Thu, 13 Apr 2017 00:19:58 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-wm0-x236.google.com with SMTP id t189so35673701wmt.1; Wed, 12 Apr 2017 17:19:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=Ad64DXA4FOfQuqic3yl4a8Ua0cDI1qTZ5dkL561egos=; b=o2NNQBOjgg+n5q/FLoXCJIyCEr/jJ4g/oqz6pKyz5Bv+v/DPUgHMZnAuGTQrxushbk fq8z3SPN1CL2FBMvF5jqTtnBtXQq2DBbPR4RVoBUeRKmIHQUCzAccbSDSNYKWy/WsaGV Zc0TUtBazRsXGTSTXZ2ERgm7nAd11WIJo485ATI/vdaakJYerdrX/psGyt/8Z7sn6MH8 eyy5FpJ9+cmBUOIEkhhJh0mEYQzYmqdwD4x9o8yCn5xctNBbN63sfgbaVe5bgQVQ21O6 Rfm0BBQqKZxZ3IocadhPMHRKBuGoVtyn5dUwfJXC0bXOodonvhwdJknkBs+14X6Z+Sf1 PwzA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=Ad64DXA4FOfQuqic3yl4a8Ua0cDI1qTZ5dkL561egos=; b=MnYMRbGytcCj/yFX5LLIEAfTWzfQN6PugVDjfh8A21Z0XPejtkjqhpoLYchRRW2lHE 4gnzcUsds2uk4V/2J8XzGF54+REk/yT0rf+sKuh9V+OHTBn1cJfbVDEn+6gGpSWXBlD8 Xwn4s0ibUamLjrdYxasepr2/DIH7w7ymLwMMBRNCeQExX+V6siFEHI9nm1bbrRr6k9ii KZit/wIJxxT8CEOzcD/4dO/Q9SFuDnfvrhOMqQ0AYJ50GddcPJF/xAjdfMEkMUibiodH EEvGUsBaMaFzaDmfpxSHdHpKndHRXokV7Tnj+dBZeBaPglZ8rHt/1NwyD4mT82XdQbLf YFug== X-Gm-Message-State: AN3rC/4yEKpW8RzuB0wgp1FEZdHraPf2ncfdjLWVDb96mpSwp+25BT3N s5SqJA816BsUAXY7GxMbZCOWt8M5wNae X-Received: by 10.28.151.137 with SMTP id z131mr21178024wmd.138.1492042795105; Wed, 12 Apr 2017 17:19:55 -0700 (PDT) MIME-Version: 1.0 Received: by 10.28.185.66 with HTTP; Wed, 12 Apr 2017 17:19:54 -0700 (PDT) In-Reply-To: <20170406121635.99a513360faaf2f40992fb8a@freebsd.org> References: <20170406121635.99a513360faaf2f40992fb8a@freebsd.org> From: Adrian Chadd Date: Wed, 12 Apr 2017 17:19:54 -0700 Message-ID: Subject: Re: Unsupported USB BT device causes high interrupt load To: Dominic Fandrey Cc: FreeBSD Stable Mailing List Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Apr 2017 00:19:58 -0000 can you capture a usb transfer dump from usbdump ? I'd like to see if it's because the usb bluetooth code is trying to attach and failing, or whether it really is just some broken transfer / notification loop. -a On 6 April 2017 at 03:16, Dominic Fandrey wrote: > I have an Interrupt load of 2000 interrupts/s from xhci0. > > As the culprit I have identified the following device: > > ugen0.6: 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? >