Date: Wed, 12 Apr 2017 17:19:54 -0700 From: Adrian Chadd <adrian.chadd@gmail.com> To: Dominic Fandrey <kami@freebsd.org> Cc: FreeBSD Stable Mailing List <freebsd-stable@freebsd.org> Subject: Re: Unsupported USB BT device causes high interrupt load Message-ID: <CAJ-VmomOVHXhq2P1az-FqY7TfU0DW-4E7uqJP5Y7tK5puieJxA@mail.gmail.com> In-Reply-To: <20170406121635.99a513360faaf2f40992fb8a@freebsd.org> References: <20170406121635.99a513360faaf2f40992fb8a@freebsd.org>
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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 <kami@freebsd.org> wrote: > 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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