From owner-freebsd-usb@freebsd.org Thu Jan 3 10:05:50 2019 Return-Path: Delivered-To: freebsd-usb@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 20D831423473 for ; Thu, 3 Jan 2019 10:05:50 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [IPv6:2a01:4f8:c17:6c4b::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A43626DBF1 for ; Thu, 3 Jan 2019 10:05:48 +0000 (UTC) (envelope-from hps@selasky.org) Received: from hps2016.home.selasky.org (unknown [176.74.212.121]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 6819F26035E for ; Thu, 3 Jan 2019 11:05:45 +0100 (CET) Subject: Re: r342378: usbconfig takes 3-5 minutes to read the bus To: freebsd-usb@freebsd.org References: <20190101135156.GA3557@c720-r342378> <3ac801b2-899a-ee09-1398-ecab6ec7130a@selasky.org> <20190102104853.GA2622@c720-r342378> <4bf80067-8e3a-572f-c1b5-ae83b1c40c22@selasky.org> <20190102154701.GA13702@c720-r342378> <2f013cf9-b073-04fd-9932-079f86fa24b1@selasky.org> <20190103060431.GA2711@c720-r342378> <5950d771-ffa9-9325-b102-295fd092052e@selasky.org> <20190103094850.GA2595@c720-r342378> From: Hans Petter Selasky Message-ID: <076e01a2-51e7-b140-28c9-1c58d034327b@selasky.org> Date: Thu, 3 Jan 2019 11:03:26 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <20190103094850.GA2595@c720-r342378> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: A43626DBF1 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 2a01:4f8:c17:6c4b::2 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-6.14 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-usb@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; DMARC_NA(0.00)[selasky.org]; MX_GOOD(-0.01)[mail.turbocat.net]; NEURAL_HAM_SHORT(-0.98)[-0.977,0]; IP_SCORE(-2.86)[ip: (-9.09), ipnet: 2a01:4f8::/29(-2.75), asn: 24940(-2.43), country: DE(-0.01)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/29, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Jan 2019 10:05:50 -0000 On 1/3/19 10:48 AM, Matthias Apitz wrote: > Is there a way log log any init call to libusb.so to see which process > is doing something with libusb.so after devd(8) started pcscd? Hi, You can add a print in the kernel sys/dev/usb/usb_generic.c in the function: static int ugen_open(struct usb_fifo *f, int fflags) printf("USB opened by PID %d %s\n", curthread->td_proc->p_pid, curthread->td_proc->p_comm); > Index: sys/dev/usb/usb_generic.c > =================================================================== > --- sys/dev/usb/usb_generic.c (revision 342455) > +++ sys/dev/usb/usb_generic.c (working copy) > @@ -185,6 +185,8 @@ > > DPRINTFN(6, "flag=0x%x\n", fflags); > > + printf("USB opened by PID %d %s\n", curthread->td_proc->p_pid, curthread->td_proc->p_comm); > + > mtx_lock(f->priv_mtx); > switch (usbd_get_speed(f->udev)) { > case USB_SPEED_LOW: --HPS