From owner-freebsd-hackers@freebsd.org Mon Mar 11 06:36:25 2019 Return-Path: Delivered-To: freebsd-hackers@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 C4E021532507 for ; Mon, 11 Mar 2019 06:36:25 +0000 (UTC) (envelope-from darius@dons.net.au) Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by mx1.freebsd.org (Postfix) with ESMTP id E05BB84D3E for ; Mon, 11 Mar 2019 06:36:22 +0000 (UTC) (envelope-from darius@dons.net.au) Received: from 124-148-131-52.dyn.iinet.net.au (HELO midget.dons.net.au) ([124.148.131.52]) by ipmail06.adl2.internode.on.net with ESMTP; 11 Mar 2019 17:01:11 +1030 Received: from midget.dons.net.au (localhost [127.0.0.1]) by midget.dons.net.au (8.15.2/8.15.2) with ESMTPS id x2B6Uh1R071231 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 11 Mar 2019 17:01:06 +1030 (ACDT) (envelope-from darius@dons.net.au) Received: (from mailnull@localhost) by midget.dons.net.au (8.15.2/8.15.2/Submit) id x2B6RDVd067480 for ; Mon, 11 Mar 2019 16:57:13 +1030 (ACDT) (envelope-from darius@dons.net.au) X-Authentication-Warning: midget.dons.net.au: mailnull set sender to using -f Received: from [10.0.2.26] ([10.0.2.26]) by ns.dons.net.au (envelope-sender ) (MIMEDefang) with ESMTP id x2B6RD8O067476; Mon, 11 Mar 2019 16:57:13 +1030 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\)) Subject: Re: USB stack getting confused From: "O'Connor, Daniel" In-Reply-To: <1BBD445B-9A27-4BE7-9B60-04BE0814D7CA@dons.net.au> Date: Mon, 11 Mar 2019 16:57:12 +1030 Cc: Konstantin Belousov , Warner Losh , FreeBSD Hackers Content-Transfer-Encoding: quoted-printable Message-Id: References: <3B29D870-41F9-46AF-B9F3-03106DEC417D@dons.net.au> <20190309152613.GM2492@kib.kiev.ua> <20190309162640.GN2492@kib.kiev.ua> <20190309192330.GO2492@kib.kiev.ua> <20190310094758.GP2492@kib.kiev.ua> <35f69493-4bbb-4142-b61a-3e90adc8777b@selasky.org> <20190310102629.GQ2492@kib.kiev.ua> <40bf77e0-47a5-6edc-b5d0-58e3c44988ac@selasky.org> <030A0C16-4508-4C7C-A87C-72B69B15EDF5@dons.net.au> <1BBD445B-9A27-4BE7-9B60-04BE0814D7CA@dons.net.au> To: Hans Petter Selasky X-Mailer: Apple Mail (2.3445.102.3) X-Spam-Score: -1 () No, score=-1.0 required=5.0 tests=ALL_TRUSTED autolearn=unavailable autolearn_force=no version=3.4.1 X-Scanned-By: MIMEDefang 2.83 on 10.0.2.1 X-Rspamd-Queue-Id: E05BB84D3E X-Spamd-Bar: +++++ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [5.39 / 15.00]; MV_CASE(0.50)[]; HAS_XAW(0.00)[]; TO_DN_ALL(0.00)[]; MX_GOOD(-0.01)[cached: midget.dons.net.au]; RCVD_NO_TLS_LAST(0.10)[]; RECEIVED_SPAMHAUS_PBL(0.00)[52.131.148.124.zen.spamhaus.org : 127.0.0.11]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; ASN(0.00)[asn:4739, ipnet:150.101.0.0/16, country:AU]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_IN_DNSWL_LOW(-0.10)[129.137.101.150.list.dnswl.org : 127.0.5.1]; ARC_NA(0.00)[]; RCVD_COUNT_FIVE(0.00)[5]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; NEURAL_SPAM_SHORT(0.91)[0.908,0]; MIME_GOOD(-0.10)[text/plain]; IP_SCORE(1.09)[ip: (4.20), ipnet: 150.101.0.0/16(0.97), asn: 4739(0.33), country: AU(-0.04)]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; AUTH_NA(1.00)[]; DMARC_NA(0.00)[dons.net.au]; NEURAL_SPAM_MEDIUM(1.00)[0.999,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_SPAM_LONG(1.00)[1.000,0]; R_SPF_NA(0.00)[]; FREEMAIL_CC(0.00)[gmail.com] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Mar 2019 06:36:26 -0000 > On 11 Mar 2019, at 15:00, O'Connor, Daniel wrote: >=20 >=20 >=20 >> On 11 Mar 2019, at 14:27, O'Connor, Daniel = wrote: >> I can dig into the kernel part if you want but will need some = guidance where to look.. >=20 > Note that I put a dtrace probe on ugen_open and usb_fifo_open and it = does not fire for 0.5, eg.. > [maarsytest 4:28] ~> sudo dtrace -s ~/usb_fifo.d 2324 > Password: > dtrace: script '/home/radar/usb_fifo.d' matched 4 probes > CPU ID FUNCTION:NAME > 2 65418 openat:entry Open: = /home/radar/ud3/run/experiment.stemp > 0 65418 openat:entry Open: = /local0/Measurements/Phasetest/20190311-0428.noise > 2 65418 openat:entry Open: = /home/radar/ud3/lib/acquisition//integrate.plugin > 3 65418 openat:entry Open: /dev/ugsio0.ud > 3 12030 usb_fifo_open:entry Ugen: ugen0.2 f_open: = ffffffff822946a0 > 3 12031 usb_fifo_open:return Return: 0 Errno: 9 > 3 65418 openat:entry Open: /dev/ussio0.ud > 0 65418 openat:entry Open: /dev/usbctl > 0 65418 openat:entry Open: /dev/ugen0.1 > 0 12030 usb_fifo_open:entry Ugen: ugen0.1 f_open: = ffffffff8093fd00 > 0 12102 ugen_open:return Return: 0 Errno: 0 > 0 12031 usb_fifo_open:return Return: 0 Errno: 0 > 0 12030 usb_fifo_open:entry Ugen: ugen0.1 f_open: = ffffffff8093fd00 > 0 12102 ugen_open:return Return: 0 Errno: 0 > 0 12031 usb_fifo_open:return Return: 0 Errno: 0 > 3 65418 openat:entry Open: /dev/ugen0.2 > 3 12030 usb_fifo_open:entry Ugen: ugen0.2 f_open: = ffffffff8093fd00 > 3 12102 ugen_open:return Return: 0 Errno: 0 > 3 12031 usb_fifo_open:return Return: 0 Errno: 0 > 3 12030 usb_fifo_open:entry Ugen: ugen0.2 f_open: = ffffffff8093fd00 > 3 12102 ugen_open:return Return: 0 Errno: 0 > 3 12031 usb_fifo_open:return Return: 0 Errno: 0 > 3 65418 openat:entry Open: /dev/ugen0.3 > 3 12030 usb_fifo_open:entry Ugen: ugen0.3 f_open: = ffffffff8093fd00 > 3 12102 ugen_open:return Return: 0 Errno: 0 > 3 12031 usb_fifo_open:return Return: 0 Errno: 0 > 3 12030 usb_fifo_open:entry Ugen: ugen0.3 f_open: = ffffffff8093fd00 > 3 12102 ugen_open:return Return: 0 Errno: 0 > 3 12031 usb_fifo_open:return Return: 0 Errno: 0 > 1 65418 openat:entry Open: /dev/ugen0.4 > 1 12030 usb_fifo_open:entry Ugen: ugen0.4 f_open: = ffffffff8093fd00 > 1 12102 ugen_open:return Return: 0 Errno: 0 > 1 12031 usb_fifo_open:return Return: 0 Errno: 0 > 1 12030 usb_fifo_open:entry Ugen: ugen0.4 f_open: = ffffffff8093fd00 > 1 12102 ugen_open:return Return: 0 Errno: 0 > 1 12031 usb_fifo_open:return Return: 0 Errno: 0 > 1 65418 openat:entry Open: /dev/ugen0.5 I just realised I can check procstat for open file, derp. [maarsytest 6:26] ~> procstat -f 2324|grep 0.5.0| wc 64 640 4928 So I guess that is why it is giving ENOMEM, I'm leaking FDs! -- Daniel O'Connor "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum