From owner-freebsd-current@freebsd.org Sat Dec 7 02:29:54 2019 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 1BE381C43BF for ; Sat, 7 Dec 2019 02:29:54 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-ot1-x341.google.com (mail-ot1-x341.google.com [IPv6:2607:f8b0:4864:20::341]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47VD1s25Kwz4JBL for ; Sat, 7 Dec 2019 02:29:52 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: by mail-ot1-x341.google.com with SMTP id p8so7524281oth.10 for ; Fri, 06 Dec 2019 18:29:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:cc:references:from:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=cSzmxhB1e5CkKOmJYu31MfUZKAWxr6Q3IhnULEdfWI4=; b=cSYJmYVzfGG9g20LqoykCJUzYM8saRKVKfZ7X78XBUwsXJ8AvTxC32zlnMI56Ewtbt 4vDkinemsMvJeJYVjNAjAYAmFVEOwueNZqVhIDIOnMMKsuMNaSMCduqIfI8/CvvIRAsq 2heYTh4tz4FErcXUjTf30kt2dlKmSplb3ORmKpW/1kkZ/Ve90tRcOvdS+js6fDHhHsni KNXAh1lvfAmA9t+8AMyFciAFQgEH319HSeM8ducVFspcGhXvdHFUjsqecNVeuMi4ETBG 92CX82KDprreDV+rA3RjPU9JaXjTW9zFJFwJG9DB7gR2mhrpNgW2FXRsvUoWQPU9xNcV MMFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=cSzmxhB1e5CkKOmJYu31MfUZKAWxr6Q3IhnULEdfWI4=; b=MVdZBgbA8/DvJrNvIKxG/O4Ql0SPVg2lmvBSQo5D8z6+o9jDoIlBFTMwftiOE8KipC WJkaRKzBMx0OcPBGjlKK/hoGL3XiZohEuj42sK44p8wIsQ4JZKivDLYroi/L+DJn++4V 0z82yraRifI/3tKNwv6nYJA4ho4FeDVRn4Fu1/HSXA44FFVxiuzoLiXvWxIGnOms/kJI 1gCrlljnAUZJFPeG0IAWRUNhEbioVwIIm9EuSmnBsPeA7udbTSgx4mEjODwoY3OUys7g oHqv6zEXeZE3++V7wy4meBVmtvovomkyI/bLtssIsU2+ir/ZsoZ4/lkj0f5x7dOBqDjW woCQ== X-Gm-Message-State: APjAAAW1FkAJM+bfWZAIEfCk7RtaPnR0wUaRPkbXJ7eAu7AS8lIXJc+Q T6mitsLA2oHk5mWyy2skrE8vYASe X-Google-Smtp-Source: APXvYqyW1Vh6NEh6TCBVYaZaK5d4QYZJbMH9ztsasccsQAqJAPZqFIX0VOi1Qb7bJcMZqXA6uMXH3Q== X-Received: by 2002:a05:6830:10d5:: with SMTP id z21mr14181654oto.30.1575685791196; Fri, 06 Dec 2019 18:29:51 -0800 (PST) Received: from spectre.mavhome.dp.ua ([2600:1700:3580:3560:228:f8ff:fe04:d12]) by smtp.gmail.com with ESMTPSA id b20sm5634819oib.1.2019.12.06.18.29.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Dec 2019 18:29:50 -0800 (PST) Sender: Alexander Motin Subject: Re: CAM breaks USB [was Re: USB causing boot to hang] To: sgk@troutmask.apl.washington.edu Cc: Warner Losh , FreeBSD Current References: <20191206202316.GA1053@troutmask.apl.washington.edu> <20191206223144.GA3224@troutmask.apl.washington.edu> <20191206225231.GA949@troutmask.apl.washington.edu> <20191206234105.GA1027@troutmask.apl.washington.edu> <3df3ff25-9f62-6f0f-7823-e846a43725eb@FreeBSD.org> <20191207020809.GA1234@troutmask.apl.washington.edu> From: Alexander Motin Autocrypt: addr=mav@FreeBSD.org; prefer-encrypt=mutual; keydata= mQENBFOzxAwBCADkPrax0pI2W/ig0CK9nRJJwsHitAGEZ2HZiFEuti+6/4UVxj81yr4ak/4g 9bKUyC7rMEAp/ZHNhd+MFCPAAcHPvtovnfykqE/vuosCS3wlSLloix2iKVLks0CwbLHGAyne 46lTQW74Xl/33c3W1Z6d8jD9gVFT/xaVzZ0U9xdzOmsYAZaAj4ki0tuxO9F7L+ct9grRe7iP g8t9hai7BL4ee3VRwk2JXnKb7UvBiVITKYWKz1jRvZIrjPokgEcCLOSlv7x/1kjuFnj3xWZU 7HSFFT8J93epBbrSSCsYsppIk2fZH41kaaFXsMQfTPH8wkeM6qwrvOh4HiQM08R+9tThABEB AAG0IUFsZXhhbmRlciBNb3RpbiA8bWF2QEZyZWVCU0Qub3JnPokBVwQTAQoAQQIbAwULCQgH AwUVCgkICwUWAwIBAAIeAQIXgAIZARYhBOmM88TmnMPNDledVYMYw5VbqyJ/BQJZYMKuBQkN McyiAAoJEIMYw5VbqyJ/tuUIAOG3ONOSNYqjK4eTZ1TVh9jdUBAhWk5nhDFnODN49Wj0AbYm 7aIqy8O1hnCDSZG5LttjSAo3UfXJZDKQM0BLb0gpRMBnAYqO6tdolLNqAbPGJBnGoPjsh24y 6KcbDaNnis+lD4GwPXwQM+92wZGhCUFElPV9NciZGVS65TNIgk7X+yEjjhD1MSWKKijZ1r9Z zIt4OzUTxxNOvzdlABZS88nNRdJkatOQJPmFdd1mpP6UzTNCiLUo1pIqOEtJgvVVDYq5WHY6 tciWWYdmZG/tIBexJmv2mV2OLVjXR6ZeKmntVH14H72/wRHJuYHQC+r5SVRcWWayrThsY6jZ Yr4+raS5AQ0EU7PEDAEIAOZgWf2cJIu+58IzP2dkXE/urj3tr4OqrB/yHGWUf71Lz6D0Fi6Z AXgDtmcFLGPfMyWuLAvSM+xmoguk7zC4hRBYvQycmIhuqBq1jO1Wp/Z+lpoPM/1cDYLn8Flv mI/c40MhUZh345DA4jYWWaZNjQHUWVQ1fPf595vdVVMPT/abE8E5DaF6fSkRmqFTmfYRkfbt 3ytU8NdUapDcJVY7cEP2nJBVNZPnOIObR/ZIgSxjjrG5o34yXoqeup8JvwEv+/NylzzuyXEZ R1EdEIzQ/a1nh/0j4NXtzZEqKW4aTWlmSqb6wN8jh1OSOOqkYsfnE3nfxcZbxi4IRoNQYlm5 9R8AEQEAAYkBPAQYAQoAJgIbDBYhBOmM88TmnMPNDledVYMYw5VbqyJ/BQJZYMLYBQkNMczM AAoJEIMYw5VbqyJ/TqgH/RQHClkvecE0262lwKoP/m0Mh4I5TLRgoJJn8S7G1BnqohYJkiLq A6xe6urGD7OqdNAl12UbrjWbdJV+zvea3vJoM4MZuYiYrGaXWxzFXqWJcPwMU9sAh8MRghHu uC5vgPb45Tnftw9/+n0i8GfVhQhOqepUGdQg4NPcXviSkoAvig6pp9Lcxisn0groUQKt15Gc sS9YcQWg3j9Hnipc6Mu416HX98Fb113NHJqc2geTHLkRyuBFOoyIqB6N9GKjzOAIzxxsVdl9 TevwGsrp4M4/RFzWbSgsbOnbE7454lmuVZGfReEjnUm8RHp9Q2UWKXlp3exlZjvOp/uVEpCg lz65AQ0EU7PEDAEIAOZgWf2cJIu+58IzP2dkXE/urj3tr4OqrB/yHGWUf71Lz6D0Fi6ZAXgD tmcFLGPfMyWuLAvSM+xmoguk7zC4hRBYvQycmIhuqBq1jO1Wp/Z+lpoPM/1cDYLn8FlvmI/c 40MhUZh345DA4jYWWaZNjQHUWVQ1fPf595vdVVMPT/abE8E5DaF6fSkRmqFTmfYRkfbt3ytU 8NdUapDcJVY7cEP2nJBVNZPnOIObR/ZIgSxjjrG5o34yXoqeup8JvwEv+/NylzzuyXEZR1Ed EIzQ/a1nh/0j4NXtzZEqKW4aTWlmSqb6wN8jh1OSOOqkYsfnE3nfxcZbxi4IRoNQYlm59R8A EQEAAYkBPAQYAQoAJgIbDBYhBOmM88TmnMPNDledVYMYw5VbqyJ/BQJZYMLYBQkNMczMAAoJ EIMYw5VbqyJ/TqgH/RQHClkvecE0262lwKoP/m0Mh4I5TLRgoJJn8S7G1BnqohYJkiLqA6xe 6urGD7OqdNAl12UbrjWbdJV+zvea3vJoM4MZuYiYrGaXWxzFXqWJcPwMU9sAh8MRghHuuC5v gPb45Tnftw9/+n0i8GfVhQhOqepUGdQg4NPcXviSkoAvig6pp9Lcxisn0groUQKt15GcsS9Y cQWg3j9Hnipc6Mu416HX98Fb113NHJqc2geTHLkRyuBFOoyIqB6N9GKjzOAIzxxsVdl9Tevw Gsrp4M4/RFzWbSgsbOnbE7454lmuVZGfReEjnUm8RHp9Q2UWKXlp3exlZjvOp/uVEpCglz4= Message-ID: Date: Fri, 6 Dec 2019 21:29:49 -0500 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.0 MIME-Version: 1.0 In-Reply-To: <20191207020809.GA1234@troutmask.apl.washington.edu> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 47VD1s25Kwz4JBL X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=cSYJmYVz; dmarc=none; spf=pass (mx1.freebsd.org: domain of mavbsd@gmail.com designates 2607:f8b0:4864:20::341 as permitted sender) smtp.mailfrom=mavbsd@gmail.com X-Spamd-Result: default: False [-2.44 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; DMARC_NA(0.00)[FreeBSD.org]; TO_DN_SOME(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCVD_IN_DNSWL_NONE(0.00)[1.4.3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; IP_SCORE(-0.25)[ip: (2.98), ipnet: 2607:f8b0::/32(-2.23), asn: 15169(-1.93), country: US(-0.05)]; FORGED_SENDER(0.30)[mav@FreeBSD.org,mavbsd@gmail.com]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[mav@FreeBSD.org,mavbsd@gmail.com]; MID_RHS_MATCH_FROM(0.00)[] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 07 Dec 2019 02:29:54 -0000 On 06.12.2019 21:08, Steve Kargl wrote: > On Fri, Dec 06, 2019 at 07:09:55PM -0500, Alexander Motin wrote: >> On 06.12.2019 18:41, Steve Kargl wrote: >>> On Fri, Dec 06, 2019 at 06:15:32PM -0500, Alexander Motin wrote: >>>> On 06.12.2019 17:52, Steve Kargl wrote: >>>>> On Fri, Dec 06, 2019 at 03:33:09PM -0700, Warner Losh wrote: >>>>>> On Fri, Dec 6, 2019 at 3:31 PM Steve Kargl >>>>>> wrote: >>>>>>> The problem seems to be caused 355010. This is a commit to >>>>>>> fix CAM, which seems to break USB. >>>>>>> >>>>>> Yes. mav@ made this change... >>>>>> >>>>> src/UPDATING seems to be missing an entry about CAM breaking USB. >>>> >>>> And also that moon is made of cheese. :-\ >>> >>> Not sure what you mean. >> >> I mean that if we are going to write there random fairy-tales, then I >> prefer my moon. >> >> If serious, then my change did not change semantics of any existing >> tunables, only the way some of them are implemented, so there was >> nothing to write in UPDATING. > > The system boots at 355009. > The system hangs at 355010. > > How about adding: After revision 355010, the cam subsystem may cause > the usb subsystem to hang during boot. It is recommended to disable usb. > > You even hint at problems in your original commit message. All I told in the commit message, is that my change may not fix all existing USB boot problems. That is it. Nothing more. I would not commit any change with known problems. And I am still not convinced that it is a problem of my change, not some other pre-existing problem triggered by it. -- Alexander Motin