From owner-freebsd-embedded@freebsd.org Sat Feb 27 13:54:22 2016 Return-Path: Delivered-To: freebsd-embedded@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 27260AB6F23 for ; Sat, 27 Feb 2016 13:54:22 +0000 (UTC) (envelope-from johannes@brilliantservice.co.jp) Received: from mail-vk0-x230.google.com (mail-vk0-x230.google.com [IPv6:2607:f8b0:400c:c05::230]) (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 D2BD0187F for ; Sat, 27 Feb 2016 13:54:21 +0000 (UTC) (envelope-from johannes@brilliantservice.co.jp) Received: by mail-vk0-x230.google.com with SMTP id e185so99864409vkb.1 for ; Sat, 27 Feb 2016 05:54:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brilliantservice-co-jp.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc; bh=LRyVWum2cdhqHlqPjajT0veoSctemdv7RLmN3il8w7U=; b=yL+f2aScoulwTNjxpWiK60dkdivnW6lyHg59P/JK7VG931uzvbzQ0VVcsKFU2kGS+s h6N6VcCNW3DF9R/NxwP2DCxggHtObtvceBYMfY6jSETa2/aKeBRAhbtRZGaToiDlJSme zmu5K1y/Gvkj3bHW2JO2J9/UUyXe5IvmWeD00ITq5/jRzuGgqNulvf4TivKxAPouZslh qOJRtLV3hBUIFANfU01H8yyI4IaNNPNyo0r0UShoKinEt7m7zkf34x/nePr2y0bKMV70 J3OsIZ+waxzuOglxsMSbfxUkZwf//ObqMEBpdMaAIPe0tmGcd4EhctB6aWj6sIB7+AgA 90YA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc; bh=LRyVWum2cdhqHlqPjajT0veoSctemdv7RLmN3il8w7U=; b=mY4r4biSkLYKMbWjJHdKkxjiEE8f+/5lzric8W/cuN3vaX1HweeIegkVz48HpB2Bwo HdaW5Rs61ifnCYHEXcxG1fbA9yfIp0JNtKZYiT0BcqTxJQMF7y5ECQUQ49UbxyAuKH9E RSJ5fnkbRS3DUmuxZ6U27Jqgt2gKFzKzGdeboe5qnea9KlJaq1i4gWMacbaXs4+zKoRq lvbs/AUibFQfWqGMGKGNXVDnwLJCHw43dDf/I6/kvB9TVPahiuJcab3tbRYcLLGZSBUQ iyW79OsNbN4zsjZk/XNAaJ9YzFnHdKQCmMPnFgjblozOPTUVwgqjDENHpYLQvhiU4xqK foZQ== X-Gm-Message-State: AD7BkJKbeL0ypixDk3d0s4yvM3euZLc5lfiKTKYKH4ciNxkGaxXch5wVi/5zfmZEPCommNR4uA41h+SEKhH7Gq5a5fzuAuHJ+oOkFsh4wsYqsPyy93GuCTXr8Rp3ZMdqeMRJfy3cMXY5eLHMDYNcBe6hCBF5 MIME-Version: 1.0 X-Received: by 10.31.58.83 with SMTP id h80mr4967284vka.149.1456581260885; Sat, 27 Feb 2016 05:54:20 -0800 (PST) Received: by 10.159.36.197 with HTTP; Sat, 27 Feb 2016 05:54:20 -0800 (PST) In-Reply-To: <20160227172039.F26318@sola.nimnet.asn.au> References: <4E9118B0-FC9F-444F-B277-3E5BAE75C723@xcllnt.net> <20160227172039.F26318@sola.nimnet.asn.au> Date: Sat, 27 Feb 2016 05:54:20 -0800 Message-ID: Subject: Re: hint.uart.1 in device.hints causes freeze at boot From: "Lundberg, Johannes" To: Ian Smith Cc: Warner Losh , Marcel Moolenaar , "freebsd-mobile@freebsd.org" , "freebsd-embedded@freebsd.org" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-embedded@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Dedicated and Embedded Systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 Feb 2016 13:54:22 -0000 >though I've no clue why or how that should cause a boot failure? Verbose logging don't give any clues either.. It just stops. On Friday, February 26, 2016, Ian Smith wrote: > On Fri, 26 Feb 2016 23:08:37 -0700, Warner Losh wrote: > > (freebsd-current dropped; it'd only bounce) > > > Better still would be to split the current GENERIC.hints into two > > bits. One that was strictly for legacy (!ACPI and !PNPBIOS) > > situations, and one that we always load. There look to be at least a > > couple of hints that are universally relevant still. I might have a > > 200MHz pentium I can test this with... > > Still need a few old dogs in the kennel to taste test new dogfood .. > > > As near as I can tell, only the following are relevant: > > hint.fd.0.at=3D"fdc0" > > hint.fd.0.drive=3D"0" > > hint.fd.1.at=3D"fdc0" > > hint.fd.1.drive=3D"1" > > hint.acpi_throttle.0.disabled=3D"1" > > hint.p4tcc.0.disabled=3D"1" > > > > and maybe > > > > hint.apm.0.disabled=3D"1" > > > > The floppy is for systems that have it, but won't add a floppy > > controller. APM hasn't been relevant since ~100MHz Pentium. > > I still admin a 300MHz Celeron laptop (Compaq Armada 1500c, '98) happily > using APM - ACPI powered off on removing AC power - but still running on > 5.5-STABLE, with a recent uptime >1200 days .. don't tell anyone :) > > > The last two I'm unsure of. > > Don't mess with those; it took Kevin Oberman years to get them there .. > > acpi_throttle and p4tcc are generally evil; they don't save ANY power on > top of est ono and hugely increase the number of steps (so, time) powerd > has to churn through to adjust CPU speed to load, with minimum speeds as > low as a sluggish 75-100MHz on some, so now best defaulting to disabled. > > Certainly hard to find anything with a uart.1 in the last ~10 years, > though I've no clue why or how that should cause a boot failure? > > cheers, Ian > --=20 -- Name: Johannes Lundberg Position: Mirama project leader Phone: +1-408-636-2161 Skype: brilliantjohannes Online: LinkedIn Facebook Reddit Twitter GitHub GitLab Company: Mirama Brilliantservice US Brilliantservice JP --=20 =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- =E7=A7=98=E5=AF=86=E4=BF=9D=E6=8C=81=E3=81=AB=E3=81=A4=E3=81=84=E3=81=A6=EF= =BC=9A=E3=81=93=E3=81=AE=E9=9B=BB=E5=AD=90=E3=83=A1=E3=83=BC=E3=83=AB=E3=81= =AF=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E3=81=AB=E9=80=81=E4=BF=A1=E3=81=97= =E3=81=9F=E3=82=82=E3=81=AE=E3=81=A7=E3=81=82=E3=82=8A=E3=80=81=E7=A7=98=E5= =8C=BF=E7=89=B9=E6=A8=A9=E3=81=AE=E5=AF=BE=E8=B1=A1=E3=81=A8=E3=81=AA=E3=82= =8B=E6=83=85=E5=A0=B1=E3=82=92=E5=90=AB=E3=82=93=E3=81=A7=E3=81=84=E3=81=BE= =E3=81=99=E3=80=82 =E3=82=82=E3=81=97=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E4=BB=A5=E5=A4=96=E3= =81=AE=E6=96=B9=E3=81=8C=E5=8F=97=E4=BF=A1=E3=81=95=E3=82=8C=E3=81=9F=E5=A0= =B4=E5=90=88=E3=80=81=E3=81=93=E3=81=AE=E3=83=A1=E3=83=BC=E3=83=AB=E3=81=AE= =E7=A0=B4=E6=A3=84=E3=80=81=E3=81=8A=E3=82=88=E3=81=B3=E3=81=93=E3=81=AE=E3= =83=A1=E3=83=BC=E3=83=AB=E3=81=AB=E9=96=A2=E3=81=99=E3=82=8B=E4=B8=80=E5=88= =87=E3=81=AE=E9=96=8B=E7=A4=BA=E3=80=81 =E8=A4=87=E5=86=99=E3=80=81=E9=85=8D=E5=B8=83=E3=80=81=E3=81=9D=E3=81=AE=E4= =BB=96=E3=81=AE=E5=88=A9=E7=94=A8=E3=80=81=E3=81=BE=E3=81=9F=E3=81=AF=E8=A8= =98=E8=BC=89=E5=86=85=E5=AE=B9=E3=81=AB=E5=9F=BA=E3=81=A5=E3=81=8F=E3=81=84= =E3=81=8B=E3=81=AA=E3=82=8B=E8=A1=8C=E5=8B=95=E3=82=82=E3=81=95=E3=82=8C=E3= =81=AA=E3=81=84=E3=82=88=E3=81=86=E3=81=8A=E9=A1=98=E3=81=84=E7=94=B3=E3=81= =97=E4=B8=8A=E3=81=92=E3=81=BE=E3=81=99=E3=80=82 --- CONFIDENTIALITY NOTE: The information in this email is confidential and intended solely for the addressee. 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