From owner-freebsd-ppc@freebsd.org Tue Oct 9 20:35:49 2018 Return-Path: Delivered-To: freebsd-ppc@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 B83A610BB9C1 for ; Tue, 9 Oct 2018 20:35:49 +0000 (UTC) (envelope-from marklmi@yahoo.com) Received: from sonic310-14.consmr.mail.bf2.yahoo.com (sonic310-14.consmr.mail.bf2.yahoo.com [74.6.135.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 5746B7B969 for ; Tue, 9 Oct 2018 20:35:49 +0000 (UTC) (envelope-from marklmi@yahoo.com) X-YMail-OSG: k8z0QkkVM1n26IwCNC3lGKtn2.7Mwn0Hpdd9Nsb65Qe5jy.Rjj90n3aDhvHTsrK Jh17mkSC.qJE.OyWIFad4fw9g0YJEeWdPxZfeh6bjdO7_s0kDhDBi5yuEyRUsFhAViP1PIEj8OFF YW.rx9rCVBbKIAXAoKpEOSWYF.kTbAs4Q9fBE7UZQqc.Eqe1Tn_2Wf0SoAj7FptdgGXpRsRakNKe VvApaOFUdXoRYtN0Wku9ZT5D_Iq1Mk1cJn7bms3PlyyXOW4UxcLLdMTbQjvEtZvPaEkubwJsbNl7 KbtXR7QYvC__52wbRnQK.JnwrLgkKbyjdbNjKvvvYHHrYY1EkNkiaZO1NrSgXl3OXjXVOSucBkzk IOI8a6NkwScuCb5cnX28JeqZfsi0RrcEm6pPbNmrboSz_bDrWHAuoYDf0fiDJoyqSG0XDyVZTVZW 0tjgzZMm7rWsNxhQvHkmX0e7TZc0u0GjIRe4nmA7_4exTtryWHvRovNEUPl9d4vTV1l2GzWgS.3C Tba1uwB6yTWgBVoquNDdPVGusvmhFPSfBApEJFB1gtyK84NYBCJnWWx9YJyIlU4DJe_dZsHgXM9b LD69UXrIOfqT9zaFRyOv3VIpXzi7ndTj4EZHBglg0dFy6Seyd2bMfUrhyKvNm36qvbqEdEEcoFOD V.0U5L.zw49tao_NEdWBcnhVg83sAcFVKSJIr2Hfau0nBZUex0cKzoD9WuSXMjHKLrFkzuTVx6NU sVvv.luAlRuvPaf6QDvjxnB9v3vh29rI3BSl8q0YH5eADi5rWkkgJMPlfn9QeVitNXFaEaZyWxzC hHz__bPHkqXlrxJksdmOVaPcrdt4jwULiktkyE1FnHmouAkYccurG7vHcGDF3NVKW4rDTiAB.Qzq k6xP2_5YDc49zxV6DbYiJssPYvLhOqRHnQygbCXiqtJwzTQVCekVqYNlsAhq42IF1wYAbbY21MXz ftXbto1d5nCXQimLQdpoyzgClUedwK2tZh28VyKxS7DqDNmdF0lYOdsXQqWoGNJ5FKR.A3Xw..2z 9KMoWyJ2i784lRnxvgYJUnCXjdmOQLMkYfjA4GdPe3odZ2IpVf_DajJwxGd4lXiU2XJ3VWIa164I iG2RkrglYtGE- Received: from sonic.gate.mail.ne1.yahoo.com by sonic310.consmr.mail.bf2.yahoo.com with HTTP; Tue, 9 Oct 2018 20:35:43 +0000 Received: from c-76-115-7-162.hsd1.or.comcast.net (EHLO [192.168.1.101]) ([76.115.7.162]) by smtp405.mail.bf1.yahoo.com (Oath Hermes SMTP Server) with ESMTPA ID d2a8574bc50cfc516f7ad6bd2b47facb; Tue, 09 Oct 2018 20:35:37 +0000 (UTC) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) Subject: Re: Failed attempt to boot a (non-debug) head -r339076 on an old PowerMac G5 "Quad Core" (built via devel/powerpc64-gcc): Waking up CPU 1 From: Mark Millard In-Reply-To: Date: Tue, 9 Oct 2018 13:35:35 -0700 Cc: Michael Tuexen , FreeBSD PowerPC ML Content-Transfer-Encoding: quoted-printable Message-Id: References: <0E6DB192-37A3-45EC-87E9-C5AA1C9397AE@yahoo.com> <785D268A-2612-459F-BD1F-A650D9ECCA28@fh-muenster.de> <3DCB6910-6F08-408A-B3D1-70A7EB5A55BC@yahoo.com> <037e3dd6-cc0c-a39f-f074-bce01887156c@blastwave.org> <20181008152746.1aba4221@ralga.knownspace> <031407DB-57AD-4E09-9A22-A0D4A347576E@yahoo.com> To: Justin Hibbits X-Mailer: Apple Mail (2.3445.9.1) X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Oct 2018 20:35:49 -0000 [Reverting head -r334498 in my head -r339076 context was enough to get the G5 so-called "Quad Core" to boot just fine as a variant of -r339076 .] On 2018-Oct-9, at 12:54 PM, Mark Millard wrote: > On 2018-Oct-9, at 8:20 AM, Mark Millard wrote: >=20 >> [The stable/head mix seems to be a wrong idea: 11.2 gets past >> the SMP: messages just fine on the so-called G5 "Quad Core".] >>=20 >> On 2018-Oct-8, at 5:14 PM, Mark Millard wrote: >>=20 >>> On 2018-Oct-8, at 1:27 PM, Justin Hibbits = wrote: >>>=20 >>>>> . . . >>>>=20 >>>> It would be helpful to know the last known-good SVN revision, both = for >>>> Head and 11.x, as well as the oldest failing one. Since my G5 bit = the >>>> dust, I can't check locally. >>>=20 >> . . . >=20 > There are examples of head's kernels that sometimes > fail to get to the "SMP:" messages and sometimes work > for getting there (and beyond). So: >=20 > My reporting any example failure is a solid indicator > of the "does not reach "SMP:" problem in that build. > (All tries reached the waking message on at least cpu > 1.) >=20 > My reporting "worked" for a revision might be a > misclassification. (This makes for a messier > "binary-like search".) >=20 > That said, the summary of the later detail is: >=20 > head -r334494 kernel worked > head -r334528 kernel failed >=20 > (There is nothing between those for: >=20 > = https://artifact.ci.freebsd.org/snapshot/head/r*/powerpc/powerpc64/kernel.= txz >=20 > so getting a smaller range requires builds. > I've not attempted that.) >=20 > The only machine-dependent powerpc64 change between > those 2 that I see is: >=20 > Author: jhibbits > Date: Fri Jun 1 21:37:20 2018 > New Revision: 334498 > URL:=20 > https://svnweb.freebsd.org/changeset/base/334498 >=20 >=20 > Log: > Increase powerpc64 KVA from ~7.25GB to 32GB > . . . >=20 > . . . In my -r339076 build context I reverted -r334498, did a buildkernel, installed it, and rebooted into -r339076. The result booted just fine. It does appear that, for head, -r334498 makes the difference for some reason. =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)