Date: Tue, 9 Oct 2018 22:40:37 +0200 From: Michael Tuexen <tuexen@fh-muenster.de> To: Mark Millard <marklmi@yahoo.com> Cc: Justin Hibbits <chmeeedalf@gmail.com>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> 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 Message-ID: <937E631B-929D-4F2B-8AA2-A7D1154EADFD@fh-muenster.de> In-Reply-To: <C6D71821-60D9-41E4-810B-008CDA772A80@yahoo.com> References: <0E6DB192-37A3-45EC-87E9-C5AA1C9397AE@yahoo.com> <785D268A-2612-459F-BD1F-A650D9ECCA28@fh-muenster.de> <A62CE721-B12A-4A79-BC43-F4E0F412D695@yahoo.com> <A7E94F86-E160-4E58-8C44-99DE109D2758@fh-muenster.de> <3DCB6910-6F08-408A-B3D1-70A7EB5A55BC@yahoo.com> <037e3dd6-cc0c-a39f-f074-bce01887156c@blastwave.org> <20181008152746.1aba4221@ralga.knownspace> <AF5D435D-727A-4C8B-8E9C-749CDB1E2140@yahoo.com> <031407DB-57AD-4E09-9A22-A0D4A347576E@yahoo.com> <C0FD8A95-A3DA-45FA-A59E-C7308EA95DFF@yahoo.com> <C6D71821-60D9-41E4-810B-008CDA772A80@yahoo.com>
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--Apple-Mail=_0D84C52B-EB46-4E60-8759-DE8317F0B335 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii > On 9. Oct 2018, at 22:35, Mark Millard <marklmi@yahoo.com> wrote: >=20 > [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 .] >=20 > On 2018-Oct-9, at 12:54 PM, Mark Millard <marklmi at yahoo.com> wrote: >=20 >> On 2018-Oct-9, at 8:20 AM, Mark Millard <marklmi at yahoo.com> 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 <marklmi at yahoo.com> = wrote: >>>=20 >>>> On 2018-Oct-8, at 1:27 PM, Justin Hibbits <chmeeedalf at gmail.com> = 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 >> . . . >=20 > In my -r339076 build context I reverted -r334498, did a > buildkernel, installed it, and rebooted into -r339076. >=20 > The result booted just fine. >=20 > It does appear that, for head, -r334498 makes the difference > for some reason. Are you saying that head with reverting r334498 runs stable with SMP? Best regards Michael >=20 >=20 > =3D=3D=3D > Mark Millard > marklmi at yahoo.com > ( dsl-only.net went > away in early 2018-Mar) >=20 --Apple-Mail=_0D84C52B-EB46-4E60-8759-DE8317F0B335 Content-Disposition: attachment; filename=smime.p7s Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCEJAw ggTVMIIDvaADAgECAghQTsb1PRG0ZDANBgkqhkiG9w0BAQsFADBxMQswCQYDVQQGEwJERTEcMBoG A1UEChMTRGV1dHNjaGUgVGVsZWtvbSBBRzEfMB0GA1UECxMWVC1UZWxlU2VjIFRydXN0IENlbnRl cjEjMCEGA1UEAxMaRGV1dHNjaGUgVGVsZWtvbSBSb290IENBIDIwHhcNMTQwNzIyMTIwODI2WhcN MTkwNzA5MjM1OTAwWjBaMQswCQYDVQQGEwJERTETMBEGA1UEChMKREZOLVZlcmVpbjEQMA4GA1UE CxMHREZOLVBLSTEkMCIGA1UEAxMbREZOLVZlcmVpbiBQQ0EgR2xvYmFsIC0gRzAxMIIBIjANBgkq hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6ZvDZ4X5Da71jVTDllA1PWLpbkztlNcAW5UidNQg6zSP 1uzAMQQLmYHiphTSUqAoI4SLdIkEXlvg4njBeMsWyyg1OXstkEXQ7aAAeny/Sg4bAMOG6VwrMRF7 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