Date: Thu, 2 Nov 2017 10:31:47 -0600 From: Warner Losh <imp@bsdimp.com> To: meloun.michal@gmail.com Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: RPi2 snapshot for armv7 won't boot. Message-ID: <CANCZdfohMrBsE0B%2BW4S%2B21OvwrzB%2Bb6uo-K9v6RZdUeWVO1R1g@mail.gmail.com> In-Reply-To: <bcf050db-b79c-9a5e-e4cd-f627bf9552be@gmail.com> References: <86fu9xmx3u.fsf@elm.localnet> <5B61C831-45A1-454F-B38B-DCE40B969F95@dsl-only.net> <CACNAnaG6-TLv=Q9oJ8Uux6vGnXEY6FEcfoANrNzb=4MDUWpVCA@mail.gmail.com> <bcf050db-b79c-9a5e-e4cd-f627bf9552be@gmail.com>
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On Wed, Nov 1, 2017 at 11:28 PM, Michal Meloun <melounmichal@gmail.com> wrote: > > > On 02.11.2017 2:53, Kyle Evans wrote: > > On Nov 1, 2017 6:24 PM, "Mark Millard" <markmi@dsl-only.net> wrote: > > > > On 2017-Nov-1, at 3:51 PM, Carl Johnson <carlj@peak.org> wrote: > > > >> I had previously tried to upgrade my RPi2 12.0-CURRENT system from armv6 > >> to armv7, but it then refused to boot. This time I downloaded the > >> latest snapshot (r325156 from 20171030) and it also refuses to boot for > >> exactly the same reason. In every case the kernel loads, but then it > >> reports that init has died, and then panics and drops into kdb. It > >> gives a stack backtrace, but that doesn't mean anything to me. > >> > >> Is this just me, or is anybody else having this problem? If others have > >> the problem, is there some workaround to get it working? > >> > >> Thanks in advance for any ideas. > > > > Others are also seeing the problem, not just on > > RPI2's. > > > > It looks like it broke between: > > > > -r324743 and -r325156 > > > > someplace relative to whatever is causing the > > init problem. > > > > Details that lead me to that conclusion, if > > you care. . . > > > > The r324938 breaks all statically linked binaries (init, /rescue/*, ...). > I have prepared patch, but I need a day or two for more testing on other > arches. > https://github.com/strejda/tegra/commit/67ea3325c50770b5031ef02882b2dc > cdd1f7611f > > Michal To be extra sure, have we tried to back out this one change against the tip of -head to confirm? It's pretty trivial. Warner > > One of the FreeBSD folks contacted me privately because his > > bananapi-m3 experiments were getting the init problem and > > he was hoping I could test independently to see if the > > problem was local to his attempt to modernize the BPI-M3 > > support so it would again eventually be supported. > > > > I had to be doing other things but was able to report > > that my context was a working variant of -r324743 and > > showed him the two small diffs that I used. (The issues > > needing the diffs are not tied to any init behavior.) > > > > He tried his experiment against -r324743 and his > > experimental code and *.dt* based .dts booted fine. > > > > It looks like something after -r324743 broke things > > such that the init problem exists for armv7. > > > > [I'm still not active for investigating any of this.] > > > > === > > Mark Millard > > markmi at dsl-only.net > > > > > > For any interested: I think I've got it narrowed down to somewhere > between > > or including r324950 - r324882 (last good I've tested). > > > > Looking at the logs, I don't see too many commits in there that could've > > broken something this fundamental, but I think my bisect only has three > > more steps until I can say for sure. > > > > Thanks, > > > > Kyle Evans > > _______________________________________________ > > freebsd-arm@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" > > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" >help
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