Date: Mon, 13 Jul 2020 02:10:44 -0700 From: Mark Millard <marklmi@yahoo.com> To: "mmel@freebsd.org " <mmel@FreeBSD.org>, freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: Rock64 head -r363021 -> -r363123 kernel upgrade: hangs after "rk_tsadc0: <RockChip temperature sensors> mem ... irq 22 on ofwbus0" Message-ID: <DCA57F06-4735-4A68-8201-C48A25B937C6@yahoo.com> In-Reply-To: <7BB9973C-CCC4-4599-98D5-864BEBECE3DF@yahoo.com> References: <7BB9973C-CCC4-4599-98D5-864BEBECE3DF@yahoo.com>
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On 2020-Jul-13, at 00:59, Mark Millard <marklmi at yahoo.com> wrote: > With boot -v the kernel crashes instead of being > silently-hung: >=20 > . . . > generic_timer0: <ARMv8 Generic Timer> irq 4,5,6,7 on ofwbus0 > Timecounter "ARM MPCore Timecounter" frequency 24000000 Hz quality = 1000 > Event timer "ARM MPCore Eventtimer" frequency 24000000 Hz quality 1000 > rk_tsadc0: <RockChip temperature sensors> mem 0xff250000-0xff2500ff = irq 22 on ofwbus0 > panic: stack overflow detected; backtrace may be corrupted > cpuid =3D 0 > time =3D 1 > KDB: stack backtrace: . . . Trying artifact.ci.freebsd.org debug kernels for an approximate bisect: -r363121 works. -r363122 has no aarch64 artifacts. -r363123 fails. (So the specifics of my personal builds are not involved.) -r363122 is: Author: mmel Date: Sun Jul 12 07:42:21 2020 New Revision: 363122 URL:=20 https://svnweb.freebsd.org/changeset/base/363122 Log: Assigned clocks: fix off-by-one bug, don't leak allocated memory. =20 MFC after: 1 week . . . -r363123 is: Author: mmel Date: Sun Jul 12 07:59:15 2020 New Revision: 363123 URL:=20 https://svnweb.freebsd.org/changeset/base/363123 Log: Reverse the processing order of assigned clocks property. Linux processes these clocks in reverse order and some DT relies on this fact. For example, the frequency setting for a given PLL is the last in the list, preceded by the frequency setting of its following divider or so... =20 MFC after: 1 week . . . =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)
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