FYI: Jump from -r340287 variant to -r341766 variant failed to boot Pine64+ 2GB

[Emmanuel Vadot]

On Tue, 11 Dec 2018 11:46:44 -0800
Mark Millard <marklmi at yahoo.com> wrote:

> 
> 
> On 2018-Dec-11, at 06:22, Emmanuel Vadot <manu at bidouilliste.com> wrote:
> 
> > On Tue, 11 Dec 2018 02:36:30 -0800
> > Mark Millard via freebsd-arm <freebsd-arm at freebsd.org> wrote:
> > 
> >> FYI: The following does at this time still involve my historical
> >> changes to allow:
> >> 
> >> mc0: Card at relative address 0x0002 added:
> >> mmc0:  card: MMCHC DJNB4R 0.7 SN 9F43B2D6 MFG 06/2016 by 21 0x0000
> >> mmc0:  quirks: 0
> >> mmc0:  bus: 4bit, 52MHz (dual data rate timing)
> >> mmc0:  memory: 244277248 blocks, erase sector 1024 blocks
> >> 
> >> as boot media on the Pine64+ 2GB. (This is via a microsd card
> >> adapter.) So this is a report for a variant build instead
> >> of an official ci.freebsd.org or other such official-source
> >> build. I have not yet tried normal boot media. I'm not sure
> >> when I'll get that done.
> >> 
> >> 
> >> Showing the tail of boot -v before showing everything after 
> >> Loading Kernel...
> >> 
> >> Release APs...done
> >> Trying to mount root from ufs:/dev/label/PINE64P2Groot [rw,noatime]...
> >> CPU  0: ARM Cortex-A53 r0p4 affinity:  0
> >> Instruction Set Attributes 0 = <AES+PMULL,SHA1,SHA2,CRC32>
> >> Instruction Set Attributes 1 = <>
> >>         Processor Features 0 = <AdvSIMD,Float,EL3 32,EL2 32,EL1 32,EL0 32>
> >> rtc0:          Processor Features 1 = <0>
> >> providing initial system time
> >>      Memory Model Features 0 = <4k Granule,64k Granule,MixedEndian,S/NS Mem,16bit ASID,1TB PA>
> >> start_init: trying /sbin/init
> >>      Memory Model Features 1 = <>
> >>      Memory Model Features 2 = <32b CCIDX,48b VA>
> >>             Debug Features 0 = <2 CTX Breakpoints,4 Watchpoints,6 Breakpoints,PMUv3,Debug v8>
> >>             Debug Features 1 = <0>
> >>         Auxiliary Features 0 = <0>
> >>         Auxiliary Features 1 = <0>
> >> CPU  1: ARM Cortex-A53 r0p4 affinity:  1
> >> CPU  2: ARM Cortex-A53 r0p4 affinity:  2
> >> CPU  3: ARM Cortex-A53 r0p4 affinity:  3
> >> regulator: shutting down dcdc3
> >> axp8xx_pmu0: Disable dcdc3 (dcdc3)
> >> regulator: shutting down dcdc4
> >> axp8xx_pmu0: Disable dcdc4 (dcdc4)
> >> regulator: shutting down vcc-hdmi
> >> axp8xx_pmu0: Disable vcc-hdmi (dldo1)
> >> regulator: shutting down vcc-mipi
> >> axp8xx_pmu0: Disable vcc-mipi (dldo2)
> >> regulator: shutting down dldo3
> >> axp8xx_pmu0: Disable dldo3 (dldo3)
> >> regulator: shutting down vcc-wifi
> >> axp8xx_pmu0: Disable vcc-wifi (dldo4)
> >> regulator: shutting down aldo1
> >> axp8xx_pmu0: Disable aldo1 (aldo1)
> >> regulator: shutting down cpvdd
> >> axp8xx_pmu0: Disable cpvdd (eldo1)
> >> regulator: shutting down eldo2
> >> axp8xx_pmu0: Disable eldo2 (eldo2)
> >> regulator: shutting down eldo3
> >> axp8xx_pmu0: Disable eldo3 (eldo3)
> >> regulator: shutting down vcc-1v2-hsic
> >> axp8xx_pmu0: Disable vcc-1v2-hsic (fldo1)
> >> 
> >> It never reports the next line (or later)
> >> that my prior kernel ( -r340287 ) reported:
> >> 
> >> regulator: shutting down vcc-phy
> >> 
> >> The same sources built and installed for the OverDriver 1000
> >> (cortexA57 vs. cortexA53) boot the OVerDrive just fine (no
> >> such odd boot-media involved).
> >> 
> >> 
> >> 
> >> More completely the -r341766 boot -v shows:
> >> 
> >> Loading kernel...
> > . . .
> >> axp8xx_pmu0: Disable eldo3 (eldo3)
> >> regulator: shutting down vcc-1v2-hsic
> >> axp8xx_pmu0: Disable vcc-1v2-hsic (fldo1)
> >> 
> >> (And that is all that shows up.)
> >> 
> >> Ignoring minor ordering differences and other minor
> >> differences, -r340287 also had in its output (or
> >> missing, if so noted):
> >> 
> >> OK unload
> >> OK load /boot/kerold/kernel
> >> /boot/kerold/kernel text=0x8f880f data=0x17dc10+0x79ccbc syms=[0x8+0x1206d8+0x8+0x113e33]
> >> 
> >> 
> >> [a 1 MB difference in one of its Exclude memory regions:]
> >> 
> >>  0xb1000000 - 0xb267cfff,    22 MB (   5757 pages) NoAlloc 
> >> 
> >> 
> >> [There were no lines like:]
> >> 
> >> Preloaded boot_entropy_cache "/boot/entropy" at 0xffff0000014f7098.
> >> Preloaded elf module "/boot/kernel/umodem.ko" at 0xffff0000014f70f0.
> >> Preloaded elf module "/boot/kernel/ucom.ko" at 0xffff0000014f7908.
> >> 
> >> [And, of course, -r340287 had the line (and what followed):]
> >> 
> >> regulator: shutting down vcc-phy
> >> 
> > . . .
> > That's weird, I'll have a look.
> > 
> > In the meantime you can set hw.regulator.disable_unused=0 in
> > loader.conf as a hack.
> 
> I got a chance to try that and it did allow the -r341766 based boot to complete.
> Thanks.
> 
> ===
> Mark Millard
> marklmi at yahoo.com
> ( dsl-only.net <http://dsl-only.net/> went
> away in early 2018-Mar)
> 

 Fixed in r342076.

 Thanks for reporting.

-- 
Emmanuel Vadot <manu at bidouilliste.com> <manu at freebsd.org>