RPI2 boot failure with recent changes to u-boot

Karl Denninger karl at denninger.net
Mon Dec 18 18:10:09 UTC 2017 


On 12/18/2017 12:02, Ian Lepore wrote:
> On Mon, 2017-12-18 at 11:52 -0600, Karl Denninger wrote:
>> On 12/18/2017 11:25, Karl Denninger wrote:
>>> On 12/18/2017 10:31, Ian Lepore wrote:
>>>> On Mon, 2017-12-18 at 10:24 -0600, Karl Denninger wrote:
>>>>> [...]
>> Back and forth with Ian a bit, added the dtb file declaration to
>> config.txt in the dos partition (and it's load address) and now the
>> kernel comes up but the disk device is missing, and thus the mount
>> fails.....
>>
>> Hit [Enter] to boot immediately, or any other key for command prompt.
>> Booting [/boot/kernel/kernel]...
>> Using DTB provided by U-Boot at address 0x100.
>> Kernel entry at 0x1200180...
>> Kernel args: (null)
>> Copyright (c) 1992-2017 The FreeBSD Project.
>> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>>         The Regents of the University of California. All rights reserved.
>> FreeBSD is a registered trademark of The FreeBSD Foundation.
>> FreeBSD 11.1-STABLE #0 r326933M: Mon Dec 18 11:14:31 CST 2017
>>    
>> freebsd at NewFS.denninger.net:/pics/Crochet-work/obj/arm.armv6/pics/CrossBuild/src/sys/RPI2
>> arm
>> FreeBSD clang version 5.0.0 (tags/RELEASE_500/final 312559) (based on
>> LLVM 5.0.0svn)
>> VT: init without driver.
>> CPU: ARM Cortex-A7 r0p5 (ECO: 0x00000000)
>> CPU Features:
>>   Multiprocessing, Thumb2, Security, Virtualization, Generic Timer, VMSAv7,
>>   PXN, LPAE, Coherent Walk
>> Optional instructions:
>>   SDIV/UDIV, UMULL, SMULL, SIMD(ext)
>> LoUU:2 LoC:3 LoUIS:2
>> Cache level 1:
>>  32KB/64B 4-way data cache WB Read-Alloc Write-Alloc
>>  32KB/32B 2-way instruction cache Read-Alloc
>> Cache level 2:
>>  512KB/64B 8-way unified cache WB Read-Alloc Write-Alloc
>> real memory  = 994045952 (947 MB)
>> avail memory = 961916928 (917 MB)
>> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
>> random: entropy device external interface
>> kbd0 at kbdmux0
>> ofwbus0: 
>> simplebus0:  mem 0x3f000000-0x3fffffff
>> on ofwbus0
>> local_intc0:  mem 0x40000000-0x400000ff on
>> simplebus0
>> intc0:  mem 0xb200-0xb3ff irq 4 on simplebus0
>> generic_timer0:  irq 0,1,2,3 on ofwbus0
>> Timecounter "ARM MPCore Timecounter" frequency 19200000 Hz quality 1000
>> Event timer "ARM MPCore Eventtimer" frequency 19200000 Hz quality 1000
>> bcmwd0:  mem 0x10001c-0x100027 on simplebus0
>> gpio0:  mem 0x200000-0x2000af irq 5,6,7,8
>> on simplebus0
>> gpio0: read-only pins: 46,48-53.
>> gpio0: reserved pins: 48-53.
>> gpiobus0:  on gpio0
>> gpioc0:  on gpio0
>> iichb0:  mem 0x205000-0x20501f irq 9 on
>> simplebus0
>> iichb1:  mem 0x804000-0x80401f irq 10 on
>> simplebus0
>> spi0:  mem 0x204000-0x20401f irq 11 on
>> simplebus0
>> spibus0:  on spi0
>> bcm_dma0:  mem 0x7000-0x7fff,0xe05000-0xe05fff
>> irq 12,13,14,15,16,17,18,19,20,21,22,23,24 on simplebus0
>> mbox0:  mem 0xb880-0xb8bf irq 25 on simplebus0
>> sdhci_bcm0:  mem 0x300000-0x3000ff irq
>> 26 on simplebus0
> Right here is where it turns strange, because the next line after
> sdhci_bcm0: should be this one:
>
> mmc0: <MMC/SD bus> on sdhci_bcm0
>
> The only thing I can think of that would cause it to be missing is if
> "device mmc" is missing from the kernel config.  It's also available as
> a module, so you could try interrupting ubldr to get the prompt and do
> "load mmc".
>
> If that's not the problem, maybe the output from "boot -v" will have
> more clues.
>
> -- Ian

load mmc from the loader> prompt does nothing.

"boot -v" returns:

loader> boot -v
Booting...
Using DTB provided by U-Boot at address 0x100.
Kernel entry at 0x1200180...
Kernel args: -v
Copyright (c) 1992-2017 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 11.1-STABLE #0 r326933M: Mon Dec 18 11:14:31 CST 2017
   
freebsd at NewFS.denninger.net:/pics/Crochet-work/obj/arm.armv6/pics/CrossBuild/src/sys/RPI2
arm
FreeBSD clang version 5.0.0 (tags/RELEASE_500/final 312559) (based on
LLVM 5.0.0svn)
VT: init without driver.
Preloaded elf kernel "/boot/kernel/kernel" at 0xc09ee000.
CPU: ARM Cortex-A7 r0p5 (ECO: 0x00000000)
CPU Features:
  Multiprocessing, Thumb2, Security, Virtualization, Generic Timer, VMSAv7,
  PXN, LPAE, Coherent Walk
Optional instructions:
  SDIV/UDIV, UMULL, SMULL, SIMD(ext)
LoUU:2 LoC:3 LoUIS:2
Cache level 1:
 32KB/64B 4-way data cache WB Read-Alloc Write-Alloc
 32KB/32B 2-way instruction cache Read-Alloc
Cache level 2:
 512KB/64B 8-way unified cache WB Read-Alloc Write-Alloc
real memory  = 994045952 (947 MB)
avail memory = 961916928 (917 MB)
Physical memory chunk(s):
  0x00001000 - 0x3b3fffff,   947 MB ( 242687 pages)
Excluded memory regions:
  0x01200000 - 0x01b53fff,     9 MB (   2388 pages) NoAlloc
  0x3b400000 - 0x3fffffff,    76 MB (  19456 pages) NoAlloc NoDump
Static device mappings:
  0x3f000000 - 0x3fffffff mapped at VA 0xfef00000
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
ULE: setup cpu 0
ULE: setup cpu 1
ULE: setup cpu 2
ULE: setup cpu 3
random: entropy device external interface
snd_unit_init() u=0x00ff8000 [512] d=0x00007c00 [32] c=0x000003ff [1024]
feeder_register: snd_unit=-1 snd_maxautovchans=16 latency=5
feeder_rate_min=1 feeder_rate_max=2016000 feeder_rate_round=25
crypto: <crypto core>
null: <full device, null device, zero device>
openfirm: <Open Firmware control device>
kbd0 at kbdmux0
mem: <memory>
nfslock: pseudo-device
random: harvesting attach, 8 bytes (4 bits) from nexus0
ofwbus0: <Open Firmware Device Tree>
simplebus0: <Flattened device tree simple bus> mem 0x3f000000-0x3fffffff
on ofwbus0
simplebus0: Malformed reg property on <vc_mem>
random: harvesting attach, 8 bytes (4 bits) from simplebus0
random: harvesting attach, 8 bytes (4 bits) from ofwbus0
local_intc0: <BCM2836 Interrupt Controller> mem 0x40000000-0x400000ff on
simplebus0
random: harvesting attach, 8 bytes (4 bits) from local_intc0
intc0: <BCM2835 Interrupt Controller> mem 0xb200-0xb3ff irq 4 on simplebus0
random: harvesting attach, 8 bytes (4 bits) from intc0
generic_timer0: <ARMv7 Generic Timer> irq 0,1,2,3 on ofwbus0
Timecounter "ARM MPCore Timecounter" frequency 19200000 Hz quality 1000
Event timer "ARM MPCore Eventtimer" frequency 19200000 Hz quality 1000
random: harvesting attach, 8 bytes (4 bits) from generic_timer0
bcmwd0: <BCM2708/2835 Watchdog> mem 0x10001c-0x100027 on simplebus0
random: harvesting attach, 8 bytes (4 bits) from bcmwd0
gpio0: <BCM2708/2835 GPIO controller> mem 0x200000-0x2000af irq 5,6,7,8
on simplebus0
gpio0: read-only pins: 46,48-53.
gpio0: reserved pins: 48-53.
gpiobus0: <OFW GPIO bus> on gpio0
random: harvesting attach, 8 bytes (4 bits) from gpiobus0
gpioc0: <GPIO controller> on gpio0
random: harvesting attach, 8 bytes (4 bits) from gpioc0
random: harvesting attach, 8 bytes (4 bits) from gpio0
iichb0: <BCM2708/2835 BSC controller> mem 0x205000-0x20501f irq 9 on
simplebus0
random: harvesting attach, 8 bytes (4 bits) from iichb0
iichb1: <BCM2708/2835 BSC controller> mem 0x804000-0x80401f irq 10 on
simplebus0
random: harvesting attach, 8 bytes (4 bits) from iichb1
spi0: <BCM2708/2835 SPI controller> mem 0x204000-0x20401f irq 11 on
simplebus0
spibus0: <OFW SPI bus> on spi0
random: harvesting attach, 8 bytes (4 bits) from spibus0
random: harvesting attach, 8 bytes (4 bits) from spi0
bcm_dma0: <BCM2835 DMA Controller> mem 0x7000-0x7fff,0xe05000-0xe05fff
irq 12,13,14,15,16,17,18,19,20,21,22,23,24 on simplebus0
random: harvesting attach, 8 bytes (4 bits) from bcm_dma0
mbox0: <BCM2835 VideoCore Mailbox> mem 0xb880-0xb8bf irq 25 on simplebus0
random: harvesting attach, 8 bytes (4 bits) from mbox0
sdhci_bcm0: <Broadcom 2708 SDHCI controller> mem 0x300000-0x3000ff irq
26 on simplebus0
sdhci_bcm0: SDHCI frequency: 250MHz
sdhci_bcm0-slot0: 250MHz HS 4bits VDD: 3.3V VCCQ: 3.3V DRV: B PIO removable
sdhci_bcm0-slot0: ============== REGISTER DUMP ==============
sdhci_bcm0-slot0: Sys addr: 0x00000000 | Version:  0x00009902
sdhci_bcm0-slot0: Blk size: 0x00007200 | Blk cnt:  0x00000000
sdhci_bcm0-slot0: Argument: 0x00000000 | Trn mode: 0x00000000
sdhci_bcm0-slot0: Present:  0x01ff0000 | Host ctl: 0x00000002
sdhci_bcm0-slot0: Power:    0x0000000f | Blk gap:  0x00000000
sdhci_bcm0-slot0: Wake-up:  0x00000000 | Clock:    0x00000307
sdhci_bcm0-slot0: Timeout:  0x0000000e | Int stat: 0x00000000
sdhci_bcm0-slot0: Int enab: 0x027f003b | Sig enab: 0x00000000
sdhci_bcm0-slot0: AC12 err: 0x00000000 | Host ctl2:0x00000000
sdhci_bcm0-slot0: Caps:     0x00000000 | Caps2:    0x00000000
sdhci_bcm0-slot0: Max curr: 0x00000001 | ADMA err: 0x00000000
sdhci_bcm0-slot0: ADMA addr:0x00000000 | Slot int: 0x00000000
sdhci_bcm0-slot0: ===========================================
random: harvesting attach, 8 bytes (4 bits) from sdhci_bcm0
uart0: <PrimeCell UART (PL011)> mem 0x201000-0x201fff irq 27 on simplebus0
uart0: console (115200,n,8,1)
uart0: fast interrupt
uart0: PPS capture mode: DCDinvalid
random: harvesting attach, 8 bytes (4 bits) from uart0
vchiq0: <BCM2835 VCHIQ> mem 0xb800-0xb84f irq 28 on simplebus0
vchiq: local ver 8 (min 3), remote ver 8.
pcm0: <VCHIQ audio> on vchiq0
random: harvesting attach, 8 bytes (4 bits) from pcm0
random: harvesting attach, 8 bytes (4 bits) from vchiq0
bcm283x_dwcotg0: <DWC OTG 2.0 integrated USB controller (bcm283x)> mem
0x980000-0x99ffff irq 29 on simplebus0
usbus0 on bcm283x_dwcotg0
bcm283x_dwcotg0: usbpf: Attached
random: harvesting attach, 8 bytes (4 bits) from usbus0
random: harvesting attach, 8 bytes (4 bits) from bcm283x_dwcotg0
cpulist0: <Open Firmware CPU Group> on ofwbus0
cpu0: <Open Firmware CPU> on cpulist0
bcm2835_cpufreq0: <CPU Frequency Control> on cpu0
random: harvesting attach, 8 bytes (4 bits) from cpufreq0
random: harvesting attach, 8 bytes (4 bits) from bcm2835_cpufreq0
random: harvesting attach, 8 bytes (4 bits) from cpu0
cpu1: <Open Firmware CPU> on cpulist0
random: harvesting attach, 8 bytes (4 bits) from cpu1
cpu2: <Open Firmware CPU> on cpulist0
random: harvesting attach, 8 bytes (4 bits) from cpu2
cpu3: <Open Firmware CPU> on cpulist0
random: harvesting attach, 8 bytes (4 bits) from cpu3
random: harvesting attach, 8 bytes (4 bits) from cpulist0
fb0: <BCM2835 VT framebuffer driver> on ofwbus0
fbd0 on fb0
VT: initialize with new VT driver "fb".
random: harvesting attach, 8 bytes (4 bits) from fbd0
fb0: 656x416(656x416 at 0,0) 24bpp
fb0: fbswap: 1, pitch 1968, base 0x3eb33000, screen_size 818688
random: harvesting attach, 8 bytes (4 bits) from fb0
ofwbus0: <rpi_ft5406> compat rpi,rpi-ft5406 (no driver attached)
gpioled0: <GPIO LEDs> on ofwbus0
random: harvesting attach, 8 bytes (4 bits) from gpioled0
ofwbus0: <regulator> compat broadcom,bcm2835-power-mgr (no driver attached)
ofwbus0: <chosen> compat simple_bus (no driver attached)
cryptosoft0: <software crypto>
crypto: assign cryptosoft0 driver id 0, flags 100663296
crypto: cryptosoft0 registers alg 1 flags 0 maxoplen 0
crypto: cryptosoft0 registers alg 2 flags 0 maxoplen 0
crypto: cryptosoft0 registers alg 3 flags 0 maxoplen 0
crypto: cryptosoft0 registers alg 4 flags 0 maxoplen 0
Tdwuhub0: 1 port with 1 removable, self poweredcbcm28rrt, H ,
random: harvesting attach, 8 bytes (4 bits) from uhub0
ugen0.2: <vendor 0x0424 product 0x9514> at usbus0
uhub1 on uhub0
uhub1: <vendor 0x0424 product 0x9514, class 9/0, rev 2.00/2.00, addr 2>
on usbus0
uhub1: MTT enabled
Root mount waiting for: usbus0
uhub1: 5 ports with 4 removable, self powered
random: harvesting attach, 8 bytes (4 bits) from uhub1
Root mount waiting for: usbus0
ugen0.3: <vendor 0x0424 product 0xec00> at usbus0
smsc0 on uhub1
smsc0: <vendor 0x0424 product 0xec00, rev 2.00/2.00, addr 3> on usbus0
random: harvesting attach, 8 bytes (4 bits) from smsc0
mountroot: waiting for device /dev/mmcsd0s2a...
smsc0: chip 0xec00, rev. 0002
miibus0: <MII bus> on smsc0
ukphy0: <Generic IEEE 802.3u media interface> PHY 1 on miibus0
ukphy0: OUI 0x00800f, model 0x000c, rev. 3
ukphy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
random: harvesting attach, 8 bytes (4 bits) from ukphy0
random: harvesting attach, 8 bytes (4 bits) from miibus0
ue0: <USB Ethernet> on smsc0
ue0: bpf attached
ue0: Ethernet address: b8:27:eb:be:e6:f8
Mounting from ufs:/dev/mmcsd0s2a failed with error 19.
Trying to mount root from ufs:mmcsd0s2 []...
mountroot: waiting for device mmcsd0s2...
Mounting from ufs:mmcsd0s2 failed with error 19.

Loader variables:
  vfs.root.mountfrom=ufs:/dev/mmcsd0s2a
  vfs.root.mountfrom.options=ro

The device is just.... gone.

The rpi2.dts file was updated when I updated the source (if that's
involved here), so that should be current....

-- 
Karl Denninger
karl at denninger.net <mailto:karl at denninger.net>
/The Market Ticker/
/[S/MIME encrypted email preferred]/
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