Re: port-arm/60021: USB-only boot: uhub0 attaches but uhub1 never appears, no hotplug events; SD-boot sees hub+umass fine

Here is the output with usb debug:


RPi3B+ USB boot diagnostic kernel

Wed Aug  5 20:44:41 UTC 2026

NetBSD SS.Culver.Net 11.0_RC5 NetBSD 11.0_RC5 (GENERIC) #0: Tue Jun 16
15:48:07 UTC 2026
[email protected]:/usr/src/sys/arch/amd64/compile/GENERIC
amd64

Target: MACHINE=evbarm MACHINE_ARCH=aarch64
Source branch: netbsd-11
Kernel configuration: GENERIC64_USBDEBUG

Kernel hashes:
SHA256
(/root/obj-rpi3b-usbdebug/sys/arch/evbarm/compile/GENERIC64_USBDEBUG/netbsd)
= 96bdfcf491362c83a1eedd251c5de5bb44f9f8a565a351a6ee58e652cbfea91d
SHA256
(/root/obj-rpi3b-usbdebug/sys/arch/evbarm/compile/GENERIC64_USBDEBUG/netbsd.img)
= 6b0a14b4faf31249a9fd583c2e8ead68cf3fe4501484d9cb688992630a2f9773

Relevant CVS revisions:
File: usb.c             Status: Up-to-date
   Working revision:    1.203
   Sticky Tag:          netbsd-11 (branch: 1.203.4)
File: uhub.c            Status: Up-to-date
   Working revision:    1.162
   Sticky Tag:          netbsd-11 (branch: 1.162.4)
File: usb_subr.c        Status: Up-to-date
   Working revision:    1.279.4.1
   Sticky Tag:          netbsd-11 (branch: 1.279.4)

▒[   1.0000000] NetBSD/evbarm (fdt) booting ...
[   1.0000000] Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
[   1.0000000]     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
2013,
[   1.0000000]     2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022,
2023,
[   1.0000000]     2024, 2025, 2026
[   1.0000000]     The NetBSD Foundation, Inc.  All rights reserved.
[   1.0000000] Copyright (c) 1982, 1986, 1989, 1991, 1993
[   1.0000000]     The Regents of the University of California.  All rights
reserved.

[   1.0000000] NetBSD 11.0_STABLE (GENERIC64_USBDEBUG) #0: Wed Aug  5
19:49:20 UTC 2026
[   1.0000000]  [email protected]:
/root/obj-rpi3b-usbdebug/sys/arch/evbarm/compile/GENERIC64_USBDEBUG
[   1.0000000] total memory = 925 MB
[   1.0000000] avail memory = 890 MB
[   1.0000000] armfdt0 (root)
[   1.0000000] simplebus0 at armfdt0: Raspberry Pi 3 Model B Plus Rev 1.4
[   1.0000000] simplebus1 at simplebus0
[   1.0000000] simplebus2 at simplebus0
[   1.0000000] cpus0 at simplebus0
[   1.0000000] simplebus3 at simplebus0
[   1.0000000] cpu0 at cpus0: Arm Cortex-A53 r0p4 (v8-A), id 0x0
[   1.0000000] cpu0: package 0, core 0, smt 0, numa 0
[   1.0000000] cpu1 at cpus0: Arm Cortex-A53 r0p4 (v8-A), id 0x1
[   1.0000000] cpu1: package 0, core 1, smt 0, numa 0
[   1.0000000] cpu2 at cpus0: Arm Cortex-A53 r0p4 (v8-A), id 0x2
[   1.0000000] cpu2: package 0, core 2, smt 0, numa 0
[   1.0000000] cpu3 at cpus0: Arm Cortex-A53 r0p4 (v8-A), id 0x3
[   1.0000000] cpu3: package 0, core 3, smt 0, numa 0
[   1.0000000] bcmicu0 at simplebus1
[   1.0000000] fclock0 at simplebus2: 19200000 Hz fixed clock (osc)
[   1.0000000] bcmcprman0 at simplebus1: BCM283x Clock Controller
[   1.0000000] syscon0 at simplebus1: couldn't get registers
[   1.0000000] bcmaux0 at simplebus1
[   1.0000000] fclock1 at simplebus2: 480000000 Hz fixed clock (otg)
[   1.0000000] bcmicu1 at simplebus1: Multiprocessor
[   1.0000000] gtmr0 at simplebus0: Generic Timer
[   1.0000000] gtmr0: interrupting on local_intc irq 3
[   1.0000000] armgtmr0 at gtmr0: Generic Timer (19200 kHz, virtual)
[   1.0000040] bcmgpio0 at simplebus1: GPIO controller 2835
[   1.0000040] bcmgpio0: pins 0..31 interrupting on icu irq 49
[   1.0000040] bcmgpio0: pins 32..54 interrupting on icu irq 50
[   1.0000040] gpio0 at bcmgpio0: 54 pins
[   1.0000040] plcom0 at simplebus1: ARM PL011 UART
[   1.0000040] plcom0: txfifo 16 bytes
[   1.0000040] plcom0: interrupting on icu irq 57
[   1.0000040] com0 at simplebus1: BCM AUX UART, 1-byte FIFO
[   1.0000040] com0: console
[   1.0000040] com0: interrupting on icu irq 29, clock 800000000 Hz
[   1.0000040] mmcpwrseq0 at simplebus0: couldn't get reset GPIOs
[   1.0000040] /soc/thermal@7e212000 at simplebus1 not configured
[   1.0000040] bcmdmac0 at simplebus1: DMA0 DMA2 DMA4 DMA5 DMA6 DMA7 DMA8
DMA9 DMA10 DMA11
[   1.0000040] /soc/power at simplebus1 not configured
[   1.0000040] /phy at simplebus0 not configured
[   1.0000040] bsciic0 at simplebus1: Broadcom Serial Controller
[   1.0000040] bsciic0: interrupting on icu irq 53
[   1.0000040] iic0 at bsciic0: I2C bus
[   1.0000040] bcmmbox0 at simplebus1: VC mailbox
[   1.0000040] bcmmbox0: interrupting on icu irq 65
[   1.0000040] vcmbox0 at bcmmbox0
[   1.0000040] /soc/timer@7e003000 at simplebus1 not configured
[   1.0000040] /soc/txp@7e004000 at simplebus1 not configured
[   1.0000040] bcmsdhost0 at simplebus1: SD HOST controller
[   1.0000040] bcmsdhost0: interrupting on icu irq 56
[   1.0000040] bsciic1 at simplebus1: Broadcom Serial Controller
[   1.0000040] bsciic1: interrupting on icu irq 53
[   1.0000040] iic1 at bsciic1: I2C bus
[   1.0000040] /soc/pwm@7e20c000 at simplebus1 not configured
[   1.0000040] sdhc0 at simplebus1: SDHC controller
[   1.0000040] sdhc0: interrupting on icu irq 62
[   1.0000040] bsciic2 at simplebus1: Broadcom Serial Controller
[   1.0000040] bsciic2: interrupting on icu irq 53
[   1.0000040] iic2 at bsciic2: I2C bus
[   1.0000040] dwctwo0 at simplebus1: USB controller
[   1.0000040] dwctwo0: interrupting on icu irq 9
[   1.0000040] bcmpmwdog0 at simplebus1: Power management, Reset and
Watchdog controller
[   1.0000040] /soc/vec@7e806000 at simplebus1 not configured
[   1.0000040] /soc/hdmi@7e902000 at simplebus1 not configured
[   1.0000040] /soc/gpu at simplebus1 not configured
[   1.0000040] genfb0 at simplebus1
[   1.0000040] wsdisplay0 at genfb0 kbdmux 1
[   1.0000040] vchiq0 at simplebus1: BCM2835 VCHIQ
[   1.0000040] armpmu0 at simplebus0: Performance Monitor Unit
[   1.0000040] gpioleds0 at simplebus0: ACT
[   1.0000040] bcmrng0 at simplebus1: RNG
[   1.0000040] entropy: ready
[   1.4296116] sdmmc0 at bcmsdhost0
[   1.4296116] sdhc0: SDHC 3.0, rev 153, platform DMA, 200000 kHz, HS 3.3V,
re-tuning mode 1, 1024 byte blocks
[   1.4396132] sdmmc1 at sdhc0 slot 0
[   1.4596145] usb0 at dwctwo0: USB revision 2.0
[   1.4696151] armpmu0: interrupting on local_intc irq 9
[   1.4796185] uhub0 at usb0: NetBSD (0x0000) DWC2 root hub (0x0000), class
9/0, rev 2.00/1.00, addr 1
[   1.5596215] sdmmc0: direct I/O error 5, r=6 p=0xffffc000b0fe3e5c write
[   1.5696218] sdmmc0: couldn't enable card: 5
[   1.6396270] sdmmc1: 4-bit width, 50.000 MHz
[   1.6496270] sdmmc1: SDIO function
[   1.6496270] bwfm0 at sdmmc1 function 1
[   1.6596295] (manufacturer 0x2d0, product 0xa9a6) at sdmmc1 function 2
not configured
[   1.6696310] (manufacturer 0x2d0, product 0xa9a6, standard function
interface code 0x2) at sdmmc1 function 3 not configured
[   1.6807857] swwdog0: software watchdog initialized
[   1.6807857] WARNING: 3 errors while detecting hardware; check system log