[Bug 274237] boot hangs on initializing XHCI controller on SBSA Reference Platform

Reply: bugzilla-noreply_a_freebsd.org: "[Bug 274237] boot hangs on initializing XHCI controller on SBSA Reference Platform"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 03 Oct 2023 12:43:36 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274237

            Bug ID: 274237
           Summary: boot hangs on initializing XHCI controller on SBSA
                    Reference Platform
           Product: Base System
           Version: 13.2-RELEASE
          Hardware: arm64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: arm
          Assignee: freebsd-arm@FreeBSD.org
          Reporter: marcin.juszkiewicz@linaro.org

I work on SBSA Reference Platform (sbsa-ref in QEMU) and decided to check how
*BSD systems work on it.

NetBSD 10 boots, OpenBSD 7.3 boots, FreeBSD 14/15 boot fine.

FreeBSD 13.2 hangs on initializing XHCI controller:

OK set hw.usb.debug=255
OK set hw.usb.xhci.debug=255
OK boot
Loading kernel...
/boot/kernel/kernel text=0x2a8 text=0x8d5250 text=0x212d5c data=0x1ae510
data=0x
0+0x2a9000 0x8+0x1295d0+0x8+0x14e631-
Loading configured modules...
can't find '/boot/entropy'
can't find '/etc/hostid'
No valid device tree blob found!
WARNING! Trying to fire up the kernel, but no device tree blob found!
EFI framebuffer information:
addr, size     0x80000000, 0x3e8000
dimensions     1280 x 800
stride         1280
masks          0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000
---<<BOOT>>---
Copyright (c) 1992-2021 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 13.2-RELEASE releng/13.2-n254617-525ecfdad597 GENERIC arm64
FreeBSD clang version 14.0.5 (https://github.com/llvm/llvm-project.git
llvmorg-14.0.5-0-gc12386ae247c)
VT(efifb): resolution 1280x800
module firmware already present!
real memory  = 4294967296 (4096 MB)
avail memory = 4160184320 (3967 MB)
Starting CPU 1 (1)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
arc4random: WARNING: initial seeding bypassed the cryptographic random device
because it was not yet seeded and the knob 'bypass_before_seeding' was enabled.
random: entropy device external interface
MAP 100fbdf0000 mode 2 pages 128
MAP 100fbe70000 mode 2 pages 160
MAP 100fbf10000 mode 2 pages 80
MAP 100fbfb0000 mode 2 pages 80
MAP 100ff500000 mode 2 pages 400
MAP 100ff690000 mode 2 pages 592
MAP 10000000 mode 0 pages 1728
MAP 60010000 mode 0 pages 1
kbd0 at kbdmux0
acpi0: <LINARO SBSAQEMU>
acpi0: Power Button (fixed)
acpi0: Sleep Button (fixed)
acpi0: Could not update all GPEs: AE_NOT_CONFIGURED
psci0: <ARM Power State Co-ordination Interface Driver> on acpi0
gic0: <ARM Generic Interrupt Controller v3.0> iomem
0x40060000-0x4007ffff,0x40080000-0x4407ffff on acpi0
its0: <ARM GIC Interrupt Translation Service> mem 0x44081000-0x440a0fff on gic0
generic_timer0: <ARM Generic Timer> irq 3,4,5 on acpi0
Timecounter "ARM MPCore Timecounter" frequency 62500000 Hz quality 1000
Event timer "ARM MPCore Eventtimer" frequency 62500000 Hz quality 1000
efirtc0: <EFI Realtime Clock>
efirtc0: registered as a time-of-day clock, resolution 1.000000s
uart0: <PrimeCell UART (PL011)> iomem 0x60000000-0x60000fff irq 0 on acpi0
uart0: console (115200,n,8,1)
ahci0: <AHCI SATA controller> iomem 0x60100000-0x6010ffff irq 1 on acpi0
ahci0: AHCI v1.00 with 6 1.5Gbps ports, Port Multiplier not supported
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich1: <AHCI channel> at channel 1 on ahci0
ahcich2: <AHCI channel> at channel 2 on ahci0
ahcich3: <AHCI channel> at channel 3 on ahci0
ahcich4: <AHCI channel> at channel 4 on ahci0
ahcich5: <AHCI channel> at channel 5 on ahci0
xhci0: <Generic USB 3.0 controller> iomem 0x60110000-0x6011ffff irq 2 on acpi0
xhci_init:
xhci_init: CAPLENGTH=0x40
xhci_init: RUNTIMEOFFSET=0x1000
xhci_init: DOOROFFSET=0x2000
xhci_init: xHCI version = 0x0000
xhci_init: HCS0 = 0x00087001
xhci0: 32 bytes context size, 32-bit DMA
xhci_init: Max slots: 64
xhci_init: HCS2=0x0000000f
xhci_init: Max scratch: 0


FreeBSD 14 it works:

xhci0: <Generic USB 3.0 controller> iomem 0x60110000-0x6011ffff irq 2 on acpi0
xhci_init:
xhci_init: CAPLENGTH=0x40
xhci_init: RUNTIMEOFFSET=0x1000
xhci_init: DOOROFFSET=0x2000
xhci_init: xHCI version = 0x0000
xhci_init: HCS0 = 0x00087001
xhci0: 32 bytes context size, 64-bit DMA
xhci_init: Max slots: 64
xhci_init: HCS2=0x0000000f
xhci_init: Max scratch: 0
xhci_start_controller:
xhci_reset_controller:
xhci_start_controller: CONFIG=0x00000000 -> 0x00000040
xhci_start_controller: ERSTSZ=0x00000000 -> 0x00000001
xhci_start_controller: ERDP(0)=0x00000100fb109080
xhci_start_controller: ERSTBA(0)=0x00000100fb109000
xhci_start_controller: CRCR=0x00000100fb109f00
usbus0 on xhci0



Platform is QEMU HEAD version 8.1.50 (v8.1.0-1146-g50d0bfd0ed)

QEMU command line arguments:

-drive file=disks/FreeBSD-13.2-RELEASE-arm64-aarch64-bootonly.iso,media=cdrom
-machine sbsa-ref
-m 4096
-smp 2
-cpu neoverse-v1
-drive
file=fat:rw:/home/marcin/devel/linaro/sbsa-qemu/sbsa-ref-status/disks/virtual/,format=raw
-drive
format=raw,file=/home/marcin/devel/linaro/sbsa-qemu/sbsa-ref-status/disks/full-debian.hddimg
-device usb-kbd
-device usb-tablet
-watchdog-action none
-no-reboot
-monitor telnet::45454,server,nowait
-serial stdio
-nographic
-drive if=pflash,file=firmware/SBSA_FLASH0.fd,format=raw
-drive if=pflash,file=firmware/SBSA_FLASH1.fd,format=raw

Firmware files are available: https://fedora.juszkiewicz.com.pl/sbsa-ref/

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