Device Tree • Re: DTB for Raspberry Pi Model 1-A+ board

Command :
sudo qemu-system-aarch64 -M raspi1ap -append "rw earlyprintk loglevel=8 console=ttyAMA0,115200 dwc_otg.lpm_enable=0 root=/dev/mmcblk0p2 rootdelay=1" -dtb ./dtbs/bcm2708-rpi-b.dtb -sd Raspberry_Lite_2025.img -kernel ./kernels/kernel.img -m 512M -serial stdio -usb -device usb-mouse -device usb-kbd

Debug Messages

[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 6.12.25+rpt-rpi-v6 (serge@raspberrypi.com) (arm-linux-gnueabihf-gcc-12 (Raspbian 12.2.0-14+rpi1) 12.2.0, GNU ld (GNU Binutils for Raspbian) 2.40) #1 Raspbian 1:6.12.25-1+rpt1 (2025-04-30)
[ 0.000000] CPU: ARMv6-compatible processor [410fb767] revision 7 (ARMv7), cr=00c5387d
[ 0.000000] CPU: VIPT aliasing data cache, unknown instruction cache
[ 0.000000] OF: fdt: Machine model: Raspberry Pi Model B
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] Reserved memory: created CMA memory pool at 0x18000000, size 64 MiB
[ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool
[ 0.000000] OF: reserved mem: 0x18000000..0x1bffffff (65536 KiB) map reusable linux,cma
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x0000000000000000-0x000000001bffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x000000001bffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000001bffffff]
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Kernel command line: rw earlyprintk loglevel=8 console=ttyAMA0,115200 dwc_otg.lpm_enable=0 root=/dev/mmcblk0p2 rootdelay=1
[ 0.000000] Unknown kernel command line parameters "earlyprintk", will be passed to user space.
[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes, linear)
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 114688
[ 0.000000] mem auto-init: stack:all(zero), heap alloc:off, heap free:off
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] ftrace: allocating 35824 entries in 106 pages
[ 0.000000] ftrace: allocated 105 pages with 4 groups
[ 0.000000] RCU Tasks Rude: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1.
[ 0.000000] RCU Tasks Trace: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1.
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000205] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2147483647500ns
[ 0.000790] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns
[ 0.003945] bcm2835: system timer (irq = 27)
[ 0.008852] Console: colour dummy device 80x30
[ 0.010561] Calibrating delay loop... 675.02 BogoMIPS (lpj=3375104)
[ 0.107058] CPU: Testing write buffer coherency: ok
[ 0.109079] pid_max: default: 32768 minimum: 301
[ 0.110657] LSM: initializing lsm=capability
[ 0.114282] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.114343] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 0.192023] Setting up static identity map for 0x8220 - 0x8258
[ 0.195592] Memory: 370096K/458752K available (10390K kernel code, 1513K rwdata, 3296K rodata, 472K init, 370K bss, 21084K reserved, 65536K cma-reserved)
[ 0.205746] devtmpfs: initialized
[ 0.224626] VFP support v0.3: implementor 41 architecture 1 part 20 variant b rev 5
[ 0.247883] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.248881] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[ 0.267993] pinctrl core: initialized pinctrl subsystem
[ 0.291570] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 0.303749] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.309586] audit: initializing netlink subsys (disabled)
[ 0.324596] thermal_sys: Registered thermal governor 'step_wise'
[ 0.325586] hw-breakpoint: debug architecture 0x0 unsupported.
[ 0.327153] audit: type=2000 audit(0.300:1): state=initialized audit_enabled=0 res=1
[ 0.328302] Serial: AMBA PL011 UART driver
[ 0.355165] bcm2835-mbox 2000b880.mailbox: mailbox enabled
[ 0.379219] raspberrypi-firmware soc:firmware: Attached to firmware from 1970-01-05T00:12:17, variant unknown
[ 0.389519] raspberrypi-firmware soc:firmware: Firmware hash is 0000000000000000000000000000000000000000
[ 0.407630] kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible.
[ 0.434625] bcm2835-dma 20007000.dma-controller: DMA legacy API manager, dmachans=0x1
[ 0.439835] SCSI subsystem initialized
[ 0.452626] usbcore: registered new interface driver usbfs
[ 0.453016] usbcore: registered new interface driver hub
[ 0.453247] usbcore: registered new device driver usb
[ 0.457699] pps_core: LinuxPPS API ver. 1 registered
[ 0.457736] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.457840] PTP clock support registered
[ 0.495787] clocksource: Switched to clocksource timer
[ 2.098925] VFS: Disk quotas dquot_6.6.0
[ 2.099111] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 2.142133] NET: Registered PF_INET protocol family
[ 2.144128] IP idents hash table entries: 8192 (order: 4, 65536 bytes, linear)
[ 2.152801] tcp_listen_portaddr_hash hash table entries: 1024 (order: 0, 4096 bytes, linear)
[ 2.152936] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 2.153049] TCP established hash table entries: 4096 (order: 2, 16384 bytes, linear)
[ 2.153188] TCP bind hash table entries: 4096 (order: 3, 32768 bytes, linear)
[ 2.153381] TCP: Hash tables configured (established 4096 bind 4096)
[ 2.154474] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 2.154748] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 2.157394] NET: Registered PF_UNIX/PF_LOCAL protocol family
[ 2.161591] RPC: Registered named UNIX socket transport module.
[ 2.161668] RPC: Registered udp transport module.
[ 2.161687] RPC: Registered tcp transport module.
[ 2.161702] RPC: Registered tcp-with-tls transport module.
[ 2.161715] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 2.172209] Initialise system trusted keyrings
[ 2.178418] workingset: timestamp_bits=14 max_order=17 bucket_order=3
[ 2.184486] NFS: Registering the id_resolver key type
[ 2.185067] Key type id_resolver registered
[ 2.185130] Key type id_legacy registered
[ 2.185965] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 2.186080] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
[ 2.191260] Key type asymmetric registered
[ 2.191367] Asymmetric key parser 'x509' registered
[ 2.191707] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)
[ 2.191873] io scheduler mq-deadline registered
[ 2.191960] io scheduler kyber registered
[ 2.192432] io scheduler bfq registered
[ 2.202984] pinctrl-bcm2835 20200000.gpio: GPIO_OUT persistence: yes
[ 2.221208] ledtrig-cpu: registered to indicate activity on CPUs
[ 2.225876] bcm2708_fb soc:fb: FB found 1 display(s)
[ 2.296775] Console: switching to colour frame buffer device 100x30
[ 2.301495] bcm2708_fb soc:fb: Registered framebuffer for display 0, size 800x480
[ 2.316276] bcm2835-rng 20104000.rng: hwrng registered
[ 2.317515] random: crng init done
[ 2.318572] vc-mem: phys_addr:0x00000000 mem_base=0x00000000 mem_size:0x00000000(0 MiB)
[ 2.356123] brd: module loaded
[ 2.372145] loop: module loaded
[ 2.374226] Loading iSCSI transport class v2.0-870.
[ 2.379207] usbcore: registered new interface driver smsc95xx
[ 2.379312] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[ 2.586295] Core Release: 2.94a
[ 2.586563] Setting default values for core params
[ 2.587956] Finished setting default values for core params
[ 2.791801] Using Buffer DMA mode
[ 2.791883] Periodic Transfer Interrupt Enhancement - disabled
[ 2.791913] Multiprocessor Interrupt Enhancement - disabled
[ 2.791987] OTG VER PARAM: 0, OTG VER FLAG: 0
[ 2.792396] Shared Tx FIFO mode
[ 2.796295]
[ 2.796330] WARN::dwc_otg_hcd_init FIQ DMA bounce buffers: virt = d8054000 dma = 0x98054000 len=9024
[ 2.796768] FIQ FSM acceleration enabled for :
[ 2.796768] Non-periodic Split Transactions
[ 2.796768] Periodic Split Transactions
[ 2.796768] High-Speed Isochronous Endpoints
[ 2.796768] Interrupt/Control Split Transaction hack enabled
[ 2.796822] dwc_otg: Microframe scheduler enabled
[ 2.797247]
[ 2.797259] WARN::hcd_init_fiq:457: FIQ on core 0
[ 2.797310]
[ 2.797316] WARN::hcd_init_fiq:458: FIQ ASM at c07799dc length 36
[ 2.797533]
[ 2.797540] WARN::hcd_init_fiq:496: MPHI regs_base at dc810000
[ 2.798015] dwc_otg 20980000.usb: DWC OTG Controller
[ 2.798656] dwc_otg 20980000.usb: new USB bus registered, assigned bus number 1
[ 2.799455] dwc_otg 20980000.usb: irq 56, io mem 0x00000000
[ 2.800199] Init: Port Power? op_state=1
[ 2.800238] Init: Power Port (1)
[ 2.806079] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.12
[ 2.806166] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2.806206] usb usb1: Product: DWC OTG Controller
[ 2.806250] usb usb1: Manufacturer: Linux 6.12.25+rpt-rpi-v6 dwc_otg_hcd
[ 2.806285] usb usb1: SerialNumber: 20980000.usb
[ 2.811005] hub 1-0:1.0: USB hub found
[ 2.811723] hub 1-0:1.0: 1 port detected
[ 2.819783] dwc_otg: FIQ enabled
[ 2.819830] dwc_otg: NAK holdoff enabled
[ 2.819852] dwc_otg: FIQ split-transaction FSM enabled
[ 2.819936] Module dwc_common_port init
[ 2.821025] usbcore: registered new interface driver usb-storage
[ 2.822184] mousedev: PS/2 mouse device common for all mice
[ 2.840170] sdhci: Secure Digital Host Controller Interface driver
[ 2.840212] sdhci: Copyright(c) Pierre Ossman
[ 2.841260] sdhci-pltfm: SDHCI platform and OF driver helper
[ 2.841510] hid: raw HID events driver (C) Jiri Kosina
[ 2.842153] usbcore: registered new interface driver usbhid
[ 2.842189] usbhid: USB HID core driver
[ 2.855045] armv6-pmu arm-pmu: hw perfevents: no irqs for PMU, sampling events not supported
[ 2.857171] hw perfevents: enabled with armv6_1176 PMU driver, 3 (00000007) counters available
[ 2.862359] Initializing XFRM netlink socket
[ 2.862883] NET: Registered PF_PACKET protocol family
[ 2.864302] Key type dns_resolver registered
[ 2.910924] registered taskstats version 1
[ 2.912921] Loading compiled-in X.509 certificates
[ 2.947973] Indeed it is in host mode hprt0 = 00021101
[ 3.015584] uart-pl011 20201000.serial: cts_event_workaround enabled
[ 3.018962] 20201000.serial: ttyAMA0 at MMIO 0x20201000 (irq = 81, base_baud = 0) is a PL011 rev2
[ 3.021134] printk: legacy console [ttyAMA0] enabled
[ 3.088059] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[ 3.089747] 8<--- cut here ---
[ 3.089997] Unhandled fault: external abort on non-linefetch (0x008) at 0xdc961020
[ 3.090462] [dc961020] *pgd=17fdb841, *pte=2000a653, *ppte=2000a417
[ 3.091611] Internal error: : 8 [#1] ARM
[ 3.092046] Modules linked in:
[ 3.092655] CPU: 0 UID: 0 PID: 17 Comm: kworker/u4:1 Not tainted 6.12.25+rpt-rpi-v6 #1 Raspbian 1:6.12.25-1+rpt1
[ 3.093293] Hardware name: BCM2835
[ 3.093932] Workqueue: events_unbound deferred_probe_work_func
[ 3.095855] PC is at bcm2835_power_probe+0x64/0x27c
[ 3.096243] LR is at devm_kmalloc+0x84/0xc0
[ 3.096614] pc : [<c0665878>] lr : [<c06c9184>] psr: a0000013
[ 3.096935] sp : dc869c10 ip : 00000002 fp : 00000000
[ 3.097236] r10: c19f1a00 r9 : c0f2ece4 r8 : c0a7fbe4
[ 3.097544] r7 : 00000000 r6 : c19f1a10 r5 : c1ab8020 r4 : c19f3360
[ 3.097900] r3 : dc961000 r2 : 00000000 r1 : c1ab8000 r0 : c1ab8020
[ 3.098356] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
[ 3.098754] Control: 00c5387d Table: 00004008 DAC: 00000051
[ 3.099147] Register r0 information: non-slab/vmalloc memory
[ 3.099891] Register r1 information: non-slab/vmalloc memory
[ 3.100200] Register r2 information: NULL pointer
[ 3.100548] Register r3 information: 0-page vmalloc region starting at 0xdc961000 allocated at __devm_ioremap_resource+0x184/0x1c0
[ 3.101224] Register r4 information: slab kmalloc-64 start c19f3340 pointer offset 32 size 64
[ 3.102076] Register r5 information: non-slab/vmalloc memory
[ 3.102486] Register r6 information: slab kmalloc-512 start c19f1a00 pointer offset 16 size 512
[ 3.102990] Register r7 information: NULL pointer
[ 3.103266] Register r8 information: non-slab/vmalloc memory
[ 3.103608] Register r9 information: non-slab/vmalloc memory
[ 3.103906] Register r10 information: slab kmalloc-512 start c19f1a00 pointer offset 0 size 512
[ 3.104421] Register r11 information: NULL pointer
[ 3.104695] Register r12 information: non-paged memory
[ 3.105029] Process kworker/u4:1 (pid: 17, stack limit = 0xbe7e6657)
[ 3.105911] Stack: (0xdc869c10 to 0xdc86a000)
[ 3.106340] 9c00: c19f1a10 c0f2ece4 ffffffff 00000000
[ 3.106802] 9c20: c19f1a10 c0f29b48 00000000 c0a7fbe4 c0f2ece4 ffffffff 00000000 c06c6828
[ 3.107216] 9c40: c19f1a10 00000000 c0f29b48 00000000 c0a7fbe4 c06c4040 c19f1a10 c0f29b48
[ 3.107705] 9c60: c19f1a10 00000007 c0a7fbe4 c06c42d8 ffffff08 ffff0a00 c0fe88b8 c0f29b48
[ 3.108150] 9c80: c19f1a10 00000007 c0a7fbe4 c06c44c4 00000001 c0f29b48 dc869cec c19f1a10
[ 3.108731] 9ca0: c0a7fbe4 c06c4638 00000000 dc869cec c06c459c c101bb40 c0a7fbe4 c06c2144
[ 3.109216] 9cc0: c0f2ece4 c101bb9c c121dbd4 75b35a14 c19f1a54 c19f1a10 c19f1a54 00000001
[ 3.109748] 9ce0: c101bb40 c06c496c 00000000 c19f1a10 00000001 75b35a14 c19f1a10 c19f1a10
[ 3.110181] 9d00: 00000000 c06c3114 c19f1a10 00000000 00000000 c11f7210 c0a7fbe4 c06bffd8
[ 3.110670] 9d20: 00000000 c19f1a10 ffffffff c09f7190 00000000 75b35a14 c19f1a00 00000000
[ 3.111132] 9d40: 00000000 c19f1a00 c19f1a10 00000000 c19f1a10 c06c6468 00000000 c0a7ea70
[ 3.111621] 9d60: c11f7210 c19f1a00 00000000 c19f1a10 ffffffff c06e9828 00000000 c0223f8c
[ 3.112083] 9d80: 00000000 00000010 00000000 75b35a14 00000004 00000dc0 ffffffff 75b35a14
[ 3.112637] 9da0: c06e9a50 00000000 00000000 c11f7210 00000001 ffffffff 00000000 c0a7ea70
[ 3.113105] 9dc0: 00000000 c06e9a98 00000000 00000000 c11f7210 c19f3660 c11cbc60 75b35a14
[ 3.113730] 9de0: c0ca7090 c11f7200 c19f3360 c11f7210 00000000 d7be124c c0f2eed8 c123a040
[ 3.114199] 9e00: 61c88647 c06e77f4 00000000 00000000 00000000 dc869e30 00000000 c11f7210
[ 3.114708] 9e20: c0f304e0 00000000 c101c405 c06c6828 c11f7210 00000000 c0f304e0 00000000
[ 3.115162] 9e40: c101c405 c06c4040 c11f7210 c0f304e0 c11f7210 00000006 c101c405 c06c42d8
[ 3.115663] 9e60: 60000013 c0f2eed8 c0fe88b8 c0f304e0 c11f7210 00000006 c101c405 c06c44c4
[ 3.116127] 9e80: 00000001 c0f304e0 dc869edc c11f7210 c101c405 c06c4638 00000000 dc869edc
[ 3.116617] 9ea0: c06c459c c101bb40 c101c405 c06c2144 c0f2eed8 c101bb9c c128a1b4 75b35a14
[ 3.117078] 9ec0: c11f7254 c11f7210 c11f7254 00000001 c101bb40 c06c496c 00000001 c11f7210
[ 3.117564] 9ee0: 00000001 75b35a14 c11f7210 c11f7210 c0f2eeb0 c06c3114 c11f7210 c0f2eea4
[ 3.118029] 9f00: c0f2eeb0 00000000 c101c405 c06c35cc c11fec00 c0f2eed4 00800000 c101c400
[ 3.118562] 9f20: c101c405 c003f1c8 00000200 c123a040 c11fec2c c1010600 c0e947c0 c1010600
[ 3.119081] 9f40: c101061c c11fec00 c11fec2c c1010600 c0e947c0 c1010600 c101061c c003fdb4
[ 3.119600] 9f60: c101061c c11fec2c dc83dec8 c11fb920 c123a040 c003fb30 c11fec00 c11fc480
[ 3.120064] 9f80: dc83dec8 00000000 00000000 c0046930 c11fb920 c004686c 00000000 00000000
[ 3.120577] 9fa0: 00000000 00000000 00000000 c000834c 00000000 00000000 00000000 00000000
[ 3.121039] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 3.121524] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[ 3.122086] Call trace:
[ 3.122727] bcm2835_power_probe from platform_probe+0x60/0xb8
[ 3.123356] platform_probe from really_probe+0xcc/0x2d8
[ 3.123701] really_probe from __driver_probe_device+0x8c/0x1a4
[ 3.124067] __driver_probe_device from driver_probe_device+0x34/0x10c
[ 3.124465] driver_probe_device from __device_attach_driver+0x9c/0x10c
[ 3.124848] __device_attach_driver from bus_for_each_drv+0x98/0xec
[ 3.125205] bus_for_each_drv from __device_attach+0xac/0x1b0
[ 3.125674] __device_attach from bus_probe_device+0x90/0x94
[ 3.125949] bus_probe_device from device_add+0x56c/0x770
[ 3.126209] device_add from platform_device_add+0xe4/0x1fc
[ 3.126594] platform_device_add from mfd_add_device+0x404/0x504
[ 3.126939] mfd_add_device from devm_mfd_add_devices+0x9c/0x140
[ 3.127253] devm_mfd_add_devices from bcm2835_pm_probe+0x138/0x1d0
[ 3.127583] bcm2835_pm_probe from platform_probe+0x60/0xb8
[ 3.127891] platform_probe from really_probe+0xcc/0x2d8
[ 3.128152] really_probe from __driver_probe_device+0x8c/0x1a4
[ 3.128500] __driver_probe_device from driver_probe_device+0x34/0x10c
[ 3.128876] driver_probe_device from __device_attach_driver+0x9c/0x10c
[ 3.129282] __device_attach_driver from bus_for_each_drv+0x98/0xec
[ 3.129691] bus_for_each_drv from __device_attach+0xac/0x1b0
[ 3.129977] __device_attach from bus_probe_device+0x90/0x94
[ 3.130343] bus_probe_device from deferred_probe_work_func+0x7c/0xa8
[ 3.130681] deferred_probe_work_func from process_one_work+0x134/0x340
[ 3.131046] process_one_work from worker_thread+0x284/0x448
[ 3.131407] worker_thread from kthread+0xc4/0xe4
[ 3.131662] kthread from ret_from_fork+0x14/0x28
[ 3.131959] Exception stack(0xdc869fb0 to 0xdc869ff8)
[ 3.132258] 9fa0: 00000000 00000000 00000000 00000000
[ 3.132685] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 3.133084] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 3.133640] Code: e594200c e3530000 e585200c 0a00000c (e5933020)
[ 3.134278] ---[ end trace 0000000000000000 ]---
[ 3.134763] note: kworker/u4:1[17] exited with irqs disabled
[ 3.196720] usb 1-1: new full-speed USB device number 2 using dwc_otg

Statistics: Posted by gtn — Thu Jul 10, 2025 3:15 pm