Hello Ahmad. Yes, this caused by of_set_root_node(NULL);
The code uses this trick for reload correct aliases after load overlay. https://github.com/MacroGroup/barebox/blob/macro/arch/arm/boards/diasom-rk3568/board.c#L495 ср, 20 мая 2026 г. в 16:38, Ahmad Fatoum <[email protected]>: > > Hello, > > On 5/20/26 3:27 PM, Alexander Shiyan wrote: > > Hello Sascha. > > > > Yes, that's how it works. > > > > The new version adds a different trap, but it's most likely a board > > issue; I'll investigate. > > Let me know what you find out. I assume that the write of > $barebox,root-node failed, but I am at loss why. > > If your board code available publicly? > > Cheers, > Ahmad > > > > > Thanks! > > > >> rockchip-dmc: rockchip_sdram_size(reg2=1000ea01, reg3=30000031) > > rockchip-dmc: rank 2 cs0_col 10 cs1_col 10 bk 3 cs0_row 17 cs1_row 17 > > bw 2 row_3_4 0 > > rockchip-dmc: rk3568_ram_sizes() = 8589934592 > > uncompress.c: memory at 0x00a00000, size 0xef600000 > > endmem = 0xf0000000 > > arm_mem_optee = 0xee000000+0x02000000 > > arm_mem_scratch = 0xedff8000+0x00008000 > > arm_mem_stack = 0xedff0000+0x00008000 > > arm_mem_ttb = 0xedf80000+0x00040000 > > arm_mem_barebox_image = 0xedc00000+0x00400000 > > arm_mem_early_malloc = 0xedbe0000+0x00020000 > > membase = 0x00a00000+0xef600000 > > mmu: enabling MMU, ttb @ 0xedf80000 > > mmu: __arch_remap_range: 0x00000000+0x8000000000 type UNCACHED > > mmu: __arch_remap_range: 0x8000000000+0x8000000000 type UNCACHED > > mmu: __arch_remap_range: 0x00a00000+0xef600000 type RWX > > mmu: __arch_remap_range: 0x08400000+0x2000000 type FAULT > > mmu: __arch_remap_range: 0x00b00000+0x60000 type RWX > > uncompress.c: uncompressing barebox ELF at 0x0000000000b60680 (size > > 0x000737a4) to 0xedc00000 (uncompressed size: 0x001bb598) > > uncompress.c: relocating ELF in place > > In-place ELF relocation: text_vaddr=0x0, text_offset=0x10000, > > load_addr=00000000edc00000, offset=0xedc10000 > > In-place ELF relocation completed successfully > > pbl-mmu: Setting up MMU from ELF segments > > pbl-mmu: Segment 0 not page-aligned, rounding > > pbl-mmu: Segment 0: addr=0xedc10000 size=0x000b6000 flags=0x5 [R-X] -> > > mmu_flags=0x3 > > mmu: __arch_remap_range: 0xedc10000+0xb6000 type CODE > > pbl-mmu: Segment 1 not page-aligned, rounding > > pbl-mmu: Segment 1: addr=0xedcc6000 size=0x000b9000 flags=0x4 [R--] -> > > mmu_flags=0x4 > > mmu: __arch_remap_range: 0xedcc6000+0xb9000 type RO > > pbl-mmu: Segment 3 not page-aligned, rounding > > pbl-mmu: Segment 3: addr=0xedd7f000 size=0x00047000 flags=0x6 [RW-] -> > > mmu_flags=0x1 > > mmu: __arch_remap_range: 0xedd7f000+0x47000 type CACHED > > pbl-mmu: MMU setup from ELF complete > > uncompress.c: jumping to ELF entry point at 0x00000000edcc2c9c > > start.c: memory at 0x00a00000, size 0xef600000 > > start.c: initializing malloc pool at 0xadc10000 (size 0x40000000) > > start.c: starting barebox... > > initcall-> command_slice_init+0x0/0x3c > > initcall-> globalvar_init+0x0/0x8c > > initcall-> register_bus_class+0x0/0x20 > > initcall-> platform_init+0x0/0x1c > > initcall-> mdio_bus_init+0x0/0x1c > > initcall-> register_mii_class+0x0/0x20 > > initcall-> usb_bus_init+0x0/0x1c > > initcall-> otg_bus_init+0x0/0x1c > > initcall-> register_udc_class+0x0/0x20 > > initcall-> spi_bus_init+0x0/0x1c > > initcall-> i2c_bus_init+0x0/0x1c > > initcall-> register_i2c_adapter_class+0x0/0x20 > > initcall-> register_mmc_class+0x0/0x20 > > initcall-> register_fb_class+0x0/0x20 > > initcall-> register_backlight_class+0x0/0x20 > > initcall-> nvmem_init+0x0/0x14 > > initcall-> register_nvmem_class+0x0/0x20 > > initcall-> register_watchdog_class+0x0/0x20 > > initcall-> gpio_desc_alloc+0x0/0x24 > > initcall-> pci_bus_init+0x0/0x1c > > initcall-> scmi_bus_driver_init+0x0/0x40 > > initcall-> register_phy_class+0x0/0x20 > > initcall-> register_eth_class+0x0/0x20 > > initcall-> fs_bus_init+0x0/0x1c > > initcall-> defaultenv_init+0x0/0x6c > > initcall-> console_common_init+0x0/0xac > > initcall-> partitions_init+0x0/0x50 > > initcall-> genpd_bus_init+0x0/0x1c > > initcall-> rk_clk_gate_link_driver_register+0x0/0x1c > > initcall-> clk_rk3568_driver_register+0x0/0x1c > > initcall-> clk_rk3588_driver_register+0x0/0x1c > > initcall-> scmi_clocks_driver_register+0x0/0x1c > > initcall-> gated_fixed_clk_driver_register+0x0/0x1c > > initcall-> gpio_gate_clock_driver_register+0x0/0x1c > > initcall-> syscon_driver_register+0x0/0x1c > > initcall-> rockchip_gpio_driver_register+0x0/0x1c > > initcall-> rockchip_pinctrl_driver_register+0x0/0x1c > > initcall-> simple_pm_bus_driver_register+0x0/0x1c > > initcall-> scmi_drv_register+0x0/0x1c > > initcall-> scmi_reset_driver_register+0x0/0x1c > > initcall-> arm_scmi_driver_register+0x0/0x1c > > initcall-> scmi_power_domain_driver_register+0x0/0x1c > > initcall-> aarch64_init_vectors+0x0/0x50 > > initcall-> of_arm_init+0x0/0x2c > > deep-probe: enabled in device tree > > initcall-> register_autoboot_vars+0x0/0x7c > > initcall-> system_partitions_var_init+0x0/0x50 > > initcall-> register_env_vars+0x0/0x30 > > initcall-> mipi_dsi_bus_init+0x0/0x1c > > initcall-> arm_arch_timer_driver_register+0x0/0x1c > > initcall-> of_init_early_vars+0x0/0x8 > > initcall-> of_timer_init+0x0/0x20 > > initcall-> rockchip_pm_domain_drv_register+0x0/0x1c > > initcall-> net_init+0x0/0x94 > > initcall-> init_fs+0x0/0x2c > > initcall-> rockchip_init+0x0/0xe8 > > initcall-> ns16550_serial_driver_register+0x0/0x1c > > initcall-> dos_partition_init+0x0/0x1c > > initcall-> efi_partition_init+0x0/0x1c > > initcall-> of_stdoutpath_init+0x0/0x28 > > Switch to console [cs0] > > > > > > barebox 2026.05.0-00773-g4ba3c57b6144-dirty #5 Wed May 20 16:20:30 MSK 2026 > > > > > > Board: Diasom DS-RK3568-SMARC-EVB > > start.c: memory at 0x00a00000, size 0xef600000 > > start.c: initializing malloc pool at 0xadc10000 (size 0x40000000) > > start.c: starting barebox... > > initcall-> command_slice_init+0x0/0x3c > > initcall-> globalvar_init+0x0/0x8c > > initcall-> register_bus_class+0x0/0x20 > > initcall-> platform_init+0x0/0x1c > > initcall-> mdio_bus_init+0x0/0x1c > > initcall-> register_mii_class+0x0/0x20 > > initcall-> usb_bus_init+0x0/0x1c > > initcall-> otg_bus_init+0x0/0x1c > > initcall-> register_udc_class+0x0/0x20 > > initcall-> spi_bus_init+0x0/0x1c > > initcall-> i2c_bus_init+0x0/0x1c > > initcall-> register_i2c_adapter_class+0x0/0x20 > > initcall-> register_mmc_class+0x0/0x20 > > initcall-> register_fb_class+0x0/0x20 > > initcall-> register_backlight_class+0x0/0x20 > > initcall-> nvmem_init+0x0/0x14 > > initcall-> register_nvmem_class+0x0/0x20 > > initcall-> register_watchdog_class+0x0/0x20 > > initcall-> gpio_desc_alloc+0x0/0x24 > > initcall-> pci_bus_init+0x0/0x1c > > initcall-> scmi_bus_driver_init+0x0/0x40 > > initcall-> register_phy_class+0x0/0x20 > > initcall-> register_eth_class+0xinitcall-> of_probe_memory+0x0/0x60 > > initcall-> rockchip_dmc_driver_init+0x0/0x324 > > rockchip-dmc memory-controller.of: Detected memory size: 0x200000000 > > initcall-> __image_start+0x0/0x74 > > initcall-> mem_register_barebox+0x0/0x4c > > initcall-> of_reserved_mem_walk+0x0/0x1bc > > initcall-> mmu_init+0x0/0x1e0 > > initcall-> mem_malloc_resource+0x0/0xdc > > initcall-> reset_source_init+0x0/0x50 > > initcall-> usbgadget_globalvars_init+0x0/0x44 > > initcall-> bootsource_init+0x0/0x40 > > initcall-> usb_udc_init+0x0/0x20 > > initcall-> rockchip_spi_driver_register+0x0/0x1c > > initcall-> rk3x_i2c_driver_register+0x0/0x1c > > initcall-> rk808_spi_driver_register+0x0/0x28 > > initcall-> rk808_i2c_driver_register+0x0/0x28 > > initcall-> regulator_fixed_driver_register+0x0/0x1c > > initcall-> rockchip_usb2phy_driver_register+0x0/0x1c > > initcall-> rockchip_combphy_driver_register+0x0/0x1c > > initcall-> rockchip_p3phy_driver_register+0x0/0x1c > > initcall-> rk_udphy_driver_register+0x0/0x1c > > initcall-> rockchip_iodomain_driver_register+0x0/0x1c > > initcall-> digest_hmac_initcall+0x0/0x44 > > initcall-> sha1_digest_register+0x0/0x1c > > initcall-> sha256_digest_register+0x0/0x1c > > initcall-> ext_init+0x0/0x1c > > initcall-> ramfs_init+0x0/0x1c > > initcall-> tftp_init+0x0/0x38 > > initcall-> nfs_init+0x0/0x5c > > initcall-> fat_init+0x0/0x1c > > initcall-> diasom_rk3568_driver_register+0x0/0x1c > > initcall-> diasom_rk3588_driver_register+0x0/0x1c > > initcall-> psci_driver_register+0x0/0x1c > > initcall-> arm_request_stack+0x0/0x4c > > initcall-> mount_root+0x0/0x74 > > initcall-> binfmt_sh_init+0x0/0x1c > > initcall-> binfmt_uimage_init+0x0/0x1c > > initcall-> png_init+0x0/0x1c > > initcall-> extlinux_init+0x0/0x1c > > initcall-> of_kernel_init+0x0/0x28 > > initcall-> console_ctrlc_init+0x0/0x30 > > initcall-> firmware_init+0x0/0x38 > > initcall-> bootdef_entry_init+0x0/0x1c > > initcall-> fastboot_globalvars_init+0x0/0x12c > > initcall-> genphy_driver_register+0x0/0x1c > > initcall-> realtek_drvs_register+0x0/0x20 > > initcall-> mdio_gpio_driver_register+0x0/0x1c > > initcall-> rk_gmac_driver_register+0x0/0x1c > > initcall-> rtl8169_eth_driver_register+0x0/0x1c > > initcall-> usb_hub_init+0x0/0x1c > > initcall-> dwc3_driver_register+0x0/0x1c > > initcall-> usb_stor_init+0x0/0x1c > > initcall-> ehci_driver_register+0x0/0x1c > > initcall-> xhci_driver_register+0x0/0x1c > > initcall-> gsermod_init+0x0/0x1c > > initcall-> acmmod_init+0x0/0x1c > > initcall-> dfumod_init+0x0/0x1c > > initcall-> fastbootmod_init+0x0/0x1c > > initcall-> umsmod_init+0x0/0x1c > > initcall-> onboard_dev_driver_register+0x0/0x1c > > initcall-> pca954x_driver_register+0x0/0x28 > > initcall-> rk_sdhci_driver_register+0x0/0x1c > > initcall-> dw_mmc_driver_register+0x0/0x1c > > initcall-> backlight_pwm_of_driver_register+0x0/0x1c > > initcall-> vop2_driver_register+0x0/0x1c > > initcall-> dw_hdmi_rockchip_driver_register+0x0/0x1c > > initcall-> dw_mipi_dsi_rockchip_driver_register+0x0/0x1c > > initcall-> led_gpio_of_driver_register+0x0/0x1c > > initcall-> at24_driver_register+0x0/0x28 > > initcall-> rockchip_pwm_driver_register+0x0/0x1c > > initcall-> sram_driver_register+0x0/0x1c > > initcall-> mem_init+0x0/0x90 > > initcall-> nvmem_cells_driver_register+0x0/0x1c > > initcall-> rmem_driver_register+0x0/0x1c > > initcall-> rockchip_otp_driver_register+0x0/0x1c > > initcall-> dw_wdt_driver_register+0x0/0x1c > > initcall-> pca953x_driver_register+0x0/0x28 > > initcall-> rk_rng_driver_register+0x0/0x1c > > initcall-> of_partition_init+0x0/0x48 > > initcall-> of_overlay_init+0x0/0x104 > > initcall-> fan53555_regulator_driver_register+0x0/0x28 > > initcall-> rk808_regulator_driver_register+0x0/0x1c > > initcall-> rockchip_pcie_driver_register+0x0/0x1c > > initcall-> inno_dsidphy_driver_register+0x0/0x1c > > initcall-> rockchip_saradc_driver_register+0x0/0x1c > > initcall-> nvme_driver_register+0x0/0x1c > > initcall-> gpio_restart_driver_register+0x0/0x1c > > initcall-> prng_init+0x0/0x40 > > initcall-> null_init+0x0/0x40 > > initcall-> full_init+0x0/0x40 > > initcall-> zero_init+0x0/0x40 > > initcall-> md5_digest_register+0x0/0x1c > > initcall-> sha224_digest_register+0x0/0x1c > > initcall-> init_net_poll+0x0/0x24 > > initcall-> netconsole_init+0x0/0x12c > > netconsole: registered as netconsole-1 > > initcall-> diasom_rk3568_init+0x0/0x448 > > CPU version 0x03 detected. > > rk808 rk8090: chip id: 0x8090 > > vcc_ddr: Bringing 500000uV into 1100000-1100000uV > > vdd_npu: Bringing 500000uV into 850000-850000uV > > vdda0v9_image: Bringing 600000uV into 900000-900000uV > > vcca1v8_image: Bringing 600000uV into 1800000-1800000uV > > rockchip_saradc [email protected]: registered as aiodev0 > > SOM version 2+ detected. > > SMARC version 3 used. > > arm-scmi firmware:scmi.of: SCMI Protocol v2.0 'rockchip:' Firmware version > > 0x0 > > psci psci.of: detected version 1.1 > > xHCI xHCI0: USB XHCI 1.10 > > xHCI xHCI1: USB XHCI 1.10 > > ehci [email protected]: USB EHCI 1.00 > > ehci [email protected]: USB EHCI 1.00 > > fan53555-regulator tcs45250: FAN53555 Option[12] Rev[15] Detected! > > mdio_bus: miibus0: probed > > dwhdmi-rockchip [email protected]: registered I2C bus driver > > dwhdmi-rockchip [email protected]: Detected HDMI TX controller > > v2.11a with HDCP (DWC HDMI 2.0 TX PHY) > > rockchip-vop2 [email protected]: Registered fb0 on VP0, window > > Smart0-win0, type primary > > rockchip-vop2 [email protected]: Registered fb0_0 on VP0, > > window Smart1-win0, type overlay > > rockchip-vop2 [email protected]: Registered fb0_1 on VP0, > > window Esmart1-win0, type overlay > > rockchip-vop2 [email protected]: Registered fb0_2 on VP0, > > window Esmart0-win0, type overlay > > rockchip-dw-pcie [email protected]: Phy link never came up > > dw_mmc [email protected]: registered as mmc1 > > mmc1: detected SD card version 3.0 > > WARNING: mmc1: GPT:Primary header thinks Alt. header is not at the end > > of the disk. > > WARNING: mmc1: GPT:2669671 != 62333951 > > WARNING: mmc1: GPT:Alternate GPT header not at the end of the disk. > > WARNING: mmc1: GPT:2669671 != 62333951 > > mmc1: GPT: will repair later if global.system.gpt_refresh=1 > > mmc1: registered mmc1 > > rk3568-dwcmshc-sdhci [email protected]: registered as mmc0 > > mmc0: detected MMC card version 5.1 > > mmc0: registered mmc0.boot0 > > mmc0: registered mmc0.boot1 > > mmc0: registered mmc0 > > i2c2: Added multiplexed i2c bus 6 > > i2c2: Added multiplexed i2c bus 7 > > i2c2: Added multiplexed i2c bus 8 > > i2c2: Added multiplexed i2c bus 9 > > pca954x pca95460: registered 4 multiplexed busses for I2C switch > > phy6: lane number 0, val 1 > > phy6: lane number 1, val 2 > > phy6: bifurcation enabled > > rockchip-dw-pcie [email protected]: Phy link never came up > > mdio_bus: miibus1: probed > > mdio_bus: miibus2: probed > > PANIC: unable to handle NULL pointer dereference at address > > 0x0000000000000018 > > DABT (current EL) (ESR 0x9600000b) > > elr: 00000000edc6ff00 lr : 00000000edc6ff00 > > x0 : 00000000edcd5c17 x1 : 00000000edd7f000 > > x2 : 0000000000000000 x3 : 0000000000000030 > > x4 : 0000000000000000 x5 : 00000000edff7d18 > > x6 : 0000000000000002 x7 : 0000000000000000 > > x8 : 00000000aff3aa90 x9 : 6f2e726f74616c75 > > x10: 63702d3376336363 x11: 6b6c632d30336569 > > x12: 00000000edff7b30 x13: 00000000ffffffc8 > > x14: 0000000000000001 x15: 0000000000000000 > > x16: 00000000edccb95f x17: 0000000000000000 > > x18: 000000000000000a x19: 00000000aff3aa60 > > x20: 0000000000000000 x21: 0000000000000010 > > x22: 0000000000000000 x23: 00000000edcd5c17 > > x24: 0000000000000000 x25: 00000000f0000000 > > x26: 00000000000737a4 x27: 00000000001bb598 > > x28: 0000000000000000 x29: 00000000edff7dd0 > > > > Call trace: > > [<edc6ff00>] (__of_new_property+0x38/0x74) from [<edc6ff94>] > > (of_new_property+0x58/0x6c) > > [<edc6ff94>] (of_new_property+0x58/0x6c) from [<edc700d0>] > > (of_property_write_bool+0x5c/0x68) > > [<edc700d0>] (of_property_write_bool+0x5c/0x68) from [<edc7013c>] > > (of_set_root_node+0x60/0x88) > > [<edc7013c>] (of_set_root_node+0x60/0x88) from [<edcc0854>] > > (diasom_rk3568_init+0x230/0x448) > > [<edcc0854>] (diasom_rk3568_init+0x230/0x448) from [<edc125f4>] > > (start_barebox+0x84/0xa4) > > [<edc125f4>] (start_barebox+0x84/0xa4) from [<edcc2d74>] > > (barebox_non_pbl_start+0xd8/0xe8) > > [<edcc2d74>] (barebox_non_pbl_start+0xd8/0xe8) from [<00b02cfc>] (0xb02cfc) > > [<00b02cfc>] (0xb02cfc) from [<00b020c4>] (0xb020c4) > > > > ### ERROR ### Please RESET the board ### > > > > ср, 20 мая 2026 г. в 16:17, Sascha Hauer <[email protected]>: > >> > >> On 2026-05-20 15:11, Alexander Shiyan wrote: > >>> Here is output with lowlevel debug: > >>> DDR 03ea844c5d typ 24/09/03-10:42:57,fwver: v1.23 > >>> In > >>> ... > >>> out > >>>> rockchip-dmc: rockchip_sdram_size(reg2=1000ea01, reg3=30000031) > >>> rockchip-dmc: rank 2 cs0_col 10 cs1_col 10 bk 3 cs0_row 17 cs1_row 17 > >>> bw 2 row_3_4 0 > >>> rockchip-dmc: rk3568_ram_sizes() = 8589934592 > >>> mmu: enabling MMU, ttb @ 0xedf80000 > >>> mmu: __arch_remap_range: 0x00000000+0x8000000000 type UNCACHED > >>> mmu: __arch_remap_range: 0x8000000000+0x8000000000 type UNCACHED > >>> mmu: __arch_remap_range: 0x00a00000+0xef600000 type RWX > >>> mmu: __arch_remap_range: 0xee000000+0x2000000 type FAULT > >>> mmu: __arch_remap_range: 0x00b00000+0x60000 type RWX > >> > >> Damn. I introduced this: > >> > >> pbl_malloc_init(membase[0] + memsize[0] - PBL_MALLOC_SIZE, > >> PBL_MALLOC_SIZE); > >> > >> This exactly ends up in the area marked as FAULT above (reserved for > >> OP-TEE). > >> > >> Try this: > >> > >> pbl_malloc_init(membase[0] + memsize[0] - OPTEE_SIZE - > >> PBL_MALLOC_SIZE, > >> PBL_MALLOC_SIZE); > >> > >> You have XZ as image compression, right? > >> > >> The rockchip_v8_defconfig uses LZ4 which doesn't need any dynamic memory > >> for decompression. I tested with XZ as well, but the configuration I > >> used for this test doesn't have OP-TEE enabled, so the faulting area was > >> not there. > >> > >> Sascha > >> > >> -- > >> Pengutronix e.K. | | > >> Steuerwalder Str. 21 | http://www.pengutronix.de/ | > >> 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | > >> Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | > > > > > > -- > Pengutronix e.K. | | > Steuerwalder Str. 21 | http://www.pengutronix.de/ | > 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | >
