STM32MP135 custom board emmc boot error (userfs doesn't exist)

YNam.1 · ‎2025-06-20

Hello.

I have a custom stm32mp135f board with emmc1(SDMMC2) and about to launch linux.

(Minimized version of 135f-dk, no-sdcard, no-ethernet)

I flashed the target with the CubeProgrammer normally.

When the kernel loads userfs there says 'root '/dev/disk/by-partuuid/491f6117-415d-4f53-88c9-6e0de54deac6' doesn't exist or does not contain a /dev." and stopped.

How do I solve this problem?

This is full log capture.

Starting kernel ...

I/TC: Reserved shared memory is disabled
I/TC: Dynamic shared memory is enabled
I/TC: Normal World virtualization support is disabled
I/TC: Asynchronous notifications are enabled
[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 6.6.48-gd96ac4cc57f6 (oe-user@oe-host) (arm-ostl-linux-gnueabi-gcc (GCC) 13.3.0, GNU ld (GNU Binutils) 2.42.0.20240716) #1 PREEMPT Fri Jun 20 08:08:22 UTC 2025
[    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d
[    0.000000] CPU: div instructions available: patching division code
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] OF: fdt: Machine model: STMicroelectronics STM32MP135F-DK STM32CubeMX board - openstlinux-6.6-yocto-scarthgap-mpu-v24.11.06
[    0.000000] Memory policy: Data cache writeback
[    0.000000] OF: reserved mem: 0xdd000000..0xdfffffff (49152 KiB) nomap non-reusable optee@dd000000
[    0.000000] cma: Reserved 64 MiB at 0xd9000000 on node -1
[    0.000000] Zone ranges:
[    0.000000]   Normal   [mem 0x00000000c0000000-0x00000000dcffffff]
[    0.000000]   HighMem  [mem 0x00000000dd000000-0x00000000dfffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x00000000c0000000-0x00000000dcffffff]
[    0.000000]   node   0: [mem 0x00000000dd000000-0x00000000dfffffff]
[    0.000000] Initmem setup node 0 [mem 0x00000000c0000000-0x00000000dfffffff]
[    0.000000] psci: probing for conduit method from DT.
[    0.000000] psci: PSCIv1.0 detected in firmware.
[    0.000000] psci: Using standard PSCI v0.2 function IDs
[    0.000000] psci: MIGRATE_INFO_TYPE not supported.
[    0.000000] psci: SMC Calling Convention v1.1
[    0.000000] CPU: All CPU(s) started in SVC mode.
[    0.000000] Kernel command line: root=PARTUUID=491f6117-415d-4f53-88c9-6e0de54deac6 rootwait rw   console=ttySTM0,115200
[    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: 130028
[    0.000000] mem auto-init: stack:all(zero), heap alloc:off, heap free:off
[    0.000000] Memory: 376784K/524288K available (13312K kernel code, 1416K rwdata, 3968K rodata, 1024K init, 220K bss, 81968K reserved, 65536K cma-reserved, 0K highmem)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] trace event string verifier disabled
[    0.000000] rcu: Preemptible hierarchical RCU implementation.
[    0.000000] rcu:     RCU event tracing is enabled.
[    0.000000]  Trampoline variant of Tasks RCU enabled.
[    0.000000]  Tracing variant of Tasks RCU enabled.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[    0.000000] arch_timer: cp15 timer(s) running at 24.00MHz (virt).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns
[    0.000001] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps every 4398046511097ns
[    0.000017] Switching to timer-based delay loop, resolution 41ns
[    0.000731] Console: colour dummy device 80x30
[    0.000782] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=240000)
[    0.000802] CPU: Testing write buffer coherency: ok
[    0.000866] pid_max: default: 32768 minimum: 301
[    0.001073] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.001100] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.004260] RCU Tasks: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1.
[    0.004473] RCU Tasks Trace: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1.
[    0.004697] Setting up static identity map for 0xc0100000 - 0xc0100060
[    0.004957] rcu: Hierarchical SRCU implementation.
[    0.004971] rcu:     Max phase no-delay instances is 1000.
[    0.006703] devtmpfs: initialized
[    0.020020] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
[    0.020394] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.020437] futex hash table entries: 256 (order: -1, 3072 bytes, linear)
[    0.023491] pinctrl core: initialized pinctrl subsystem
[    0.026267] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[    0.030093] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.031627] thermal_sys: Registered thermal governor 'step_wise'
[    0.031762] cpuidle: using governor menu
[    0.032068] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.032086] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.032639] Serial: AMBA PL011 UART driver
[    0.035541] stm32-pm-domain pm_domain: domain core-ret-power-domain registered
[    0.035580] stm32-pm-domain pm_domain: subdomain core-power-domain registered
[    0.035591] stm32-pm-domain pm_domain: domains probed
[    0.053202] kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible.
[    0.066633] SCSI subsystem initialized
[    0.070744] usbcore: registered new interface driver usbfs
[    0.070804] usbcore: registered new interface driver hub
[    0.070891] usbcore: registered new device driver usb
[    0.071363] pps_core: LinuxPPS API ver. 1 registered
[    0.071377] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.071403] PTP clock support registered
[    0.071836] EDAC MC: Ver: 3.0.0
[    0.080796] scmi_core: SCMI protocol bus registered
[    0.084092] clocksource: Switched to clocksource arch_sys_counter
[    0.116306] NET: Registered PF_INET protocol family
[    0.116649] IP idents hash table entries: 8192 (order: 4, 65536 bytes, linear)
[    0.124574] tcp_listen_portaddr_hash hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.124627] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
[    0.124671] TCP established hash table entries: 4096 (order: 2, 16384 bytes, linear)
[    0.124718] TCP bind hash table entries: 4096 (order: 3, 32768 bytes, linear)
[    0.124794] TCP: Hash tables configured (established 4096 bind 4096)
[    0.124926] UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.124963] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.125273] NET: Registered PF_UNIX/PF_LOCAL protocol family
[    0.126312] RPC: Registered named UNIX socket transport module.
[    0.126336] RPC: Registered udp transport module.
[    0.126342] RPC: Registered tcp transport module.
[    0.126346] RPC: Registered tcp-with-tls transport module.
[    0.126349] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.126871] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 5 counters available
[    0.128897] Initialise system trusted keyrings
[    0.129875] Trying to unpack rootfs image as initramfs...
[    0.144247] workingset: timestamp_bits=14 max_order=17 bucket_order=3
[    0.144858] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.145617] NFS: Registering the id_resolver key type
[    0.145702] Key type id_resolver registered
[    0.145713] Key type id_legacy registered
[    0.145783] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    0.145796] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
[    0.145866] ntfs: driver 2.1.32 [Flags: R/O].
[    0.145908] jffs2: version 2.2. (NAND) ⓒ 2001-2006 Red Hat, Inc.
[    0.154348] fuse: init (API version 7.39)
[    0.155211] NET: Registered PF_ALG protocol family
[    0.155241] Key type asymmetric registered
[    0.155250] Asymmetric key parser 'x509' registered
[    0.155372] bounce: pool size: 64 pages
[    0.155460] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246)
[    0.155472] io scheduler mq-deadline registered
[    0.155480] io scheduler kyber registered
[    0.155554] io scheduler bfq registered
[    0.155883] /soc/interrupt-controller@5000d000: bank0
[    0.155920] /soc/interrupt-controller@5000d000: bank1
[    0.155935] /soc/interrupt-controller@5000d000: bank2
[    0.156898] Registering stm32-etzpc firewall controller
[    0.187702] STM32 USART driver initialized
[    0.249796] brd: module loaded
[    0.279847] loop: module loaded
[    0.307755] CAN device driver interface
[    0.309318] pegasus: Pegasus/Pegasus II USB Ethernet driver
[    0.309404] usbcore: registered new interface driver pegasus
[    0.309465] usbcore: registered new interface driver asix
[    0.309517] usbcore: registered new interface driver ax88179_178a
[    0.309562] usbcore: registered new interface driver cdc_ether
[    0.309607] usbcore: registered new interface driver smsc75xx
[    0.309655] usbcore: registered new interface driver smsc95xx
[    0.309699] usbcore: registered new interface driver net1080
[    0.309752] usbcore: registered new interface driver cdc_subset
[    0.309798] usbcore: registered new interface driver zaurus
[    0.309897] usbcore: registered new interface driver cdc_ncm
[    0.311916] usbcore: registered new interface driver usb-storage
[    0.312182] usbcore: registered new device driver onboard-usb-hub
[    0.335898] i2c_dev: i2c /dev entries driver
[    0.339462] arm_smc_wdt watchdog: Watchdog registered (timeout=32 sec, nowayout=0)
[    0.340575] stm32-cpufreq stm32-cpufreq: OPP-v2 not supported
[    0.341520] sdhci: Secure Digital Host Controller Interface driver
[    0.341535] sdhci: Copyright(c) Pierre Ossman
[    0.341542] Synopsys Designware Multimedia Card Interface Driver
[    0.341907] sdhci-pltfm: SDHCI platform and OF driver helper
[    0.342679] ledtrig-cpu: registered to indicate activity on CPUs
[    0.343546] usbcore: registered new interface driver usbhid
[    0.343564] usbhid: USB HID core driver
[    0.367279] optee: probing for conduit method.
[    0.367319] optee: revision 4.0 (2a5b1d12)
[    0.424654] optee: Asynchronous notifications enabled
[    0.424685] optee: dynamic shared memory is enabled
[    0.426347] random: crng init done
[    0.426795] optee: initialized driver
[    0.427757] NET: Registered PF_PACKET protocol family
[    0.427783] can: controller area network core
[    0.427875] NET: Registered PF_CAN protocol family
[    0.427890] can: raw protocol
[    0.427904] can: broadcast manager protocol
[    0.427918] can: netlink gateway - max_hops=1
[    0.428898] Key type dns_resolver registered
[    0.429135] ThumbEE CPU extension supported.
[    0.429162] Registering SWP/SWPB emulation handler
[    0.485093] registered taskstats version 1
[    0.485264] Loading compiled-in X.509 certificates
[    0.539367] scmi_protocol scmi_dev.1: Enabled polling mode TX channel - prot_id:16
[    0.539678] arm-scmi firmware:scmi: SCMI Notifications - Core Enabled.
[    0.539806] arm-scmi firmware:scmi: SCMI Protocol v2.0 'ST:' Firmware version 0x0
[    0.563687] scmi-regulator scmi_dev.5: Regulator reg11 registered for domain [0]
[    0.584299] scmi-regulator scmi_dev.5: Regulator reg18 registered for domain [1]
[    0.584820] scmi-regulator scmi_dev.5: Regulator usb33 registered for domain [2]
[    0.585504] scmi-regulator scmi_dev.5: Regulator vddcpu registered for domain [6]
[    0.586112] scmi-regulator scmi_dev.5: Regulator vdd registered for domain [8]
[    0.586728] scmi-regulator scmi_dev.5: Regulator vddcore registered for domain [9]
[    0.587329] scmi-regulator scmi_dev.5: Regulator vdd_adc registered for domain [10]
[    0.587730] scmi-regulator scmi_dev.5: Regulator vdd_usb registered for domain [13]
[    0.588387] scmi-regulator scmi_dev.5: Regulator vdd_sd registered for domain [14]
[    0.588998] scmi-regulator scmi_dev.5: Regulator v1v8_periph registered for domain [15]
[    0.589395] scmi-regulator scmi_dev.5: Regulator v3v3_sw registered for domain [19]
[    0.624740] stm32mp135-pinctrl soc:pinctrl@50002000: GPIOA bank added
[    0.625493] stm32mp135-pinctrl soc:pinctrl@50002000: GPIOB bank added
[    0.626228] stm32mp135-pinctrl soc:pinctrl@50002000: GPIOC bank added
[    0.626984] stm32mp135-pinctrl soc:pinctrl@50002000: GPIOD bank added
[    0.627718] stm32mp135-pinctrl soc:pinctrl@50002000: GPIOE bank added
[    0.634572] stm32mp135-pinctrl soc:pinctrl@50002000: GPIOF bank added
[    0.644703] stm32mp135-pinctrl soc:pinctrl@50002000: GPIOG bank added
[    0.645539] stm32mp135-pinctrl soc:pinctrl@50002000: GPIOH bank added
[    0.646355] stm32mp135-pinctrl soc:pinctrl@50002000: GPIOI bank added
[    0.646398] stm32mp135-pinctrl soc:pinctrl@50002000: Pinctrl STM32 initialized
[    0.649437] stm32-dma 48000000.dma-controller: STM32 DMA driver registered
[    0.651637] stm32-dma 48001000.dma-controller: STM32 DMA driver registered
[    0.675382] stm32-mdma 58000000.dma-controller: STM32 MDMA driver registered
[    0.684494] stm32-usbphyc 5a006000.usbphyc: registered rev:1.0
[    0.687172] dwc2 49000000.usb: supply vusb_d not found, using dummy regulator
[    0.687404] dwc2 49000000.usb: supply vusb_a not found, using dummy regulator
[    0.824506] dwc2 49000000.usb: EPs: 9, dedicated fifos, 952 entries in SPRAM
[    0.825499] dwc2 49000000.usb: DWC OTG Controller
[    0.825552] dwc2 49000000.usb: new USB bus registered, assigned bus number 1
[    0.825611] dwc2 49000000.usb: irq 41, io mem 0x49000000
[    0.826908] hub 1-0:1.0: USB hub found
[    0.827004] hub 1-0:1.0: 1 port detected
[    0.830549] ehci-platform 5800d000.usb: EHCI Host Controller
[    0.830604] ehci-platform 5800d000.usb: new USB bus registered, assigned bus number 2
[    0.831111] ehci-platform 5800d000.usb: irq 42, io mem 0x5800d000
[    0.836006] stm32_rtc 5c004000.rtc: registered as rtc0
[    0.836057] stm32_rtc 5c004000.rtc: setting system clock to 2000-01-01T00:00:08 UTC (946684808)
[    0.836688] stm32_rtc 5c004000.rtc: Date/Time must be initialized
[    0.836711] stm32_rtc 5c004000.rtc: registered rev:3.3
[    0.854274] ehci-platform 5800d000.usb: USB 2.0 started, EHCI 1.00
[    0.855647] hub 2-0:1.0: USB hub found
[    0.855741] hub 2-0:1.0: 2 ports detected
[    0.914421] stm32f7-i2c 40012000.i2c: STM32F7 I2C-0 bus adapter
[    0.954626] stm32f7-i2c 4c006000.i2c: STM32F7 I2C-1 bus adapter
[    0.974543] stm_thermal 50028000.thermal: stm_thermal_probe: Driver initialized successfully
[    0.977319] ohci-platform 5800c000.usb: Generic Platform OHCI controller
[    0.977381] ohci-platform 5800c000.usb: new USB bus registered, assigned bus number 3
[    0.979047] stm32-usart 40010000.serial: interrupt mode for rx (no dma)
[    0.979070] stm32-usart 40010000.serial: interrupt mode for tx (no dma)
[    0.979759] ohci-platform 5800c000.usb: irq 40, io mem 0x5800c000
[    0.979831] 40010000.serial: ttySTM0 at MMIO 0x40010000 (irq = 49, base_baud = 4000000) is a stm32-usart
[    0.979896] printk: console [ttySTM0] enabled
[    2.637742] Freeing initrd memory: 6332K
[    3.459377] hub 3-0:1.0: USB hub found
[    3.461797] hub 3-0:1.0: 2 ports detected
[    3.469934] 4c001000.serial: ttySTM3 at MMIO 0x4c001000 (irq = 50, base_baud = 4000000) is a stm32-usart
[    3.480613] input: gpio-keys as /devices/platform/gpio-keys/input/input0
[    3.487789] clk: Disabling unused clocks
[    3.493109] Freeing unused kernel image (initmem) memory: 1024K
[    3.498118] Run /init as init process
Starting systemd-udevd version 255.4^

root '/dev/disk/by-partuuid/491f6117-415d-4f53-88c9-6e0de54deac6' doesn't exist or does not contain a /dev.

[   33.764208] vddcpu: disabling
[   33.765818] vdd: disabling
[   33.768485] vddcore: disabling
[   33.771565] vdd_sd: disabling
doesn't exist or does not contain a /dev

But when I see the partitions in u-boot everything is ok (userfs 491f6117.... is exists)

STM32MP> mmc list
STM32 SD/MMC: 1 (eMMC)
STM32MP> mmc dev 1
switch to partitions #0, OK
mmc1(part 0) is current device
STM32MP> mmc part

Partition Map for MMC device 1  --   Partition Type: EFI

Part    Start LBA       End LBA         Name
        Attributes
        Type GUID
        Partition GUID
  1     0x00000400      0x000007ff      "metadata1"
        attrs:  0x0000000000000000
        type:   8a7a84a0-8387-40f6-ab41-a8b9a5a60d23
                (8a7a84a0-8387-40f6-ab41-a8b9a5a60d23)
        guid:   ed5d1bf6-fed4-4029-a9ac-0e4e6cfcf3ea
  2     0x00000800      0x00000bff      "metadata2"
        attrs:  0x0000000000000000
        type:   8a7a84a0-8387-40f6-ab41-a8b9a5a60d23
                (8a7a84a0-8387-40f6-ab41-a8b9a5a60d23)
        guid:   f5cb5b5d-0745-4aa0-92f3-70ed3f914390
  3     0x00000c00      0x00002bff      "fip-a"
        attrs:  0x0000000000000000
        type:   19d5df83-11b0-457b-be2c-7559c13142a5
                (19d5df83-11b0-457b-be2c-7559c13142a5)
        guid:   4fd84c93-54ef-463f-a7ef-ae25ff887087
  4     0x00002c00      0x00004bff      "fip-b"
        attrs:  0x0000000000000000
        type:   19d5df83-11b0-457b-be2c-7559c13142a5
                (19d5df83-11b0-457b-be2c-7559c13142a5)
        guid:   09c54952-d5bf-45af-acee-335303766fb3
  5     0x00004c00      0x00004fff      "u-boot-env"
        attrs:  0x0000000000000000
        type:   3de21764-95bd-54bd-a5c3-4abe786f38a8
                (u-boot-env)
        guid:   71c522d1-5797-48b8-ae67-b6f4abc23c31
  6     0x00005000      0x00024fff      "bootfs"
        attrs:  0x0000000000000004
        type:   0fc63daf-8483-4772-8e79-3d69d8477de4
                (linux)
        guid:   2b3f174d-1240-43f4-8a87-980af68c4055
  7     0x00025000      0x0002cfff      "vendorfs"
        attrs:  0x0000000000000000
        type:   0fc63daf-8483-4772-8e79-3d69d8477de4
                (linux)
        guid:   c2237252-2770-47d7-861c-32117b56e405
  8     0x0002d000      0x0062cfff      "rootfs"
        attrs:  0x0000000000000000
        type:   0fc63daf-8483-4772-8e79-3d69d8477de4
                (linux)
        guid:   491f6117-415d-4f53-88c9-6e0de54deac6
  9     0x0062d000      0x00747bff      "userfs"
        attrs:  0x0000000000000000
        type:   0fc63daf-8483-4772-8e79-3d69d8477de4
                (linux)
        guid:   2aa2bce7-16a1-420c-a6e1-e944c8a47e63
STM32MP>

I attached some files (changed name for the attach problem)

Kernel DTS : kernel...dts

u-boot dtsi : uboot-dtsi---xxx.dts

u-boot dts : uboot---xxx.dts

Thank you so much for reading.

Best