I had opened RBR750’s case, On th pcb board, there was a 4-pin port, connect with a USB-TTL transfer, no message on putty. 115200 8n1
reverse Rx and Tx pins ?
checked voltage ?
didn't connect Vcc ?
1 Like
thank you, I didn’t set putty correctly. now it’s working.
1 Like
I use ttl to my orbi rbr750, I can use my compiled uImage to tftpboot, But after I flash with factory image, there has an error, how to fix this? can anyone help me
btw , rbr750 use secure boot fuse.
here is bootlog
IPQ807x# run setall
IPQ807x# run btopenwrt
ubi0: attaching mtd1
ubi0: scanning is finished
ubi0: attached mtd1 (name "mtd=0", size 109 MiB)
ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
ubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 2048
ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096
ubi0: good PEBs: 872, bad PEBs: 0, corrupted PEBs: 0
ubi0: user volume: 3, internal volumes: 1, max. volumes count: 128
ubi0: max/mean erase counter: 3/1, WL threshold: 4096, image sequence number: 1561792517
ubi0: available PEBs: 0, total reserved PEBs: 872, PEBs reserved for bad PEB handling: 80
Read 0 bytes from volume kernel to 44000000
No size specified -> Using max size (5586944)
Unknown command 'ubi0:' - try 'help'
IPQ807x# setenv btopenwrt 'ubi part fs && ubi read 0x44000000 kernel && bootm'
IPQ807x# run btopenwrt
ubi0: detaching mtd1
ubi0: mtd1 is detached
ubi0: attaching mtd1
ubi0: scanning is finished
ubi0: attached mtd1 (name "mtd=0", size 109 MiB)
ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
ubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 2048
ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096
ubi0: good PEBs: 872, bad PEBs: 0, corrupted PEBs: 0
ubi0: user volume: 3, internal volumes: 1, max. volumes count: 128
ubi0: max/mean erase counter: 3/1, WL threshold: 4096, image sequence number: 1561792517
ubi0: available PEBs: 0, total reserved PEBs: 872, PEBs reserved for bad PEB handling: 80
Read 0 bytes from volume kernel to 44000000
No size specified -> Using max size (5586944)
Loading kernel from FIT Image at 44000000 ...
Using 'config@rbr750' configuration
Trying 'kernel-1' kernel subimage
Description: ARM64 OpenWrt Linux-6.12.44
Type: Kernel Image
Compression: gzip compressed
Data Start: 0x440000e8
Data Size: 5511753 Bytes = 5.3 MiB
Architecture: AArch64
OS: Linux
Load Address: 0x41000000
Entry Point: 0x41000000
Hash algo: crc32
Hash value: 333df505
Hash algo: sha1
Hash value: 8866cbfd91b71de2728146676dfd8ed573c112f3
Verifying Hash Integrity ... crc32+ sha1+ OK
Loading fdt from FIT Image at 44000000 ...
Using 'config@rbr750' configuration
Trying 'fdt-1' fdt subimage
Description: ARM64 OpenWrt netgear_rbr750 device tree blob
Type: Flat Device Tree
Compression: uncompressed
Data Start: 0x44541c74
Data Size: 46495 Bytes = 45.4 KiB
Architecture: AArch64
Hash algo: crc32
Hash value: c5fb357b
Hash algo: sha1
Hash value: 0e5baa6c63cf97ee8c6d42323b82aeb5eb4b97a6
Verifying Hash Integrity ... crc32+ sha1+ OK
Booting using the fdt blob at 0x44541c74
Uncompressing Kernel Image ... OK
Loading Device Tree to 4a3f1000, end 4a3ff59e ... OK
Using machid 0x801000d from environment
Starting kernel ...
Jumping to AARCH64 kernel via monitor
[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034]
[ 0.000000] Linux version 6.12.44 (micropoint@PixelBook) (aarch64-openwrt-linux-musl-gcc (OpenWrt GCC 14.3.0 r30963-79d3db7447) 14.3.0, GNU ld (GNU Binutils) 2.44) #0 SMP Fri Sep 5 16:19:24 2025
[ 0.000000] Machine model: Netgear RBR750
[ 0.000000] OF: reserved mem: 0x0000000040000000..0x0000000040ffffff (16384 KiB) nomap non-reusable nss@40000000
[ 0.000000] OF: reserved mem: 0x000000004a400000..0x000000004a5fffff (2048 KiB) nomap non-reusable tzapp@4a400000
[ 0.000000] OF: reserved mem: 0x000000004a600000..0x000000004a9fffff (4096 KiB) nomap non-reusable bootloader@4a600000
[ 0.000000] OF: reserved mem: 0x000000004aa00000..0x000000004aafffff (1024 KiB) nomap non-reusable sbl@4aa00000
[ 0.000000] OF: reserved mem: 0x000000004ab00000..0x000000004abfffff (1024 KiB) nomap non-reusable smem@4ab00000
[ 0.000000] OF: reserved mem: 0x000000004ac00000..0x000000004affffff (4096 KiB) nomap non-reusable memory@4ac00000
[ 0.000000] OF: reserved mem: 0x000000004b000000..0x0000000050efffff (97280 KiB) nomap non-reusable wcnss@4b000000
[ 0.000000] OF: reserved mem: 0x0000000050f00000..0x0000000050ffffff (1024 KiB) nomap non-reusable q6_etr_dump@50f00000
[ 0.000000] OF: reserved mem: 0x0000000051000000..0x00000000510fffff (1024 KiB) nomap non-reusable m3_dump@51000000
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000040000000-0x000000007fffffff]
[ 0.000000] DMA32 empty
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000040000000-0x0000000040ffffff]
[ 0.000000] node 0: [mem 0x0000000041000000-0x000000004a3fffff]
[ 0.000000] node 0: [mem 0x000000004a400000-0x00000000510fffff]
[ 0.000000] node 0: [mem 0x0000000051100000-0x000000007fffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x000000007fffffff]
[ 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 v1.0
[ 0.000000] psci: OSI mode supported.
[ 0.000000] psci: [Firmware Bug]: failed to set PC mode: -1
[ 0.000000] percpu: Embedded 20 pages/cpu s43224 r8192 d30504 u81920
[ 0.000000] Detected VIPT I-cache on CPU0
[ 0.000000] alternatives: applying boot alternatives
[ 0.000000] Kernel command line: console=ttyMSM0,115200n8root=/dev/ubiblock0_0
[ 0.000000] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes, linear)
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 262144
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] software IO TLB: SWIOTLB bounce buffer size adjusted to 1MB
[ 0.000000] software IO TLB: area num 4.
[ 0.000000] software IO TLB: mapped [mem 0x000000007eb00000-0x000000007ec00000] (1MB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.000000] rcu: Hierarchical RCU implementation.
[ 0.000000] Tracing variant of Tasks RCU enabled.
[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 0.000000] RCU Tasks Trace: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4.
[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[ 0.000000] Root IRQ handler: gic_handle_irq
[ 0.000000] GICv2m: range[mem 0x0b00a000-0x0b00affc], SPI[448:479]
[ 0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 0.000000] arch_timer: cp15 and mmio timer(s) running at 19.20MHz (virt/virt).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
[ 0.000000] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
[ 0.000114] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000)
[ 0.000127] pid_max: default: 32768 minimum: 301
[ 0.005185] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes, linear)
[ 0.005200] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes, linear)
[ 0.010189] rcu: Hierarchical SRCU implementation.
[ 0.010200] rcu: Max phase no-delay instances is 1000.
[ 0.010503] Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level
[ 0.010916] smp: Bringing up secondary CPUs ...
[ 0.011582] Detected VIPT I-cache on CPU1
[ 0.011696] CPU1: Booted secondary processor 0x0000000001 [0x410fd034]
[ 0.012446] Detected VIPT I-cache on CPU2
[ 0.012522] CPU2: Booted secondary processor 0x0000000002 [0x410fd034]
[ 0.013213] Detected VIPT I-cache on CPU3
[ 0.013285] CPU3: Booted secondary processor 0x0000000003 [0x410fd034]
[ 0.013369] smp: Brought up 1 node, 4 CPUs
[ 0.013377] SMP: Total of 4 processors activated.
[ 0.013382] CPU: All CPU(s) started at EL1
[ 0.013386] CPU features: detected: 32-bit EL0 Support
[ 0.013390] CPU features: detected: CRC32 instructions
[ 0.013441] alternatives: applying system-wide alternatives
[ 0.013640] CPU features: emulated: Privileged Access Never (PAN) using TTBR0_EL1 switching
[ 0.013898] Memory: 881700K/1048576K available (8768K kernel code, 900K rwdata, 2852K rodata, 960K init, 288K bss, 163404K reserved, 0K cma-reserved)
[ 0.023228] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.023255] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[ 0.023362] 29264 pages in range for non-PLT usage
[ 0.023367] 520784 pages in range for PLT usage
[ 0.025470] pinctrl core: initialized pinctrl subsystem
[ 0.027661] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 0.028178] DMA: preallocated 128 KiB GFP_KERNEL pool for atomic allocations
[ 0.028216] DMA: preallocated 128 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations
[ 0.028251] DMA: preallocated 128 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations
[ 0.028631] thermal_sys: Registered thermal governor 'step_wise'
[ 0.028694] cpuidle: using governor menu
[ 0.028873] ASID allocator initialised with 65536 entries
[ 0.091295] qcom,cpr4-apss-regulator b018000.cpr4-ctrl: CPR valid fuse count: 4
[ 0.114181] SCSI subsystem initialized
[ 0.114402] usbcore: registered new interface driver usbfs
[ 0.114441] usbcore: registered new interface driver hub
[ 0.114492] usbcore: registered new device driver usb
[ 0.114770] qcom_scm: convention: smc arm 64
[ 0.116578] clocksource: Switched to clocksource arch_sys_counter
[ 0.120243] NET: Registered PF_INET protocol family
[ 0.120441] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 0.122834] tcp_listen_portaddr_hash hash table entries: 512 (order: 1, 8192 bytes, linear)
[ 0.122864] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 0.122880] TCP established hash table entries: 8192 (order: 4, 65536 bytes, linear)
[ 0.122965] TCP bind hash table entries: 8192 (order: 6, 262144 bytes, linear)
[ 0.123254] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.123820] MPTCP token hash table entries: 1024 (order: 2, 24576 bytes, linear)
[ 0.124011] UDP hash table entries: 512 (order: 2, 16384 bytes, linear)
[ 0.124050] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear)
[ 0.124494] NET: Registered PF_UNIX/PF_LOCAL protocol family
[ 0.124536] PCI: CLS 0 bytes, default 64
[ 0.126425] workingset: timestamp_bits=46 max_order=18 bucket_order=0
[ 0.126994] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.127001] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[ 0.133628] qcom-qmp-usb-phy 58000.phy: supply vdda-phy not found, using dummy regulator
[ 0.133812] qcom-qmp-usb-phy 58000.phy: supply vdda-pll not found, using dummy regulator
[ 0.135172] qcom-qmp-usb-phy 78000.phy: supply vdda-phy not found, using dummy regulator
[ 0.135320] qcom-qmp-usb-phy 78000.phy: supply vdda-pll not found, using dummy regulator
[ 0.136987] qcom-qusb2-phy 59000.phy: supply vdd not found, using dummy regulator
[ 0.137127] qcom-qusb2-phy 59000.phy: supply vdda-pll not found, using dummy regulator
[ 0.137200] qcom-qusb2-phy 59000.phy: supply vdda-phy-dpdm not found, using dummy regulator
[ 0.137352] qcom-qusb2-phy 59000.phy: Registered Qcom-QUSB2 phy
[ 0.137553] qcom-qusb2-phy 79000.phy: supply vdd not found, using dummy regulator
[ 0.137689] qcom-qusb2-phy 79000.phy: supply vdda-pll not found, using dummy regulator
[ 0.137729] qcom-qusb2-phy 79000.phy: supply vdda-phy-dpdm not found, using dummy regulator
[ 0.137868] qcom-qusb2-phy 79000.phy: Registered Qcom-QUSB2 phy
[ 0.147005] Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled
[ 0.148025] msm_serial 78b1000.serial: msm_serial: detected port #1
[ 0.148125] msm_serial 78b1000.serial: uartclk = 19200000
[ 0.148501] 78b1000.serial: ttyMSM1 at MMIO 0x78b1000 (irq = 20, base_baud = 1200000) is a MSM
[ 0.148977] msm_serial 78b3000.serial: msm_serial: detected port #0
[ 0.149048] msm_serial 78b3000.serial: uartclk = 3686400
[ 0.149427] 78b3000.serial: ttyMSM0 at MMIO 0x78b3000 (irq = 21, base_baud = 230400) is a MSM
[ 0.149468] msm_serial: console setup on port #0
[ 0.149505] printk: legacy console [ttyMSM0] enabled
[ 0.999346] msm_serial: driver initialized
[ 1.009239] loop: module loaded
[ 1.010692] nand: device found, Manufacturer ID: 0xef, Chip ID: 0xac
[ 1.011204] nand: Winbond W29N04GZ
[ 1.017833] nand: 512 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
[ 1.021287] 30 fixed-partitions partitions found on MTD device qcom_nand.0
[ 1.028593] Creating 30 MTD partitions on "qcom_nand.0":
[ 1.035422] 0x000000000000-0x000000100000 : "0:SBL1"
[ 1.042446] 0x000000100000-0x000000200000 : "0:MIBIB"
[ 1.047253] 0x000000200000-0x000000280000 : "0:BOOTCONFIG"
[ 1.051737] 0x000000280000-0x000000300000 : "0:BOOTCONFIG1"
[ 1.057127] 0x000000300000-0x000000600000 : "0:QSEE"
[ 1.064420] 0x000000600000-0x000000900000 : "0:QSEE_1"
[ 1.069825] 0x000000900000-0x000000980000 : "0:DEVCFG"
[ 1.072732] 0x000000980000-0x000000a00000 : "0:DEVCFG_1"
[ 1.077832] 0x000000a00000-0x000000a80000 : "0:APDP"
[ 1.083226] 0x000000a80000-0x000000b00000 : "0:APDP_1"
[ 1.088201] 0x000000b00000-0x000000b80000 : "0:RPM"
[ 1.093096] 0x000000b80000-0x000000c00000 : "0:RPM_1"
[ 1.098035] 0x000000c00000-0x000000c80000 : "0:CDT"
[ 1.103091] 0x000000c80000-0x000000d00000 : "0:CDT_1"
[ 1.107835] 0x000000d00000-0x000000d80000 : "0:APPSBLENV"
[ 1.112979] 0x000000d80000-0x000000e80000 : "0:APPSBL"
[ 1.118912] 0x000000e80000-0x000000f80000 : "0:APPSBL_1"
[ 1.123826] 0x000000f80000-0x000001000000 : "0:ART"
[ 1.128972] 0x000001000000-0x000001080000 : "0:ETHPHYFW"
[ 1.133475] 0x000001080000-0x000001180000 : "nvram"
[ 1.139504] 0x000001180000-0x000001280000 : "nvram2"
[ 1.144065] 0x000001280000-0x000001380000 : "board_data"
[ 1.149707] 0x000001380000-0x000001480000 : "latest_rootfs"
[ 1.154572] 0x000001480000-0x000001580000 : "ML1"
[ 1.159943] 0x000001580000-0x000001680000 : "DebugMsg"
[ 1.164736] 0x000001680000-0x000002080000 : "sstorage"
[ 1.177078] 0x000002080000-0x000003e80000 : "Reserved1"
[ 1.201808] 0x000003e80000-0x000011c00000 : "Reserved2"
[ 1.380182] 0x000011c00000-0x000018900000 : "rootfs"
[ 1.468216] mtd: setting mtd28 (rootfs) as root device
[ 1.468524] mtdsplit: no squashfs found in "rootfs"
[ 1.472260] 0x000018900000-0x00001f600000 : "rootfs_1"
[ 1.577757] spmi_pmic_arb 200f000.spmi: PMIC arbiter version v2 (0x20010000)
[ 1.597760] i2c_dev: i2c /dev entries driver
[ 1.606055] sdhci: Secure Digital Host Controller Interface driver
[ 1.606103] sdhci: Copyright(c) Pierre Ossman
[ 1.611164] sdhci-pltfm: SDHCI platform and OF driver helper
[ 1.617538] remoteproc remoteproc0: releasing cd00000.q6v5_wcss
[ 1.625101] NET: Registered PF_INET6 protocol family
[ 1.629085] Segment Routing with IPv6
[ 1.632202] In-situ OAM (IOAM) with IPv6
[ 1.635771] NET: Registered PF_PACKET protocol family
[ 1.639899] 8021q: 802.1Q VLAN Support v1.8
[ 1.677306] qcom,cpr4-apss-regulator b018000.cpr4-ctrl: CPR valid fuse count: 4
[ 1.677645] cpr4_ipq807x_apss_read_fuse_data: apc_corner: speed bin = 0
[ 1.683435] cpr4_ipq807x_apss_read_fuse_data: apc_corner: CPR fusing revision = 1
[ 1.690055] cpr4_ipq807x_apss_read_fuse_data: apc_corner: CPR misc fuse value = 0
[ 1.697709] cpr4_ipq807x_apss_read_fuse_data: apc_corner: Voltage boost fuse config = 0 boost = disable
[ 1.705203] cpr3_mem_acc_init: apc: not using memory accelerator regulator
[ 1.714349] cpr4_ipq807x_apss_calculate_open_loop_voltages: apc_corner: fused SVS: open-loop= 728000 uV
[ 1.721296] cpr4_ipq807x_apss_calculate_open_loop_voltages: apc_corner: fused NOM: open-loop= 872000 uV
[ 1.731279] cpr4_ipq807x_apss_calculate_open_loop_voltages: apc_corner: fused TURBO: open-loop= 944000 uV
[ 1.741087] cpr4_ipq807x_apss_calculate_open_loop_voltages: apc_corner: fused STURBO: open-loop=1048000 uV
[ 1.750949] cpr4_ipq807x_apss_calculate_target_quotients: apc_corner: fused SVS: quot[ 7]= 704, quot_offset[ 7]= 0
[ 1.760709] cpr4_ipq807x_apss_calculate_target_quotients: apc_corner: fused NOM: quot[ 7]= 960, quot_offset[ 7]= 255
[ 1.771558] cpr4_ipq807x_apss_calculate_target_quotients: apc_corner: fused TURBO: quot[ 7]=1073, quot_offset[ 7]= 110
[ 1.782495] cpr4_ipq807x_apss_calculate_target_quotients: apc_corner: fused STURBO: quot[ 7]=1238, quot_offset[ 7]= 165
[ 1.793640] cpr3_regulator_init_ctrl: apc: Default CPR mode = closed-loop
[ 1.797674] cpufreq: cpufreq_online: CPU0: Running at unlisted initial frequency: 800000 KHz, changing to: 1017600 KHz
[ 1.813834] remoteproc remoteproc0: cd00000.q6v5_wcss is available
[ 1.822292] clk: Disabling unused clocks
[ 1.828474] ------------[ cut here ]------------
[ 1.831953] gcc_usb1_master_clk status stuck at 'on'
[ 1.831989] WARNING: CPU: 3 PID: 1 at drivers/clk/qcom/clk-branch.c:87 clk_branch_toggle+0x168/0x180
[ 1.841511] Modules linked in:
[ 1.850615] CPU: 3 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.44 #0
[ 1.853483] Hardware name: Netgear RBR750 (DT)
[ 1.859990] pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 1.864508] pc : clk_branch_toggle+0x168/0x180
[ 1.871361] lr : clk_branch_toggle+0x168/0x180
[ 1.875876] sp : ffffffc080dcbc80
[ 1.880299] x29: ffffffc080dcbc80 x28: 0000000000000000 x27: 0000000000000000
[ 1.883694] x26: 0000000000000000 x25: 0000000000000000 x24: ffffffc080acdaa0
[ 1.890812] x23: 0000000000000000 x22: 0000000000000000 x21: ffffffc080479548
[ 1.897930] x20: ffffffc080d16260 x19: 0000000000000000 x18: ffffffc080c8b878
[ 1.905047] x17: ffffffc080d1e6f8 x16: 0000000064ca080c x15: 00000000000000c9
[ 1.912165] x14: 00000000000000c9 x13: 00000000ffffffea x12: ffffffc080ce3820
[ 1.919284] x11: ffffffc080c8b878 x10: ffffffc080ce3878 x9 : 0000000000000001
[ 1.926401] x8 : 0000000000000001 x7 : 0000000000017fe8 x6 : c0000000ffffefff
[ 1.933519] x5 : 0000000000057fa8 x4 : 0000000000000000 x3 : ffffffc080dcba60
[ 1.940637] x2 : ffffffc080c8b7a0 x1 : ffffffc080c8b7a0 x0 : 0000000000000028
[ 1.947756] Call trace:
[ 1.954864] clk_branch_toggle+0x168/0x180
[ 1.957124] clk_branch2_disable+0x1c/0x30
[ 1.961291] clk_disable_unused_subtree+0x84/0xd0
[ 1.965373] clk_disable_unused_subtree+0x2c/0xd0
[ 1.970146] clk_disable_unused_subtree+0x2c/0xd0
[ 1.974834] clk_disable_unused_subtree+0x2c/0xd0
[ 1.979521] clk_disable_unused_subtree+0x2c/0xd0
[ 1.984210] clk_disable_unused+0x64/0xf0
[ 1.988895] do_one_initcall+0x50/0x210
[ 1.992887] kernel_init_freeable+0x23c/0x298
[ 1.996535] kernel_init+0x20/0x120
[ 2.001046] ret_from_fork+0x10/0x20
[ 2.004346] ---[ end trace 0000000000000000 ]---
[ 2.008528] ------------[ cut here ]------------
[ 2.012769] gcc_usb0_master_clk status stuck at 'on'
[ 2.012794] WARNING: CPU: 3 PID: 1 at drivers/clk/qcom/clk-branch.c:87 clk_branch_toggle+0x168/0x180
[ 2.022326] Modules linked in:
[ 2.031431] CPU: 3 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W 6.12.44 #0
[ 2.034303] Tainted: [W]=WARN
[ 2.042540] Hardware name: Netgear RBR750 (DT)
[ 2.045406] pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 2.049751] pc : clk_branch_toggle+0x168/0x180
[ 2.056604] lr : clk_branch_toggle+0x168/0x180
[ 2.061118] sp : ffffffc080dcbc80
[ 2.065543] x29: ffffffc080dcbc80 x28: 0000000000000000 x27: 0000000000000000
[ 2.068935] x26: 0000000000000000 x25: 0000000000000000 x24: ffffffc080acdb58
[ 2.076055] x23: 0000000000000000 x22: 0000000000000000 x21: ffffffc080479548
[ 2.083172] x20: ffffffc080d165e0 x19: 0000000000000000 x18: ffffffc080c8b878
[ 2.090290] x17: ffffffc080d1e6f8 x16: 0000000064ca080c x15: 00000000000000eb
[ 2.097408] x14: 00000000000000eb x13: 00000000ffffffea x12: ffffffc080ce3820
[ 2.104527] x11: ffffffc080c8b878 x10: ffffffc080ce3878 x9 : 0000000000000001
[ 2.111645] x8 : 0000000000000001 x7 : 0000000000017fe8 x6 : c0000000ffffefff
[ 2.118763] x5 : 0000000000057fa8 x4 : 0000000000000000 x3 : ffffffc080dcba60
[ 2.125880] x2 : ffffffc080c8b7a0 x1 : ffffffc080c8b7a0 x0 : 0000000000000028
[ 2.133000] Call trace:
[ 2.140107] clk_branch_toggle+0x168/0x180
[ 2.142367] clk_branch2_disable+0x1c/0x30
[ 2.146533] clk_disable_unused_subtree+0x84/0xd0
[ 2.150615] clk_disable_unused_subtree+0x2c/0xd0
[ 2.155389] clk_disable_unused_subtree+0x2c/0xd0
[ 2.160077] clk_disable_unused_subtree+0x2c/0xd0
[ 2.164765] clk_disable_unused_subtree+0x2c/0xd0
[ 2.169452] clk_disable_unused+0x64/0xf0
[ 2.174138] do_one_initcall+0x50/0x210
[ 2.178130] kernel_init_freeable+0x23c/0x298
[ 2.181778] kernel_init+0x20/0x120
[ 2.186289] ret_from_fork+0x10/0x20
[ 2.189589] ---[ end trace 00000000000000餥 2.198484] mtdblock: MTD device 'rootfs' is NAND, please consider using UBI block devices instead.
[ 2.198615] List of all partitions:
[ 2.206339] 1f00 1024 mtdblock0
[ 2.206344] (driver?)
[ 2.213963] 1f01 1024 mtdblock1
[ 2.213968] (driver?)
[ 2.220480] 1f02 512 mtdblock2
[ 2.220485] (driver?)
[ 2.226989] 1f03 512 mtdblock3
[ 2.226993] (driver?)
[ 2.233494] 1f04 3072 mtdblock4
[ 2.233498] (driver?)
[ 2.240009] 1f05 3072 mtdblock5
[ 2.240014] (driver?)
[ 2.246514] 1f06 512 mtdblock6
[ 2.246518] (driver?)
[ 2.253025] 1f07 512 mtdblock7
[ 2.253030] (driver?)
[ 2.259545] 1f08 512 mtdblock8
[ 2.259550] (driver?)
[ 2.266045] 1f09 512 mtdblock9
[ 2.266049] (driver?)
[ 2.272556] 1f0a 512 mtdblock10
[ 2.272561] (driver?)
[ 2.279419] 1f0b 512 mtdblock11
[ 2.279423] (driver?)
[ 2.286010] 1f0c 512 mtdblock12
[ 2.286015] (driver?)
[ 2.292607] 1f0d 512 mtdblock13
[ 2.292612] (driver?)
[ 2.299210] 1f0e 512 mtdblock14
[ 2.299215] (driver?)
[ 2.305801] 1f0f 1024 mtdblock15
[ 2.305806] (driver?)
[ 2.312400] 1f10 1024 mtdblock16
[ 2.312405] (driver?)
[ 2.319003] 1f11 512 mtdblock17
[ 2.319007] (driver?)
[ 2.325594] 1f12 512 mtdblock18
[ 2.325599] (driver?)
[ 2.332191] 1f13 1024 mtdblock19
[ 2.332196] (driver?)
[ 2.338794] 1f14 1024 mtdblock20
[ 2.338798] (driver?)
[ 2.345385] 1f15 1024 mtdblock21
[ 2.345389] (driver?)
[ 2.351984] 1f16 1024 mtdblock22
[ 2.351988] (driver?)
[ 2.358586] 1f17 1024 mtdblock23
[ 2.358591] (driver?)
[ 2.365178] 1f18 1024 mtdblock24
[ 2.365182] (driver?)
[ 2.371774] 1f19 10240 mtdblock25
[ 2.371779] (driver?)
[ 2.378381] 1f1a 30720 mtdblock26
[ 2.378386] (driver?)
[ 2.384969] 1f1b 226816 mtdblock27
[ 2.384973] (driver?)
[ 2.391565] 1f1c 111616 mtdblock28
[ 2.391569] (driver?)
[ 2.398169] 1f1d 111616 mtdblock29
[ 2.398173] (driver?)
[ 2.404759] No filesystem could mount root, tried:
[ 2.404761] squashfs
[ 2.406938]
[ 2.414134] Kernel panic - not syncing: VFS: Unable to mount root fs on "" or unknown-block(31,28)
[ 2.415712] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W 6.12.44 #0
[ 2.424477] Tainted: [W]=WARN
[ 2.432712] Hardware name: Netgear RBR750 (DT)
[ 2.435580] Call trace:
[ 2.439915] dump_backtrace.part.0+0xbc/0xc8
[ 2.442263] show_stack+0x18/0x24
[ 2.446773] dump_stack_lvl+0x5c/0x7c
[ 2.449986] dump_stack+0x18/0x24
[ 2.453631] panic+0x12c/0x308
[ 2.456929] mount_root_generic+0x28c/0x2b0
[ 2.459883] mount_root+0x1c0/0x1e0
[ 2.463962] prepare_namespace+0x1d8/0x21c
[ 2.467435] kernel_init_freeable+0x27c/0x298
[ 2.471602] kernel_init+0x20/0x120
[ 2.476027] ret_from_fork+0x10/0x20
[ 2.479328] SMP: stopping secondary CPUs
[ 2.483154] Kernel Offset: disabled
[ 2.487051] CPU features: 0x00,00000000,00000000,0200400b
[ 2.490268] Memory Limit: none
[ 2.495820] Rebooting in 1 seconds..
IPQ807x# printenv
baudrate=115200
bootargs=console=ttyMSM0,115200n8
bootcmd=bootipq
bootdelay=2
btopenwrt=ubi part fs && ubi read 0x44000000 kernel && ubi0: attaching mtd1
default_mode_flag=1
ethact=eth0
ethaddr=38:94:ed:4c:a0:f6
fdt_high=0x4A400000
fdtcontroladdr=4a97de50
firmware_partition=1
flash_type=2
ipaddr=192.168.10.10
machid=801000d
mode_flag=0
mtdids=nand0=nand0
mtdparts=mtdparts=nand0:0x6d00000@0x11c00000(fs),
netmask=255.255.255.0
serverip=192.168.10.1
setall=nand device 0 && setenv mtdids nand0=nand0 && setenv mtdparts mtdparts=nand0:0x6d00000@0x11c00000(fs),
soc_version_major=2
soc_version_minor=0
stderr=serial@78B3000
stdin=serial@78B3000
stdout=serial@78B3000
voice_flag=0
Please use the </> button on top of the edit window to add tags to your serial ouput and make it readable.