ratnarajsbc

Hey @Werner Thanks for quick reply. I tested with verbosity=7, may be correct fs driver is not loading? [ 4.103985] /dev/root: Can't open blockdev [ 4.108224] VFS: Cannot open root device "UUID=dc3421ab-734e-47cb-8f5d-5b8ffecf9484" or unknown-block(0,0): error -6 [ 4.118847] Please append a correct "root=" boot option; here are the available partitions: [ 4.127246] 0100 4096 ram0 [ 4.127265] (driver?) [ 4.133442] 0101 4096 ram1 [ 4.133458] (driver?) [ 4.139623] 0102 4096 ram2 [ 4.139639] (driver?) [ 4.145787] 0103 4096 ram3 [ 4.145803] (driver?) [ 4.151982] b300 15558144 mmcblk0 [ 4.151999] driver: mmcblk [ 4.158846] b301 1060864 mmcblk0p1 a9741697-01 [ 4.158866] [ 4.165738] List of all bdev filesystems: [ 4.169781] ext3 [ 4.169792] ext2 [ 4.171748] ext4 [ 4.173685] squashfs [ 4.175645] vfat [ 4.177929] fuseblk [ 4.179888] f2fs [ 4.182086] btrfs [ 4.184046] [ 4.187565] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 4.195841] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.43-current-sunxi #1 [ 4.203689] Hardware name: Allwinner sun8i Family [ 4.208406] Call trace: [ 4.208435] unwind_backtrace from show_stack+0x11/0x14 [ 4.216251] show_stack from dump_stack_lvl+0x37/0x42 [ 4.221341] dump_stack_lvl from panic+0xc9/0x278 [ 4.226080] panic from mount_root_generic+0x171/0x1f4 [ 4.231264] mount_root_generic from prepare_namespace+0x161/0x1ae [ 4.237491] prepare_namespace from kernel_init_freeable+0x1f9/0x20a [ 4.243893] kernel_init_freeable from kernel_init+0x21/0x100 [ 4.249686] kernel_init from ret_from_fork+0x11/0x1c [ 4.254774] Exception stack(0xc8821fb0 to 0xc8821ff8) [ 4.259847] 1fa0: 00000000 00000000 00000000 00000000 [ 4.268041] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 4.276231] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 4.282974] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]--- my next steps, - testing image from oldarchieve - experiment rebuilding armbian with kernel menuconfig?

Hi, For long (long) time I did not update my nano pi duo image, recently I changed microSD card and wanted start fresh with latest image. I have tried latest debian image and also tried building image for the BOARD target as `nanopiduo`, but in in both cases my board is stuck at ... U-Boot SPL 2024.01-armbian-2024.01-S866c-P7738-Ha5c2-Va723-Bb703-R448a (Mar 09 2025 - 03:54:39 +0000) DRAM: 128 MiB Trying to boot from MMC1 ns16550_serial serial@1c28000: pinctrl_select_state_full: uclass_get_device_by_phandle_id: err=-19 U-Boot 2024.01-armbian-2024.01-S866c-P7738-Ha5c2-Va723-Bb703-R448a (Mar 09 2025 - 03:54:39 +0000) Allwinner Technology CPU: Allwinner H3 (SUN8I 1680) Model: FriendlyARM NanoPi DUO DRAM: 128 MiB Core: 57 devices, 16 uclasses, devicetree: separate WDT: Not starting watchdog@1c20ca0 MMC: mmc@1c0f000: 0 Loading Environment from FAT... Unable to use mmc 0:1... In: serial,usbkbd Out: serial Err: serial Net: No ethernet found. starting USB... No working controllers found Autoboot in 1 seconds, press <Space> to stop switch to partitions #0, OK mmc0 is current device Scanning mmc 0:1... Found U-Boot script /boot/boot.scr 5475 bytes read in 6 ms (890.6 KiB/s) ## Executing script at 43100000 U-boot loaded from SD 182 bytes read in 6 ms (29.3 KiB/s) Load fdt: /boot/dtb/sun8i-h2-plus-nanopi-duo.dtb 8431400 bytes read in 357 ms (22.5 MiB/s) 11476944 bytes read in 484 ms (22.6 MiB/s) Found mainline kernel configuration 36294 bytes read in 20 ms (1.7 MiB/s) Working FDT set to 43000000 504 bytes read in 17 ms (28.3 KiB/s) Applying kernel provided DT overlay sun8i-h3-usbhost2.dtbo 504 bytes read in 17 ms (28.3 KiB/s) Applying kernel provided DT overlay sun8i-h3-usbhost3.dtbo 4185 bytes read in 17 ms (240.2 KiB/s) Applying kernel provided DT fixup script (sun8i-h3-fixup.scr) ## Executing script at 45000000 Kernel image @ 0x42000000 [ 0x000000 - 0xaf1fd0 ] ## Loading init Ramdisk from Legacy Image at 43400000 ... Image Name: uInitrd Image Type: ARM Linux RAMDisk Image (gzip compressed) Data Size: 8431336 Bytes = 8 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 43000000 Booting using the fdt blob at 0x43000000 Working FDT set to 43000000 Loading Ramdisk to 497f5000, end 49fff6e8 ... OK Loading Device Tree to 42ee4000, end 42f55fff ... OK Working FDT set to 42ee4000 Starting kernel ... [ 2.314576] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 2.322869] CPU: 2 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.43-current-sunxi #1 [ 2.330722] Hardware name: Allwinner sun8i Family [ 2.335438] Call trace: [ 2.335467] unwind_backtrace from show_stack+0x11/0x14 [ 2.343286] show_stack from dump_stack_lvl+0x37/0x42 [ 2.348377] dump_stack_lvl from panic+0xc9/0x278 [ 2.353116] panic from mount_root_generic+0x171/0x1f4 [ 2.358299] mount_root_generic from prepare_namespace+0x161/0x1ae [ 2.364527] prepare_namespace from kernel_init_freeable+0x1f9/0x20a [ 2.370928] kernel_init_freeable from kernel_init+0x21/0x100 [ 2.376720] kernel_init from ret_from_fork+0x11/0x1c [ 2.381808] Exception stack(0xc8821fb0 to 0xc8821ff8) [ 2.386881] 1fa0: 00000000 00000000 00000000 00000000 [ 2.395074] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 2.403265] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 2.410060] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]--- In older images, CPU was detected as `Allwinner H2+`, however now it's detecting as H3. I have tried couple other SD cards, with same error. What config I can try to get my `nanopi duo` working? offtopic: I tried images available from friendlyelec drive, which are getting stuck at "Starting kernel".