Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0)

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Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0)

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Duraisamy_Pandurangan
Contributor I

 

I am getting kernel panic error while load from kernel and dtb file via tftp. I don't know how to mount the fs in the system. I am using the LS1021aTWR development board. Below the debug error.

 

=> setenv bootargs 'root=/dev/ram rw ramdisk_size=40000000 console=ttyS0,115200'
=> saveenv
Saving Environment to Flash...
Un-Protected 1 sectors
Erasing Flash...
. done
Erased 1 sectors
Writing to Flash... 9....8....7....6....5....4....3....2....1....done
Protected 1 sectors
=> tftp 83000000 uImage
Speed: 100, full duplex
Using eTSEC2 device
TFTP from server 192.168.56.248; our IP address is 192.168.56.124
Filename 'uImage'.
Load address: 0x83000000
Loading: #################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
########################
1.8 MiB/s
done
Bytes transferred = 10842688 (a57240 hex)
=> tftp 8f000000 ls1021a-twr.dtb
Speed: 100, full duplex
Using eTSEC2 device
TFTP from server 192.168.56.248; our IP address is 192.168.56.124
Filename 'ls1021a-twr.dtb'.
Load address: 0x8f000000
Loading: ##
1.4 MiB/s
done
Bytes transferred = 27050 (69aa hex)
=> bootm 83000000 - 8f000000
## Booting kernel from Legacy Image at 83000000 ...
Image Name: Linux-5.10.35-dirty
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 10842624 Bytes = 10.3 MiB
Load Address: 80008000
Entry Point: 80008000
Verifying Checksum ... OK
## Flattened Device Tree blob at 8f000000
Booting using the fdt blob at 0x8f000000
Loading Kernel Image ... OK
Using Device Tree in place at 8f000000, end 8f0099a9

Starting kernel ...

[ 0.000000] Booting Linux on physical CPU 0xf00
[ 0.000000] Linux version 5.10.35-dirty (root@duraisamy) (arm-linux-gnueabihf-gcc (Ubuntu 9.4.0-1ubuntu1~20.04.2) 9.4.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #1 SMP Mon Apr 22 15:01:384
[ 0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=30c5387d
[ 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: LS1021A TWR Board
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] efi: UEFI not found.
[ 0.000000] cma: Reserved 64 MiB at 0x00000000bc000000
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000080000000-0x00000000afffffff]
[ 0.000000] Normal empty
[ 0.000000] HighMem [mem 0x00000000b0000000-0x00000000bfffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000080000000-0x00000000bfffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x00000000bfffffff]
[ 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] percpu: Embedded 20 pages/cpu s52236 r8192 d21492 u81920
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 259840
[ 0.000000] Kernel command line: root=/dev/ram rw ramdisk_size=40000000 console=ttyS0,115200
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] software IO TLB: mapped [mem 0x00000000ab2ff000-0x00000000af2ff000] (64MB)
[ 0.000000] Memory: 874072K/1048576K available (16384K kernel code, 2343K rwdata, 5784K rodata, 2048K init, 722K bss, 108968K reserved, 65536K cma-reserved, 196608K highmem)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 0.000000] rcu: Hierarchical RCU implementation.
[ 0.000000] rcu: RCU event tracing is enabled.
[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=2.
[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000000] GIC: Using split EOI/Deactivate mode
[ 0.000000] random: get_random_bytes called from start_kernel+0x39c/0x570 with crng_init=0
[ 0.000000] arch_timer: cp15 timer(s) running at 12.50MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x2e2049cda, max_idle_ns: 440795202628 ns
[ 0.000005] sched_clock: 56 bits at 12MHz, resolution 80ns, wraps every 4398046511080ns
[ 0.000016] Switching to timer-based delay loop, resolution 80ns
[ 0.002264] Console: colour dummy device 80x30
[ 0.002310] Calibrating delay loop (skipped), value calculated using timer frequency.. 25.00 BogoMIPS (lpj=125000)
[ 0.002326] pid_max: default: 32768 minimum: 301
[ 0.002468] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[ 0.002488] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear)
[ 0.003171] CPU: Testing write buffer coherency: ok
[ 0.003451] CPU0: update cpu_capacity 1024
[ 0.003462] CPU0: thread -1, cpu 0, socket 15, mpidr 80000f00
[ 0.003953] Setting up static identity map for 0x80400000 - 0x80400184
[ 0.004627] rcu: Hierarchical SRCU implementation.
[ 0.006138] EFI services will not be available.
[ 0.006305] smp: Bringing up secondary CPUs ...
[ 0.006924] CPU1: update cpu_capacity 1024
[ 0.006930] CPU1: thread -1, cpu 1, socket 15, mpidr 80000f01
[ 0.007049] smp: Brought up 1 node, 2 CPUs
[ 0.007066] SMP: Total of 2 processors activated (50.00 BogoMIPS).
[ 0.007073] CPU: All CPU(s) started in HYP mode.
[ 0.007078] CPU: Virtualization extensions available.
[ 0.007575] devtmpfs: initialized
[ 0.011832] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
[ 0.012020] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.012040] futex hash table entries: 512 (order: 3, 32768 bytes, linear)
[ 0.014158] pinctrl core: initialized pinctrl subsystem
[ 0.015381] DMI not present or invalid.
[ 0.015778] NET: Registered protocol family 16
[ 0.017662] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.019370] thermal_sys: Registered thermal governor 'step_wise'
[ 0.019594] cpuidle: using governor menu
[ 0.019906] No ATAGs?
[ 0.020034] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[ 0.020044] hw-breakpoint: maximum watchpoint size is 8 bytes.
[ 0.021731] Serial: AMBA PL011 UART driver
[ 0.021907] imx mu driver is registered.
[ 0.021935] imx rpmsg driver is registered.
[ 0.039994] Machine: LS1021A TWR Board
[ 0.040011] SoC family: QorIQ LS1021A
[ 0.040051] SoC ID: svr:0x87081120, Revision: 2.0
[ 0.065742] iommu: Default domain type: Translated
[ 0.066013] vgaarb: loaded
[ 0.066649] SCSI subsystem initialized
[ 0.067091] usbcore: registered new interface driver usbfs
[ 0.067132] usbcore: registered new interface driver hub
[ 0.067175] usbcore: registered new device driver usb
[ 0.067720] imx-i2c 2180000.i2c: can't get pinctrl, bus recovery not supported
[ 0.068145] i2c i2c-0: IMX I2C adapter registered
[ 0.068204] i2c i2c-0: using dma0chan16 (tx) and dma0chan17 (rx) for DMA transfers
[ 0.068520] imx-i2c 2190000.i2c: can't get pinctrl, bus recovery not supported
[ 0.068824] i2c i2c-1: IMX I2C adapter registered
[ 0.068880] i2c i2c-1: using dma0chan18 (tx) and dma0chan19 (rx) for DMA transfers
[ 0.069173] imx-i2c 21a0000.i2c: can't get pinctrl, bus recovery not supported
[ 0.069275] i2c i2c-2: IMX I2C adapter registered
[ 0.069319] i2c i2c-2: using dma0chan20 (tx) and dma0chan21 (rx) for DMA transfers
[ 0.069984] pps_core: LinuxPPS API ver. 1 registered
[ 0.069995] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.070014] PTP clock support registered
[ 0.070955] No BMan portals available!
[ 0.071172] No QMan portals available!
[ 0.071423] No USDPAA memory, no 'fsl,usdpaa-mem' in device-tree
[ 0.071826] fsl-ifc 1530000.ifc: Freescale Integrated Flash Controller
[ 0.071873] fsl-ifc 1530000.ifc: IFC version 1.4, 8 banks
[ 0.073325] clocksource: Switched to clocksource arch_sys_counter
[ 0.842871] NET: Registered protocol family 2
[ 0.843688] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 6144 bytes, linear)
[ 0.843718] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear)
[ 0.843781] TCP bind hash table entries: 8192 (order: 4, 65536 bytes, linear)
[ 0.843887] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.844029] UDP hash table entries: 512 (order: 2, 16384 bytes, linear)
[ 0.844076] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear)
[ 0.844239] NET: Registered protocol family 1
[ 0.844807] RPC: Registered named UNIX socket transport module.
[ 0.844820] RPC: Registered udp transport module.
[ 0.844826] RPC: Registered tcp transport module.
[ 0.844832] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.844845] PCI: CLS 0 bytes, default 64
[ 0.845702] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 5 counters available
[ 0.846149] Bus freq driver module loaded
[ 0.846912] Initialise system trusted keyrings
[ 0.847120] workingset: timestamp_bits=14 max_order=18 bucket_order=4
[ 0.852753] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.853544] NFS: Registering the id_resolver key type
[ 0.853577] Key type id_resolver registered
[ 0.853585] Key type id_legacy registered
[ 0.853676] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 0.853685] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
[ 0.853718] ntfs: driver 2.1.32 [Flags: R/O].
[ 0.854062] fuse: init (API version 7.32)
[ 0.936446] Key type asymmetric registered
[ 0.936462] Asymmetric key parser 'x509' registered
[ 0.936518] bounce: pool size: 64 pages
[ 0.936566] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)
[ 0.936576] io scheduler mq-deadline registered
[ 0.936583] io scheduler kyber registered
[ 0.948832] layerscape-pcie 3400000.pcie: host bridge /soc/pcie@3400000 ranges:
[ 0.948882] layerscape-pcie 3400000.pcie: IO 0x4000010000..0x400001ffff -> 0x0000000000
[ 0.948905] layerscape-pcie 3400000.pcie: MEM 0x4040000000..0x407fffffff -> 0x0040000000
[ 0.949088] layerscape-pcie 3400000.pcie: PCI host bridge to bus 0000:00
[ 0.949103] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.949114] pci_bus 0000:00: root bus resource [io 0x0000-0xffff]
[ 0.949126] pci_bus 0000:00: root bus resource [mem 0x4040000000-0x407fffffff] (bus address [0x40000000-0x7fffffff])
[ 0.949166] pci 0000:00:00.0: [1957:0e0a] type 01 class 0x060400
[ 0.949194] pci 0000:00:00.0: reg 0x38: [mem 0x28000000-0x280007ff pref]
[ 0.949249] pci 0000:00:00.0: supports D1 D2
[ 0.949258] pci 0000:00:00.0: PME# supported from D0 D1 D2 D3hot
[ 0.950542] PCI: bus0: Fast back to back transfers disabled
[ 0.951710] PCI: bus1: Fast back to back transfers enabled
[ 0.951751] pci 0000:00:00.0: BAR 6: assigned [mem 0x4040000000-0x40400007ff pref]
[ 0.951764] pci 0000:00:00.0: PCI bridge to [bus 01-ff]
[ 0.952037] pcieport 0000:00:00.0: PME: Signaling with IRQ 57
[ 1.001518] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled
[ 1.004772] printk: console [ttyS0] disabled
[ 1.004866] 21c0500.serial: ttyS0 at MMIO 0x21c0500 (irq = 43, base_baud = 9375000) is a 16550A
[ 1.905226] printk: console [ttyS0] enabled
[ 1.910276] 21c0600.serial: ttyS1 at MMIO 0x21c0600 (irq = 43, base_baud = 9375000) is a 16550A
[ 1.919691] SuperH (H)SCI(F) driver initialized
[ 1.924917] msm_serial: driver initialized
[ 1.929104] STMicroelectronics ASC driver initialized
[ 1.935036] 2950000.serial: ttyLP0 at MMIO 0x2950000 (irq = 48, base_baud = 6250000) is a FSL_LPUART
[ 1.944785] STM32 USART driver initialized
[ 1.950440] imx sema4 driver is registered.
[ 1.956850] panel-simple panel: supply power not found, using dummy regulator
[ 1.964131] panel-simple panel: Specify missing connector_type
[ 1.977061] brd: module loaded
[ 1.986705] loop: module loaded
[ 1.991993] imx ahci driver is registered.
[ 1.996581] ahci-qoriq 3200000.sata: supply ahci not found, using dummy regulator
[ 2.004213] ahci-qoriq 3200000.sata: supply phy not found, using dummy regulator
[ 2.011630] ahci-qoriq 3200000.sata: supply target not found, using dummy regulator
[ 2.019428] ahci-qoriq 3200000.sata: AHCI 0001.0300 1 slots 1 ports ? Gbps 0x1 impl platform mode
[ 2.028282] ahci-qoriq 3200000.sata: flags: 64bit ncq sntf pm clo only pmp fbs pio slum part ccc
[ 2.037125] ahci-qoriq 3200000.sata: port 0 is not capable of FBS
[ 2.044079] scsi host0: ahci-qoriq
[ 2.047775] ata1: SATA max UDMA/133 mmio [mem 0x03200000-0x0320ffff] port 0x100 irq 36
[ 2.058435] physmap-flash 60000000.nor: physmap platform flash device: [mem 0x60000000-0x67ffffff]
[ 2.067488] 60000000.nor: Found 1 x16 devices at 0x0 in 16-bit bank. Manufacturer ID 0x000089 Chip ID 0x00227e
[ 2.077492] Amd/Fujitsu Extended Query Table at 0x0040
[ 2.082619] Amd/Fujitsu Extended Query version 1.3.
[ 2.087675] number of CFI chips: 1
[ 2.097900] libphy: Fixed MDIO Bus: probed
[ 2.103659] tun: Universal TUN/TAP device driver, 1.6
[ 2.108918] CAN device driver interface
[ 2.113392] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded
[ 2.120044] libphy: Freescale PowerQUICC MII Bus: probed
[ 2.129687] libphy: Freescale PowerQUICC MII Bus: probed
[ 2.136404] fsl-gianfar soc:ethernet@2d10000: enabled errata workarounds, flags: 0x4
[ 2.154841] fsl-gianfar soc:ethernet@2d10000 eth0: mac: 00:04:9f:07:46:7d
[ 2.161597] fsl-gianfar soc:ethernet@2d10000 eth0: Running with NAPI enabled
[ 2.168654] fsl-gianfar soc:ethernet@2d10000 eth0: RX BD ring size for Q[0]: 256
[ 2.176023] fsl-gianfar soc:ethernet@2d10000 eth0: RX BD ring size for Q[1]: 256
[ 2.183390] fsl-gianfar soc:ethernet@2d10000 eth0: TX BD ring size for Q[0]: 256
[ 2.190747] fsl-gianfar soc:ethernet@2d10000 eth0: TX BD ring size for Q[1]: 256
[ 2.198497] fsl-gianfar soc:ethernet@2d50000: enabled errata workarounds, flags: 0x4
[ 2.217013] fsl-gianfar soc:ethernet@2d50000 eth1: mac: 00:04:9f:07:46:7e
[ 2.223783] fsl-gianfar soc:ethernet@2d50000 eth1: Running with NAPI enabled
[ 2.230794] fsl-gianfar soc:ethernet@2d50000 eth1: RX BD ring size for Q[0]: 256
[ 2.238161] fsl-gianfar soc:ethernet@2d50000 eth1: RX BD ring size for Q[1]: 256
[ 2.245528] fsl-gianfar soc:ethernet@2d50000 eth1: TX BD ring size for Q[0]: 256
[ 2.252885] fsl-gianfar soc:ethernet@2d50000 eth1: TX BD ring size for Q[1]: 256
[ 2.260606] fsl-gianfar soc:ethernet@2d90000: enabled errata workarounds, flags: 0x4
[ 2.278925] fsl-gianfar soc:ethernet@2d90000 eth2: mac: 00:04:9f:07:46:7f
[ 2.285694] fsl-gianfar soc:ethernet@2d90000 eth2: Running with NAPI enabled
[ 2.292705] fsl-gianfar soc:ethernet@2d90000 eth2: RX BD ring size for Q[0]: 256
[ 2.300072] fsl-gianfar soc:ethernet@2d90000 eth2: RX BD ring size for Q[1]: 256
[ 2.307439] fsl-gianfar soc:ethernet@2d90000 eth2: TX BD ring size for Q[0]: 256
[ 2.314805] fsl-gianfar soc:ethernet@2d90000 eth2: TX BD ring size for Q[1]: 256
[ 2.322437] Freescale FM module, FMD API version 21.1.0
[ 2.327856] Freescale FM Ports module
[ 2.331497] fsl_mac: fsl_mac: FSL FMan MAC API based driver
[ 2.337175] fsl_dpa: FSL DPAA Ethernet driver
[ 2.341589] fsl_advanced: FSL DPAA Advanced drivers:
[ 2.346537] fsl_proxy: FSL DPAA Proxy initialization driver
[ 2.352164] fsl_oh: FSL FMan Offline Parsing port driver
[ 2.357696] e1000e: Intel(R) PRO/1000 Network Driver
[ 2.362632] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 2.368592] igb: Intel(R) Gigabit Ethernet Network Driver
[ 2.373970] igb: Copyright (c) 2007-2014 Intel Corporation.
[ 2.382214] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver
[ 2.384695] ata1: SATA link down (SStatus 0 SControl 300)
[ 2.389625] usbcore: registered new interface driver pegasus
[ 2.400610] usbcore: registered new interface driver asix
[ 2.406016] usbcore: registered new interface driver ax88179_178a
[ 2.412099] usbcore: registered new interface driver cdc_ether
[ 2.417943] usbcore: registered new interface driver smsc75xx
[ 2.423699] usbcore: registered new interface driver smsc95xx
[ 2.429436] usbcore: registered new interface driver net1080
[ 2.435096] usbcore: registered new interface driver cdc_subset
[ 2.441014] usbcore: registered new interface driver zaurus
[ 2.446606] usbcore: registered new interface driver cdc_ncm
[ 2.455248] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 2.461749] ehci-pci: EHCI PCI platform driver
[ 2.466221] ehci-platform: EHCI generic platform driver
[ 2.471566] ehci-orion: EHCI orion driver
[ 2.475680] SPEAr-ehci: EHCI SPEAr driver
[ 2.479749] ehci-st: EHCI STMicroelectronics driver
[ 2.484697] ehci-exynos: EHCI Exynos driver
[ 2.488935] ehci-atmel: EHCI Atmel driver
[ 2.492996] tegra-ehci: Tegra EHCI driver
[ 2.497100] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 2.503280] ohci-pci: OHCI PCI platform driver
[ 2.507765] ohci-platform: OHCI generic platform driver
[ 2.513088] SPEAr-ohci: OHCI SPEAr driver
[ 2.517182] ohci-st: OHCI STMicroelectronics driver
[ 2.522112] ohci-atmel: OHCI Atmel driver
[ 2.526615] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
[ 2.532090] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 1
[ 2.540083] xhci-hcd xhci-hcd.0.auto: hcc params 0x0220f66c hci version 0x100 quirks 0x0000000002010810
[ 2.549505] xhci-hcd xhci-hcd.0.auto: irq 56, io mem 0x03100000
[ 2.556214] hub 1-0:1.0: USB hub found
[ 2.559981] hub 1-0:1.0: 1 port detected
[ 2.564248] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
[ 2.569713] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 2
[ 2.577357] xhci-hcd xhci-hcd.0.auto: Host supports USB 3.0 SuperSpeed
[ 2.584431] hub 2-0:1.0: USB hub found
[ 2.588190] hub 2-0:1.0: 1 port detected
[ 2.593262] usbcore: registered new interface driver usb-storage
[ 2.602866] ftm-alarm 29d0000.timer0: registered as rtc1
[ 2.609581] i2c /dev entries driver
[ 2.616249] pps pps0: new PPS source ptp0
[ 2.627252] qoriq-cpufreq qoriq-cpufreq: Freescale QorIQ CPU frequency scaling driver
[ 2.635710] sdhci: Secure Digital Host Controller Interface driver
[ 2.641858] sdhci: Copyright(c) Pierre Ossman
[ 2.647456] Synopsys Designware Multimedia Card Interface Driver
[ 2.654343] sdhci-pltfm: SDHCI platform and OF driver helper
[ 2.662378] ledtrig-cpu: registered to indicate activity on CPUs
[ 2.668973] usbcore: registered new interface driver usbhid
[ 2.674554] usbhid: USB HID core driver
[ 2.679506] No fsl,qman node
[ 2.682374] Freescale USDPAA process driver
[ 2.686577] fsl-usdpaa: no region found
[ 2.687315] mmc0: SDHCI controller on 1560000.esdhc [1560000.esdhc] using ADMA 64-bit
[ 2.690391] Freescale USDPAA process IRQ driver
[ 2.706231] IPVS: Registered protocols ()
[ 2.710264] IPVS: Connection hash table configured (size=4096, memory=32Kbytes)
[ 2.717713] IPVS: ipvs loaded.
[ 2.721055] Initializing XFRM netlink socket
[ 2.725793] NET: Registered protocol family 10
[ 2.731240] Segment Routing with IPv6
[ 2.735132] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 2.741535] NET: Registered protocol family 17
[ 2.746036] NET: Registered protocol family 15
[ 2.750485] can: controller area network core
[ 2.754891] NET: Registered protocol family 29
[ 2.759309] can: raw protocol
[ 2.762257] can: broadcast manager protocol
[ 2.766436] can: netlink gateway - max_hops=1
[ 2.770910] 8021q: 802.1Q VLAN Support v1.8
[ 2.771180] mmc0: Problem switching card into high-speed mode!
[ 2.775387] Key type dns_resolver registered
[ 2.781008] mmc0: new SDHC card at address 0001
[ 2.785333] ThumbEE CPU extension supported.
[ 2.793946] Registering SWP/SWPB emulation handler
[ 2.794556] mmcblk0: mmc0:0001 SD16G 14.5 GiB
[ 2.799152] Loading compiled-in X.509 certificates
[ 2.810336] mmcblk0: p1 p2 p3 p4
[ 2.816190] List of all partitions:
[ 2.819675] 0100 40000000 ram0
[ 2.819678] (driver?)
[ 2.825800] 0101 40000000 ram1
[ 2.825803] (driver?)
[ 2.831869] 0102 40000000 ram2
[ 2.831872] (driver?)
[ 2.837966] 0103 40000000 ram3
[ 2.837969] (driver?)
[ 2.844051] 0104 40000000 ram4
[ 2.844054] (driver?)
[ 2.850119] 0105 40000000 ram5
[ 2.850122] (driver?)
[ 2.856201] 0106 40000000 ram6
[ 2.856204] (driver?)
[ 2.862269] 0107 40000000 ram7
[ 2.862271] (driver?)
[ 2.868355] 0108 40000000 ram8
[ 2.868358] (driver?)
[ 2.874441] 0109 40000000 ram9
[ 2.874444] (driver?)
[ 2.880508] 010a 40000000 ram10
[ 2.880510] (driver?)
[ 2.886679] 010b 40000000 ram11
[ 2.886682] (driver?)
[ 2.892833] 010c 40000000 ram12
[ 2.892836] (driver?)
[ 2.898999] 010d 40000000 ram13
[ 2.899001] (driver?)
[ 2.905163] 010e 40000000 ram14
[ 2.905166] (driver?)
[ 2.911317] 010f 40000000 ram15
[ 2.911320] (driver?)
[ 2.917488] 1f00 131072 mtdblock0
[ 2.917491] (driver?)
[ 2.924004] b300 15187968 mmcblk0
[ 2.924008] driver: mmcblk
[ 2.930764] b301 131072 mmcblk0p1 307b7332-01
[ 2.930767]
[ 2.937534] b302 2097152 mmcblk0p2 307b7332-02
[ 2.937537]
[ 2.944305] b303 5242880 mmcblk0p3 307b7332-03
[ 2.944307]
[ 2.951063] b304 7644160 mmcblk0p4 307b7332-04
[ 2.951065]
[ 2.957829] No filesystem could mount root, tried:
[ 2.957833] ext3
[ 2.962678] ext2
[ 2.964597] ext4
[ 2.966506] squashfs
[ 2.968415] vfat
[ 2.970668] msdos
[ 2.972577] ntfs
[ 2.974583] fuseblk
[ 2.976492]
[ 2.980136] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0)
[ 2.988358] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.10.35-dirty #1
[ 2.994847] Hardware name: Freescale LS1021A
[ 2.999114] [<c0410c20>] (unwind_backtrace) from [<c040b52c>] (show_stack+0x10/0x14)
[ 3.006823] [<c040b52c>] (show_stack) from [<c129d0b8>] (dump_stack+0xc4/0xd8)
[ 3.014011] [<c129d0b8>] (dump_stack) from [<c1298ee4>] (panic+0x110/0x328)
[ 3.020940] [<c1298ee4>] (panic) from [<c1c01660>] (mount_block_root+0x248/0x250)
[ 3.028384] [<c1c01660>] (mount_block_root) from [<c1c01778>] (mount_root+0x110/0x138)
[ 3.036262] [<c1c01778>] (mount_root) from [<c1c018f4>] (prepare_namespace+0x154/0x190)
[ 3.044226] [<c1c018f4>] (prepare_namespace) from [<c12af338>] (kernel_init+0x8/0x118)
[ 3.052104] [<c12af338>] (kernel_init) from [<c0400278>] (ret_from_fork+0x14/0x3c)
[ 3.059632] Exception stack(0xc28b7fb0 to 0xc28b7ff8)
[ 3.064654] 7fa0: 00000000 00000000 00000000 00000000
[ 3.072789] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 3.080923] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 3.087509] CPU0: stopping
[ 3.090202] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.35-dirty #1
[ 3.096691] Hardware name: Freescale LS1021A
[ 3.100941] [<c0410c20>] (unwind_backtrace) from [<c040b52c>] (show_stack+0x10/0x14)
[ 3.108646] [<c040b52c>] (show_stack) from [<c129d0b8>] (dump_stack+0xc4/0xd8)
[ 3.115833] [<c129d0b8>] (dump_stack) from [<c040e700>] (do_handle_IPI+0x318/0x34c)
[ 3.123452] [<c040e700>] (do_handle_IPI) from [<c040e74c>] (ipi_handler+0x18/0x20)
[ 3.130986] [<c040e74c>] (ipi_handler) from [<c04b7058>] (handle_percpu_devid_fasteoi_ipi+0x80/0x150)
[ 3.140162] [<c04b7058>] (handle_percpu_devid_fasteoi_ipi) from [<c04b086c>] (generic_handle_irq+0x34/0x44)
[ 3.149854] [<c04b086c>] (generic_handle_irq) from [<c04b0e74>] (__handle_domain_irq+0x5c/0xb0)
[ 3.158512] [<c04b0e74>] (__handle_domain_irq) from [<c08cb36c>] (gic_handle_irq+0x94/0xb4)
[ 3.166822] [<c08cb36c>] (gic_handle_irq) from [<c0400c38>] (__irq_svc+0x58/0x74)
[ 3.174262] Exception stack(0xc1e01f10 to 0xc1e01f58)
[ 3.179285] 1f00: 00000000 00000a88 ef3cb8c4 c041cf20
[ 3.187420] 1f20: c203ad40 00000000 c1e0675c c1e067a4 c1d79728 00000000 00000000 c1e01f70
[ 3.195555] 1f40: 00000a86 c1e01f60 c0408004 c0408008 60000013 ffffffff
[ 3.202138] [<c0400c38>] (__irq_svc) from [<c0408008>] (arch_cpu_idle+0x38/0x3c)
[ 3.209499] [<c0408008>] (arch_cpu_idle) from [<c12b5ad0>] (default_idle_call+0x38/0xfc)
[ 3.217552] [<c12b5ad0>] (default_idle_call) from [<c0487eac>] (do_idle+0x220/0x298)
[ 3.225258] [<c0487eac>] (do_idle) from [<c04881f4>] (cpu_startup_entry+0x18/0x1c)
[ 3.232792] [<c04881f4>] (cpu_startup_entry) from [<c1c00ea0>] (start_kernel+0x52c/0x570)
[ 3.240928] [<c1c00ea0>] (start_kernel) from [<00000000>] (0x0)
[ 3.246822] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0) ]---

CTRL-A Z for h

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yipingwang
NXP TechSupport
NXP TechSupport

Please download ramdisk rootfs form Linux factory release fsl-image-networking-ls1021atwr.cpio.gz from the following link.

https://support.nxp.com/s/case/5002p000030AVzAAAW/community-kernel-panic-not-syncing-vfs-unable-to-m...

Then use the following commands to boot up the system.

=> tftp 81000000 uImage

=> tftp 88000000 fsl-image-networking-ls1021atwr.cpio.gz

=> tftp 8f000000 ls1021a-twr.dtb

=> bootm 81000000 88000000 8f000000

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