I have booted kernel 3.8 but not able to boot kernel 4.4. uEnv.txt
*console=ttyS0,115200n8* *netargs=setenv bootargs console=ttyO0,115200n8 root=/dev/mmcblk0p2 ro rootfstype=ext4 rootwait debug earlyprintk mem=256M* *netboot=echo Booting from Network ...; setenv autoload no ; load mmc 0:1 ${loadaddr} uImage ; load mmc 0:1 ${fdtaddr} am335x-boneblack.dtb ; run netargs ; bootm ${loadaddr} - ${fdtaddr}* with these, I am able to boot kernel 3.8 Now I am using same uboot.img and uEnv.txt and just replacing dtb and uImage for 4.4 Kernel 4.4 taken from here uenvcmd=run netboothttps://github.com/beagleboard/linux uboot logs *U-Boot SPL 2016.07 (Jul 19 2016 - 00:02:40)* *Trying to boot from MMC1* *MMC partition switch failed* **** Warning - MMC partition switch failed, using default environment* *reading u-boot.img* *reading u-boot.img* *U-Boot 2016.07 (Jul 19 2016 - 00:02:40 +0530)* * Watchdog enabled* *I2C: ready* *DRAM: 512 MiB* *MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1* **** Warning - bad CRC, using default environment* *Net: <ethaddr> not set. Validating first E-fuse MAC* *cpsw, usb_ether* *Press SPACE to abort autoboot in 2 seconds* *switch to partitions #0, OK* *mmc0 is current device* *Scanning mmc 0:1...* *switch to partitions #0, OK* *mmc0 is current device* *SD/MMC found on device 0* *switch to partitions #0, OK* *mmc0 is current device* *SD/MMC found on device 0* *reading boot.scr* *** Unable to read file boot.scr *** *reading uEnv.txt* *351 bytes read in 3 ms (114.3 KiB/s)* *Loaded env from uEnv.txt* *Importing environment from mmc0 ...* *Running uenvcmd ...* *Booting from Network ...* *reading uImage* *8715288 bytes read in 493 ms (16.9 MiB/s)* *reading am335x-boneblack.dtb* *56891 bytes read in 9 ms (6 MiB/s)* *## Booting kernel from Legacy Image at 82000000 ...* * Image Name: Linux-4.4.90* * Created: 2017-10-07 15:26:28 UTC* * Image Type: ARM Linux Kernel Image (uncompressed)* * Data Size: 8715224 Bytes = 8.3 MiB* * Load Address: 80008000* * Entry Point: 80008000* * Verifying Checksum ... OK* *## Flattened Device Tree blob at 88000000* * Booting using the fdt blob at 0x88000000* * Loading Kernel Image ... OK* * Loading Device Tree to 8ffef000, end 8ffffe3a ... OK* *Starting kernel ...* I am booting with SD card. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/0e2fa2ab-b8c4-4d91-addc-1aab28e6a2fb%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.