Greetings, I need help related to UT porting to new device. I am not kernel dev and I struggling for 2nd week.
I followed the porting guide, I am able to build and boot the kernel. Stuck with some mount/partition problems... My goal is Inforce Computing IFC6410 MSM8960 dev.board. I have working Android 4.1 kernel from IFC and also Nexus4 (mako) device and build to compare to. I see mounting errors during boot. [ 6.175919] initrd: mounting /dev/mmcblk0p13 [ 6.185106] EXT3-fs (mmcblk0p13): error: couldn't mount because of unsupported optional features (40) [ 6.252159] EXT2-fs (mmcblk0p13): error: couldn't mount because of unsupported optional features (44) [ 6.343262] EXT4-fs (mmcblk0p13): recovery complete [ 6.348084] EXT4-fs (mmcblk0p13): mounted filesystem with ordered data mode. Opts: (null) [ 6.356233] initrd: Couldn't find a system partition. Couldn't find a system partition. Spawning adbd ... Luckily I can do adb shell - and I see only initrd barebone system. p13 is userdata.img. For some reason the image smaller than I'd expect. Initially I used same partitions as Android but noticed system and usr are too small so I tried to bump them. Here is related part of BoardConfig: BOARD_KERNEL_CMDLINE := console=ttyHSL0,115200,n8 androidboot.hardware=msm8960 BOARD_MKBOOTIMG_ARGS := --ramdisk_offset 0x01600000 # from mako #BOARD_BOOTIMAGE_PARTITION_SIZE := 23068672 # 22M #BOARD_RECOVERYIMAGE_PARTITION_SIZE := 23068672 # 22M #BOARD_SYSTEMIMAGE_PARTITION_SIZE := 880803840 # 840M #BOARD_USERDATAIMAGE_PARTITION_SIZE := 6189744128 # 5.9G #BOARD_FLASH_BLOCK_SIZE := 131072 # (BOARD_KERNEL_PAGESIZE * 64) TARGET_USERIMAGES_USE_EXT4 := true BOARD_BOOTIMAGE_PARTITION_SIZE := 0x00A00000 BOARD_RECOVERYIMAGE_PARTITION_SIZE := 0x00A00000 #BOARD_USERDATAIMAGE_PARTITION_SIZE:= 10 737 418 240 # 10G? BOARD_USERDATAIMAGE_PARTITION_SIZE := 1547436032 # 6189744128 TARGET_USERIMAGES_USE_EXT4 := true #BOARD_SYSTEMIMAGE_PARTITION_SIZE := 536870912 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 880803840 # 840M BOARD_CACHEIMAGE_PARTITION_SIZE := 33554432 BOARD_PERSISTIMAGE_PARTITION_SIZE := 5242880 BOARD_TOMBSTONESIMAGE_PARTITION_SIZE := 268435456 BOARD_FLASH_BLOCK_SIZE := 131072 # (BOARD_KERNEL_PAGESIZE * 64) BOARD_USES_SECURE_SERVICES := true Any help is appreciated. Thanks -Ivo
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