Openembedded db820c boot fail

hi,

i followed these steps to build openembedded for db820c


MACHINE: dragonboard-820c , distro: rpb
it created the boot and system images, after flashing the boot and system image, boot is failing

[1480] qcom,msm-id entry not found
[1480] DTB offset is incorrect, kernel image does not have appended DTB

[10] platform_init()
[10] target_init()
[10] RPM GLink Init
[10] Opening RPM Glink Port success
[10] Opening SSR Glink Port success
[20] Glink Connection between APPS and RPM established
[20] Glink Connection between APPS and RPM established
[40] UFS init success
[40] Qseecom Init Done in Appsbl version is 0x1000000
[40] secure app region addr=0x86600000 size=0x2200000[50] TZ App region notif returned with status:0 addr:86600000 size:35651584
[60] TZ App log region register returned with status:0 addr:91df9000 size:4096
[70] Qseecom TZ Init Done in Appsbl
[80] Loading cmnlib done
[80] qseecom_start_app: Loading app keymaster for the first time’
[110] <8>keymaster: ""KEYMASTER Init “”
[110] Return value from recv_data: 14
[120] oem_panel_select:
[120] Not able to search the panel:
[120] panel_operating_mode=0x0
[120] Return value from recv_data: 14
[130] Return value from recv_data: 14
[140] Return value from recv_data: 14
[220] ERROR: Splash image header invalid
[230] Config MIPI_VIDEO_PANEL.
[570] mdss_dsi_panel_initialize:No dispaly panel Connected !!!
[570] dsi panel init error
[580] target_display_init:MIPI failed !! selcting HDMI
[580] Return value from recv_data: 14
[630] mdss_hdmi_read_edid: NACK reading EDID
[650] mdss_hdmi_read_edid: NACK reading EDID
[670] mdss_hdmi_read_edid: NACK reading EDID
[690] mdss_hdmi_read_edid: NACK reading EDID
[720] mdss_hdmi_read_edid: NACK reading EDID
[740] mdss_hdmi_read_edid: NACK reading EDID
[1040] hdmi_vco_enable: pll_locked = 1
[1050] hdmi_vco_enable: phy_ready = 1
[1050] ERROR: Splash image header invalid
[1070] Config HDMI PANEL.
[1070] Turn on HDMI PANEL.
[1070] hdmi resolution 1920x1080@p60Hz (16)
[1080] pm8x41_get_is_cold_boot: cold boot
[1080] Unable to locate /bootselect partition
[1080] boot_verifier: Device is in ORANGE boot state.
[1090] Device is unlocked! Skipping verification…
[1090] Loading (boot) image (8122368): start
[1130] Loading (boot) image (8122368): done
[1130] use_signed_kernel=1, is_unlocked=1, is_tampered=0.
[1130] mdtp: metadata loaded
[1140] mdtp: image set offset: 0x1000
[1140] mdtp: image set width: 720, screen width: 1920
[1140] mdtp: image set height: 1280, screen height: 1080
[1150] mdtp: metadata loaded
[1150] mdtp: mdtp_img loaded
[1160] mdtp: is_test_mode: test mode is set to 1
[1160] mdtp: read_metadata: SUCCESS
[1180] Your device has been unlocked and can’t be trusted.
[1180] LK SEC APP Handle: 0x1
[1180] Return value from recv_data: 14
[1190] Return value from recv_data: 14
[1200] Return value from recv_data: 14
[1210] <8>keymaster: ““cmd_id=KEYMASTER_SET_ROT””
[1210] LK SEC APP Handle: 0x1
[1220] <8>keymaster: ““cmd_id=KEYMASTER_GET_VERSION””
[1230] <8>keymaster: ““QSEE_STOR_RPMB_NOT_PROVISIONED””
[1240] decompressing kernel image: start
[1470] decompressing kernel image: done
[1480] qcom,msm-id entry not found
[1480] DTB offset is incorrect, kernel image does not have appended DTB
[1490] Device info 0x00000123/00030001/0x00010018/0, pmic 0x20009/0x10113/0x0/0x0
[1500] ERROR: Appended Device Tree Blob not found
[1500] ERROR: Could not do normal boot. Reverting to fastboot mode.
[1510] fastboot_init()
[1880] fastboot: processing commands

please suggest.

regards,
vinaysimha

Which image are you flashing in boot partition?
Also can you build & install dbootimg tool [1] and to get info from your boot image:

dbootimg -i boot-db820c.img

[1] https://github.com/96boards/dt-update/tree/master/tools/dbootimg