I integrated mender 2.0.0 into my imx6ull14x14 board,which is running linux 4.14.78.
When I test the mender upgrade,I met the error. I want help.
INFO[0000] Loaded configuration file: /etc/mender/mender.conf module=config
INFO[0000] Mender running on partition: /dev/mmcblk1p2 module=main
INFO[0001] API Gateway certificate (in PEM format):
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
MIIBdTCCARqgAwIBAgIJAPl5SBsibPTOMAoGCCqGSM49BAMCMBUxEzARBgNVBAMM
CnMzLnNndy5jb20wHhcNMTkwNzExMDAzOTI1WhcNMjkwNzA4MDAzOTI1WjAVMRMw
EQYDVQQDDApzMy5zZ3cuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEP5Oh
Z4EJTHFCuYqgxbUv99RP/TaB4RQNSpV/kNrEVBWTW1N0HG4P2xqwpYOyX8eWZu7k
mPCev1+Ht8AYiCzjvaNTMFEwHQYDVR0OBBYEFOOZuQkGy/hoYw4PMIt8fZDQEe4w
MB8GA1UdIwQYMBaAFOOZuQkGy/hoYw4PMIt8fZDQEe4wMA8GA1UdEwEB/wQFMAMB
Af8wCgYIKoZIzj0EAwIDSQAwRgIhAOuR8qLSvFNxStB9hFv8iaZuB2VcqC9TjlUF
rXClsnkxAiEAxPQn0Cd+tTfCB5CnRBKxJQQdWIRXO5pvxuay9VQQpek=
-----END CERTIFICATE-----
module=client
INFO[0001] Issuer: [], Valid from: 2019-07-11 00:39:25 +0000 UTC, Valid to: 2029-07-08 00:39:25 +0000 UTC module=client
INFO[0001] State transition: init [none] -> init [none] module=mender
INFO[0001] State transition: init [none] -> idle [Idle] module=mender
INFO[0001] authorization data present and valid module=mender
INFO[0001] State transition: idle [Idle] -> check-wait [Idle] module=mender
INFO[0001] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0001] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0001] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0001] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0006] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0006] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0006] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0006] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0011] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0011] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0011] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0011] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0016] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0016] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0016] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0016] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0021] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0021] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0021] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0021] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0026] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0026] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0026] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0026] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0031] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0031] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0031] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0031] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0036] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0036] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0036] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0036] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0041] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0041] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0041] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0041] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0046] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0046] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0046] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0046] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0051] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0051] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0051] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0051] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0056] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0056] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0056] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0056] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0061] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0061] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0061] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0061] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0066] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0066] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0066] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0066] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0071] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0071] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0071] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0071] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0076] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0076] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0076] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0076] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0081] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0081] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0081] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0081] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0086] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0086] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0086] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0086] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0091] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0091] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0091] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0091] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0096] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0096] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0096] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0096] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0101] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0101] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0101] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0101] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0106] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0106] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0106] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0106] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0111] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0111] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0111] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0111] Correct request for getting image from: https://s3.sgw.com:9000/mender-artifact-storage/a46a5c84-e8d3-4ecd-a487-727ca23e314e?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=mender-deployments%2F20190711%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20190711T013556Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&response-content-type=application%2Fvnd.mender-artifact&X-Amz-Signature=03a5a86579fb57a757adf204f611783382fb0254aff1e0349902ce3c1067958e [name: SGW6010; devices: [imx6ull14x14evk]] module=client_update
INFO[0111] State transition: update-check [Sync] -> update-fetch [Download_Enter] module=mender
INFO[0111] Running Mender version 2.0.0 module=deployment_logger
INFO[0111] State transition: update-fetch [Download_Enter] -> update-store [Download_Enter] module=mender
INFO[0112] no public key was provided for authenticating the artifact module=installer
INFO[0112] native sector size of block device /dev/mmcblk1p3 is 512, we will write in chunks of 1048576 module=dual_rootfs_device
INFO[0112] opening device /dev/mmcblk1p3 for writing module=block_device
INFO[0112] partition /dev/mmcblk1p3 size: 1392508928 module=block_device
ERRO[0200] Download connection broken: unexpected EOF module=update_resumer
INFO[0200] Resuming download in 1m0s module=update_resumer
INFO[0260] Attempting to resume artifact download from offset 3505622 module=update_resumer
ERRO[0330] Download connection broken: unexpected EOF module=update_resumer
INFO[0330] Resuming download in 1m0s module=update_resumer
INFO[0390] Attempting to resume artifact download from offset 7011181 module=update_resumer
ERRO[0490] Download connection broken: unexpected EOF module=update_resumer
INFO[0490] Resuming download in 1m0s module=update_resumer
INFO[0550] Attempting to resume artifact download from offset 25213188 module=update_resumer
ERRO[0616] Download connection broken: unexpected EOF module=update_resumer
INFO[0616] wrote 199274489/1392508928 bytes of update to device /dev/mmcblk1p3 module=dual_rootfs_device
ERRO[0617] Artifact install failed: reader: error reading data: invalid checksum; expected: [d0660816b5124436a5f1a186d309f3260337c63854ae5246f81836c66cc04cae]; actual: [f59da380dc12e8604cfe64883e38d958f903cfb68e23a6d1f0d41784e3e09e69] module=state
INFO[0617] State transition: update-store [Download_Enter] -> cleanup [Error] module=mender
INFO[0617] State transition: cleanup [Error] -> update-status-report [none] module=mender
INFO[0617] State transition: update-status-report [none] -> idle [Idle] module=mender
INFO[0617] authorization data present and valid module=mender
INFO[0617] State transition: idle [Idle] -> check-wait [Idle] module=mender
INFO[0617] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0618] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0618] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0618] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0622] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0622] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0623] State transition: check-wait [Idle] -> update-check [Sync] module=mender
INFO[0623] State transition: update-check [Sync] -> check-wait [Idle] module=mender
INFO[0627] State transition: check-wait [Idle] -> inventory-update [Sync] module=mender
INFO[0627] State transition: inventory-update [Sync] -> check-wait [Idle] module=mender
INFO[0628] State transition: check-wait [Idle] -> update-check [Sync] module=mender
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