付费ota升级到v12后，检查更新不能更新到sp2 什么原因。然后就是微信平板版本的app不能启动
最好能提供一下 /var/log/update_engine.log
检查不到sp2更新，提示sp1已经是最新版本
[0522/170657.867381:INFO:evaluation_context.cc(219)] Waiting for timeout in 5m0s
[0522/171157.971149:INFO:evaluation_context.cc(117)] OnTimeout() called due to poll interval
[0522/171157.975502
evaluation_context-inl.h(43)] Error reading Variable update_disabled: “No value set for update_disabled”
[0522/171157.975570evaluation_context-inl.h(43)] Error reading Variable target_version_prefix: “No value set for target_version_prefix”
[0522/171157.975600evaluation_context-inl.h(43)] Error reading Variable rollback_to_target_version: "No value set for rollback_to_target_ve>
[0522/171157.975632evaluation_context-inl.h(43)] Error reading Variable release_channel_delegated: "No value set for release_channel_delega>
[0522/171157.975646evaluation_context-inl.h(43)] Error reading Variable release_lts_tag: “No value set for release_lts_tag”
[0522/171157.975669evaluation_context-inl.h(43)] Error reading Variable quick_fix_build_token: “No value set for quick_fix_build_token”
[0522/171157.977241:INFO:next_update_check_policy_impl.cc(48)] Periodic check interval not satisfied, blocking until 5/22/2021 9:45:54 GMT
[0522/171157.977272:INFO:evaluation_context.cc(190)] Waiting for value on forced_update_requested
[0522/171157.977296:INFO:evaluation_context.cc(190)] Waiting for value on policy_is_loaded
[0522/171157.977308:INFO:evaluation_context.cc(190)] Waiting for value on release_channel_delegated
[0522/171157.977317:INFO:evaluation_context.cc(190)] Waiting for value on release_lts_tag
[0522/171157.977327:INFO:evaluation_context.cc(190)] Waiting for value on update_disabled
[0522/171157.977336:INFO:evaluation_context.cc(190)] Waiting for value on target_version_prefix
[0522/171157.977345:INFO:evaluation_context.cc(190)] Waiting for value on rollback_to_target_version
[0522/171157.977354:INFO:evaluation_context.cc(190)] Waiting for value on rollback_allowed_milestones
[0522/171157.977364:INFO:evaluation_context.cc(190)] Waiting for value on quick_fix_build_token
[0522/171157.977386:INFO:evaluation_context.cc(219)] Waiting for timeout in 5m0s
[0522/171658.036673:INFO:evaluation_context.cc(117)] OnTimeout() called due to poll interval
[0522/171658.040134evaluation_context-inl.h(43)] Error reading Variable update_disabled: “No value set for update_disabled”
[0522/171658.040247evaluation_context-inl.h(43)] Error reading Variable target_version_prefix: “No value set for target_version_prefix”
[0522/171658.040315evaluation_context-inl.h(43)] Error reading Variable rollback_to_target_version: "No value set for rollback_to_target_ve>
[0522/171658.040394evaluation_context-inl.h(43)] Error reading Variable release_channel_delegated: "No value set for release_channel_delega>
[0522/171658.040423evaluation_context-inl.h(43)] Error reading Variable release_lts_tag: “No value set for release_lts_tag”
[0522/171658.040471evaluation_context-inl.h(43)] Error reading Variable quick_fix_build_token: “No value set for quick_fix_build_token”
[0522/171658.042260:INFO:next_update_check_policy_impl.cc(48)] Periodic check interval not satisfied, blocking until 5/22/2021 9:45:54 GMT
[0522/171658.042321:INFO:evaluation_context.cc(190)] Waiting for value on forced_update_requested
[0522/171658.042392:INFO:evaluation_context.cc(190)] Waiting for value on policy_is_loaded
[0522/171658.042421:INFO:evaluation_context.cc(190)] Waiting for value on release_channel_delegated
[0522/171658.042443:INFO:evaluation_context.cc(190)] Waiting for value on release_lts_tag
[0522/171658.042463:INFO:evaluation_context.cc(190)] Waiting for value on update_disabled
[0522/171658.042483:INFO:evaluation_context.cc(190)] Waiting for value on target_version_prefix
[0522/171658.042503:INFO:evaluation_context.cc(190)] Waiting for value on rollback_to_target_version
[0522/171658.042523:INFO:evaluation_context.cc(190)] Waiting for value on rollback_allowed_milestones
[0522/171658.042543:INFO:evaluation_context.cc(190)] Waiting for value on quick_fix_build_token
[0522/171658.042584:INFO:evaluation_context.cc(219)] Waiting for timeout in 5m0s
[0522/172158.103884:INFO:evaluation_context.cc(117)] OnTimeout() called due to poll interval
[0522/172158.105710evaluation_context-inl.h(43)] Error reading Variable update_disabled: “No value set for update_disabled”
[0522/172158.105855evaluation_context-inl.h(43)] Error reading Variable target_version_prefix: “No value set for target_version_prefix”
[0522/172158.105907evaluation_context-inl.h(43)] Error reading Variable rollback_to_target_version: "No value set for rollback_to_target_ve>
[0522/172158.105975evaluation_context-inl.h(43)] Error reading Variable release_channel_delegated: "No value set for release_channel_delega>
[0522/172158.106020evaluation_context-inl.h(43)] Error reading Variable release_lts_tag: “No value set for release_lts_tag”
[0522/172158.106080evaluation_context-inl.h(43)] Error reading Variable quick_fix_build_token: “No value set for quick_fix_build_token”
[0522/172158.106456:INFO:next_update_check_policy_impl.cc(48)] Periodic check interval not satisfied, blocking until 5/22/2021 9:45:54 GMT
[0522/172158.106525:INFO:evaluation_context.cc(190)] Waiting for value on forced_update_requested
[0522/172158.106600:INFO:evaluation_context.cc(190)] Waiting for value on policy_is_loaded
[0522/172158.106641:INFO:evaluation_context.cc(190)] Waiting for value on release_channel_delegated
[0522/172158.106673:INFO:evaluation_context.cc(190)] Waiting for value on release_lts_tag
[0522/172158.106705:INFO:evaluation_context.cc(190)] Waiting for value on update_disabled
[0522/172158.106735:INFO:evaluation_context.cc(190)] Waiting for value on target_version_prefix
[0522/172158.106771:INFO:evaluation_context.cc(190)] Waiting for value on rollback_to_target_version
[0522/172158.106807:INFO:evaluation_context.cc(190)] Waiting for value on rollback_allowed_milestones
[0522/172158.106843:INFO:evaluation_context.cc(190)] Waiting for value on quick_fix_build_token
[0522/172158.106882:INFO:evaluation_context.cc(219)] Waiting for timeout in 5m0s
[0522/172658.211986:INFO:evaluation_context.cc(117)] OnTimeout() called due to poll interval
[0522/172658.216355evaluation_context-inl.h(43)] Error reading Variable update_disabled: “No value set for update_disabled”
[0522/172658.216555evaluation_context-inl.h(43)] Error reading Variable target_version_prefix: “No value set for target_version_prefix”
[0522/172658.216634evaluation_context-inl.h(43)] Error reading Variable rollback_to_target_version: "No value set for rollback_to_target_ve>
[0522/172658.216764evaluation_context-inl.h(43)] Error reading Variable release_channel_delegated: "No value set for release_channel_delega>
[0522/172658.216812evaluation_context-inl.h(43)] Error reading Variable release_lts_tag: “No value set for release_lts_tag”
[0522/172658.216843evaluation_context-inl.h(43)] Error reading Variable quick_fix_build_token: “No value set for quick_fix_build_token”
[0522/172658.218713:INFO:next_update_check_policy_impl.cc(48)] Periodic check interval not satisfied, blocking until 5/22/2021 9:45:54 GMT
[0522/172658.218789:INFO:evaluation_context.cc(190)] Waiting for value on forced_update_requested
[0522/172658.218849:INFO:evaluation_context.cc(190)] Waiting for value on policy_is_loaded
[0522/172658.218876:INFO:evaluation_context.cc(190)] Waiting for value on release_channel_delegated
[0522/172658.218897:INFO:evaluation_context.cc(190)] Waiting for value on release_lts_tag
[0522/172658.218917:INFO:evaluation_context.cc(190)] Waiting for value on update_disabled
[0522/172658.218937:INFO:evaluation_context.cc(190)] Waiting for value on target_version_prefix
[0522/172658.218958:INFO:evaluation_context.cc(190)] Waiting for value on rollback_to_target_version
[0522/172658.218978:INFO:evaluation_context.cc(190)] Waiting for value on rollback_allowed_milestones
[0522/172658.218999:INFO:evaluation_context.cc(190)] Waiting for value on quick_fix_build_token
[0522/172658.219082:INFO:evaluation_context.cc(219)] Waiting for timeout in 5m0s
[0522/173658.387911:INFO:evaluation_context.cc(117)] OnTimeout() called due to poll interval
[0522/173658.388971evaluation_context-inl.h(43)] Error reading Variable update_disabled: “No value set for update_disabled”
[0522/173658.389086evaluation_context-inl.h(43)] Error reading Variable target_version_prefix: “No value set for target_version_prefix”
[0522/173658.389137evaluation_context-inl.h(43)] Error reading Variable rollback_to_target_version: "No value set for rollback_to_target_ve>
[0522/173658.389187evaluation_context-inl.h(43)] Error reading Variable release_channel_delegated: "No value set for release_channel_delega>
[0522/173658.389212evaluation_context-inl.h(43)] Error reading Variable release_lts_tag: “No value set for release_lts_tag”
[0522/173658.389254evaluation_context-inl.h(43)] Error reading Variable quick_fix_build_token: “No value set for quick_fix_build_token”
[0522/173658.389582:INFO:next_update_check_policy_impl.cc(48)] Periodic check interval not satisfied, blocking until 5/22/2021 9:45:54 GMT
[0522/173658.389627:INFO:evaluation_context.cc(190)] Waiting for value on forced_update_requested
[0522/173658.389693:INFO:evaluation_context.cc(190)] Waiting for value on policy_is_loaded
[0522/173658.389718:INFO:evaluation_context.cc(190)] Waiting for value on release_channel_delegated
[0522/173658.389737:INFO:evaluation_context.cc(190)] Waiting for value on release_lts_tag
[0522/173658.389756:INFO:evaluation_context.cc(190)] Waiting for value on update_disabled
[0522/173658.389774:INFO:evaluation_context.cc(190)] Waiting for value on target_version_prefix
[0522/173658.389792:INFO:evaluation_context.cc(190)] Waiting for value on rollback_to_target_version
[0522/173658.389811:INFO:evaluation_context.cc(190)] Waiting for value on rollback_allowed_milestones
[0522/173658.389829:INFO:evaluation_context.cc(190)] Waiting for value on quick_fix_build_token
[0522/173658.389871:INFO:evaluation_context.cc(219)] Waiting for timeout in 5m0s
其中一次的检查更新