Reboot command is not working properly in linux4.14

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Reboot command is not working properly in linux4.14

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santoshrao
Contributor II

Hi all,

      Software reboot command is not working properly when I give the $ sudo reboot and It stopped after all processes shutdown. If any one knows help me out.

Regards,

Santosh

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi Santosh

one can check that power was removed all components on the board in the event of a

processor reset, as it is done in i.MX8M EVK design (with nWDOG U704 (UM805RE))

https://www.nxp.com/support/developer-resources/evaluation-and-development-boards/sabre-development-... 

Otherwise one can try to debug and analyse which component remains in non-reset state, probably

dumping processor modules registers in good and non-working case.

Best regards
igor
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santoshrao
Contributor II

Hi igor,

 

         I think it is not an issue with watchdog module and after stopped all services again its not restarting in linux4.14 only.If you take linux4.19 its working properly.

Regards,

Santosh

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187 Views
igorpadykov
NXP TechSupport
NXP TechSupport

Hi Santosh

if above requirement is not satisfied issue is random

and may vary depending on used kernel and board.

Best regards
igor

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187 Views
santoshrao
Contributor II

Hi igor,

       1. Can you explain how reboot works and reboot working flow.

       2. Reboot command will works without watchdog timer in any arm device

Regards,

Santosh

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187 Views
igorpadykov
NXP TechSupport
NXP TechSupport

Hi Santosh

could you try to reproduce issue on nxp reference board with

nxp official linux from source.codeaurora.org/external/imx/linux-imx repository

linux-imx - i.MX Linux kernel 

Best regards
igor

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