topic Does WDT keep running after kernel crash? in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/Does-WDT-keep-running-after-kernel-crash/m-p/787794#M122053 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I want to know if the Watchdog timer continue to run even after the linux kernel crash?</P><P></P><P>In my current system, Linux 4.9.11 on wandboard, after the linux kernel crashes nothing happen and&nbsp; I have to reboot manually, which will not be possible when my system goes to field.</P></BODY></HTML> Sun, 23 Sep 2018 14:26:06 GMT viniciusmaciel 2018-09-23T14:26:06Z Does WDT keep running after kernel crash? https://community.nxp.com/t5/i-MX-Processors/Does-WDT-keep-running-after-kernel-crash/m-p/787794#M122053 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I want to know if the Watchdog timer continue to run even after the linux kernel crash?</P><P></P><P>In my current system, Linux 4.9.11 on wandboard, after the linux kernel crashes nothing happen and&nbsp; I have to reboot manually, which will not be possible when my system goes to field.</P></BODY></HTML> Sun, 23 Sep 2018 14:26:06 GMT https://community.nxp.com/t5/i-MX-Processors/Does-WDT-keep-running-after-kernel-crash/m-p/787794#M122053 viniciusmaciel 2018-09-23T14:26:06Z Re: Does WDT keep running after kernel crash? https://community.nxp.com/t5/i-MX-Processors/Does-WDT-keep-running-after-kernel-crash/m-p/787795#M122054 <HTML><HEAD></HEAD><BODY><P>Hi Vinicius</P><P></P><P>in general it should work except cases, when accidentally</P><P>wdt clock sources were disabled, described in sect.70.3 Clocks</P><P>Chapter 70 Watchdog Timer (WDOG) i.MX6SDL Reference<BR />Manual or changed bits WDZST, WDBG, register WDOGx_WCR.<BR /><A class="link-titled" href="http://www.nxp.com/assets/documents/data/en/reference-manuals/IMX6SDLRM.pdf" title="http://www.nxp.com/assets/documents/data/en/reference-manuals/IMX6SDLRM.pdf">http://www.nxp.com/assets/documents/data/en/reference-manuals/IMX6SDLRM.pdf</A>&nbsp;</P><P><BR />Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Sun, 23 Sep 2018 23:06:34 GMT https://community.nxp.com/t5/i-MX-Processors/Does-WDT-keep-running-after-kernel-crash/m-p/787795#M122054 igorpadykov 2018-09-23T23:06:34Z