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Hw watchdog
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‎TestPlans/switching/RPVST_MLAG/RPVST_MCLAG_SCALE_TOPOLOGY.png

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‎TestPlans/system/Hw_Watchdog/HW_Watchdog_TEST_PLAN.md

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# HW Watchdog Test Plan
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# SONiC 3.1.1 Project and Buzznik_plus_MR Release
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[TOC]
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# Test Plan Revision History
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| Rev | Date | Author | Change Description |
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| :--: | :--------: | :------------------: | :----------------: |
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| 0.1 | 10/06/2020 | Praveen Kumar Kota | Initial version |
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# List of Reviewers
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| Function | Name |
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| :------: | :------------------: |
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| Dev | Kalimuthu |
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| QA | Babu Rajaram |
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| QA | Anil Kumar Kolkaleti |
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# List of Approvers
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| Function | Name | Date Approved |
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| :------: | :------------------: | :-----------: |
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| Dev | Kalimuthu | |
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| QA | Babu Rajaram | |
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# 1 Topologies
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## 1.1 Topology
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#### <span style="color:red"> </span>
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![Topology:1](HW_Watchdog_TOPOLOGY.png "Figure: HW_Watchdog ")
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# 2 Functional
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### 2.1.1 Verify the watchdog reset by killing the watchdog daemon process/hardware hung simulation.
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| **Test ID** | **Tescase1** |
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| -------------- | :----------------------------------------------------------- |
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| **Test Name** | **Verify the watchdog reset by killing the watchdog daemon process/hardware hung simulation.** |
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| **Test Setup** | **Topology** |
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| **Type** | **Functional** |
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| **Steps** | **<br/>Procedure:<br/>1) Pause the watchdog util timer using "watchdogutil pause".<br/>2) Check the status of of watchdogutil using "watchdogutil status".<br/>3) Wait untill the expiry of watchdog timer.<br/>4) Check whether systems get reset after WDT expiry.<br/>Expected Result:<br/>1) Verify that command got executed properly. <br/>2) Verify the status is paused.<br/>3) Verify that WDT got expired.<br/>4) Verify that watchdog reset by killing the watchdog daemon process/hardware hung simulation.** |
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### 2.1.2 Verify the reboot reason when system reboots because of watchdog timeout.
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| **Test ID** | **Tesctase2** |
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| -------------- | :----------------------------------------------------------- |
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| **Test Name** | **Verify the reboot reason when system reboots because of watchdog timeout.** |
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| **Test Setup** | **Topology** |
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| **Type** | **Functional** |
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| **Steps** | **<br/>Procedure:<br/>1) Pause the watchdog util timer using "watchdogutil pause".<br/>2) Check the status of of watchdogutil using "watchdogutil status".<br/>3) Wait untill the expiry of watchdog timer.<br/>4) Check whether systems get reset after WDT expiry.<br/>5) Check the reboot reason.<br/>Expected Result:<br/>1) Verify that command got executed properly. <br/>2) Verify the status is disarmed.<br/>3) Verify that WDT got expired.<br/>4) Verify that watchdog reset by killing the watchdog daemon process/hardware hung simulation.<br/>5) Verify the reboot reason is shown as exact reason.** |
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### 2.1.3 Verify the watchdog enable/disable support.
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| **Test ID** | **Tesctase3** |
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| -------------- | :----------------------------------------------------------- |
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| **Test Name** | **Verify the watchdog enable/disable support.** |
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| **Test Setup** | **Topology** |
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| **Type** | **Functional** |
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| **Steps** | **<br/>Procedure:<br/>1) Check whether watchdog can be disabled or not using "watchdogutil disarm"<br/>2) Check whether the status is shown as disarmed or not.<br/>3) Revert back the watchdog config by enabling back using "watchdogutil arm"<br/>4) Check wherther the status is shown as armed or not.<br/>Expected Result:<br/>1) Verify that command got executed properly.<br/>2) Verify the status is disarmed.<br/>3) Verify the command got executed properly.<br/>4) Verify the watchdog can be enable/disable.** |
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### 2.1.4 Verify the watchdog disable during kdump collection.
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| **Test ID** | **Tesctase4** |
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| -------------- | :----------------------------------------------------------- |
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| **Test Name** | **Verify the watchdog disable during kdump collection.** |
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| **Test Setup** | **Topology** |
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| **Type** | **Functional** |
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| **Steps** | **<br/>Procedure:<br/>1) Try to get kdump collection using " echo c>/proc/sysrq-trigger".<br/>2) Check watchdog get disable.<br/>3) Check whether system get reset and get reboot reason.<br/>4Collect kdump status.<br/>Expected Result:<br/>1) Verify the step executed successfully.<br/>2,3) Verify that system gets reset and reboot cause is shown appropriate message.<br/>4) Verify the watchdog disable during kdump collection.** |
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### 2.1.5 Verify the watchdog reading of watchdog timeout value.
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| **Test ID** | **Tesctase5** |
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| -------------- | :----------------------------------------------------------- |
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| **Test Name** | **Verify the watchdog reading of watchdog timeout value.** |
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| **Test Setup** | **Topology** |
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| **Type** | **Functional** |
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| **Steps** | **<br/>Procedure:<br/>1) Check the watchdog reading of watchdog timeout value using "watchdogutil timeout".<br/>Expected Result:<br/>1) Verify the watchdog reading of watchdog timeout value.** |
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### 2.1.6 Verify the 2.0 API interface.
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| **Test ID** | **Tesctase6** |
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| -------------- | :----------------------------------------------------------- |
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| **Test Name** | **Verify the 2.0 API interface.** |
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| **Test Setup** | **Topology** |
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| **Type** | **Functional** |
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| **Steps** | **<br/>Procedure:<br/>1) Check the Watchdogtutil and systemctl status watchdog-control should show running status.<br/>Expected Result:<br/>1) Verify that Watchdogtutil and systemctl status watchdog-control are shown in show running status.** |
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# 3.Reference
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http://gerrit-lvn-07.lvn.broadcom.net:8083/plugins/gitiles/sonic/documents/+/refs/changes/06/23706/3/platforms/watchdog/watchdog.md
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