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Switch reboots with <Crit:Kern.Alert> CPU 1: soft watchdog expiration warning EPC ffffffffc304ee18(init_module+0x2ffde18/0x2ffe560 [exsnoop]) at 2 seconds.

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Information

 
TitleSwitch reboots with <Crit:Kern.Alert> CPU 1: soft watchdog expiration warning EPC ffffffffc304ee18(init_module+0x2ffde18/0x2ffe560 [exsnoop]) at 2 seconds.
Symptoms
Switch reboots with errors similar to the following:
​<Crit:Kern.Alert> CPU 1: soft watchdog expiration warning EPC ffffffffc304ee18(init_module+0x2ffde18/0x2ffe560 [exsnoop]) at 2 seconds.
Environment
  • EXOS 16.1.3.6
  • Summit
Cause
The cause is currently under investigation, but is suspected to be related to the improper handling of multicast traffic by the switch CPU.  It appears to be more prevalent when there are large amounts of multicast traffic hitting the switch CPU.
Resolution
If you encounter this issue, please contact GTAC for further analysis.
How to contact Extreme Networks Global Technical Assistance Center (GTAC)
Additional notes

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