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PANIC: protection fault on VA 0 code 0 in process NwkThd_00 due a faulty device

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aff-series
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hw
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Applies to

  • ONTAP 9
  • Following Switch replacement
  • Cisco Nexus 3232C Cluster Switch

Issue

Node panics after switch maintenance. 
  • It may take several minutes for the node to panic following giveback. 
Panic message reported:
 
PANIC: protection fault on VA 0 code 0 cs:rip 0x20:0xffffffff8987d920 in process NwkThd_00 on release 9.7P5 (C) on Tue Sep 21 12:36:11 EDT 2021 version: 9.7P5: Tue Jun 23 00:04:35 EDT 2020
 
  • CRC errors will be visible in ifstat output.

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