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Cisco Bug: CSCum35498 - N5K kernel panic crash usd_mts_kthread

Last Modified

Nov 27, 2020

Products (2)

  • CiscoPro Workgroup EtherSwitch Software
  • CiscoPro Workgroup EtherSwitch Software

Known Affected Releases

6.0(2)N1(2) 6.0(2)N2(2) 7.1(0)N1(0.129)

Description (partial)

N5k kernel panic crash observed on 6.0(2)N2(2)

 KERN-0-SYSTEM_MSG  [2205608.520006] BUG: soft lockup - CPU#0 stuck for 11s! [usd_mts_kthread:3296]

It is suspected to be triggered by high volume of traffic hitting the management interface. The soft lockup may happen at different process, as the issue is triggered at the interrupt level.
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