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Cisco Bug: CSCvi00719 - Service "bcm_usd" hasn't caught signal 11 and has had a hap failure

Last Modified

Oct 09, 2019

Products (37)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 92304QC Switch
  • Cisco Nexus 92160YC-X Switch
  • Cisco Nexus 9396TX Switch
  • Cisco Nexus 31108TC-V Switch
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 3132Q-V Switch
  • Cisco Nexus 9272Q Switch
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Known Affected Releases


Description (partial)

On N9K-X9408PC-CFP2 linecards and N9K-M4PC-CFP2 modules, the bcm_usd process may crash with the following logging messages, and the affected linecard or the entire switch will reload:

<pre>2018 Jul 15 15:52:19.524 N9500 %SYSMGR-SLOT8-2-SERVICE_CRASHED: Service "bcm_usd" (PID 7466) hasn't caught signal 11 (core will be saved).
2018 Jul 15 15:52:19.840 N9500 %SYSMGR-SLOT8-2-HAP_FAILURE_SUP_RESET: Service "bcm_usd" in vdc 1 has had a hap failure
2018 Jul 15 15:53:09.071 N9500 %MODULE-2-MOD_DIAG_FAIL: Module 8 (Serial number: <removed>) reported failure due to Service on linecard had a hap-reset in device DEV_SYSMGR (device error 0x30b)</pre>

After the reload, the show logging onboard module <i>slot-number</i> for the affected module will indicate that the bcm_usd experienced a hap-reset:

<pre>Exception Log Record :  Sun Jul 15 15:53:08 2018 (454396 us) 

Device Id         : 134
Device Name       : System Manager
Device Error Code : 30b(H)
Device Error Type : ERR_TYPE_DIAG
Device Error Name : NULL
Device Instance   : 0
Sys Error         : Service on linecard had a hap-reset
Errtype           : CATASTROPHIC
PhyPortLayer      : 0x0
Port(s) Affected  : 
Error Description : bcm_usd hap reset
DSAP              : 0
UUID              : 1
Time              : Sun Jul 15 15:53:08 2018
                    (454395 usecs 5B4B43B4(H) jiffies)</pre>

There will also be a core file for the bcm_usd process generated, visible in the show cores command output.

This defect only applies to N9K-X9408PC-CFP2 and N9K-M4PC-CFP2 modules, and occurs when a data parity error is detected in the runtime memory contents of the Ranger+ (Triumph3) MAC ASIC.
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