Operational Defect Database
BugZero updated this defect 53 days ago.
Data sources
All data on this page is proprietary to BugZero® or gathered from public sources
VMware | 97168
Edge Node bgpd application crash in NSX-T 4.1.1 and 4.1.2.x
Last update date:
3/27/2024
Affected products:
NSX-T
Affected releases:
4.x
Fixed releases:
No fixed releases provided.
Description:
Symptoms
You are running NSX-T 4.1.1 or 4.1.2.xYou have encountered alarms similar to the below reporting application crashes relating to edge nodes: Application on NSX node <node_name> has crashed. The number of core files found is x. Collect the Support Bundle including core dump files and contact VMware Support team. Core dumps for the BGP daemon can be seen on the reported Edge Node: -rw-r--r-- 1 root root 970K Mar 26 16:29 core.bgpd.xxxxxxx.xxxxx.xxx.gz Entries similar to the below will be encountered on the NSX Edge node in /var/log/syslog: 2024-03-25T20:19:49.192Z edge-node-1 bgpd 10582 - - bgp_advertise_clean_subgroup+0x3f 10322a97aa4f 796c58d59000 /usr/lib/frr/bgpd (mapped at 0x10322a8c9000)..2024-03-25T20:19:49.849Z edge-node-1 bgpd 10582 - - subgroup_process_announce_selected+0x350 10322a95a430 796c58d59040 /usr/lib/frr/bgpd (mapped at 0x10322a8c9000)
Cause
This issue occurs due to a stale entry following a clean up operation in BGP sub-groups in the very rare occurrence when a withdraw update operation is taking place simultaneously. When the service attempts to access the stale entry, the crash occurs.
Resolution
This is a known issue currently impacting NSX-T.
Workaround
Currently there is no workaround to this issue and it very rarely encountered, if you encounter this issue, please raise a support request with VMware.Once the logs have been gathered to workaround the issue and clear the alarm: On NSX appliance nodes, the following nsxcli command can be used to remove core and heap dump files: nsxcli> del core-dump allornsxcli> del core-dump <core-dump-file>
