OPERATIONAL DEFECT DATABASE
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BGP process got stuck in Mutex state node: node0_RSP0_CPU0 ------------------------------------------------------------------ 65548 12300 1 ksh Reply 2062:59:17:0134 12299 devc-conaux 98 36893 2 umass-enum Reply 2062:59:19:0354 1 kernel 98 36893 6 umass-enum Reply 2062:59:17:0453 94251 io-usb 98 36893 7 umass-enum Reply 2062:59:17:0453 1 kernel 53 94252 2 attachd Reply 2062:59:18:0863 86058 eth_server 53 94252 3 attachd Reply 2062:59:18:0862 16400 mqueue 87 94253 6 qnet Reply 0:00:00:0000 86058 eth_server 65584 817893424 1 exec Reply 0:00:14:0196 1 kernel 52 94258 2 attach_server Reply 2062:59:18:0804 16400 mqueue 65589 94261 2 devb-umass Reply 0:00:11:0123 94251 io-usb 468 200802 1 tftp_server Reply 2062:55:32:0265 16400 mqueue 461 434373 2 tamsvcs_tamm Reply 2062:57:19:0971 1 kernel 1083 1069284 8 bgp Mutex 13:46:42:0424 1069284-22 #1 1083 1069284 13 bgp Reply 2062:55:44:0690 1065328 lspv_server 1083 1069284 19 bgp Mutex 13:46:42:0426 1069284-22 #1 1083 1069284 21 bgp Mutex 13:46:41:0303 1069284-22 #1 1083 1069284 24 bgp Mutex 13:46:42:0439 1069284-22 #1 329 823548 2 lpts_fm Reply 0:00:04:0556 364649 lpts_pa 65811 827531539 1 more Reply 0:00:00:0004 16398 pipe 1222 991560 11 xtc_agent Reply 2062:56:20:0099 1065328 lspv_server 1223 991567 20 l2vpn_mgr Reply 2062:56:18:0504 1065328 lspv_server 1221 991569 15 mpls_ldp Reply 2062:55:37:0960 1065328 lspv_server 1029 1065336 20 ospf Reply 2062:56:19:0529 1065328 lspv_server 1030 1065337 20 ospf Reply 2062:56:19:0517 1065328 lspv_server 343 1065342 6 mibd_route Send 13:42:11:0616 1069284 bgp 1013 1065343 11 isis Reply 2062:56:14:0863 1065328 lspv_server 65931 827531659 1 show_processes Reply 0:00:00:0000 1 kernel The threads blocked in Mutex are pending on TID = 22 (bgp-sync-active) which is holding the mutex. However that same thread 22 is pending on a cond_var for rdinfo :
1. XR running on QNX classic XR 2. Standby RP present and BGP NSR is enabled 3. Configuration change for neighbor policy (e.g.. removal of all neighbor configs) 4. Simultaneous churn incoming bgp updates no router bgp 64530 neighbor 10.5.179.117 commit RP/0/RSP0/CPU0:Jul 29 12:01:18.329 MET: bgp[1083]: %ROUTING-BGP-5-ADJCHANGE_DETAIL : neighbor 10.5.179.117 Down - Peer closing down the session (VRF: default; AFI/SAFI: 1/128) (AS: 65459)
Reload of RSP/ switch-over
BGP process stuck in mutex state after removal of neighbor command
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