OPERATIONAL DEFECT DATABASE
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The host goes into not-responding state in the vCenter inventory.The ioFilterVPServer is out of memory.Reboot fixes the issue temporarily. Logs:vmkernel.log2023-09-28T04:05:07.889Z cpu28:2099675)Admission failure in path: host/iofilters/iofiltervpd:ioFilterVPServer.2099675:uw.20996752023-09-28T04:05:07.889Z cpu28:2099675)UserWorld 'ioFilterVPServer' with cmdline '/usr/lib/vmware/iofilter/bin/ioFilterVPServer'2023-09-28T04:05:07.889Z cpu28:2099675)uw.2099675 (4996) extraMin/extraFromParent: 512/512, iofiltervpd (599) childEmin/eMinLimit: 6382/64002023-09-28T04:05:07.889Z cpu28:2099675)Admission failure in path: host/iofilters/iofiltervpd:ioFilterVPServer.2099675:uw.20996752023-09-28T04:05:07.889Z cpu28:2099675)UserWorld 'ioFilterVPServer' with cmdline '/usr/lib/vmware/iofilter/bin/ioFilterVPServer'2023-09-28T04:05:07.889Z cpu28:2099675)uw.2099675 (4996) extraMin/extraFromParent: 256/256, iofiltervpd (599) childEmin/eMinLimit: 6382/6400Iofiltervpd.log2023-09-08T08:52:43Z iofiltervpd[2099675]: run:159:SSL Connection error 30 : SSL_ERROR_SSL error:2D071086:FIPS routines:FIPS_drbg_generate:selftest failederror:140B512D:SSL routines:ssl_get_new_session:ssl session id callback failed
There is a memory leak in the gsoap/openssl library when SSL caching is enabled. IOFilterVP SSL cache consumes heap memory for each SSL session (for each VASA API request). Eventually, it consumes all the memory from the iofiltervp resource pool.
This issue will be fixed in the below versions: vSphere ESXi 7.0.3 P09vSphere ESXi 8.0 P03
As a workaround, restart the IOFilterVP service. SSH into the affected ESXi hostRestart the IOFilter service: /etc/init.d/iofiltervpd restart
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