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Titolo
NetVault 12.2 for Linux - nvsched segfault at startup under CentOS and RHEL 7.5 and 7.6 -
Descrizione
After upgrading to NetVault 12.2 under CentOS and RHEL 7.5 and 7.6, the nvsched process (Schedule Manager) crashes several times on startup.- The segfault from nvsched generates a core dump.- /var/log/messages files show:++++++++++++++++Mar 13 17:35:52 localhost kernel: nvsched[1646]: segfault at 7f5d00000000 ip 0000003de0047e2c sp 00007fffb7172220 error 4 in libc-2.12.so[3de0000000+18a000]Mar 13 17:35:52 localhost abrtd: Directory 'ccpp-2019-03-13-17:35:52-1646' creation detectedMar 13 17:35:52 localhost abrt[1702]: Saved core dump of pid 1646 (/usr/netvault/bin/nvsched) to /var/spool/abrt/ccpp-2019-03-13-17:35:52-1646 (18874368 bytes)Mar 13 17:35:53 localhost abrtd: Executable '/usr/netvault/bin/nvsched' doesn't belong to any package and ProcessUnpackaged is set to 'no'Mar 13 17:35:53 localhost abrtd: 'post-create' on '/var/spool/abrt/ccpp-2019-03-13-17:35:52-1646' exited with 1Mar 13 17:35:53 localhost abrtd: Deleting problem directory '/var/spool/abrt/ccpp-2019-03-13-17:35:52-1646'Mar 13 17:35:53 localhost kernel: nvsched[1728]: segfault at 7f8400000000 ip 0000003de0047e2c sp 00007fff40734210 error 4 in libc-2.12.so[3de0000000+18a000]Mar 13 17:35:53 localhost NetVault[1604]: NetVault: Client: 'localhost' Class: 'System' Job: 'N/A' Warnlevel: 'Severe Error' Msg: 'Process 'Schedule Manager' (PID '5') has crashed!'++++++++++++++++- NetVault logs show that the nvsched process tries to load scheduled phases and crashes:---Loading scheduled phases, if anyProcess 'Schedule Manager' (PID '5') has crashed!---nvsched also leaves a NetVault dump which shows a problem with the db query results:---6 DBCONNCT:11079 25 0 123533.245067 (1,0/0){SELECT * FROM scheduledphaseinfo ord...4 DBWRKFLW:11079 4 0 123533.302911 pgSchedDbSetPhaseInfoFromPGresult: Query returned null value for column jobmanagerid---- nvsched will crash several times but eventually recovers and NetVault starts up normally. -
Causa
This issue is logged under bug NVBU-18981 and only affects NetVault 12.2.Previous versions of NetVault do not exhibit this behaviour under CentOS/RHEL 7.5 and 7.6.The impact is minimal and does not affect normal NetVault operations. -
Risoluzione
There are currently no workarounds identified.While nvsched initially crashes, NetVault recovers quickly and this issue does not prevent the application from starting and running as normal.STATUS:This issue will be fixed in a future version of NetVault. -
ID difetto
NVBU-18981 -
Informazioni aggiuntive
nvsched, segfault, core dump