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Cisco Bug: CSCvs89313 - race condition between 2 policymgr threads results in rollback failure preventing bundle coming up

Last Modified

May 19, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

6.5.3.BASE

Description (partial)

Symptom:
race condition between 2 policymgr threads results in rollback failure preventing bundle coming up

Conditions:
This is seen on eXR 653

There may be rollback failure on LC 9

For LC 10:

Jan 21 08:52:26.185 pbr_ea_gcp/pbr_ea_ev 0/10/CPU0 8# t5964 Delete inline class: pname:<string incorrectly traced>, iclassID: 0x7600000b. <<<<<<<<< Rollback successful
Jan 21 08:52:26.023 pbr_ea_gcp/pbr_ea_ev 0/10/CPU0 3# t5964 Add inline classes: pname:<string incorrectly traced>, prev:0x0, next: 0xf6000002 num_classes: 8, first_iclassID: 0x76000004, last_iclassID: 0x7600000b. <<<<< Apply failure


For LC 09:

Jan 21 08:52:25.145 pbr/pbr_ea_err 0/9/CPU0 4# t5976 Inline classes, policy apply failed, 0x40880400:'km' detected the 'warning' condition 'internal error'.
Jan 21 08:52:26.559 pbr/pbr_ea_err 0/9/CPU0 1# t5976 platform DLL inplace add inline classes function for policy: __bgpfs_default_IPv4 failed, 0x493bf416:'PBR' detected the 'warning' condition 'PBR PD': Invalid argument
Jan 21 08:52:26.559 pbr/pbr_ea_err 0/9/CPU0 1# t5976 platform DLL inplace modification failed, for policy: __bgpfs_default_IPv4 rollback will be performed, 0x493bf416:'PBR' detected the 'warning' condition 'PBR PD': Invalid argument
Jan 21 08:52:26.566 pbr/pbr_ea_err 0/9/CPU0 1# t5976 Failed when processing target count 10 for policy: __bgpfs_default_IPv4, modify action: Apply,  0x493bf416:'PBR' detected the 'warning' condition 'PBR PD': Invalid argument.
Jan 21 08:52:26.566 pbr/pbr_ea_err 0/9/CPU0 1# t5976 ERROR: Returning from Modify policy handler for policy: __bgpfs_default_IPv4 (tid: 1579614746, action: Apply, num targets: 10, modify flags: 0x1) with error, 0x493bf416:'PBR' detected the 'warning' condition 'PBR PD': Invalid argument.   <<<<<<<<<< Apply failure so far
Jan 21 08:52:26.567 pbr/pbr_ea_err 0/9/CPU0 1# t5976 platform DLL inplace delete inline classes function for policy: __bgpfs_default_IPv4 failed, 0x493bf402:'PBR' detected the 'warning' condition 'PBR PD': No such file or directory. <<<<<<<<<<<.   rollback failure
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