[LU-7791] signal vs CP callback race

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.12.7, Lustre 2.12.8
• Labels: LTS12 patch
• Severity: 3
• Assignee: Andriy Skulysh
• Reporter: Andriy Skulysh

Description

a lock isn't canceled on the server on reception of a signal, thus client is evicted for not responding to LDLM_FL_AST_SENT.

Issue Links

• is related to: LU-8067 sanityn test_31a: read dd: reading `/mnt/lustre2/d31a.sanityn/f31a.sanityn': Input/output error 0 blocks, must be