[LU-16062] Different client and server timeouts during lock enqueue with BL AST set

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Severity: 3
• Assignee: Vitaly Fertman
• Reporter: Vitaly Fertman

Description

531.159590] LustreError: 10802:0:(ldlm_lockd.c:256:expired_lock_main()) ### lock callback timer expired after 99s: evicting client at 192.168.2.7@tcp  ns: mdt-lustre-MDT0002_UUID lock: ffff880967ce0480/0xd2e918f816df7d21 lrc: 3/0,0 mode: CR/CR res: [0x280000407:0x150:0x0].0x0 bits 0x9/0x0 rrc: 3 type: IBT flags: 0x60200400000020 nid: 192.168.2.7@tcp remote: 0x794bcb111018717d expref: 49 pid: 12233 timeout: 530 lvb_type: 0

while client timeout is
pb_timeout = 152,

So, if the reply was lost the client doesn't have time to resend.