[LU-12362] kernel warning 'do not call blocking ops when !TASK_RUNNING ' in ptlrpcd

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Upstream, Lustre 2.15.0
• Affects Version/s: Lustre 2.12.0
• Labels: arm
• Environment: ARM client running TOSS kernel 4.14.0-115.6.1.1chaos.ch6a.aarch64
• Severity: 3
• Assignee: James A Simmons
• Reporter: Ruth Klundt (Inactive)

Description

kernel: do not call blocking ops when !TASK_RUNNING; state=1 set at <ffff000002a473d0>] ptlrpcd+0x410/0x5c0 [ptlrpc]
kernel: ------------[ cut here ]------------
kernel: WARNING: CPU: 35 PID: 14128 at kernel/sched/core.c:5988 __might_sleep+0x84/0x8c 

Issue Links

• is blocking: LU-10756 Send Uevents for interesting Lustre changes
• is related to: LU-12431 Close race on cp_state changes
• is related to: LU-12511 Prepare lustre for adoption into the linux kernel
• is related to: LU-10756 Send Uevents for interesting Lustre changes
• is related to: LU-10467 use standard linux wait_event macros
• is related to: LU-10300 Can the Lustre 2.10.x clients support 64K kernel page?