[LU-1820] (genops.c:766:class_export_destroy()) ASSERTION(cfs_list_empty(&exp->exp_hp_rpcs)) failed

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.3.0, Lustre 2.4.0
• Affects Version/s: Lustre 2.1.0, Lustre 2.2.0, Lustre 2.3.0, Lustre 2.4.0
• Labels: MB patch
• Severity: 3
• Assignee: Mikhail Pershin
• Reporter: Alexander Boyko

Description

ptlrpc_server_handle_req_in() call ptlrpc_server_request_add()
and hp request can be added to export->exp_hp_rpcs, but reference
increase at ptlrpc_server_handle_request(). If class_disconnect() and
class_export_destroy() occures before ptlrpc_server_handle_request()
we got ASSERTION.