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  1. Lustre
  2. LU-15127

import invalidation vs writeback deadlock

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Minor Minor
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    • 3
    • 9223372036854775807

      racer hits this deadlock few times a day:

      schedule,osc_extent_wait,osc_cache_wait_range,osc_cache_writeback_range,osc_io_fsync_start,cl_io_start,lov_io_call,cl_io_start,cl_io_loop,cl_sync_file_range,ll_delete_inode,evict,__dentry_kill,dentry_kill,dput,ll_dirty_page_discard_warn,vvp_page_completion_write,cl_page_completion,osc_ap_completion,osc_extent_finish,brw_interpret,ptlrpc_check_set,ptlrpcd
      	PIDs(1): "ptlrpcd_00_00":4889 
      
      schedule,osc_extent_wait,osc_cache_wait_range,osc_cache_writeback_range,osc_ldlm_blocking_ast,ldlm_cancel_callback,ldlm_cli_cancel_local,ldlm_cli_cancel,osc_ldlm_blocking_ast,ldlm_handle_bl_callback,ldlm_bl_thread_main
      	PIDs(1): "ldlm_bl_02":7759 
      
      schedule,ptlrpc_invalidate_import,ptlrpc_invalidate_import_thread
      	PIDs(1): "ll_imp_inval":293752 
      
      schedule,ptlrpc_invalidate_import,ptlrpc_set_import_active,osc_iocontrol,lov_iocontrol,ll_umount_begin,ksys_umount,__x64_sys_umount
      	PIDs(1): "umount":449648 
      

            paf Patrick Farrell (Inactive)
            bzzz Alex Zhuravlev
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              Created:
              Updated:
              Resolved: