[15964.600947] task:cp state:S stack: 0 pid:750577 ppid: 1 flags:0x00004080
[15964.602308] Call Trace:
[15964.602765] __schedule+0x2d1/0x860
[15964.603383] schedule+0x35/0xa0
[15964.603939] ldlm_completion_ast+0x5ed/0x900 [ptlrpc]
[15964.604842] ? finish_wait+0x80/0x80
[15964.605473] ldlm_lock_match_with_skip+0x378/0x790 [ptlrpc]
[15964.606463] osc_enqueue_base+0x111/0x550 [osc]
[15964.607322] ? osc_lock_upcall_speculative+0x2d0/0x2d0 [osc]
[15964.608286] osc_lock_enqueue+0x41f/0xab0 [osc]
[15964.609071] cl_lock_enqueue+0x5f/0x130 [obdclass]
[15964.610115] lov_lock_enqueue+0x5d/0x170 [lov]
[15964.610908] cl_lock_enqueue+0x5f/0x130 [obdclass]
[15964.611759] cl_lock_request+0x66/0x1d0 [obdclass]
[15964.612611] cl_io_lock+0x127/0x320 [obdclass]
[15964.613405] cl_io_loop+0x89/0x200 [obdclass]
[15964.614198] cl_setattr_ost+0x2b5/0x340 [lustre]
[15964.615120] ll_setattr_raw+0x8df/0xf10 [lustre]
[15964.615929] ? lprocfs_counter_add+0x12a/0x1a0 [obdclass]
[15964.616875] notify_change+0x337/0x4c0
[15964.617541] do_truncate+0x74/0xc0
[15964.618150] path_openat+0x5c2/0x1500
[15964.618798] ? do_swap_page+0x6d1/0x710
[15964.619466] do_filp_open+0x93/0x100
[15964.620093] ? getname_flags+0x4a/0x1e0
[15964.620767] ? __check_object_size+0xac/0x173
[15964.621512] ? __alloc_fd+0xb1/0x150
[15964.622145] do_sys_openat2+0x211/0x2b0
[15964.622808] do_sys_open+0x4b/0x80
[15964.623408] do_syscall_64+0x5b/0x1b0
[15964.624051] entry_SYSCALL_64_after_hwframe+0x61/0xc6