uvloop 会导致 oom (Out of memory) ,遇到过吗,就是简单的 tcpserver 接收数据

uvloop

Out of memory: Kill process 30595 (python) score 688 or sacrifice child
Jul 15 14:14:22 localhost kernel: [258683.328435] Killed process 30595 (python) total-vm:6270284kB, anon-rss:5700040kB, file-rss:1304kB
Jul 15 15:47:50 localhost kernel: [264291.491208] 1_scheduler invoked oom-killer: gfp_mask=0x24201ca, order=0, oom_score_adj=0
Jul 15 15:47:50 localhost kernel: [264291.493678] 1_scheduler cpuset=/ mems_allowed=0
Jul 15 15:47:50 localhost kernel: [264291.493683] CPU: 0 PID: 8974 Comm: 1_scheduler Not tainted 4.4.0-91-generic #114-Ubuntu
Jul 15 15:47:50 localhost kernel: [264291.496019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Jul 15 15:47:50 localhost kernel: [264291.497668]  0000000000000286 b0bf64b438711cf4 ffff8800db6839f8 ffffffff813f9c83
Jul 15 15:47:50 localhost kernel: [264291.497668]  ffff8800db683bb0 ffff8800358a0000 ffff8800db683a68 ffffffff8120b88e
Jul 15 15:47:50 localhost kernel: [264291.497668]  ffffffff8113fa0a ffff8800db683a40 ffffffff814dae5a 00000000ffffffff
Jul 15 15:47:50 localhost kernel: [264291.497668] Call Trace:
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff813f9c83>] dump_stack+0x63/0x90
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff8120b88e>] dump_header+0x5a/0x1c5
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff8113fa0a>] ? __delayacct_freepages_end+0x2a/0x30
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff814dae5a>] ? virtballoon_oom_notify+0x2a/0x80
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff81192d62>] oom_kill_process+0x202/0x3c0
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff81193189>] out_of_memory+0x219/0x460
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff81199178>] __alloc_pages_slowpath.constprop.88+0x938/0xad0
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff81199596>] __alloc_pages_nodemask+0x286/0x2a0
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff811e30dc>] alloc_pages_current+0x8c/0x110
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff8118f32b>] __page_cache_alloc+0xab/0xc0
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff8119183a>] filemap_fault+0x14a/0x3f0
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff812a3a96>] ext4_filemap_fault+0x36/0x50
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff811be850>] __do_fault+0x50/0xe0
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff811c2372>] handle_mm_fault+0xfa2/0x1820
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff810be7e8>] ? pick_next_task_fair+0x338/0x4f0
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff8106b577>] __do_page_fault+0x197/0x400
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff8106b802>] do_page_fault+0x22/0x30
Jul 15 15:47:50 localhost kernel: [264291.497668]  [<ffffffff81844178>] page_fault+0x28/0x30
Jul 15 15:47:50 localhost kernel: [264291.542500] Mem-Info:
Jul 15 15:47:50 localhost kernel: [264291.543838] active_anon:1940004 inactive_anon:10545 isolated_anon:0
Jul 15 15:47:50 localhost kernel: [264291.543838]  active_file:0 inactive_file:0 isolated_file:0
Jul 15 15:47:50 localhost kernel: [264291.543838]  unevictable:913 dirty:3 writeback:0 unstable:0
Jul 15 15:47:50 localhost kernel: [264291.543838]  slab_reclaimable:7889 slab_unreclaimable:6697
Jul 15 15:47:50 localhost kernel: [264291.543838]  mapped:3404 shmem:10684 pagetables:8376 bounce:0
Jul 15 15:47:50 localhost kernel: [264291.543838]  free:25780 free_pcp:233 free_cma:0