Hi

I am experiencing at one of our compute node hypervisor. kernel version we are using is 4.4.0-83, but seems to be having the issue reported in this report.



[Mon Aug  7 00:19:42 2017] nova-compute invoked oom-killer: gfp_mask=0x2c200ca, order=0, oom_score_adj=0
[Mon Aug  7 00:19:42 2017] nova-compute cpuset=/ mems_allowed=0-1
[Mon Aug  7 00:19:42 2017] CPU: 7 PID: 2164484 Comm: nova-compute Tainted: G           OE   4.4.0-83-generic #106-Ubuntu
[Mon Aug  7 00:19:42 2017] Hardware name: Dell Inc. PowerEdge R730/072T6D, BIOS 2.4.3 01/17/2017
[Mon Aug  7 00:19:42 2017]  0000000000000286 00000000d6004dce ffff88014e753a50 ffffffff813f9513
[Mon Aug  7 00:19:42 2017]  ffff88014e753c08 ffff883fecf88e00 ffff88014e753ac0 ffffffff8120b53e
[Mon Aug  7 00:19:42 2017]  0000000000000015 0000000000000000 ffff881fe883b740 ffff883fe94f7000
[Mon Aug  7 00:19:42 2017] Call Trace:
[Mon Aug  7 00:19:42 2017]  [<ffffffff813f9513>] dump_stack+0x63/0x90
[Mon Aug  7 00:19:42 2017]  [<ffffffff81391c64>] ? apparmor_capable+0xc4/0x1b0
[Mon Aug  7 00:19:42 2017]  [<ffffffff81192ae2>] oom_kill_process+0x202/0x3c0
[Mon Aug  7 00:19:42 2017]  [<ffffffff81192f09>] out_of_memory+0x219/0x460
[Mon Aug  7 00:19:42 2017]  [<ffffffff81198ef8>] __alloc_pages_slowpath.constprop.88+0x938/0xad0
[Mon Aug  7 00:19:42 2017]  [<ffffffff81199316>] __alloc_pages_nodemask+0x286/0x2a0
[Mon Aug  7 00:19:42 2017]  [<ffffffff811e467d>] alloc_pages_vma+0xad/0x250
[Mon Aug  7 00:19:42 2017]  [<ffffffff811fad53>] do_huge_pmd_wp_page+0x153/0xb70
[Mon Aug  7 00:19:42 2017]  [<ffffffff811c1a5f>] handle_mm_fault+0x90f/0x1820
[Mon Aug  7 00:19:42 2017]  [<ffffffff8106b802>] ? do_page_fault+0x22/0x30
[Mon Aug  7 00:19:42 2017]  [<ffffffff81842cf8>] ? page_fault+0x28/0x30
[Mon Aug  7 00:19:42 2017]  [<ffffffff8106b577>] __do_page_fault+0x197/0x400
[Mon Aug  7 00:19:42 2017]  [<ffffffff8106b802>] do_page_fault+0x22/0x30
[Mon Aug  7 00:19:42 2017]  [<ffffffff81842cf8>] page_fault+0x28/0x30
[Mon Aug  7 00:19:42 2017] Mem-Info:
[Mon Aug  7 00:19:42 2017] active_anon:61350709 inactive_anon:2118817 isolated_anon:0
                            active_file:0 inactive_file:0 isolated_file:32
                            unevictable:915 dirty:0 writeback:8 unstable:0
                            slab_reclaimable:14082 slab_unreclaimable:64456
                            mapped:3492 shmem:329012 pagetables:142167 bounce:0
                            free:260204 free_pcp:4111 free_cma:0


[Tue Aug  8 05:50:08 2017] apt-check invoked oom-killer: gfp_mask=0x24201ca, order=0, oom_score_adj=0
[Tue Aug  8 05:50:08 2017] apt-check cpuset=/ mems_allowed=0-1
[Tue Aug  8 05:50:08 2017] CPU: 11 PID: 2538289 Comm: apt-check Tainted: G           OE   4.4.0-83-generic #106-Ubuntu
[Tue Aug  8 05:50:08 2017] Hardware name: Dell Inc. PowerEdge R730/072T6D, BIOS 2.4.3 01/17/2017
[Tue Aug  8 05:50:08 2017]  0000000000000286 000000005e467cc9 ffff8820b44a39f8 ffffffff813f9513
[Tue Aug  8 05:50:08 2017]  ffff8820b44a3bb0 ffff881fec15b800 ffff8820b44a3a68 ffffffff8120b53e
[Tue Aug  8 05:50:08 2017]  0000000000000015 ffffffff81e42ac0 ffff883fe996f980 ffffffffffffff04
[Tue Aug  8 05:50:08 2017] Call Trace:
[Tue Aug  8 05:50:08 2017]  [<ffffffff813f9513>] dump_stack+0x63/0x90
[Tue Aug  8 05:50:08 2017]  [<ffffffff8134544d>] ? cap_capable+0xd/0x70
[Tue Aug  8 05:50:08 2017]  [<ffffffff81192ae2>] oom_kill_process+0x202/0x3c0
[Tue Aug  8 05:50:08 2017]  [<ffffffff81192f09>] out_of_memory+0x219/0x460
[Tue Aug  8 05:50:08 2017]  [<ffffffff81198ef8>] __alloc_pages_slowpath.constprop.88+0x938/0xad0
[Tue Aug  8 05:50:08 2017]  [<ffffffff81199316>] __alloc_pages_nodemask+0x286/0x2a0
[Tue Aug  8 05:50:08 2017]  [<ffffffff811e2e3c>] alloc_pages_current+0x8c/0x110
[Tue Aug  8 05:50:08 2017]  [<ffffffff8118f0ab>] __page_cache_alloc+0xab/0xc0
[Tue Aug  8 05:50:08 2017]  [<ffffffff811915ba>] filemap_fault+0x14a/0x3f0
[Tue Aug  8 05:50:08 2017]  [<ffffffff812a3506>] ext4_filemap_fault+0x36/0x50
[Tue Aug  8 05:50:08 2017]  [<ffffffff811be5d0>] __do_fault+0x50/0xe0
[Tue Aug  8 05:50:08 2017]  [<ffffffff811c20f2>] handle_mm_fault+0xfa2/0x1820
[Tue Aug  8 05:50:08 2017]  [<ffffffff8106b577>] __do_page_fault+0x197/0x400
[Tue Aug  8 05:50:08 2017]  [<ffffffff8106b802>] do_page_fault+0x22/0x30
[Tue Aug  8 05:50:08 2017]  [<ffffffff81842cf8>] page_fault+0x28/0x30
[Tue Aug  8 05:50:08 2017] Mem-Info:
[Tue Aug  8 05:50:08 2017] active_anon:61377850 inactive_anon:2049156 isolated_anon:0
                            active_file:0 inactive_file:0 isolated_file:0
                            unevictable:915 dirty:0 writeback:0 unstable:0
                            slab_reclaimable:15329 slab_unreclaimable:101408
                            mapped:3655 shmem:338468 pagetables:141874 bounce:0
                            free:260450 free_pcp:2714 free_cma:0


Linux rcgpudc1rh31-02 4.4.0-83-generic #106-Ubuntu SMP Mon Jun 26 17:54:43 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux