最近我的服务器经常宕机。几乎每天早上都会发生这种情况。
查看系统日志，我发现了很多这样的内容：
Oct 11 06:51:12 pleskvm kernel: [1895007.359087] vballoon: page allocation failure: order:0, mode:0x310da
proxmox 主机节点上的日志文件很干净。由于运行着一个网络托管平台，机器本身占用了相当多的资源，但直到最近这些故障开始发生之前，它一直运行顺利。你能告诉我处理这个问题的正确方法吗？扩展日志：
Oct 11 06:51:12 pleskvm kernel: [1895007.359087] vballoon: page allocation failure: order:0, mode:0x310da
Oct 11 06:51:12 pleskvm kernel: [1895007.359091] CPU: 1 PID: 282 Comm: vballoon Tainted: G C 3.16.0-4-amd64 #1 Debian 3.16.43-2+deb8u2
Oct 11 06:51:12 pleskvm kernel: [1895007.359093] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.3-0-ge2fc41e-prebuilt.qemu-project.org 04/01/2014
Oct 11 06:51:12 pleskvm kernel: [1895007.359094] 0000000000000000 ffffffff81514281 00000000000310da ffff880525483c80
Oct 11 06:51:12 pleskvm kernel: [1895007.359096] ffffffff81144f9f 0000000000000000 0000000000000000 0000000000000003
Oct 11 06:51:12 pleskvm kernel: [1895007.359097] 0000000000000001 ffff88053ffebc00 ffffffff8115bde2 ffffffff81147a28
Oct 11 06:51:12 pleskvm kernel: [1895007.359099] Call Trace:
Oct 11 06:51:12 pleskvm kernel: [1895007.359153] [<ffffffff81514281>] ? dump_stack+0x5d/0x78
Oct 11 06:51:12 pleskvm kernel: [1895007.359156] [<ffffffff81144f9f>] ? warn_alloc_failed+0xdf/0x130
Oct 11 06:51:12 pleskvm kernel: [1895007.359159] [<ffffffff8115bde2>] ? next_online_pgdat+0x22/0x50
Oct 11 06:51:12 pleskvm kernel: [1895007.359173] [<ffffffff81147a28>] ? drain_pages+0x28/0xa0
Oct 11 06:51:12 pleskvm kernel: [1895007.359175] [<ffffffff8114930f>] ? __alloc_pages_nodemask+0x8ef/0xb50
Oct 11 06:51:12 pleskvm kernel: [1895007.359178] [<ffffffff8118894d>] ? alloc_pages_current+0x9d/0x150
Oct 11 06:51:12 pleskvm kernel: [1895007.359180] [<ffffffff81163408>] ? balloon_page_enqueue+0x18/0x90
Oct 11 06:51:12 pleskvm kernel: [1895007.359222] [<ffffffffa02f420a>] ? fill_balloon+0xaa/0x120 [virtio_balloon]
Oct 11 06:51:12 pleskvm kernel: [1895007.359225] [<ffffffffa02f4627>] ? balloon+0xc7/0x2a0 [virtio_balloon]
Oct 11 06:51:12 pleskvm kernel: [1895007.359228] [<ffffffff810a9610>] ? prepare_to_wait_event+0xf0/0xf0
Oct 11 06:51:12 pleskvm kernel: [1895007.359244] [<ffffffffa02f4560>] ? update_balloon_stats+0xe0/0xe0 [virtio_balloon]
Oct 11 06:51:12 pleskvm kernel: [1895007.359246] [<ffffffff8108954d>] ? kthread+0xbd/0xe0
Oct 11 06:51:12 pleskvm kernel: [1895007.359248] [<ffffffff81089490>] ? kthread_create_on_node+0x180/0x180
Oct 11 06:51:12 pleskvm kernel: [1895007.359250] [<ffffffff8151a3d8>] ? ret_from_fork+0x58/0x90
Oct 11 06:51:12 pleskvm kernel: [1895007.359252] [<ffffffff81089490>] ? kthread_create_on_node+0x180/0x180
Oct 11 06:51:12 pleskvm kernel: [1895007.359266] Mem-Info:
Oct 11 06:51:12 pleskvm kernel: [1895007.359268] Node 0 DMA per-cpu:
Oct 11 06:51:12 pleskvm kernel: [1895007.359269] CPU 0: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359270] CPU 1: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359271] CPU 2: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359272] CPU 3: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359273] CPU 4: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359274] CPU 5: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359274] CPU 6: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359275] CPU 7: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359276] Node 0 DMA32 per-cpu:
Oct 11 06:51:12 pleskvm kernel: [1895007.359277] CPU 0: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359278] CPU 1: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359279] CPU 2: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359279] CPU 3: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359280] CPU 4: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359281] CPU 5: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359282] CPU 6: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359283] CPU 7: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359283] Node 0 Normal per-cpu:
Oct 11 06:51:12 pleskvm kernel: [1895007.359298] CPU 0: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359298] CPU 1: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359299] CPU 2: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359300] CPU 3: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359301] CPU 4: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359302] CPU 5: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359302] CPU 6: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359303] CPU 7: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359306] active_anon:812442 inactive_anon:82788 isolated_anon:35
Oct 11 06:51:12 pleskvm kernel: [1895007.359306] active_file:128202 inactive_file:128712 isolated_file:0
Oct 11 06:51:12 pleskvm kernel: [1895007.359306] unevictable:0 dirty:2558 writeback:238 unstable:0
Oct 11 06:51:12 pleskvm kernel: [1895007.359306] free:37909 slab_reclaimable:857614 slab_unreclaimable:37781
Oct 11 06:51:12 pleskvm kernel: [1895007.359306] mapped:38913 shmem:102203 pagetables:10808 bounce:0
Oct 11 06:51:12 pleskvm kernel: [1895007.359306] free_cma:0
Oct 11 06:51:12 pleskvm kernel: [1895007.359308] Node 0 DMA free:15908kB min:52kB low:64kB high:76kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15908kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Oct 11 06:51:12 pleskvm kernel: [1895007.359311] lowmem_reserve[]: 0 2980 20107 20107
Oct 11 06:51:12 pleskvm kernel: [1895007.359313] Node 0 DMA32 free:78220kB min:10008kB low:12508kB high:15012kB active_anon:267444kB inactive_anon:77888kB active_file:209340kB inactive_file:206156kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3129200kB managed:1437464kB mlocked:0kB dirty:4668kB writeback:192kB mapped:26648kB shmem:40348kB slab_reclaimable:556628kB slab_unreclaimable:22700kB kernel_stack:3648kB pagetables:6164kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Oct 11 06:51:12 pleskvm kernel: [1895007.359316] lowmem_reserve[]: 0 0 17126 17126
Oct 11 06:51:12 pleskvm kernel: [1895007.359318] Node 0 Normal free:57508kB min:57520kB low:71900kB high:86280kB active_anon:2982324kB inactive_anon:253264kB active_file:303468kB inactive_file:308692kB unevictable:0kB isolated(anon):140kB isolated(file):0kB present:17825792kB managed:7022764kB mlocked:40kB dirty:5564kB writeback:760kB mapped:129004kB shmem:368464kB slab_reclaimable:2873828kB slab_unreclaimable:128424kB kernel_stack:2672kB pagetables:37068kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Oct 11 06:51:12 pleskvm kernel: [1895007.359321] lowmem_reserve[]: 0 0 0 0
Oct 11 06:51:12 pleskvm kernel: [1895007.359322] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (R) 3*4096kB (M) = 15908kB
Oct 11 06:51:12 pleskvm kernel: [1895007.359329] Node 0 DMA32: 1960*4kB (UEM) 846*8kB (UEM) 455*16kB (UEM) 205*32kB (UEMR) 369*64kB (UEMR) 165*128kB (EMR) 15*256kB (MR) 2*512kB (M) 1*1024kB (R) 0*2048kB 0*4096kB = 79072kB
Oct 11 06:51:12 pleskvm kernel: [1895007.359335] Node 0 Normal: 14518*4kB (UEM) 1*8kB (M) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 58080kB
Oct 11 06:51:12 pleskvm kernel: [1895007.359341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Oct 11 06:51:12 pleskvm kernel: [1895007.359341] 495355 total pagecache pages
Oct 11 06:51:12 pleskvm kernel: [1895007.359342] 136152 pages in swap cache
Oct 11 06:51:12 pleskvm kernel: [1895007.359344] Swap cache stats: add 1364729, delete 1228577, find 69817060/70012547
Oct 11 06:51:12 pleskvm kernel: [1895007.359345] Free swap = 1666868kB
Oct 11 06:51:12 pleskvm kernel: [1895007.359345] Total swap = 3083260kB
Oct 11 06:51:12 pleskvm kernel: [1895007.359346] 5242746 pages RAM
Oct 11 06:51:12 pleskvm kernel: [1895007.359347] 0 pages HighMem/MovableOnly
Oct 11 06:51:12 pleskvm kernel: [1895007.359347] 2700757 pages reserved
Oct 11 06:51:12 pleskvm kernel: [1895007.359348] 0 pages hwpoisoned
Oct 11 06:51:12 pleskvm kernel: [1895007.359351] virtio_balloon virtio0: Out of puff! Can't get 1 pages
Oct 11 06:51:12 pleskvm kernel: [1895007.562795] vballoon: page allocation failure: order:0, mode:0x310da
Oct 11 06:51:12 pleskvm kernel: [1895007.562799] CPU: 1 PID: 282 Comm: vballoon Tainted: G C 3.16.0-4-amd64 #1 Debian 3.16.43-2+deb8u2
Oct 11 06:51:12 pleskvm kernel: [1895007.562800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.3-0-ge2fc41e-prebuilt.qemu-project.org 04/01/2014
Oct 11 06:51:12 pleskvm kernel: [1895007.562801] 0000000000000000 ffffffff81514281 00000000000310da ffff880525483c80
Oct 11 06:51:12 pleskvm kernel: [1895007.562803] ffffffff81144f9f 0000000000000000 0000000000000000 0000000000000003
Oct 11 06:51:12 pleskvm kernel: [1895007.562804] 0000000000000001 ffff88053ffebc00 ffffffff8115bde2 ffffffff81147a28
Oct 11 06:51:12 pleskvm kernel: [1895007.562805] Call Trace:
Oct 11 06:51:12 pleskvm kernel: [1895007.562809] [<ffffffff81514281>] ? dump_stack+0x5d/0x78
Oct 11 06:51:12 pleskvm kernel: [1895007.562812] [<ffffffff81144f9f>] ? warn_alloc_failed+0xdf/0x130
Oct 11 06:51:12 pleskvm kernel: [1895007.562813] [<ffffffff8115bde2>] ? next_online_pgdat+0x22/0x50
Oct 11 06:51:12 pleskvm kernel: [1895007.562815] [<ffffffff81147a28>] ? drain_pages+0x28/0xa0
Oct 11 06:51:12 pleskvm kernel: [1895007.562816] [<ffffffff8114930f>] ? __alloc_pages_nodemask+0x8ef/0xb50
Oct 11 06:51:12 pleskvm kernel: [1895007.562819] [<ffffffff8118894d>] ? alloc_pages_current+0x9d/0x150
Oct 11 06:51:12 pleskvm kernel: [1895007.562820] [<ffffffff81163408>] ? balloon_page_enqueue+0x18/0x90
Oct 11 06:51:12 pleskvm kernel: [1895007.562834] [<ffffffffa02f420a>] ? fill_balloon+0xaa/0x120 [virtio_balloon]
Oct 11 06:51:12 pleskvm kernel: [1895007.562837] [<ffffffffa02f4627>] ? balloon+0xc7/0x2a0 [virtio_balloon]
Oct 11 06:51:12 pleskvm kernel: [1895007.562839] [<ffffffff810a9610>] ? prepare_to_wait_event+0xf0/0xf0
Oct 11 06:51:12 pleskvm kernel: [1895007.562841] [<ffffffffa02f4560>] ? update_balloon_stats+0xe0/0xe0 [virtio_balloon]
Oct 11 06:51:12 pleskvm kernel: [1895007.562843] [<ffffffff8108954d>] ? kthread+0xbd/0xe0
Oct 11 06:51:12 pleskvm kernel: [1895007.562844] [<ffffffff81089490>] ? kthread_create_on_node+0x180/0x180
Oct 11 06:51:12 pleskvm kernel: [1895007.562846] [<ffffffff8151a3d8>] ? ret_from_fork+0x58/0x90
Oct 11 06:51:12 pleskvm kernel: [1895007.562847] [<ffffffff81089490>] ? kthread_create_on_node+0x180/0x180
Oct 11 06:51:12 pleskvm kernel: [1895007.562848] Mem-Info:
Oct 11 06:51:12 pleskvm kernel: [1895007.562849] Node 0 DMA per-cpu:
Oct 11 06:51:12 pleskvm kernel: [1895007.562850] CPU 0: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562851] CPU 1: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562851] CPU 2: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562852] CPU 3: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562852] CPU 4: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562853] CPU 5: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562853] CPU 6: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562854] CPU 7: hi: 0, btch: 1 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562854] Node 0 DMA32 per-cpu:
Oct 11 06:51:12 pleskvm kernel: [1895007.562855] CPU 0: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562856] CPU 1: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562856] CPU 2: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562857] CPU 3: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562857] CPU 4: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562857] CPU 5: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562858] CPU 6: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562858] CPU 7: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562859] Node 0 Normal per-cpu:
Oct 11 06:51:12 pleskvm kernel: [1895007.562859] CPU 0: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562860] CPU 1: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562860] CPU 2: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562861] CPU 3: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562861] CPU 4: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562862] CPU 5: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562863] CPU 6: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562863] CPU 7: hi: 186, btch: 31 usd: 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562865] active_anon:812515 inactive_anon:82788 isolated_anon:35
Oct 11 06:51:12 pleskvm kernel: [1895007.562865] active_file:128027 inactive_file:128588 isolated_file:0
Oct 11 06:51:12 pleskvm kernel: [1895007.562865] unevictable:0 dirty:2558 writeback:238 unstable:0
Oct 11 06:51:12 pleskvm kernel: [1895007.562865] free:37873 slab_reclaimable:857614 slab_unreclaimable:37781
Oct 11 06:51:12 pleskvm kernel: [1895007.562865] mapped:38913 shmem:102203 pagetables:10808 bounce:0
Oct 11 06:51:12 pleskvm kernel: [1895007.562865] free_cma:0
Oct 11 06:51:12 pleskvm kernel: [1895007.562866] Node 0 DMA free:15908kB min:52kB low:64kB high:76kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15908kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Oct 11 06:51:12 pleskvm kernel: [1895007.562868] lowmem_reserve[]: 0 2980 20107 20107
Oct 11 06:51:12 pleskvm kernel: [1895007.562870] Node 0 DMA32 free:78260kB min:10008kB low:12508kB high:15012kB active_anon:267444kB inactive_anon:77888kB active_file:208348kB inactive_file:206788kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3129200kB managed:1437088kB mlocked:0kB dirty:4668kB writeback:192kB mapped:26648kB shmem:40348kB slab_reclaimable:556628kB slab_unreclaimable:22700kB kernel_stack:3648kB pagetables:6164kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Oct 11 06:51:12 pleskvm kernel: [1895007.562872] lowmem_reserve[]: 0 0 17126 17126
Oct 11 06:51:12 pleskvm kernel: [1895007.562873] Node 0 Normal free:57324kB min:57520kB low:71900kB high:86280kB active_anon:2982616kB inactive_anon:253264kB active_file:303760kB inactive_file:307564kB unevictable:0kB isolated(anon):140kB isolated(file):0kB present:17825792kB managed:7021884kB mlocked:40kB dirty:5564kB writeback:760kB mapped:129004kB shmem:368464kB slab_reclaimable:2873828kB slab_unreclaimable:128424kB kernel_stack:2672kB pagetables:37068kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Oct 11 06:51:12 pleskvm kernel: [1895007.562875] lowmem_reserve[]: 0 0 0 0
Oct 11 06:51:12 pleskvm kernel: [1895007.562876] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (R) 3*4096kB (M) = 15908kB
Oct 11 06:51:12 pleskvm kernel: [1895007.562881] Node 0 DMA32: 2033*4kB (UEM) 844*8kB (UEM) 455*16kB (UEM) 200*32kB (UEMR) 369*64kB (UEMR) 165*128kB (EMR) 15*256kB (MR) 2*512kB (M) 1*1024kB (R) 0*2048kB 0*4096kB = 79188kB
Oct 11 06:51:12 pleskvm kernel: [1895007.562886] Node 0 Normal: 14592*4kB (UE) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 58368kB
Oct 11 06:51:12 pleskvm kernel: [1895007.562889] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Oct 11 06:51:12 pleskvm kernel: [1895007.562890] 495028 total pagecache pages
Oct 11 06:51:12 pleskvm kernel: [1895007.562891] 136154 pages in swap cache
Oct 11 06:51:12 pleskvm kernel: [1895007.562892] Swap cache stats: add 1364731, delete 1228577, find 69817060/70012548
Oct 11 06:51:12 pleskvm kernel: [1895007.562892] Free swap = 1666868kB
Oct 11 06:51:12 pleskvm kernel: [1895007.562893] Total swap = 3083260kB
Oct 11 06:51:12 pleskvm kernel: [1895007.562893] 5242746 pages RAM
Oct 11 06:51:12 pleskvm kernel: [1895007.562894] 0 pages HighMem/MovableOnly
Oct 11 06:51:12 pleskvm kernel: [1895007.562894] 2700977 pages reserved
Oct 11 06:51:12 pleskvm kernel: [1895007.562895] 0 pages hwpoisoned
Oct 11 06:51:12 pleskvm kernel: [1895007.562897] virtio_balloon virtio0: Out of puff! Can't get 1 pages
Oct 11 06:51:12 pleskvm kernel: [1895007.767216] vballoon: page allocation failure: order:0, mode:0x310da
Oct 11 06:51:12 pleskvm kernel: [1895007.767220] CPU: 1 PID: 282 Comm: vballoon Tainted: G C 3.16.0-4-amd64 #1 Debian 3.16.43-2+deb8u2
Oct 11 06:51:12 pleskvm kernel: [1895007.767221] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.3-0-ge2fc41e-prebuilt.qemu-project.org 04/01/2014
Oct 11 06:51:12 pleskvm kernel: [1895007.767222] 0000000000000000 ffffffff81514281 00000000000310da ffff880525483c80
Oct 11 06:51:12 pleskvm kernel: [1895007.767224] ffffffff81144f9f 0000000000000000 0000000000000000 0000000000000003
Oct 11 06:51:12 pleskvm kernel: [1895007.767225] 0000000000000001 ffff88053ffebc00 ffffffff8115bde2 ffffffff81147a28
Oct 11 06:51:12 pleskvm kernel: [1895007.767226] Call Trace:
Oct 11 06:51:12 pleskvm kernel: [1895007.767230] [<ffffffff81514281>] ? dump_stack+0x5d/0x78
Oct 11 06:51:12 pleskvm kernel: [1895007.767233] [<ffffffff81144f9f>] ? warn_alloc_failed+0xdf/0x130
Oct 11 06:51:12 pleskvm kernel: [1895007.767235] [<ffffffff8115bde2>] ? next_online_pgdat+0x22/0x50
Oct 11 06:51:12 pleskvm kernel: [1895007.767236] [<ffffffff81147a28>] ? drain_pages+0x28/0xa0
Oct 11 06:51:12 pleskvm kernel: [1895007.767237] [<ffffffff8114930f>] ? __alloc_pages_nodemask+0x8ef/0xb50
Oct 11 06:51:12 pleskvm kernel: [1895007.767240] [<ffffffff8118894d>] ? alloc_pages_current+0x9d/0x150
Oct 11 06:51:13 pleskvm kernel: [1895007.767242] [<ffffffff81163408>] ? balloon_page_enqueue+0x18/0x90
Oct 11 06:51:13 pleskvm kernel: [1895007.767255] [<ffffffffa02f420a>] ? fill_balloon+0xaa/0x120 [virtio_balloon]
Oct 11 06:51:13 pleskvm kernel: [1895007.767257] [<ffffffffa02f4627>] ? balloon+0xc7/0x2a0 [virtio_balloon]
Oct 11 06:51:13 pleskvm kernel: [1895007.767260] [<ffffffff810a9610>] ? prepare_to_wait_event+0xf0/0xf0
Oct 11 06:51:13 pleskvm kernel: [1895007.767262] [<ffffffffa02f4560>] ? update_balloon_stats+0xe0/0xe0 [virtio_balloon]
Oct 11 06:51:13 pleskvm kernel: [1895007.767264] [<ffffffff8108954d>] ? kthread+0xbd/0xe0
Oct 11 06:51:13 pleskvm kernel: [1895007.767265] [<ffffffff81089490>] ? kthread_create_on_node+0x180/0x180
Oct 11 06:51:13 pleskvm kernel: [1895007.767267] [<ffffffff8151a3d8>] ? ret_from_fork+0x58/0x90
Oct 11 06:51:13 pleskvm kernel: [1895007.767269] [<ffffffff81089490>] ? kthread_create_on_node+0x180/0x180
Oct 11 06:51:13 pleskvm kernel: [1895007.767270] Mem-Info:
Oct 11 06:51:13 pleskvm kernel: [1895007.767270] Node 0 DMA per-cpu:
Oct 11 06:51:13 pleskvm kernel: [1895007.767272] CPU 0: hi: 0, btch: 1 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767272] CPU 1: hi: 0, btch: 1 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767273] CPU 2: hi: 0, btch: 1 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767273] CPU 3: hi: 0, btch: 1 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767274] CPU 4: hi: 0, btch: 1 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767274] CPU 5: hi: 0, btch: 1 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767275] CPU 6: hi: 0, btch: 1 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767275] CPU 7: hi: 0, btch: 1 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767275] Node 0 DMA32 per-cpu:
Oct 11 06:51:13 pleskvm kernel: [1895007.767276] CPU 0: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767277] CPU 1: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767277] CPU 2: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767278] CPU 3: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767278] CPU 4: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767279] CPU 5: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767279] CPU 6: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767280] CPU 7: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767294] Node 0 Normal per-cpu:
Oct 11 06:51:13 pleskvm kernel: [1895007.767294] CPU 0: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767295] CPU 1: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767295] CPU 2: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767296] CPU 3: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767296] CPU 4: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767297] CPU 5: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767297] CPU 6: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767298] CPU 7: hi: 186, btch: 31 usd: 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767299] active_anon:812515 inactive_anon:82788 isolated_anon:35
Oct 11 06:51:13 pleskvm kernel: [1895007.767299] active_file:127687 inactive_file:128518 isolated_file:0
Oct 11 06:51:13 pleskvm kernel: [1895007.767299] unevictable:0 dirty:2558 writeback:238 unstable:0
Oct 11 06:51:13 pleskvm kernel: [1895007.767299] free:37921 slab_reclaimable:857614 slab_unreclaimable:37781
Oct 11 06:51:13 pleskvm kernel: [1895007.767299] mapped:38913 shmem:102203 pagetables:10808 bounce:0
Oct 11 06:51:13 pleskvm kernel: [1895007.767299] free_cma:0
Oct 11 06:51:13 pleskvm kernel: [1895007.767301] Node 0 DMA free:15908kB min:52kB low:64kB high:76kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15908kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Oct 11 06:51:13 pleskvm kernel: [1895007.767303] lowmem_reserve[]: 0 2980 20107 20107
Oct 11 06:51:13 pleskvm kernel: [1895007.767304] Node 0 DMA32 free:78296kB min:10008kB low:12508kB high:15012kB active_anon:267444kB inactive_anon:77888kB active_file:206988kB inactive_file:207104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3129200kB managed:1436088kB mlocked:0kB dirty:4668kB writeback:192kB mapped:26648kB shmem:40348kB slab_reclaimable:556628kB slab_unreclaimable:22700kB kernel_stack:3648kB pagetables:6164kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Oct 11 06:51:13 pleskvm kernel: [1895007.767307] lowmem_reserve[]: 0 0 17126 17126
Oct 11 06:51:13 pleskvm kernel: [1895007.767308] Node 0 Normal free:57480kB min:57520kB low:71900kB high:86280kB active_anon:2982616kB inactive_anon:253264kB active_file:303760kB inactive_file:306968kB unevictable:0kB isolated(anon):140kB isolated(file):0kB present:17825792kB managed:7020756kB mlocked:40kB dirty:5564kB writeback:760kB mapped:129004kB shmem:368464kB slab_reclaimable:2873828kB slab_unreclaimable:128424kB kernel_stack:2672kB pagetables:37068kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Oct 11 06:51:13 pleskvm kernel: [1895007.767310] lowmem_reserve[]: 0 0 0 0
Oct 11 06:51:13 pleskvm kernel: [1895007.767311] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (R) 3*4096kB (M) = 15908kB
Oct 11 06:51:13 pleskvm kernel: [1895007.767316] Node 0 DMA32: 2015*4kB (UEM) 863*8kB (UEM) 455*16kB (UEM) 199*32kB (UEMR) 369*64kB (UEMR) 165*128kB (EMR) 15*256kB (MR) 2*512kB (M) 1*1024kB (R) 0*2048kB 0*4096kB = 79236kB
Oct 11 06:51:13 pleskvm kernel: [1895007.767320] Node 0 Normal: 14659*4kB (UE) 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 58636kB
Oct 11 06:51:13 pleskvm kernel: [1895007.767324] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Oct 11 06:51:13 pleskvm kernel: [1895007.767324] 494792 total pagecache pages
Oct 11 06:51:13 pleskvm kernel: [1895007.767325] 136155 pages in swap cache
Oct 11 06:51:13 pleskvm kernel: [1895007.767326] Swap cache stats: add 1364732, delete 1228577, find 69817060/70012549
Oct 11 06:51:13 pleskvm kernel: [1895007.767327] Free swap = 1666868kB
Oct 11 06:51:13 pleskvm kernel: [1895007.767327] Total swap = 3083260kB
Oct 11 06:51:13 pleskvm kernel: [1895007.767328] 5242746 pages RAM
Oct 11 06:51:13 pleskvm kernel: [1895007.767328] 0 pages HighMem/MovableOnly
Oct 11 06:51:13 pleskvm kernel: [1895007.767329] 2701259 pages reserved
Oct 11 06:51:13 pleskvm kernel: [1895007.767329] 0 pages hwpoisoned
Oct 11 06:51:13 pleskvm kernel: [1895007.767331] virtio_balloon virtio0: Out of puff! Can't get 1 pages