Kernel: INFO: task jbd2/vda1-8:345 blocked for more than 120 seconds

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Tengo un grabe problema en mi vps revisando fichero de /var/log/messages me aparece este error he estado buscando información pero no puedo resolver, alguien puuede decirme porque esta pasando esto? se lo agradeceria 😛8: gracias

PHP: 
Jan  2 05:10:46 vps223609 kernel: INFO: task mysqld:5912 blocked for more than 120 seconds.
Jan  2 05:10:46 vps kernel:      Not tainted 2.6.32-573.12.1.el6.x86_64 #1
Jan  2 05:10:46 vps kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan  2 05:10:47 vps kernel: mysqld        D 0000000000000000     0  5912   5787 0x00000080
Jan  2 05:10:47 vps kernel: ffff88022c837dc8 0000000000000086 ffff88022c837e70 0000000000000001
Jan  2 05:10:47 vps kernel: 000000000000000e ffff88022c837de8 ffff88022c837d88 ffffffff81126ff0
Jan  2 05:10:47 vps kernel: ffff88022d779220 ffff88022c837de8 ffff88022c82fad8 ffff88022c837fd8
Jan  2 05:10:47 vps kernel: Call Trace:
Jan  2 05:10:47 vps kernel: [<ffffffff81126ff0>] ? find_get_pages_tag+0x40/0x130
Jan  2 05:10:47 vps kernel: [<ffffffff810a178e>] ? prepare_to_wait+0x4e/0x80
Jan  2 05:10:47 vps kernel: [<ffffffffa006d595>] jbd2_log_wait_commit+0xc5/0x140 [jbd2]
Jan  2 05:10:47 vps kernel: [<ffffffff810a1460>] ? autoremove_wake_function+0x0/0x40
Jan  2 05:10:47 vps kernel: [<ffffffffa006d928>] jbd2_complete_transaction+0x68/0xb0 [jbd2]
Jan  2 05:10:47 vps kernel: [<ffffffffa0089061>] ext4_sync_file+0x121/0x1d0 [ext4]
Jan  2 05:10:47 vps kernel: [<ffffffff811c48b1>] vfs_fsync_range+0xa1/0x100
Jan  2 05:10:47 vps kernel: [<ffffffff811c497d>] vfs_fsync+0x1d/0x20
Jan  2 05:10:47 vps kernel: [<ffffffff811c49be>] do_fsync+0x3e/0x60
Jan  2 05:10:47 vps kernel: [<ffffffff811c4a10>] sys_fsync+0x10/0x20
Jan  2 05:10:47 vps kernel: [<ffffffff8100b0d2>] system_call_fastpath+0x16/0x1b
Jan  2 05:12:47 vps kernel: INFO: task jbd2/vda1-8:311 blocked for more than 120 seconds.
Jan  2 05:12:47 vps kernel:      Not tainted 2.6.32-573.12.1.el6.x86_64 #1
Jan  2 05:12:47 vps kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan  2 05:12:47 vps kernel: jbd2/vda1-8   D 0000000000000001     0   311      2 0x00000000
Jan  2 05:12:47 vps kernel: ffff88022b217c20 0000000000000046 ffff8802ffffffff 000163cafe6a4bc0
Jan  2 05:12:47 vps kernel: ffff88022b217b80 ffff88022bb7e830 000000000b57736c ffffffffa97aa0c1
Jan  2 05:12:47 vps kernel: 000000001a3046b3 ffffffff81aa6700 ffff88022b02bad8 ffff88022b217fd8
Jan  2 05:12:47 vps kernel: Call Trace:
Jan  2 05:12:47 vps kernel: [<ffffffff811c8fc0>] ? sync_buffer+0x0/0x50
Jan  2 05:12:47 vps kernel: [<ffffffff81539123>] io_schedule+0x73/0xc0
Jan  2 05:12:47 vps kernel: [<ffffffff811c9000>] sync_buffer+0x40/0x50
Jan  2 05:12:47 vps kernel: [<ffffffff81539bef>] __wait_on_bit+0x5f/0x90
Jan  2 05:12:47 vps kernel: [<ffffffff811c8fc0>] ? sync_buffer+0x0/0x50
Jan  2 05:12:47 vps kernel: [<ffffffff81539c98>] out_of_line_wait_on_bit+0x78/0x90
Jan  2 05:12:47 vps kernel: [<ffffffff810a14e0>] ? wake_bit_function+0x0/0x50
Jan  2 05:12:47 vps kernel: [<ffffffff811c8fb6>] __wait_on_buffer+0x26/0x30
Jan  2 05:12:47 vps kernel: [<ffffffffa00687ea>] jbd2_journal_commit_transaction+0x117a/0x14f0 [jbd2]
Jan  2 05:12:47 vps kernel: [<ffffffff8108a6cb>] ? try_to_del_timer_sync+0x7b/0xe0
Jan  2 05:12:47 vps kernel: [<ffffffffa006da38>] kjournald2+0xb8/0x220 [jbd2]
Jan  2 05:12:47 vps kernel: [<ffffffff810a1460>] ? autoremove_wake_function+0x0/0x40
Jan  2 05:12:47 vps kernel: [<ffffffffa006d980>] ? kjournald2+0x0/0x220 [jbd2]
Jan  2 05:12:47 vps kernel: [<ffffffff810a0fce>] kthread+0x9e/0xc0
Jan  2 05:12:47 vps kernel: [<ffffffff8100c28a>] child_rip+0xa/0x20
Jan  2 05:12:47 vps kernel: [<ffffffff810a0f30>] ? kthread+0x0/0xc0
Jan  2 05:12:47 vps kernel: [<ffffffff8100c280>] ? child_rip+0x0/0x20
Jan  2 05:12:47 vps kernel: INFO: task flush-252:0:534 blocked for more than 120 seconds.
Jan  2 05:12:47 vps kernel:      Not tainted 2.6.32-573.12.1.el6.x86_64 #1
Jan  2 05:12:47 vps kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan  2 05:12:47 vps kernel: flush-252:0   D 0000000000000000     0   534      2 0x00000000
Jan  2 05:12:47 vps kernel: ffff88022ba9b280 0000000000000046 0000000000000000 000163f8ce7463de
Jan  2 05:12:47 vps kernel: 0000001000000000 ffff88022b8e01a0 00007317ec1945f6 ffffffffa97aa0c1
Jan  2 05:12:47 vps kernel: 000000001a3046b3 0000000107865e29 ffff88022bbc25f8 ffff88022ba9bfd8
Jan  2 05:12:47 vps kernel: Call Trace:
Jan  2 05:12:47 vps kernel: [<ffffffff811c8fc0>] ? sync_buffer+0x0/0x50
Jan  2 05:12:47 vps kernel: [<ffffffff81539123>] io_schedule+0x73/0xc0
Jan  2 05:12:47 vps kernel: [<ffffffff811c9000>] sync_buffer+0x40/0x50
Jan  2 05:12:47 vps kernel: [<ffffffff81539bef>] __wait_on_bit+0x5f/0x90
Jan  2 05:12:47 vps kernel: [<ffffffff811c8fc0>] ? sync_buffer+0x0/0x50
Jan  2 05:12:47 vps kernel: [<ffffffff81539c98>] out_of_line_wait_on_bit+0x78/0x90
Jan  2 05:12:47 vps kernel: [<ffffffff810a14e0>] ? wake_bit_function+0x0/0x50
Jan  2 05:12:47 vps kernel: [<ffffffff811c8fb6>] __wait_on_buffer+0x26/0x30
Jan  2 05:12:47 vps kernel: [<ffffffffa00b9844>] ext4_mb_init_cache+0x234/0x9f0 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffffa00ba11e>] ext4_mb_init_group+0x11e/0x210 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffffa00ba675>] ext4_mb_load_buddy+0x355/0x390 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffffa00bb41d>] ext4_mb_find_by_goal+0x6d/0x2e0 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffff81274cb0>] ? generic_make_request+0x240/0x5a0
Jan  2 05:12:47 vps kernel: [<ffffffffa00bb8b9>] ext4_mb_regular_allocator+0x59/0x410 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffffa00a5e48>] ? __ext4_journal_stop+0x68/0xa0 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffffa00b6a80>] ? ext4_mb_normalize_request+0x2d0/0x480 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffffa00bd9b5>] ext4_mb_new_blocks+0x405/0x5c0 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffffa00b2853>] ext4_ext_get_blocks+0x553/0x14d0 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffff812952e6>] ? __prop_inc_single+0x46/0x60
Jan  2 05:12:47 vps kernel: [<ffffffff8113cc3d>] ? __set_page_dirty_nobuffers+0xdd/0x160
Jan  2 05:12:47 vps kernel: [<ffffffffa008fbd9>] ext4_get_blocks+0xf9/0x2b0 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffffa0094291>] mpage_da_map_and_submit+0xa1/0x470 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffff81296705>] ? radix_tree_gang_lookup_tag_slot+0x95/0xe0
Jan  2 05:12:47 vps kernel: [<ffffffff81126ff0>] ? find_get_pages_tag+0x40/0x130
Jan  2 05:12:47 vps kernel: [<ffffffffa00946cd>] mpage_add_bh_to_extent+0x6d/0xf0 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffffa0094a1f>] write_cache_pages_da+0x2cf/0x470 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffffa0094e92>] ext4_da_writepages+0x2d2/0x620 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffff8113c961>] do_writepages+0x21/0x40
Jan  2 05:12:47 vps kernel: [<ffffffff811bedfd>] writeback_single_inode+0xdd/0x290
Jan  2 05:12:47 vps kernel: [<ffffffff811bf1fd>] writeback_sb_inodes+0xbd/0x170
Jan  2 05:12:47 vps kernel: [<ffffffff811bf35b>] writeback_inodes_wb+0xab/0x1b0
Jan  2 05:12:47 vps kernel: [<ffffffff811bf753>] wb_writeback+0x2f3/0x410
Jan  2 05:12:47 vps kernel: [<ffffffff8108a752>] ? del_timer_sync+0x22/0x30
Jan  2 05:12:47 vps kernel: [<ffffffff811bfa15>] wb_do_writeback+0x1a5/0x240
Jan  2 05:12:47 vps kernel: [<ffffffff811bfb13>] bdi_writeback_task+0x63/0x1b0
Jan  2 05:12:47 vps kernel: [<ffffffff810a12e7>] ? bit_waitqueue+0x17/0xd0
Jan  2 05:12:47 vps kernel: [<ffffffff8114b760>] ? bdi_start_fn+0x0/0x100
Jan  2 05:12:47 vps kernel: [<ffffffff8114b7e6>] bdi_start_fn+0x86/0x100
Jan  2 05:12:47 vps kernel: [<ffffffff8114b760>] ? bdi_start_fn+0x0/0x100
Jan  2 05:12:47 vps kernel: [<ffffffff810a0fce>] kthread+0x9e/0xc0
Jan  2 05:12:47 vps kernel: [<ffffffff8100c28a>] child_rip+0xa/0x20
Jan  2 05:12:47 vps kernel: [<ffffffff810a0f30>] ? kthread+0x0/0xc0
Jan  2 05:12:47 vps kernel: [<ffffffff8100c280>] ? child_rip+0x0/0x20
Jan  2 05:12:47 vps kernel: INFO: task mysqld:5912 blocked for more than 120 seconds.
Jan  2 05:12:47 vps kernel:      Not tainted 2.6.32-573.12.1.el6.x86_64 #1
Jan  2 05:12:47 vps kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan  2 05:12:47 vps kernel: mysqld        D 0000000000000000     0  5912   5787 0x00000080
Jan  2 05:12:47 vps kernel: ffff88022c837dc8 0000000000000086 ffff88022c837e70 0000000000000001
Jan  2 05:12:47 vps kernel: 000000000000000e ffff88022c837de8 ffff88022c837d88 ffffffff81126ff0
Jan  2 05:12:47 vps kernel: ffff88022d779220 ffff88022c837de8 ffff88022c82fad8 ffff88022c837fd8
Jan  2 05:12:47 vps kernel: Call Trace:
Jan  2 05:12:47 vps kernel: [<ffffffff81126ff0>] ? find_get_pages_tag+0x40/0x130
Jan  2 05:12:47 vps kernel: [<ffffffff810a178e>] ? prepare_to_wait+0x4e/0x80
Jan  2 05:12:47 vps kernel: [<ffffffffa006d595>] jbd2_log_wait_commit+0xc5/0x140 [jbd2]
Jan  2 05:12:47 vps kernel: [<ffffffff810a1460>] ? autoremove_wake_function+0x0/0x40
Jan  2 05:12:47 vps kernel: [<ffffffffa006d928>] jbd2_complete_transaction+0x68/0xb0 [jbd2]
Jan  2 05:12:47 vps kernel: [<ffffffffa0089061>] ext4_sync_file+0x121/0x1d0 [ext4]
Jan  2 05:12:47 vps kernel: [<ffffffff811c48b1>] vfs_fsync_range+0xa1/0x100
Jan  2 05:12:47 vps kernel: [<ffffffff811c497d>] vfs_fsync+0x1d/0x20
Jan  2 05:12:47 vps kernel: [<ffffffff811c49be>] do_fsync+0x3e/0x60
Jan  2 05:12:47 vps kernel: [<ffffffff811c4a10>] sys_fsync+0x10/0x20
Jan  2 05:12:47 vps kernel: [<ffffffff8100b0d2>] system_call_fastpath+0x16/0x1b
Jan  2 05:13:30 vps kernel: mysqld invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
Jan  2 05:13:30 vps kernel: mysqld cpuset=/ mems_allowed=0
Jan  2 05:13:30 vps kernel: Pid: 22476, comm: mysqld Not tainted 2.6.32-573.12.1.el6.x86_64 #1
Jan  2 05:13:30 vps kernel: Call Trace:
Jan  2 05:13:30 vps kernel: [<ffffffff810d6d71>] ? cpuset_print_task_mems_allowed+0x91/0xb0
Jan  2 05:13:30 vps kernel: [<ffffffff8112a570>] ? dump_header+0x90/0x1b0
Jan  2 05:13:30 vps kernel: [<ffffffff81232ffc>] ? security_real_capable_noaudit+0x3c/0x70
Jan  2 05:13:30 vps kernel: [<ffffffff8112a9f2>] ? oom_kill_process+0x82/0x2a0
Jan  2 05:13:30 vps kernel: [<ffffffff8112a931>] ? select_bad_process+0xe1/0x120
Jan  2 05:13:30 vps kernel: [<ffffffff8112ae30>] ? out_of_memory+0x220/0x3c0
Jan  2 05:13:30 vps kernel: [<ffffffff8113780c>] ? __alloc_pages_nodemask+0x93c/0x950
Jan  2 05:13:30 vps kernel: [<ffffffffa0090560>] ? ext4_get_block+0x0/0x120 [ext4]
Jan  2 05:13:30 vps kernel: [<ffffffff8117035a>] ? alloc_pages_current+0xaa/0x110
Jan  2 05:13:30 vps kernel: [<ffffffff81127967>] ? __page_cache_alloc+0x87/0x90
Jan  2 05:13:30 vps kernel: [<ffffffff8112734e>] ? find_get_page+0x1e/0xa0
Jan  2 05:13:30 vps kernel: [<ffffffff81128907>] ? filemap_fault+0x1a7/0x500
Jan  2 05:13:30 vps kernel: [<ffffffff81151ee4>] ? __do_fault+0x54/0x530
Jan  2 05:13:30 vps kernel: [<ffffffff811524b7>] ? handle_pte_fault+0xf7/0xb20
Jan  2 05:13:30 vps kernel: [<ffffffff811290a0>] ? generic_file_aio_read+0x380/0x700
Jan  2 05:13:30 vps kernel: [<ffffffff81153179>] ? handle_mm_fault+0x299/0x3d0
Jan  2 05:13:30 vps kernel: [<ffffffff8104f156>] ? __do_page_fault+0x146/0x500
Jan  2 05:13:30 vps kernel: [<ffffffff81197614>] ? cp_new_stat+0xe4/0x100
Jan  2 05:13:30 vps kernel: [<ffffffff8153ef3e>] ? do_page_fault+0x3e/0xa0
Jan  2 05:13:30 vps kernel: [<ffffffff8153c2e5>] ? page_fault+0x25/0x30
Jan  2 05:13:30 vps kernel: Mem-Info:
Jan  2 05:13:30 vps kernel: Node 0 DMA per-cpu:
Jan  2 05:13:30 vps kernel: CPU    0: hi:    0, btch:   1 usd:   0
Jan  2 05:13:30 vps kernel: CPU    1: hi:    0, btch:   1 usd:   0
Jan  2 05:13:30 vps kernel: CPU    2: hi:    0, btch:   1 usd:   0
Jan  2 05:13:30 vps kernel: CPU    3: hi:    0, btch:   1 usd:   0
Jan  2 05:13:30 vps kernel: Node 0 DMA32 per-cpu:
Jan  2 05:13:30 vps kernel: CPU    0: hi:  186, btch:  31 usd:   0
Jan  2 05:13:30 vps kernel: CPU    1: hi:  186, btch:  31 usd:   0
Jan  2 05:13:30 vps kernel: CPU    2: hi:  186, btch:  31 usd:   0
Jan  2 05:13:30 vps kernel: CPU    3: hi:  186, btch:  31 usd:   0
Jan  2 05:13:30 vps kernel: Node 0 Normal per-cpu:
Jan  2 05:13:30 vps kernel: CPU    0: hi:  186, btch:  31 usd:  22
Jan  2 05:13:30 vps kernel: CPU    1: hi:  186, btch:  31 usd:  59
Jan  2 05:13:30 vps kernel: CPU    2: hi:  186, btch:  31 usd:  30
Jan  2 05:13:30 vps kernel: CPU    3: hi:  186, btch:  31 usd:  12
Jan  2 05:13:30 vps kernel: active_anon:1640643 inactive_anon:151483 isolated_anon:0
Jan  2 05:13:30 vps kernel: active_file:394 inactive_file:603 isolated_file:32
Jan  2 05:13:30 vps kernel: unevictable:0 dirty:28 writeback:47 unstable:0
Jan  2 05:13:30 vps kernel: free:25626 slab_reclaimable:6078 slab_unreclaimable:32390
Jan  2 05:13:30 vps kernel: mapped:140994 shmem:159622 pagetables:85644 bounce:0
Jan  2 05:13:30 vps kernel: Node 0 DMA free:15748kB min:128kB low:160kB high:192kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15360kB 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 writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Jan  2 05:13:30 vps kernel: lowmem_reserve[]: 0 3000 7860 7860
Jan  2 05:13:30 vps kernel: Node 0 DMA32 free:45148kB min:25744kB low:32180kB high:38616kB active_anon:2572564kB inactive_anon:148480kB active_file:68kB inactive_file:160kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3072216kB mlocked:0kB dirty:4kB writeback:16kB mapped:148480kB shmem:148480kB slab_reclaimable:488kB slab_unreclaimable:6176kB kernel_stack:960kB pagetables:26192kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:352 all_unreclaimable? yes
Jan  2 05:13:30 vps kernel: lowmem_reserve[]: 0 0 4860 4860
Jan  2 05:13:30 vps kernel: Node 0 Normal free:41608kB min:41708kB low:52132kB high:62560kB active_anon:3990008kB inactive_anon:457452kB active_file:1508kB inactive_file:2252kB unevictable:0kB isolated(anon):0kB isolated(file):128kB present:4977280kB mlocked:0kB dirty:108kB writeback:172kB mapped:415496kB shmem:490008kB slab_reclaimable:23824kB slab_unreclaimable:123384kB kernel_stack:14432kB pagetables:316384kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:5312 all_unreclaimable? yes
Jan  2 05:13:30 vps kernel: lowmem_reserve[]: 0 0 0 0
Jan  2 05:13:30 vps kernel: Node 0 DMA: 3*4kB 1*8kB 1*16kB 1*32kB 1*64kB 0*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 3*4096kB = 15748kB
Jan  2 05:13:30 vps kernel: Node 0 DMA32: 208*4kB 29*8kB 19*16kB 8*32kB 6*64kB 9*128kB 1*256kB 2*512kB 2*1024kB 3*2048kB 8*4096kB = 45400kB
Jan  2 05:13:30 vps kernel: Node 0 Normal: 1655*4kB 1090*8kB 598*16kB 236*32kB 77*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 1*4096kB = 41484kB
Jan  2 05:13:30 vps kernel: 160770 total pagecache pages
Jan  2 05:13:30 vps kernel: 0 pages in swap cache
Jan  2 05:13:30 vps kernel: Swap cache stats: add 0, delete 0, find 0/0
Jan  2 05:13:30 vps kernel: Free swap  = 0kB
Jan  2 05:13:30 vps kernel: Total swap = 0kB
Jan  2 05:13:30 vps kernel: 2047999 pages RAM
Jan  2 05:13:30 vps kernel: 81813 pages reserved
Jan  2 05:13:30 vps kernel: 1612848 pages shared
Jan  2 05:13:30 vps kernel: 1786084 pages non-shared
Jan  2 05:13:30 vps kernel: [ pid ]   uid  tgid total_vm      rss cpu oom_adj oom_score_adj name
Jan  2 05:13:30 vps kernel: [  389]     0   389     2721      190   1     -17         -1000 udevd
Jan  2 05:13:30 vps kernel: [  649]     0   649     2720      191   1     -17         -1000 udevd
Jan  2 05:13:30 vps kernel: [ 1502]     0  1502     2280      160   0       0             0 dhclient
Jan  2 05:13:30 vps kernel: [ 1556]     0  1556     6899      107   0     -17         -1000 auditd
Jan  2 05:13:30 vps kernel: [ 1590]     0  1590    62272      202   1       0             0 rsyslogd
Jan  2 05:13:30 vps kernel: [ 1612]    81  1612     5358      100   3       0             0 dbus-daemon
Jan  2 05:13:30 vps kernel: [ 1643]     0  1643     1020       69   0       0             0 acpid
Jan  2 05:13:30 vps kernel: [ 5534]     0  5534    16556      214   0     -17         -1000 sshd
Jan  2 05:13:30 vps kernel: [ 5545]     0  5545     5429      106   0       0             0 xinetd
Jan  2 05:13:30 vps kernel: [ 5556]     0  5556     1017       60   1       0             0 courierlogger
Jan  2 05:13:30 vps kernel: [ 5557]     0  5557     7461      141   3       0             0 authdaemond
Jan  2 05:13:30 vps kernel: [ 5567]     0  5567     1017       52   0       0             0 courierlogger
Jan  2 05:13:30 vps kernel: [ 5568]     0  5568     2977       76   0       0             0 couriertcpd
Jan  2 05:13:30 vps kernel: [ 5573]     0  5573     7461       98   2       0             0 authdaemond
Jan  2 05:13:30 vps kernel: [ 5574]     0  5574     7461       98   2       0             0 authdaemond
Jan  2 05:13:30 vps kernel: [ 5575]     0  5575     7461       98   1       0             0 authdaemond
Jan  2 05:13:30 vps kernel: [ 5576]     0  5576     7461       98   0       0             0 authdaemond
Jan  2 05:13:30 vps kernel: [ 5577]     0  5577     7461       98   0       0             0 authdaemond
Jan  2 05:13:30 vps kernel: [ 5583]     0  5583     1017       52   2       0             0 courierlogger
Jan  2 05:13:30 vps kernel: [ 5584]     0  5584     2977       77   0       0             0 couriertcpd
Jan  2 05:13:30 vps kernel: [ 5593]     0  5593     1017       60   0       0             0 courierlogger
Jan  2 05:13:30 vps kernel: [ 5594]     0  5594     2977       76   0       0             0 couriertcpd
Jan  2 05:13:30 vps kernel: [ 5604]     0  5604     1017       59   0       0             0 courierlogger
Jan  2 05:13:30 vps kernel: [ 5605]     0  5605     2977       76   0       0             0 couriertcpd
Jan  2 05:13:30 vps kernel: [ 5616]    89  5616    35567      610   2       0             0 psa-pc-remote
Jan  2 05:13:30 vps kernel: [ 5633]     0  5633   121185     1945   2       0             0 php-fpm
Jan  2 05:13:30 vps kernel: [ 5644]     0  5644    85197     3902   3       0             0 httpd
Jan  2 05:13:30 vps kernel: [ 5650]     0  5650    60746     2440   3       0             0 httpd
Jan  2 05:13:30 vps kernel: [ 5787]     0  5787    27042      113   2       0             0 mysqld_safe
Jan  2 05:13:30 vps kernel: [ 5892]    27  5892   562995    30676   0       0             0 mysqld
Jan  2 05:13:30 vps kernel: [ 5996]     0  5996    89171     2267   3       0             0 sw-engine-fpm
Jan  2 05:13:30 vps kernel: [ 6058]     0  6058    12597      391   1       0             0 sw-cp-serverd
Jan  2 05:13:30 vps kernel: [ 6059]   497  6059    12874      622   0       0             0 sw-cp-serverd
Jan  2 05:13:30 vps kernel: [ 6281]    25  6281    59481     2981   2       0             0 named
Jan  2 05:13:30 vps kernel: [ 6476]     0  6476    14458      234   0       0             0 master
Jan  2 05:13:30 vps kernel: [ 6478]    89  6478    14534      248   1       0             0 qmgr
Jan  2 05:13:30 vps kernel: [ 6703]     0  6703    16856      613   1       0             0 nginx
Jan  2 05:13:30 vps kernel: [ 6704]   494  6704    17815     1758   0       0             0 nginx
Jan  2 05:13:30 vps kernel: [ 6705]   494  6705    17665     1586   3       0             0 nginx
Jan  2 05:13:30 vps kernel: [ 6706]   494  6706    17781     1714   2       0             0 nginx
Jan  2 05:13:30 vps kernel: [ 6707]   494  6707    17703     1636   0       0             0 nginx
Jan  2 05:13:30 vps kernel: [ 6719]     0  6719    29215      193   2       0             0 crond
Jan  2 05:13:30 vps kernel: [ 6736]     0  6736   805494     7629   2       0             0 fail2ban-server
Jan  2 05:13:30 vps kernel: [ 6742]     0  6742     3518      214   2       0             0 gam_server
Jan  2 05:13:30 vps kernel: [ 6757] 10000  6757    58960    13530   1       0             0 php-cgi
Jan  2 05:13:30 vps kernel: [ 7504]     0  7504     5276       71   0       0             0 atd
Jan  2 05:13:30 vps kernel: [ 7518]     0  7518     1016       56   0       0             0 mingetty
Jan  2 05:13:30 vps kernel: [ 7519]     0  7519     1020       64   0       0             0 agetty
Jan  2 05:13:30 vps kernel: [23330]    89 23330    14487      230   0       0             0 tlsmgr
Jan  2 05:13:30 vps kernel: [24298] 10000 24298    57676    12239   0       0             0 php-cgi

Jan  2 05:13:30 vps kernel: Out of memory: Kill process 5892 (mysqld) score 15 or sacrifice child
Jan  2 05:13:30 vps kernel: Killed process 5892, UID 27, (mysqld) total-vm:2251980kB, anon-rss:122424kB, file-rss:292kB
Jan  2 05:13:30 vps kernel: php-cgi invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
Jan  2 05:13:30 vps kernel: php-cgi cpuset=/ mems_allowed=0
Jan  2 05:13:30 vps kernel: Pid: 22333, comm: php-cgi Not tainted 2.6.32-573.12.1.el6.x86_64 #1
Jan  2 05:13:30 vps kernel: Call Trace:
Jan  2 05:13:30 vps kernel: [<ffffffff810d6d71>] ? cpuset_print_task_mems_allowed+0x91/0xb0
Jan  2 05:13:30 vps kernel: [<ffffffff8112a570>] ? dump_header+0x90/0x1b0
Jan  2 05:13:30 vps kernel: [<ffffffff81232ffc>] ? security_real_capable_noaudit+0x3c/0x70
Jan  2 05:13:30 vps kernel: [<ffffffff8112a9f2>] ? oom_kill_process+0x82/0x2a0
Jan  2 05:13:30 vps kernel: [<ffffffff8112a931>] ? select_bad_process+0xe1/0x120
Jan  2 05:13:30 vps kernel: [<ffffffff8112ae30>] ? out_of_memory+0x220/0x3c0
Jan  2 05:13:30 vps kernel: [<ffffffff8113780c>] ? __alloc_pages_nodemask+0x93c/0x950
Jan  2 05:13:30 vps kernel: [<ffffffff8117035a>] ? alloc_pages_current+0xaa/0x110
Jan  2 05:13:30 vps kernel: [<ffffffff8117035a>] ? alloc_pages_current+0xaa/0x110
Jan  2 05:13:30 vps kernel: [<ffffffff81127967>] ? __page_cache_alloc+0x87/0x90
Jan  2 05:13:30 vps kernel: [<ffffffff8112734e>] ? find_get_page+0x1e/0xa0
Jan  2 05:13:30 vps kernel: [<ffffffff81128907>] ? filemap_fault+0x1a7/0x500
Jan  2 05:13:30 vps kernel: [<ffffffff81151ee4>] ? __do_fault+0x54/0x530
Jan  2 05:13:30 vps kernel: [<ffffffff811524b7>] ? handle_pte_fault+0xf7/0xb20
Jan  2 05:13:30 vps kernel: [<ffffffff811b4820>] ? mntput_no_expire+0x30/0x110
Jan  2 05:13:30 vps kernel: [<ffffffff8129fefc>] ? __bitmap_weight+0x8c/0xb0
Jan  2 05:13:30 vps kernel: [<ffffffff81184517>] ? mem_cgroup_update_file_mapped+0x17/0x90
Jan  2 05:13:30 vps kernel: [<ffffffff8115bb4a>] ? page_remove_rmap+0x7a/0xa0
Jan  2 05:13:30 vps kernel: [<ffffffff81153179>] ? handle_mm_fault+0x299/0x3d0
Jan  2 05:13:30 vps kernel: [<ffffffff8104f156>] ? __do_page_fault+0x146/0x500
Jan  2 05:13:30 vps kernel: [<ffffffff811b4820>] ? mntput_no_expire+0x30/0x110
Jan  2 05:13:30 vps kernel: [<ffffffff81193611>] ? __fput+0x1a1/0x210
Jan  2 05:13:30 vps kernel: [<ffffffff8153ef3e>] ? do_page_fault+0x3e/0xa0
Jan  2 05:13:30 vps kernel: [<ffffffff8153c2e5>] ? page_fault+0x25/0x30
Jan  2 05:13:30 vps kernel: Mem-Info:
Jan  2 05:13:30 vps kernel: Node 0 DMA per-cpu:
Jan  2 05:13:30 vps kernel: CPU    0: hi:    0, btch:   1 usd:   0
Jan  2 05:13:30 vps kernel: CPU    1: hi:    0, btch:   1 usd:   0
Jan  2 05:13:30 vps kernel: CPU    2: hi:    0, btch:   1 usd:   0
Jan  2 05:13:30 vps kernel: CPU    3: hi:    0, btch:   1 usd:   0
Jan  2 05:13:30 vps kernel: Node 0 DMA32 per-cpu:
Jan  2 05:13:30 vps kernel: CPU    0: hi:  186, btch:  31 usd:   0
Jan  2 05:13:30 vps kernel: CPU    1: hi:  186, btch:  31 usd:   0
Jan  2 05:13:30 vps kernel: CPU    2: hi:  186, btch:  31 usd:   0
Jan  2 05:13:30 vps kernel: CPU    3: hi:  186, btch:  31 usd:   0
Jan  2 05:13:30 vps kernel: Node 0 Normal per-cpu:
Jan  2 05:13:30 vps kernel: CPU    0: hi:  186, btch:  31 usd:  14
Jan  2 05:13:30 vps kernel: CPU    1: hi:  186, btch:  31 usd:  28
Jan  2 05:13:30 vps kernel: CPU    2: hi:  186, btch:  31 usd:   0
Jan  2 05:13:30 vps kernel: CPU    3: hi:  186, btch:  31 usd:  12
Jan  2 05:13:30 vps kernel: active_anon:1640833 inactive_anon:151558 isolated_anon:0
Jan  2 05:13:30 vps kernel: active_file:426 inactive_file:446 isolated_file:0
Jan  2 05:13:30 vps kernel: unevictable:0 dirty:17 writeback:52 unstable:0
Jan  2 05:13:30 vps kernel: free:25729 slab_reclaimable:5947 slab_unreclaimable:32445
Jan  2 05:13:30 vps kernel: mapped:140975 shmem:159711 pagetables:85669 bounce:0
Jan  2 05:13:30 vps kernel: Node 0 DMA free:15748kB min:128kB low:160kB high:192kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15360kB 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 writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Jan  2 05:13:30 vps kernel: lowmem_reserve[]: 0 3000 7860 7860
Jan  2 05:13:30 vps kernel: Node 0 DMA32 free:45148kB min:25744kB low:32180kB high:38616kB active_anon:2572872kB inactive_anon:148604kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3072216kB mlocked:0kB dirty:4kB writeback:16kB mapped:148604kB shmem:148604kB slab_reclaimable:484kB slab_unreclaimable:6176kB kernel_stack:960kB pagetables:26192kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Jan  2 05:13:30 vps kernel: lowmem_reserve[]: 0 0 4860 4860
Jan  2 05:13:30 vps kernel: Node 0 Normal free:42020kB min:41708kB low:52132kB high:62560kB active_anon:3990460kB inactive_anon:457628kB active_file:1700kB inactive_file:1936kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4977280kB mlocked:0kB dirty:64kB writeback:192kB mapped:415296kB shmem:490240kB slab_reclaimable:23304kB slab_unreclaimable:123604kB kernel_stack:14464kB pagetables:316484kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:224 all_unreclaimable? no
Jan  2 05:13:30 vps kernel: lowmem_reserve[]: 0 0 0 0
Jan  2 05:13:30 vps kernel: Node 0 DMA: 3*4kB 1*8kB 1*16kB 1*32kB 1*64kB 0*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 3*4096kB = 15748kB
Jan  2 05:13:30 vps kernel: Node 0 DMA32: 200*4kB 29*8kB 25*16kB 8*32kB 6*64kB 9*128kB 1*256kB 2*512kB 2*1024kB 3*2048kB 8*4096kB = 45464kB
Jan  2 05:13:30 vps kernel: Node 0 Normal: 1701*4kB 1126*8kB 627*16kB 235*32kB 76*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 1*4096kB = 42324kB
Jan  2 05:13:30 vps kernel: 160733 total pagecache pages
Jan  2 05:13:30 vps kernel: 0 pages in swap cache
Jan  2 05:13:30 vps kernel: Swap cache stats: add 0, delete 0, find 0/0
Jan  2 05:13:30 vps kernel: Free swap  = 0kB
Jan  2 05:13:30 vps kernel: Total swap = 0kB
Jan  2 05:13:30 vps kernel: 2047999 pages RAM
Jan  2 05:13:30 vps kernel: 81813 pages reserved
Jan  2 05:13:30 vps kernel: 1613013 pages shared
Jan  2 05:13:30 vps kernel: 1786063 pages non-shared
 
Hola Sulator,

que es lo que te ocurre en el vps?, comentas que es grave pero no das más información aparte de lo que te aparece en los logs.

Para poder ayudarte explica mejor que es lo que no te funciona.
 
Bueno lo que ocurre el servidor, se dispara de alto consumo de cpu y memoria y queda inestable unos minutos. después vuelve a la normalidad cada vez que ocurre aparece este tipo de message ya indicado en el log.
 
Parece un kernel panic, yo creo que tu nodo se queda sin memoria pero abría que investigar.

un saludo.
 
Efectivamente es un aviso de saturación y un informe de pánico que provee el sistema, esto suele suceder cuando el sysctl.conf está mal configurado y principalmente cuando tienes un firewall mal configurado por igual.

Al menos las dos razones iniciales que te comenté es por lo más común que puedes visualizar este mensaje, cosas menos comunes son alto consumo de CPU, alto consumo de memoria entre otros recursos del servidor cosa que puede afectar o si tu proveedor es overselling no cabe la más mínima idea que si tu servidor no presenta altos consumos se pueda deber a causa de esto.

Te recomiendo reconfigurar el firewall, el apache, el mysql, hacer revisión al sysctl.conf y hacer una revisión al security/limits.conf.
 
SrMendez dijo:
Efectivamente es un aviso de saturación y un informe de pánico que provee el sistema, esto suele suceder cuando el sysctl.conf está mal configurado y principalmente cuando tienes un firewall mal configurado por igual.

Al menos las dos razones iniciales que te comenté es por lo más común que puedes visualizar este mensaje, cosas menos comunes son alto consumo de CPU, alto consumo de memoria entre otros recursos del servidor cosa que puede afectar o si tu proveedor es overselling no cabe la más mínima idea que si tu servidor no presenta altos consumos se pueda deber a causa de esto.

Te recomiendo reconfigurar el firewall, el apache, el mysql, hacer revisión al sysctl.conf y hacer una revisión al security/limits.conf.
Hacer clic para expandir...

Hola SrMendez,

Efectivamente revisando el firewall había un jail de fail2ban mal configurado, era el causante del problema es por ello que saturaba todo el servidor y lo dejaba sin recursos gracias por tu respuesta me fue de gran ayuda 🙂

Un saludo
 
sulator dijo:
Efectivamente revisando el firewall había un jail de fail2ban mal configurado, era el causante del problema es por ello que saturaba todo el servidor
Hacer clic para expandir...

Excelente si ya lo arreglaste!

Lo importante aquí es aprender también a interpretar los mensajes que nos da el kernel, en este caso había una evidente falta de memoria, y por eso algunos procesos como mysql decían esto:

Insertar CODE, HTML o PHP: 
Jan  2 05:13:30 vps kernel: mysqld invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0

Es decir, el kernel (a través de la función oom-killer) de tu server estaba matando los procesos MySQL al llegar al límite de memoria.

Un saludo,
 
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