Oops your kernel is panic everyday and your RAM don’t support ECC? So its time to change your server RAM and check for errors.
Aug 13 15:51:29 hst-169-212 kernel: swap_free: Bad swap offset entry 80000000
Aug 13 15:51:29 hst-169-212 kernel: BUG: Bad page map in process httpd pte:10000000000 pmd:2df7a1067
Aug 13 15:51:29 hst-169-212 kernel: addr:00007f549842f000 vm_flags:08000070 anon_vma:(null) mapping:ffff8804162fcde0 index:89
Aug 13 15:51:29 hst-169-212 kernel: vma->vm_ops->fault: filemap_fault+0x0/0x500
Aug 13 15:51:29 hst-169-212 kernel: vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x60 [ext4]
Aug 13 15:51:29 hst-169-212 kernel: Pid: 22657, comm: httpd Tainted: G B ————— 2.6.32-358.14.1.el6.x86_64 #1
Aug 13 15:51:29 hst-169-212 kernel: Call Trace:
Aug 13 15:51:29 hst-169-212 kernel: [<ffffffff8113eda8>] ? print_bad_pte+0x1d8/0x290
Aug 13 15:51:29 hst-169-212 kernel: [<ffffffff811555ef>] ? swap_info_get+0xbf/0xe0
Aug 13 15:51:29 hst-169-212 kernel: [<ffffffff81141614>] ? unmap_vmas+0x604/0xc30
Aug 13 15:51:29 hst-169-212 kernel: [<ffffffff81147567>] ? exit_mmap+0x87/0x170
Aug 13 15:51:29 hst-169-212 kernel: [<ffffffff8106b42c>] ? mmput+0x6c/0x120
Aug 13 15:51:29 hst-169-212 kernel: [<ffffffff8107304b>] ? exit_mm+0x12b/0x180
Aug 13 15:51:29 hst-169-212 kernel: [<ffffffff810733ff>] ? do_exit+0x15f/0x870
Aug 13 15:51:29 hst-169-212 kernel: [<ffffffff811474be>] ? remove_vma+0x6e/0x90
Aug 13 15:51:29 hst-169-212 kernel: [<ffffffff81073b68>] ? do_group_exit+0x58/0xd0
Aug 13 15:51:29 hst-169-212 kernel: [<ffffffff81073bf7>] ? sys_exit_group+0x17/0x20
Aug 13 15:51:29 hst-169-212 kernel: [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b