[14:06:35] root@web-36:~#  web-36 kernel: [  850.192958] Oops: 0011 [#1] SMP 
 web-36 kernel: [  850.193004] Process php (pid: 4963, ti=de8ba000 task=df4dc270 task.ti=de8ba000)
 web-36 kernel: [  850.193006] Stack: c01624e5 00000000 c03ff800 de8bbd20 00000003 0000000a de8bbcfc c0162596 
 web-36 kernel: [  850.193017]        c1b15f60 c151b4b8 c03ff800 0000000e c0165ab7 0000000e 00000000 0000000a 
 web-36 kernel: [  850.193028]        00000000 c1c4d0a0 c198d580 c198f620 c1cc97c0 c1b19440 c1b17680 c1b17800 
 web-36 kernel: [  850.193039] Call Trace:
 web-36 kernel: [  850.193042]  [<c01624e5>] free_hot_cold_page+0x195/0x220
 web-36 kernel: [  850.193052]  [<c0162596>] __pagevec_free+0x26/0x30
 web-36 kernel: [  850.193058]  [<c0165ab7>] release_pages+0x137/0x160
 web-36 kernel: [  850.193063]  [<c017aaa4>] free_pages_and_swap_cache+0x74/0xa0
 web-36 kernel: [  850.193069]  [<c0173b47>] exit_mmap+0xe7/0x100
 web-36 kernel: [  850.193075]  [<c01243a3>] mmput+0x23/0x80
 web-36 kernel: [  850.193081]  [<c018a940>] flush_old_exec+0x5b0/0x720
 web-36 kernel: [  850.193087]  [<c0189ced>] kernel_read+0x3d/0x60
 web-36 kernel: [  850.193091]  [<c01b5a79>] load_elf_binary+0x309/0x1c80
 web-36 kernel: [  850.193097]  [<c0178d0d>] anon_vma_prepare+0x1d/0xe0
 web-36 kernel: [  850.193102]  [<c015d1c0>] file_read_actor+0x0/0x100
 web-36 kernel: [  850.193108]  [<c016cefa>] follow_page+0x28a/0x460
 web-36 kernel: [  850.193113]  [<c01721f6>] get_user_pages+0x166/0x560
 web-36 kernel: [  850.193118]  [<c018979b>] get_arg_page+0x4b/0xb0
 web-36 kernel: [  850.193122]  [<c01b5770>] load_elf_binary+0x0/0x1c80
 web-36 kernel: [  850.193126]  [<c0189a6a>] search_binary_handler+0x9a/0x1e0
 web-36 kernel: [  850.193131]  [<c018b8b6>] do_execve+0x1a6/0x1d0
 web-36 kernel: [  850.193136]  [<c0103a3f>] sys_execve+0x2f/0x80
 web-36 kernel: [  850.193140]  [<c0105832>] syscall_call+0x7/0xb
 web-36 kernel: [  850.193145]  =======================
 web-36 kernel: [  850.193147] Code: 99 b1 c1 00 01 10 00 00 02 20 00 00 00 00 40 01 00 00 00 ff ff ff ff 00 00 00 00 00 00 00 00 e0 ad 98 c1 00 01 10 00 00 02 20 00 <00> 20 00 40 01 00 00 00 ff ff ff ff 14 49 b1 c1 00 00 00 00 00 
 web-36 kernel: [  850.193207] EIP: [<c1b19960>] 0xc1b19960 SS:ESP 0069:de8bbcc0
 web-36 kernel: [  850.199507] Oops: 0011 [#2] SMP 
 web-36 kernel: [  850.199551] Process mkdir (pid: 4966, ti=de8ea000 task=ed4db7b0 task.ti=de8ea000)
 web-36 kernel: [  850.199553] Stack: c01624e5 00000000 c03ff800 de8ebee0 00000001 00000003 de8ebed0 c0162596 
 web-36 kernel: [  850.199564]        c1c7e120 c151b3ac 00000003 00000003 c0165ab7 00000003 00000000 00000003 
 web-36 kernel: [  850.199575]        00000000 c1b149c0 c1b15f60 c1c7e120 c1c5e520 c1c68060 c1c68020 c0000000 
 web-36 kernel: [  850.199586] Call Trace:
 web-36 kernel: [  850.199589]  [<c01624e5>] free_hot_cold_page+0x195/0x220
 web-36 kernel: [  850.199597]  [<c0162596>] __pagevec_free+0x26/0x30
 web-36 kernel: [  850.199602]  [<c0165ab7>] release_pages+0x137/0x160
 web-36 kernel: [  850.199607]  [<c017aaa4>] free_pages_and_swap_cache+0x74/0xa0
 web-36 kernel: [  850.199612]  [<c0173b47>] exit_mmap+0xe7/0x100
 web-36 kernel: [  850.199617]  [<c01243a3>] mmput+0x23/0x80
 web-36 kernel: [  850.199622]  [<c0129e73>] do_exit+0x173/0x8a0
 web-36 kernel: [  850.199627]  [<c0183b29>] filp_close+0x49/0x80
 web-36 kernel: [  850.199631]  [<c012a5ca>] do_group_exit+0x2a/0xa0
 web-36 kernel: [  850.199636]  [<c0105832>] syscall_call+0x7/0xb
 web-36 kernel: [  850.199641]  =======================
 web-36 kernel: [  850.199643] Code: 79 b1 c1 00 01 10 00 00 02 20 00 00 00 00 40 01 00 00 00 ff ff ff ff 00 00 00 00 00 00 00 00 b8 01 00 00 00 01 10 00 00 02 20 00 <00> 00 00 40 00 00 00 00 ff ff ff ff 34 e1 c7 c1 00 00 00 00 c0 
 web-36 kernel: [  850.199705] EIP: [<c1b19160>] 0xc1b19160 SS:ESP 0069:de8ebe94