BUG: unable to handle kernel paging request at 000000000149445c IP: [] poll_freewait+0x60/0xb0 PGD 0 Oops: 0000 [#1] SMP Modules linked in: bnep rfcomm bluetooth 6lowpan_iphc kvm_amd kvm snd_hda_codec_realtek radeon snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_controller crct10dif_pclmul snd_hda_codec crc32_pclmul snd_hwdep ghash_clmulni_intel snd_pcm aesni_intel snd_seq_midi aes_x86_64 snd_seq_midi_event lrw snd_rawmidi gf128mul glue_helper snd_seq ttm ablk_helper snd_seq_device drm_kms_helper cryptd snd_timer drm serio_raw snd i2c_algo_bit k10temp shpchp soundcore i2c_piix4 nuvoton_cir rc_core mac_hid binfmt_misc parport_pc ppdev lp parport pata_acpi hid_generic usbhid hid firewire_ohci firewire_core crc_itu_t pata_atiixp ahci r8169 ohci_pci libahci mii CPU: 3 PID: 1367 Comm: Xorg Not tainted 3.16.0-7-generic #12-Ubuntu Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./FM2A55M-VG3, BIOS P1.60 07/11/2013 task: ffff880114c98a20 ti: ffff8800b32dc000 task.ti: ffff8800b32dc000 RIP: 0010:[] [] poll_freewait+0x60/0xb0 RSP: 0018:ffff8800b32df9d0 EFLAGS: 00010202 RAX: 0000000000000023 RBX: 0000000001494454 RCX: ffff88011ed97b80 RDX: ffffea000202d020 RSI: ffffea00027b40e0 RDI: 0000000000000286 RBP: ffff8800b32df9f0 R08: 0000000000000001 R09: 0000000000000286 R10: 0000000000000000 R11: 0000000000000304 R12: ffff880080b40010 R13: 0000000001494454 R14: ffff8800b32dfaf0 R15: 000000000000002f FS: 00007f1e1efcc9c0(0000) GS:ffff88011ed80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 000000000149445c CR3: 00000000b8303000 CR4: 00000000000407e0 Stack: 00007bffffff0c2a 0000000000000040 000000000000002f 0000800000000000 ffff8800b32dfd88 ffffffff811f4dbe 00000018000000c0 ffff8800b32dffd8 0000000000000000 ffff8800b32dff30 0000000005f5e100 ffff8800b32dfdc0 Call Trace: [] do_select+0x70e/0x7c0 [] ? poll_select_copy_remaining+0x130/0x130 [] ? poll_select_copy_remaining+0x130/0x130 [] ? poll_select_copy_remaining+0x130/0x130 [] ? poll_select_copy_remaining+0x130/0x130 [] ? poll_select_copy_remaining+0x130/0x130 [] ? poll_select_copy_remaining+0x130/0x130 [] ? poll_select_copy_remaining+0x130/0x130 [] ? poll_select_copy_remaining+0x130/0x130 [] ? poll_select_copy_remaining+0x130/0x130 [] core_sys_select+0x1c7/0x2f0 [] ? fsnotify+0x27c/0x350 [] ? do_readv_writev+0x16d/0x240 [] ? radeon_drm_ioctl+0x71/0x80 [radeon] [] ? read_tsc+0x9/0x20 [] ? ktime_get_ts+0x48/0xf0 [] SyS_select+0xab/0x100 [] system_call_fastpath+0x1a/0x1f Code: e3 06 4c 01 f3 48 8b 7b 68 48 c1 e6 06 4c 01 f6 e8 06 4b ec ff 48 8b 7b 30 e8 dd cc fe ff 45 39 66 28 7f cf 4d 85 ed 74 48 66 90 <49> 8b 5d 08 4d 8d 65 10 0f 1f 84 00 00 00 00 00 48 83 eb 40 48 RIP [] poll_freewait+0x60/0xb0 RSP CR2: 000000000149445c ---[ end trace c0161ccb255cb406 ]---