[ 27.966339] systemd-logind[2710]: New session c1 of user ubuntu. [ 28.020167] systemd-logind[2710]: New session c2 of user ubuntu. [ 28.094822] systemd-logind[2710]: New session c3 of user ubuntu. [ 28.163903] systemd-logind[2710]: New session c4 of user ubuntu. [ 28.189178] systemd-logind[2710]: New session c5 of user ubuntu. [ 28.358461] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 [ 28.358525] IP: [] fb_release+0x26/0x60 [ 28.358566] PGD 0 [ 28.358586] Oops: 0000 [#1] SMP [ 28.358617] Modules linked in: snd_hda_codec_hdmi btusb dm_crypt arc4 brcmsmac cordic brcmutil b43 mac80211 intel_powerclamp cfg80211 coretemp snd_hda_codec_realtek snd_hda_codec_generic ssb kvm_intel acer_wmi kvm sparse_keymap snd_hda_intel uvcvideo snd_hda_controller videobuf2_vmalloc videobuf2_memops snd_hda_codec videobuf2_core crct10dif_pclmul crc32_pclmul v4l2_common snd_hwdep snd_pcm videodev ghash_clmulni_intel aesni_intel media dm_multipath snd_seq_midi snd_seq_midi_event aes_x86_64 scsi_dh snd_rawmidi lrw snd_seq gf128mul snd_seq_device glue_helper snd_timer joydev mei_me ablk_helper cryptd bcma snd mei serio_raw lpc_ich parport_pc rfcomm intel_ips shpchp soundcore bnep ppdev bluetooth lp mac_hid parport squashfs overlay nls_iso8859_1 dm_mirror dm_region_hash dm_log uas usb_storage radeon [ 28.359294] i915 ttm i2c_algo_bit drm_kms_helper psmouse ahci drm libahci atl1c wmi video [ 28.359381] CPU: 2 PID: 227 Comm: plymouthd Tainted: G W 3.18.0-9-generic #10-Ubuntu [ 28.359427] Hardware name: Acer /JM41_CP, BIOS V1.25 03/16/2011 [ 28.359428] task: ffff8801308b9e00 ti: ffff88013016c000 task.ti: ffff88013016c000 [ 28.359431] RIP: 0010:[] [] fb_release+0x26/0x60 [ 28.359432] RSP: 0018:ffff88013016fe08 EFLAGS: 00010296 [ 28.359433] RAX: 0000000000000000 RBX: ffff88007f328800 RCX: 0000000000000001 [ 28.359434] RDX: 0000000080000000 RSI: ffff88007f7a9300 RDI: ffff88007f328810 [ 28.359434] RBP: ffff88013016fe18 R08: 0000000000000000 R09: 0000000000000000 [ 28.359435] R10: ffff8800ae53e278 R11: ffff88007f7a9310 R12: ffff88007f328810 [ 28.359435] R13: ffff8800ae53e278 R14: ffff8801309da2a0 R15: ffff8800ae8c6c00 [ 28.359436] FS: 00007f5f44b97740(0000) GS:ffff880137c80000(0000) knlGS:0000000000000000 [ 28.359438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.359439] CR2: 0000000000000010 CR3: 0000000001c13000 CR4: 00000000000007e0 [ 28.359441] Stack: [ 28.359443] ffff88007f7a9300 0000000000000008 ffff88013016fe68 ffffffff811f5304 [ 28.359444] ffff8800ae53e278 ffff88007f7a9310 ffff88013016fe58 0000000000000000 [ 28.359446] ffffffff81edc2a0 ffff8801308ba528 ffff8801308b9e00 ffff8801309e3f60 [ 28.359446] Call Trace: [ 28.359452] [] __fput+0xe4/0x240 [ 28.359454] [] ____fput+0xe/0x10 [ 28.359459] [] task_work_run+0xd4/0xf0 [ 28.359462] [] do_exit+0x388/0xac0 [ 28.359464] [] do_group_exit+0x47/0xc0 [ 28.359466] [] SyS_exit_group+0x14/0x20 [ 28.359471] [] system_call_fastpath+0x16/0x1b [ 28.359488] Code: c3 0f 1f 40 00 66 66 66 66 90 55 48 89 e5 41 54 53 48 8b 9e d0 00 00 00 4c 8d 63 10 4c 89 e7 e8 c1 23 38 00 48 8b 83 e8 03 00 00 <48> 8b 50 10 48 85 d2 74 11 be 01 00 00 00 48 89 df ff d2 48 8b [ 28.359490] RIP [] fb_release+0x26/0x60 [ 28.359490] RSP [ 28.359491] CR2: 0000000000000010 [ 28.359493] ---[ end trace cb54cf2d9f5beb95 ]--- [ 28.359495] Fixing recursive fault but reboot is needed! [ 28.566997] systemd-logind[2710]: New session c6 of user ubuntu. [ 29.485864] systemd-logind[2710]: New session c7 of user ubuntu. [ 42.172685] systemd-logind[2710]: Removed session c7. [ 47.312133] snd_hda_intel 0000:01:00.1: Disabling via VGA-switcheroo [ 48.365593] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 48.366813] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 48.368008] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 48.369181] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 48.370328] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 49.207243] [drm] PCIE GART of 1024M enabled (table at 0x000000000025E000). [ 49.208542] radeon 0000:01:00.0: WB enabled [ 49.209661] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff8800a9489c00 [ 49.210824] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff8800a9489c0c [ 49.212786] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x000000000005c418 and cpu addr 0xffffc9001aa1c418 [ 49.230472] [drm] ring test on 0 succeeded in 1 usecs [ 49.231693] [drm] ring test on 3 succeeded in 2 usecs [ 49.419364] [drm] ring test on 5 succeeded in 1 usecs [ 49.420618] [drm] UVD initialized successfully. [ 49.421863] [drm] ib test on ring 0 succeeded in 0 usecs [ 49.423118] [drm] ib test on ring 3 succeeded in 0 usecs [ 50.091520] [drm] ib test on ring 5 succeeded [ 50.111765] snd_hda_intel 0000:01:00.1: Enabling via VGA-switcheroo [ 50.113046] snd_hda_intel 0000:01:00.1: irq 31 for MSI/MSI-X [ 50.132614] [drm] radeon atom LVDS backlight unloaded [ 50.134403] [drm] radeon: finishing device. [ 50.143864] [TTM] Finalizing pool allocator [ 50.144981] [TTM] Finalizing DMA pool allocator [ 50.146108] [TTM] Zone kernel: Used memory at exit: 0 kiB [ 50.147217] [drm] radeon: ttm finalized [ 50.148359] vga_switcheroo: disabled [ 50.149870] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=none,decodes=io+mem:owns=io+mem [ 50.175489] pci_bus 0000:01: busn_res: [bus 01] is released [ 50.195805] pci_bus 0000:04: Allocating resources [ 50.197073] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 50.198130] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 50.199088] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 50.200069] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 50.201045] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 50.202333] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 50.203311] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 50.204318] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 50.205325] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 50.206309] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 50.207325] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 50.208335] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 50.209357] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 50.210388] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 50.211409] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 50.212519] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 50.213575] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 50.213579] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 50.213585] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 50.213589] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 50.213611] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 50.213614] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 50.213617] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 50.213622] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 50.213626] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 50.213804] pci_bus 0000:02: Allocating resources [ 50.213844] pci_bus 0000:03: Allocating resources [ 50.213857] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 50.213859] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 50.213862] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 50.213867] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 50.213871] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 50.214060] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 50.214064] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 50.214067] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 50.214072] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 50.214076] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 50.214249] [Firmware Bug]: Duplicate ACPI video bus devices for the same VGA controller, please try module parameter "video.allow_duplicates=1"if the current driver doesn't work. [ 50.214271] pci 0000:00:01.0: [8086:0045] type 01 class 0x060400 [ 50.214328] pci 0000:00:01.0: PME# supported from D0 D3hot D3cold [ 50.214648] pci 0000:01:00.0: [1002:68c1] type 00 class 0x030000 [ 50.214669] pci 0000:01:00.0: reg 0x10: [mem 0xe0000000-0xe7ffffff 64bit pref] [ 50.214683] pci 0000:01:00.0: reg 0x18: [mem 0xdc400000-0xdc41ffff 64bit] [ 50.214691] pci 0000:01:00.0: reg 0x20: [io 0x5000-0x50ff] [ 50.214706] pci 0000:01:00.0: reg 0x30: [mem 0xfffe0000-0xffffffff pref] [ 50.214748] pci 0000:01:00.0: supports D1 D2 [ 50.214815] vgaarb: device added: PCI:0000:01:00.0,decodes=io+mem,owns=none,locks=none [ 50.214818] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=none:owns=io+mem [ 50.214865] pci 0000:01:00.1: [1002:aa60] type 00 class 0x040300 [ 50.214883] pci 0000:01:00.1: reg 0x10: [mem 0xdc440000-0xdc443fff 64bit] [ 50.214964] pci 0000:01:00.1: supports D1 D2 [ 50.215011] pci 0000:01:00.1: System wakeup disabled by ACPI [ 50.215114] pci 0000:00:01.0: PCI bridge to [bus 01] [ 50.215116] pci 0000:00:01.0: bridge window [io 0x5000-0x5fff] [ 50.215119] pci 0000:00:01.0: bridge window [mem 0xdc400000-0xdc4fffff] [ 50.215122] pci 0000:00:01.0: bridge window [mem 0xe0000000-0xefffffff 64bit pref] [ 50.215128] pci_bus 0000:01: Allocating resources [ 50.215142] pci 0000:01:00.0: can't claim BAR 6 [mem 0xfffe0000-0xffffffff pref]: no compatible bridge window [ 50.215150] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 50.215156] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 50.215158] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 50.215164] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 50.215168] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 50.215181] pci 0000:01:00.0: BAR 6: assigned [mem 0xdc420000-0xdc43ffff pref] [ 50.215183] pci 0000:00:01.0: PCI bridge to [bus 01] [ 50.215185] pci 0000:00:01.0: bridge window [io 0x5000-0x5fff] [ 50.215188] pci 0000:00:01.0: bridge window [mem 0xdc400000-0xdc4fffff] [ 50.215190] pci 0000:00:01.0: bridge window [mem 0xe0000000-0xefffffff 64bit pref] [ 50.215372] pcieport 0000:00:01.0: irq 24 for MSI/MSI-X [ 50.215993] [drm] initializing kernel modesetting (REDWOOD 0x1002:0x68C1 0x1025:0x051D). [ 50.216008] [drm] register mmio base: 0xDC400000 [ 50.216008] [drm] register mmio size: 131072 [ 50.216011] vga_switcheroo: enabled [ 50.216088] ATPX version 1, functions 0x000000bf [ 50.981118] ATOM BIOS: Acer [ 50.982329] radeon 0000:01:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used) [ 50.983400] radeon 0000:01:00.0: GTT: 1024M 0x0000000040000000 - 0x000000007FFFFFFF [ 50.984530] [drm] Detected VRAM RAM=1024M, BAR=128M [ 50.985633] [drm] RAM width 128bits DDR [ 50.986815] [TTM] Zone kernel: Available graphics memory: 1857032 kiB [ 50.987924] [TTM] Initializing pool allocator [ 50.989230] [TTM] Initializing DMA pool allocator [ 50.990529] [drm] radeon: 1024M of VRAM memory ready [ 50.991706] [drm] radeon: 1024M of GTT memory ready. [ 50.992759] [drm] Loading REDWOOD Microcode [ 50.993746] [drm] Internal thermal controller without fan control [ 50.999698] [drm] radeon: dpm initialized [ 51.018539] [drm] GART: num cpu pages 262144, num gpu pages 262144 [ 51.021937] [drm] PCIE GART of 1024M enabled (table at 0x000000000025E000). [ 51.023116] radeon 0000:01:00.0: WB enabled [ 51.024121] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff880128d88c00 [ 51.025192] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff880128d88c0c [ 51.027640] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x000000000005c418 and cpu addr 0xffffc9001a01c418 [ 51.028664] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 51.029692] [drm] Driver supports precise vblank timestamp query. [ 51.030704] radeon 0000:01:00.0: radeon: MSI limited to 32-bit [ 51.031729] radeon 0000:01:00.0: irq 27 for MSI/MSI-X [ 51.032761] radeon 0000:01:00.0: radeon: using MSI. [ 51.033803] [drm] radeon: irq initialized. [ 51.051581] [drm] ring test on 0 succeeded in 3 usecs [ 51.052589] [drm] ring test on 3 succeeded in 7 usecs [ 51.229501] [drm] ring test on 5 succeeded in 2 usecs [ 51.230499] [drm] UVD initialized successfully. [ 51.231806] [drm] ib test on ring 0 succeeded in 0 usecs [ 51.232858] [drm] ib test on ring 3 succeeded in 0 usecs [ 51.881581] [drm] ib test on ring 5 succeeded [ 51.937512] [drm] radeon atom DIG backlight initialized [ 51.938507] [drm] Radeon Display Connectors [ 51.939437] [drm] Connector 0: [ 51.940363] [drm] LVDS-2 [ 51.941278] [drm] DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c [ 51.942215] [drm] Encoders: [ 51.943167] [drm] LCD1: INTERNAL_UNIPHY [ 51.944103] [drm] Connector 1: [ 51.945035] [drm] HDMI-A-1 [ 51.945965] [drm] HPD1 [ 51.946887] [drm] DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c [ 51.947817] [drm] Encoders: [ 51.948738] [drm] DFP1: INTERNAL_UNIPHY1 [ 51.949671] [drm] Connector 2: [ 51.950607] [drm] VGA-2 [ 51.951524] [drm] DDC: 0x64d8 0x64d8 0x64dc 0x64dc 0x64e0 0x64e0 0x64e4 0x64e4 [ 51.952468] [drm] Encoders: [ 51.953407] [drm] CRT1: INTERNAL_KLDSCP_DAC1 [ 52.094041] radeon 0000:01:00.0: No connectors reported connected with modes [ 52.094997] [drm] Cannot find any crtc or sizes - going 1024x768 [ 52.098005] [drm] fb mappable at 0xE045F000 [ 52.098952] [drm] vram apper at 0xE0000000 [ 52.099897] [drm] size 3145728 [ 52.100847] [drm] fb depth is 24 [ 52.101792] [drm] pitch is 4096 [ 52.102867] radeon 0000:01:00.0: fb1: radeondrmfb frame buffer device [ 52.104031] [drm] Initialized radeon 2.40.0 20080528 for 0000:01:00.0 on minor 1 [ 52.105128] snd_hda_intel 0000:01:00.1: Handle VGA-switcheroo audio client [ 52.106174] snd_hda_intel 0000:01:00.1: irq 31 for MSI/MSI-X [ 52.107266] pci_bus 0000:04: Allocating resources [ 52.108249] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 52.109236] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 52.110253] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 52.111245] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 52.112219] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 52.113482] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 52.114465] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 52.115464] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 52.116446] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 52.117435] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 52.118556] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 52.119606] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 52.120668] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 52.121742] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 52.122814] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 52.123911] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 52.124994] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 52.126150] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 52.126549] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input21 [ 52.128453] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 52.129595] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 52.130859] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 52.132138] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 52.133303] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 52.134429] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 52.135548] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 52.136823] pci_bus 0000:02: Allocating resources [ 52.138005] pci_bus 0000:03: Allocating resources [ 52.139164] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 52.140282] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 52.141416] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 52.142562] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 52.143714] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 57.371980] snd_hda_intel 0000:01:00.1: Disabling via VGA-switcheroo [ 57.682470] init: wait-for-state (whoopsienetwork-manager) main process (2915) terminated with status 100 [ 57.725029] init: whoopsie main process (5278) terminated with status 1 [ 57.726216] init: whoopsie main process ended, respawning [ 58.377318] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment [ 58.377325] pci 0000:00:1e.0: PCI bridge to [bus 04] [ 58.377329] pci 0000:00:1e.0: bridge window [io 0x3000-0x3fff] [ 58.377335] pci 0000:00:1e.0: bridge window [mem 0xd0000000-0xd01fffff] [ 58.377339] pci 0000:00:1e.0: bridge window [mem 0xd0200000-0xd03fffff 64bit pref] [ 59.214962] [drm] PCIE GART of 1024M enabled (table at 0x000000000025E000). [ 59.216265] radeon 0000:01:00.0: WB enabled [ 59.217413] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff880128d88c00 [ 59.218658] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff880128d88c0c [ 59.220583] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x000000000005c418 and cpu addr 0xffffc9001a01c418 [ 59.238121] [drm] ring test on 0 succeeded in 1 usecs [ 59.239293] [drm] ring test on 3 succeeded in 2 usecs [ 59.416344] [drm] ring test on 5 succeeded in 1 usecs [ 59.417519] [drm] UVD initialized successfully. [ 59.418710] [drm] ib test on ring 0 succeeded in 0 usecs [ 59.419876] [drm] ib test on ring 3 succeeded in 0 usecs [ 60.071154] [drm] ib test on ring 5 succeeded [ 60.095039] snd_hda_intel 0000:01:00.1: Enabling via VGA-switcheroo [ 60.096283] snd_hda_intel 0000:01:00.1: irq 31 for MSI/MSI-X [ 60.111804] [drm] radeon atom LVDS backlight unloaded [ 60.113593] [drm] radeon: finishing device. [ 60.123334] [TTM] Finalizing pool allocator [ 60.124412] [TTM] Finalizing DMA pool allocator [ 60.125491] [TTM] Zone kernel: Used memory at exit: 0 kiB [ 60.126533] [drm] radeon: ttm finalized [ 60.127611] vga_switcheroo: disabled [ 60.129050] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=none,decodes=io+mem:owns=io+mem