[   30.805542] bbswitch: version 0.7
[   30.805551] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0
[   30.805558] bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.P0P2.PEGP
[   30.805574] ACPI Warning: \_SB_.PCI0.P0P2.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[   30.805614] ACPI Warning: \_SB_.PCI0.P0P2.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[   30.805634] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[   30.805659] bbswitch: detected a nVidia _DSM function on the integrated video card
[   30.805683] pci 0000:01:00.0: enabling device (0004 -> 0007)
[   30.805763] bbswitch: disabling discrete graphics
[   30.820195] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[   31.024357] ACPI: \_SB_.PCI0: Bus check notify on hotplug_event_root
[   31.024420] bbswitch: Succesfully loaded. Discrete card 0000:01:00.0 is off
[   31.024500] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=none,decodes=io+mem:owns=none
[   31.040380] ------------[ cut here ]------------
[   31.040393] WARNING: CPU: 0 PID: 477 at /build/buildd/linux-3.13.0/fs/sysfs/group.c:214 sysfs_remove_group+0xc6/0xd0()
[   31.040396] sysfs group ffffffff81cabb00 not found for kobject 'acpi_video0'
[   31.040398] Modules linked in: bbswitch(OF) acerhdf(OF) bnep rfcomm bluetooth parport_pc ppdev binfmt_misc dm_crypt lib80211_crypt_tkip intel_powerclamp wl(POF) coretemp kvm_intel kvm snd_hda_codec_conexant snd_hda_intel joydev snd_hda_codec psmouse snd_hwdep acer_wmi sparse_keymap uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event mei_me snd_rawmidi lib80211 mei snd_seq lpc_ich snd_seq_device serio_raw snd_timer microcode snd cfg80211 soundcore intel_ips mac_hid lp parport usb_storage mxm_wmi i915 i2c_algo_bit drm_kms_helper tg3 drm ahci libahci ptp pps_core wmi video
[   31.040463] CPU: 0 PID: 477 Comm: kworker/0:2 Tainted: PF          O 3.13.0-12-generic #32-Ubuntu
[   31.040465] Hardware name: Acer             TravelMate 8572G /BAP50-CP        , BIOS V1.28   07/20/2011
[   31.040471] Workqueue: kacpi_hotplug acpi_hotplug_work_fn
[   31.040473]  0000000000000009 ffff88008db65ac8 ffffffff81716361 ffff88008db65b10
[   31.040478]  ffff88008db65b00 ffffffff8106450d 0000000000000000 ffffffff81cabb00
[   31.040483]  ffff88014cb2cca8 ffff880151a07098 ffff8801519de188 ffff88008db65b60
[   31.040487] Call Trace:
[   31.040495]  [<ffffffff81716361>] dump_stack+0x45/0x56
[   31.040501]  [<ffffffff8106450d>] warn_slowpath_common+0x7d/0xa0
[   31.040506]  [<ffffffff8106457c>] warn_slowpath_fmt+0x4c/0x50
[   31.040510]  [<ffffffff8122ed8e>] ? sysfs_get_dirent_ns+0x4e/0x70
[   31.040514]  [<ffffffff81230066>] sysfs_remove_group+0xc6/0xd0
[   31.040521]  [<ffffffff81496523>] dpm_sysfs_remove+0x43/0x50
[   31.040526]  [<ffffffff8148bf55>] device_del+0x45/0x1c0
[   31.040529]  [<ffffffff8148c0ee>] device_unregister+0x1e/0x60
[   31.040534]  [<ffffffff813d3868>] backlight_device_unregister+0x98/0xa0
[   31.040543]  [<ffffffffa0000bca>] acpi_video_bus_remove+0xd8/0x1d9 [video]
[   31.040549]  [<ffffffff813ea3a0>] acpi_device_remove+0x80/0x9f
[   31.040555]  [<ffffffff8148fc6f>] __device_release_driver+0x7f/0xf0
[   31.040559]  [<ffffffff8148fd03>] device_release_driver+0x23/0x30
[   31.040563]  [<ffffffff813eb017>] acpi_bus_device_detach+0x57/0x5b
[   31.040566]  [<ffffffff813eb48a>] acpi_bus_trim+0x3f/0x74
[   31.040572]  [<ffffffff813b402c>] acpiphp_bus_trim+0x2c/0x30
[   31.040575]  [<ffffffff813b447a>] disable_slot+0xaa/0xd0
[   31.040579]  [<ffffffff813b45a8>] acpiphp_check_bridge+0x108/0x110
[   31.040583]  [<ffffffff813b53e7>] hotplug_event+0x117/0x260
[   31.040587]  [<ffffffff813b555a>] hotplug_event_work+0x2a/0x70
[   31.040591]  [<ffffffff813e6dee>] acpi_hotplug_work_fn+0x1c/0x27
[   31.040596]  [<ffffffff81080702>] process_one_work+0x182/0x450
[   31.040600]  [<ffffffff810814a1>] worker_thread+0x121/0x410
[   31.040604]  [<ffffffff81081380>] ? rescuer_thread+0x3e0/0x3e0
[   31.040608]  [<ffffffff810880f2>] kthread+0xd2/0xf0
[   31.040611]  [<ffffffff81088020>] ? kthread_create_on_node+0x190/0x190
[   31.040617]  [<ffffffff81726cbc>] ret_from_fork+0x7c/0xb0
[   31.040620]  [<ffffffff81088020>] ? kthread_create_on_node+0x190/0x190
[   31.040623] ---[ end trace 4f9ff8df3f0b9f89 ]---
[   32.339620] tg3 0000:02:00.0: irq 45 for MSI/MSI-X
[   33.099520] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   33.099871] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   33.310931] tg3 0000:02:00.0 eth0: Link is down
[   34.028509] init: samba-ad-dc main process (1125) terminated with status 1
[   35.525787] Adding 7812092k swap on /dev/mapper/cryptswap1.  Priority:-1 extents:1 across:7812092k FS
[   36.095485] cfg80211: Calling CRDA for country: PL
[   36.098346] cfg80211: Regulatory domain changed to country: PL
[   36.098351] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[   36.098353] cfg80211:   (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[   36.098355] cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[   36.098356] cfg80211:   (5250000 KHz - 5330000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[   36.098357] cfg80211:   (5490000 KHz - 5710000 KHz @ 40000 KHz), (N/A, 2700 mBm)
[   36.098359] cfg80211:   (57240000 KHz - 65880000 KHz @ 2160000 KHz), (N/A, 4000 mBm)
[   59.605144] FAT-fs (sdb1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.