$ dmesg | grep -C 10 bbswitch: [ 17.708232] type=1400 audit(1349170743.449:18): apparmor="STATUS" operation="profile_load" name="/usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper" pid=1059 comm="apparmor_parser" [ 17.999571] type=1400 audit(1349170743.741:19): apparmor="STATUS" operation="profile_load" name="/usr/sbin/tcpdump" pid=1066 comm="apparmor_parser" [ 18.013483] type=1400 audit(1349170743.753:20): apparmor="STATUS" operation="profile_load" name="/usr/lib/telepathy/mission-control-5" pid=1063 comm="apparmor_parser" [ 18.470148] iwlwifi 0000:03:00.0: L1 Disabled; Enabling L0S [ 18.532291] iwlwifi 0000:03:00.0: L1 Disabled; Enabling L0S [ 18.593460] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 18.594941] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 18.602750] atl1c 0000:05:00.0: irq 58 for MSI/MSI-X [ 18.685539] ADDRCONF(NETDEV_UP): eth0: link is not ready [ 18.686883] ADDRCONF(NETDEV_UP): eth0: link is not ready [ 19.789755] bbswitch: version 0.4.2 [ 19.789761] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0 [ 19.789769] bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.PEG0.GFX0 [ 19.789860] bbswitch: detected an Optimus _DSM function [ 19.789866] bbswitch: Succesfully loaded. Discrete card 0000:01:00.0 is on [ 19.791370] bbswitch: disabling discrete graphics [ 19.791456] bbswitch: Result of Optimus _DSM call: 01000059 [ 19.891590] pci 0000:01:00.0: power state changed by ACPI to D3 [ 21.149578] wlan0: authenticate with 84:c9:b2:6c:10:ed (try 1) [ 21.151686] wlan0: authenticated [ 21.156189] wlan0: associate with 84:c9:b2:6c:10:ed (try 1) [ 21.159547] wlan0: RX AssocResp from 84:c9:b2:6c:10:ed (capab=0x411 status=0 aid=1) [ 21.159550] wlan0: associated [ 21.163902] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 32.106017] wlan0: no IPv6 routers present [ 283.429886] audit_printk_skb: 28 callbacks suppressed [ 283.429894] type=1701 audit(1349171010.165:30): auid=4294967295 uid=1000 gid=1000 ses=4294967295 pid=4739 comm="chrome" reason="seccomp" sig=0 syscall=39 compat=0 ip=0x7f5b28184fd9 code=0x50001 -- [ 808.080020] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 823.446931] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 872.904982] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 909.728371] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 944.438316] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 1020.075698] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 1055.735938] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 1086.785925] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 1142.956334] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 1324.761034] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 1724.738481] bbswitch: enabling discrete graphics [ 1725.183528] pci 0000:01:00.0: power state changed by ACPI to D0 [ 1725.183547] pci 0000:01:00.0: power state changed by ACPI to D0 [ 1725.183600] pci 0000:01:00.0: restoring config space at offset 0x1 (was 0x100006, writing 0x100000) [ 1725.183628] pci 0000:01:00.0: power state changed by ACPI to D0 [ 1725.183636] pci 0000:01:00.0: power state changed by ACPI to D0 [ 1725.183646] pci 0000:01:00.0: enabling device (0000 -> 0003) [ 1725.183660] pci 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 1725.183671] pci 0000:01:00.0: setting latency timer to 64 [ 1725.416875] nvidia: module license 'NVIDIA' taints kernel. [ 1725.416882] Disabling lock debugging due to kernel taint [ 1725.464799] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 1725.464803] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 1725.464807] nvidia 0000:01:00.0: enabling device (0000 -> 0003) [ 1725.464812] nvidia 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 1725.464819] nvidia 0000:01:00.0: setting latency timer to 64 [ 1725.464824] vgaarb: device changed decodes: PCI:0000:01:00.0,olddecodes=io+mem,decodes=none:owns=none [ 1725.464904] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 295.40 Thu Apr 5 21:37:00 PDT 2012 [ 1729.386090] nvidia 0000:01:00.0: PCI INT A disabled [ 1729.389757] bbswitch: disabling discrete graphics [ 1729.390092] bbswitch: Result of Optimus _DSM call: 01000059 [ 1729.405870] pci 0000:01:00.0: Refused to change power state, currently in D0 [ 1729.485886] pci 0000:01:00.0: power state changed by ACPI to D3 [ 1757.500077] bbswitch: enabling discrete graphics [ 1757.951660] pci 0000:01:00.0: power state changed by ACPI to D0 [ 1757.951680] pci 0000:01:00.0: power state changed by ACPI to D0 [ 1757.951734] pci 0000:01:00.0: restoring config space at offset 0x1 (was 0x100006, writing 0x100003) [ 1757.951763] pci 0000:01:00.0: power state changed by ACPI to D0 [ 1757.951770] pci 0000:01:00.0: power state changed by ACPI to D0 [ 1757.951789] pci 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 1757.951800] pci 0000:01:00.0: setting latency timer to 64 [ 1758.023047] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 1758.023059] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 1758.023078] nvidia 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 1758.023094] nvidia 0000:01:00.0: setting latency timer to 64 [ 1758.023106] vgaarb: device changed decodes: PCI:0000:01:00.0,olddecodes=none,decodes=none:owns=none [ 1758.023409] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 295.40 Thu Apr 5 21:37:00 PDT 2012 [ 1760.004462] nvidia 0000:01:00.0: PCI INT A disabled [ 1760.008577] bbswitch: disabling discrete graphics [ 1760.008888] bbswitch: Result of Optimus _DSM call: 01000059 [ 1760.024213] pci 0000:01:00.0: Refused to change power state, currently in D0 [ 1760.112181] pci 0000:01:00.0: power state changed by ACPI to D3 [ 1773.520182] bbswitch: enabling discrete graphics [ 1773.946012] pci 0000:01:00.0: power state changed by ACPI to D0 [ 1773.946032] pci 0000:01:00.0: power state changed by ACPI to D0 [ 1773.946086] pci 0000:01:00.0: restoring config space at offset 0x1 (was 0x100006, writing 0x100003) [ 1773.946115] pci 0000:01:00.0: power state changed by ACPI to D0 [ 1773.946122] pci 0000:01:00.0: power state changed by ACPI to D0 [ 1773.946140] pci 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 1773.946151] pci 0000:01:00.0: setting latency timer to 64 [ 1774.010453] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 1774.010465] nvidia 0000:01:00.0: power state changed by ACPI to D0 [ 1774.010483] nvidia 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 1774.010499] nvidia 0000:01:00.0: setting latency timer to 64 [ 1774.010512] vgaarb: device changed decodes: PCI:0000:01:00.0,olddecodes=none,decodes=none:owns=none [ 1774.010804] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 295.40 Thu Apr 5 21:37:00 PDT 2012 [ 1800.368138] nvidia 0000:01:00.0: PCI INT A disabled [ 1800.372165] bbswitch: disabling discrete graphics [ 1800.372471] bbswitch: Result of Optimus _DSM call: 01000059 [ 1800.387883] pci 0000:01:00.0: Refused to change power state, currently in D0 [ 1800.475911] pci 0000:01:00.0: power state changed by ACPI to D3 [ 2007.878363] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 2079.812599] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 6 [ 3013.401328] type=1701 audit(1349173743.137:34): auid=4294967295 uid=1000 gid=1000 ses=4294967295 pid=4128 comm="chrome" reason="seccomp" sig=0 syscall=39 compat=0 ip=0x7f5184e04fd9 code=0x50001 [ 3013.625244] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 3058.104956] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 3103.275087] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 3117.063764] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 84:c9:b2:6c:10:ed tid = 0 [ 3118.659920] type=1701 audit(1349173848.513:35): auid=4294967295 uid=1000 gid=1000 ses=4294967295 pid=5461 comm="chrome" reason="seccomp" sig=0 syscall=2 compat=0 ip=0x7f5184dfb7b0 code=0x50002