Alguém poderia me ajudar a reduzir o tempo de inicialização do meu laptop? Às vezes demorando quase 2 min. Eu sou novo no Ubuntu.
Aqui está o meu log do dmesg,
[ 8.498049] systemd[1]: Listening on Syslog Socket.
[ 8.498121] systemd[1]: Reached target User and Group Name Lookups.
[ 8.498210] systemd[1]: Listening on Journal Audit Socket.
[ 8.498250] systemd[1]: Listening on Journal Socket.
[ 8.498267] systemd[1]: Reached target Encrypted Volumes.
[ 8.498315] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[ 8.498327] systemd[1]: Reached target Remote File Systems (Pre).
[ 10.504194] lp: driver loaded but no devices found
[ 10.529711] ppdev: user-space parallel port driver
[ 18.548894] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro
[ 18.578540] systemd-journald[254]: Received request to flush runtime journal from PID 1
[ 18.943264] shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
[ 19.016492] ACPI Warning: SystemIO range 0x0000000000000B00-0x0000000000000B08 conflicts with OpRegion 0x0000000000000B00-0x0000000000000B7F (\_SB.SMB0) (20160930/utaddress-247)
[ 19.016504] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
[ 19.024213] ath9k 0000:03:00.0: enabling device (0000 -> 0002)
[ 19.024518] ath: phy0: Set BT/WLAN RX diversity capability
[ 19.034409] Bluetooth: Core ver 2.22
[ 19.034440] NET: Registered protocol family 31
[ 19.034441] Bluetooth: HCI device and connection manager initialized
[ 19.034448] Bluetooth: HCI socket layer initialized
[ 19.034452] Bluetooth: L2CAP socket layer initialized
[ 19.034460] Bluetooth: SCO socket layer initialized
[ 19.050219] usbcore: registered new interface driver btusb
[ 19.073857] ath: phy0: ASPM enabled: 0x42
[ 19.073861] ath: EEPROM regdomain: 0x60
[ 19.073862] ath: EEPROM indicates we should expect a direct regpair map
[ 19.073865] ath: Country alpha2 being used: 00
[ 19.073866] ath: Regpair used: 0x60
[ 19.090451] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[ 19.091795] ieee80211 phy0: Atheros AR9285 Rev:2 mem=0xffffb11241560000, irq=17
[ 19.098329] input: HD-Audio Generic HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.1/sound/card0/input12
[ 19.107303] snd_hda_codec_realtek hdaudioC1D0: autoconfig for ALC269VB: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
[ 19.107307] snd_hda_codec_realtek hdaudioC1D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 19.107310] snd_hda_codec_realtek hdaudioC1D0: hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
[ 19.107312] snd_hda_codec_realtek hdaudioC1D0: mono: mono_out=0x0
[ 19.107314] snd_hda_codec_realtek hdaudioC1D0: inputs:
[ 19.107317] snd_hda_codec_realtek hdaudioC1D0: Mic=0x18
[ 19.107319] snd_hda_codec_realtek hdaudioC1D0: Internal Mic=0x12
[ 19.115963] input: HD-Audio Generic Mic as /devices/pci0000:00/0000:00:14.2/sound/card1/input13
[ 19.116077] input: HD-Audio Generic Headphone as /devices/pci0000:00/0000:00:14.2/sound/card1/input14
[ 19.160111] kvm: Nested Virtualization enabled
[ 19.160117] kvm: Nested Paging enabled
[ 19.712426] media: Linux media interface: v0.10
[ 19.724681] Linux video capture interface: v2.00
[ 19.753319] uvcvideo: Found UVC 1.00 device ASUS USB2.0 WebCam (058f:a016)
[ 19.763388] uvcvideo 1-3:1.0: Entity type for entity Extension 6 was not initialized!
[ 19.763394] uvcvideo 1-3:1.0: Entity type for entity Processing 5 was not initialized!
[ 19.763397] uvcvideo 1-3:1.0: Entity type for entity Selector 4 was not initialized!
[ 19.763400] uvcvideo 1-3:1.0: Entity type for entity Camera 1 was not initialized!
[ 19.763496] input: ASUS USB2.0 WebCam as /devices/pci0000:00/0000:00:12.2/usb1/1-3/1-3:1.0/input/input15
[ 19.763582] usbcore: registered new interface driver uvcvideo
[ 19.763583] USB Video Class driver (1.1.1)
[ 19.835975] asus_wmi: ASUS WMI generic driver loaded
[ 19.836000] ath9k 0000:03:00.0 wlp3s0: renamed from wlan0
[ 19.843175] asus_wmi: Initialization: 0x1
[ 19.843232] asus_wmi: BIOS WMI version: 7.6
[ 19.843296] asus_wmi: SFUN value: 0x1a0077
[ 19.851344] input: Asus WMI hotkeys as /devices/platform/asus-nb-wmi/input/input16
[ 19.862190] asus_wmi: Number of fans: 0
[ 20.436498] Adding 5742588k swap on /dev/sda3. Priority:-1 extents:1 across:5742588k FS
[ 21.671041] audit: type=1400 audit(1510409367.955:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/sbin/dhclient" pid=715 comm="apparmor_parser"
[ 21.671046] audit: type=1400 audit(1510409367.955:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=715 comm="apparmor_parser"
[ 21.671047] audit: type=1400 audit(1510409367.955:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-helper" pid=715 comm="apparmor_parser"
[ 21.671052] audit: type=1400 audit(1510409367.955:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=715 comm="apparmor_parser"
[ 21.671477] audit: type=1400 audit(1510409367.955:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/lightdm/lightdm-guest-session" pid=714 comm="apparmor_parser"
[ 21.671482] audit: type=1400 audit(1510409367.955:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/lightdm/lightdm-guest-session//chromium" pid=714 comm="apparmor_parser"
[ 21.674452] audit: type=1400 audit(1510409367.959:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/snapd/snap-confine" pid=719 comm="apparmor_parser"
[ 21.674458] audit: type=1400 audit(1510409367.959:9): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/snapd/snap-confine//mount-namespace-capture-helper" pid=719 comm="apparmor_parser"
[ 21.674461] audit: type=1400 audit(1510409367.959:10): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/cups-browsed" pid=720 comm="apparmor_parser"
[ 21.676592] audit: type=1400 audit(1510409367.959:11): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/ippusbxd" pid=722 comm="apparmor_parser"
[ 22.243148] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 22.243150] Bluetooth: BNEP filters: protocol multicast
[ 22.243157] Bluetooth: BNEP socket layer initialized
[ 26.024513] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 26.039100] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 26.044293] IPv6: ADDRCONF(NETDEV_UP): enp2s0: link is not ready
[ 26.231703] r8169 0000:02:00.0 enp2s0: link down
[ 26.231778] IPv6: ADDRCONF(NETDEV_UP): enp2s0: link is not ready
[ 26.312776] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 26.606699] radeon 0000:01:00.0: GPU softreset: 0x00000BDD
[ 26.606703] radeon 0000:01:00.0: GRBM_STATUS = 0xFFFFFFFF
[ 26.606705] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0xFFFFFFFF
[ 26.606707] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0xFFFFFFFF
[ 26.606709] radeon 0000:01:00.0: SRBM_STATUS = 0xFFFFFFFF
[ 26.606711] radeon 0000:01:00.0: SRBM_STATUS2 = 0xFFFFFFFF
[ 26.606713] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0xFFFFFFFF
[ 26.606715] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0xFFFFFFFF
[ 26.606716] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0xFFFFFFFF
[ 26.606718] radeon 0000:01:00.0: R_008680_CP_STAT = 0xFFFFFFFF
[ 26.606720] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0xFFFFFFFF
[ 28.220419] radeon 0000:01:00.0: Wait for MC idle timedout !
[ 28.220421] radeon 0000:01:00.0: GRBM_SOFT_RESET=0xFFFFFFFF
[ 28.220476] radeon 0000:01:00.0: SRBM_SOFT_RESET=0xFFFFFFFF
[ 28.221628] radeon 0000:01:00.0: GRBM_STATUS = 0xFFFFFFFF
[ 28.221630] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0xFFFFFFFF
[ 28.221632] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0xFFFFFFFF
[ 28.221634] radeon 0000:01:00.0: SRBM_STATUS = 0xFFFFFFFF
[ 28.221636] radeon 0000:01:00.0: SRBM_STATUS2 = 0xFFFFFFFF
[ 28.221637] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0xFFFFFFFF
[ 28.221639] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0xFFFFFFFF
[ 28.221641] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0xFFFFFFFF
[ 28.221643] radeon 0000:01:00.0: R_008680_CP_STAT = 0xFFFFFFFF
[ 28.221645] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0xFFFFFFFF
[ 33.225243] [drm:atom_op_jump [radeon]] *ERROR* atombios stuck in loop for more than 5secs aborting
[ 33.225341] [drm:atom_execute_table_locked [radeon]] *ERROR* atombios stuck executing D05E (len 62, WS 0, PS 0) @ 0xD07A
[ 33.225468] [drm:atom_execute_table_locked [radeon]] *ERROR* atombios stuck executing BCC6 (len 1036, WS 4, PS 0) @ 0xBDC3
[ 33.225596] [drm:atom_execute_table_locked [radeon]] *ERROR* atombios stuck executing BC5C (len 76, WS 0, PS 8) @ 0xBC64
[ 33.225951] [drm:radeon_pm_resume [radeon]] *ERROR* radeon: dpm resume failed
[ 34.795429] radeon 0000:01:00.0: Wait for MC idle timedout !
[ 34.993921] radeon 0000:01:00.0: Wait for MC idle timedout !
[ 35.011775] [drm] PCIE GART of 1024M enabled (table at 0x0000000000162000).
[ 35.011886] radeon 0000:01:00.0: WB enabled
[ 35.011889] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff9825fd960c00
[ 35.011891] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff9825fd960c0c
[ 35.016546] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x0000000000072118 and cpu addr 0xffffb11241632118
[ 35.231543] [drm:r600_ring_test [radeon]] *ERROR* radeon: ring 0 test failed (scratch(0x8504)=0xFFFFFFFF)
[ 35.231631] [drm:evergreen_resume [radeon]] *ERROR* evergreen startup failed on resume
[ 35.231772] [drm:radeon_pm_resume [radeon]] *ERROR* radeon: dpm resume failed
[ 40.233170] [drm:atom_op_jump [radeon]] *ERROR* atombios stuck in loop for more than 5secs aborting
[ 40.233272] [drm:atom_execute_table_locked [radeon]] *ERROR* atombios stuck executing C670 (len 1136, WS 0, PS 0) @ 0xC69A
[ 42.485734] radeon 0000:01:00.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=none:owns=none
[ 42.485738] radeon 0000:00:01.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=none:owns=io+mem
[ 49.345834] Bluetooth: RFCOMM TTY layer initialized
[ 49.345849] Bluetooth: RFCOMM socket layer initialized
[ 49.345863] Bluetooth: RFCOMM ver 1.11
[ 54.625897] wlp3s0: authenticate with 90:8d:78:ba:fa:f5
[ 54.638696] wlp3s0: send auth to 90:8d:78:ba:fa:f5 (try 1/3)
[ 54.640328] wlp3s0: authenticated
[ 54.640885] wlp3s0: associate with 90:8d:78:ba:fa:f5 (try 1/3)
[ 54.645163] wlp3s0: RX AssocResp from 90:8d:78:ba:fa:f5 (capab=0x411 status=0 aid=1)
[ 54.645279] wlp3s0: associated
[ 54.645328] IPv6: ADDRCONF(NETDEV_CHANGE): wlp3s0: link becomes ready
Aqui está o resultado para systemd-analysis critical-chain
graphical.target @44.292s
└─multi-user.target @44.292s
└─getty.target @44.292s
└─[email protected] @44.292s
└─rc-local.service @44.283s +3ms
└─network-online.target @44.281s
└─NetworkManager-wait-online.service @38.527s +5.753s
└─NetworkManager.service @35.694s +2.830s
└─dbus.service @35.359s
└─basic.target @35.337s
└─sockets.target @35.337s
└─snapd.socket @35.286s +46ms
└─sysinit.target @35.285s
└─systemd-update-utmp.service @15.690s +193ms
└─systemd-tmpfiles-setup.service @15.461s +191ms
└─local-fs.target @15.458s
└─run-user-108.mount @41.352s
└─local-fs-pre.target @12.986s
└─systemd-remount-fs.service @12.948s +34ms
└─system.slice @2.939s