I am currently having extremely slow boot times while using an ssd drive. I
suspect that this is due to systemd being used in my fresh install dual
boot mint/ubuntu.
*dmesg errors:*
[ 1.766783] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[ 1.768840] ata1.00: ACPI cmd ef/10:09:00:00:00:b0 (SET FEATURES)
succeeded
[ 1.769040] ata1.00:* supports DRM functions and may not be fully
accessible*
[ 1.773930] ata1.00: disabling queued TRIM support
[ 1.773932] ata1.00: ATA-9: Samsung SSD 850 EVO mSATA 1TB, EMT41B6Q, max
UDMA/133
[ 1.773934] ata1.00: 1953525168 sectors, multi 1: LBA48 NCQ (depth
31/32), AA
[ 1.774418] ata1.00: ACPI cmd ef/10:09:00:00:00:b0 (SET FEATURES)
succeeded
[ 1.774618] ata1.00: *supports DRM functions and may not be fully
accessible*
[ 1.779504] ata1.00: disabling queued TRIM support
[ 1.779615] ata1.00: configured for UDMA/133
[ 1.779850] scsi 0:0:0:0: Direct-Access ATA Samsung SSD 850
1B6Q PQ: 0 ANSI: 5
[ 1.811661] sd 0:0:0:0: [sda] 1953525168 512-byte logical blocks: (1.00
TB/932 GiB)
[ 1.811691] sd 0:0:0:0: Attached scsi generic sg0 type 0
[ 1.811715] sd 0:0:0:0: [sda] Write Protect is off
[ 1.811719] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 1.811737] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled,
doesn't support DPO or FUA
[ 1.813664] sda: sda1 sda2
[ 9.127082] uvcvideo 1-5:1.0: Entity type for entity Extension 4 was not
initialized!
[ 9.127086] uvcvideo 1-5:1.0: Entity type for entity Extension 3 was not
initialized!
[ 9.127088] uvcvideo 1-5:1.0: Entity type for entity Processing 2 was
not initialized!
[ 9.127090] uvcvideo 1-5:1.0: Entity type for entity Camera 1 was not
initialized!
[ 9.127208] input: HD WebCam as
/devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.0/input/input20
[ 9.127290] usbcore: registered new interface driver uvcvideo
[ 9.127291] USB Video Class driver (1.1.1)
[ 98.726896] cgroup: *new mount options do not match the existing
superblock, will be ignored*
101.359399] Bluetooth: RFCOMM ver 1.11
[ 178.286214] wlp3s0: authenticate with 00:xx:xx:xx:xx:xx
*systend-analyze output:*
$ systemd-analyze
Startup finished in 4.072s (firmware) + 4.130s (loader) + 8.266s (kernel) +
3min 610ms (userspace) = 3min 17.080s
*systemd-analyze critcal-chainn output:*
$ systemd-analyze critical-chain
The time after the unit is active or started is printed after the "@"
character.
The time the unit takes to start is printed after the "+" character.
graphical.target @1min 30.964s
└─multi-user.target @1min 30.963s
└─click-system-hooks.service @1min 30.452s +509ms
└─basic.target @1min 30.431s
└─sockets.target @1min 30.429s
└─snapd.socket @1min 30.411s +16ms
└─sysinit.target @1min 30.407s
└─systemd-timesyncd.service @1.521s +147ms
└─systemd-tmpfiles-setup.service @1.489s +17ms
└─local-fs.target @1.484s
└─run-user-1000-gvfs.mount @2min 47.389s
└─run-user-1000.mount @2min 46.876s
└─local-fs-pre.target @509ms
└─systemd-remount-fs.service @489ms +16ms
└─systemd-journald.socket @261ms
└─-.slice @218ms
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