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Since a few days, I'm having 6 to 8 seconds of delay while booting..,
rep ~ $ systemd-analyze blame
6.612s dev-disk-by\x2duuid-6707abf6\x2d5299\x2d4e90\x2d8d62\x2df9a03e6270a6.swap
1.396s systemd-fsck@dev-disk-by\x2duuid-b2b35d72\x2d71b7\x2d4558\x2dbeb0\x2deceacc59294f.service
281ms boot.mount
227ms NetworkManager.service
209ms systemd-fsck@dev-disk-by\x2duuid-b7c6a22b\x2d8734\x2d48d6\x2dbb31\x2d35367ac5b7b9.service
121ms systemd-tmpfiles-setup.service
82ms mnt-500g.mount
79ms systemd-update-utmp.service
62ms systemd-logind.service
62ms systemd-journald.service
61ms systemd-udevd.service
57ms alsa-restore.service
48ms wpa_supplicant.service
33ms udisks2.service
33ms systemd-rfkill@rfkill0.service
33ms systemd-journal-flush.service
31ms systemd-rfkill@rfkill1.service
30ms systemd-rfkill@rfkill2.service
30ms polkit.service
29ms user@1000.service
26ms systemd-sysctl.service
17ms systemd-udev-trigger.service
13ms systemd-tmpfiles-setup-dev.service
11ms systemd-backlight@backlight:acpi_video0.service
10ms avahi-daemon.service
9ms upower.service
7ms systemd-random-seed.service
6ms rtkit-daemon.service
5ms dev-hugepages.mount
5ms dev-mqueue.mount
4ms sys-kernel-debug.mount
4ms kmod-static-nodes.service
4ms systemd-vconsole-setup.service
4ms sys-kernel-config.mount
3ms sys-fs-fuse-connections.mount
2ms systemd-user-sessions.service
2ms systemd-remount-fs.service
1ms tmp.mount
rep ~ $ 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.
multi-user.target @7.503s
`-NetworkManager.service @7.276s +227ms
`-basic.target @7.275s
`-timers.target @7.275s
`-systemd-tmpfiles-clean.timer @7.275s
`-sysinit.target @7.273s
`-swap.target @7.273s
`-dev-disk-by\x2duuid-6707abf6\x2d5299\x2d4e90\x2d8d62\x2df9a03e6270a6.swap @660ms +6.612s
`-dev-disk-by\x2duuid-6707abf6\x2d5299\x2d4e90\x2d8d62\x2df9a03e6270a6.device @659ms
rep ~ $ cat /etc/fstab
# /etc/fstab: static file system information
# <file system> <dir> <type> <options> <dump> <pass>
#UUID=9a336f35-6fc3-4466-988e-2d5688ef2ad5 / ext4 rw,noatime,discard,stripe=256,nobarrier,inode_readahead_blks=256,delalloc 0 1
UUID=b2b35d72-71b7-4558-beb0-eceacc59294f /boot ext4 rw,noatime,discard,stripe=256,nobarrier,inode_readahead_blks=256,delalloc 0 1
UUID=6707abf6-5299-4e90-8d62-f9a03e6270a6 swap swap discard,sw 0 0
tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0
Commenting out the swap entry in fstab makes the delay go away.
I tried recreating the swap with mkswap.
The fsck also seems to be taking inordinate amounts of time, considering I have 2 SSDs in RAID-0 mode
What gives?
Last edited by rep_movsd (2014-11-19 15:45:06)
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Solved it -
I updated packages and commented out the entries in fstab
Seems like systemd will manage swap and tmpfs on its own, if there are entries in fstab as well, it seems to get stalled for a while.
Now my userspace time is down to 0.97 but I moved to nouveau from nvidia and the kernel is taking 8.8 seconds to boot now! Meh!
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