your bootchart shows:
- blkid takes 29 seconds to identify your root filesystem from the initramfs.
- the initramfs spends another 5 seconds looking for a hibernate image on swap.
It doesn't find it, presumably either because the wrong UUID is encoded in
/etc/initramfs-tools or because the initramfs is having trouble finding your
swap partition too.
- Once booted to the rootfs, it takes 15 seconds for the system to run an fsck
on an ext3 partition.
- ... and then it takes another 6 seconds to mount it.
udev doesn't even start until 59 seconds after boot, and then its
helpers again spend a lot of time in disk I/O for simple tasks.
None of this points to an upstart problem. You either have a
broken/failing/slow disk, or you have some other kernel issue slowing
things down.
It appears that you are running btrfs, with a very complicated partition
scheme (29 partitions on sda, 20 on sdb?) Since the partition detection
works without a hitch, I suspect your problem is that the btrfs volumes
have gotten themselves into an unholy state and are slowing the system
down.
** Changed in: upstart (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1218568
Title:
slow boot
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