Hi,
I updated Ubuntu to 18.04 LTS from 16.04 LTS and right after that the boot problem happens.
Then I run boot-repair and the surroundings slightly changed, but still Ubuntu cannot boot. If I choose "Ubuntu" in GRUB2, violet-color screen with no text hangs, and no going forward.
This is the Boot info: https://pastebin.ubuntu.com/p/HvCx9jrfRF/
Now I tried to boot Ubuntu by recovery mode, but it stops during boot sequence, with the message following:
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Gave up waiting for suspend/resume device
Done.
Begin: Waiting for root file system device.
Gave up waiting for root device. Common problems:
-Boot args (cat /proc/cmdline)
-Check rootdelay= (did the system wait long enough?)
-Missing modules (cat /proc/modules; ls /dev)
ALERT! UUID=246585c1-7fa9-4ccd-awaw-ef358267b93a does not exist. Dropping to a shell!
Then initramfs shell started.
Also, I have a ACPI error message before that.
What should I do in this case?
Although there are a bunch of threads regarding the same error message and I tried many commands raised there, the problem have not resolved.
/dev/sda7 is the partition installed Ubuntu, /dev/sda3 is EFI partition for boot, /dev/sda8 is swap partition.
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lsblk -f
NAME FSTYPE LABEL UUID MOUNTPOINT
loop0 squashfs /rofs
sda
├─sda1 vfat SONYSYS DC5A-D06B
├─sda2 ntfs Windows RE tools 52BE5F7BBE5F5717
├─sda3 vfat 48B2-EB1D
├─sda4
├─sda5 ntfs 01D18A3AE79E42E0
├─sda6 ntfs Recovery 0CBE6577BE655A6A
├─sda7 ext4 246585c1-7fa9-4ccd-a2a2-ef358367b93a
└─sda8 swap b38f5a65-67a8-4667-899c-dd482815a59f [SWAP]
sdb
└─sdb1 vfat 00E2-7946 /cdrom
sr0
zram0 [SWAP]
zram1 [SWAP]
zram2 [SWAP]
zram3 [SWAP]
lubuntu@lubuntu:~$ blkid
/dev/sda1: LABEL="SONYSYS" UUID="DC5A-D06B" TYPE="vfat" PARTLABEL="EFI system partition" PARTUUID="f2b3e73e-9dec-40cf-834f-7ad4a2ec02c8"
/dev/sda2: LABEL="Windows RE tools" UUID="52BE5F7BBE5F5717" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="49223721-c333-4631-980f-97a7a233991d"
/dev/sda3: UUID="48B2-EB1D" TYPE="vfat" PARTLABEL="EFI system partition" PARTUUID="ea9ae731-6efa-4542-ab70-ef86cbdadefe"
/dev/sda5: UUID="01D18A3AE79E42E0" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="5ead2b50-5129-409d-832b-825e00c085ce"
/dev/sda6: LABEL="Recovery" UUID="0CBE6577BE655A6A" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="8ab407a1-1f7f-4cd0-a052-4ddf8960e0d7"
/dev/sda7: UUID="246585c1-7fa9-4ccd-a2a2-ef358367b93a" TYPE="ext4" PARTUUID="4f231295-b629-44ab-8e6e-69343ea4621a"
/dev/sdb1: UUID="00E2-7946" TYPE="vfat"
/dev/loop0: TYPE="squashfs"
/dev/sda8: UUID="b38f5a65-67a8-4667-899c-dd482815a59f" TYPE="swap" PARTUUID="39dc0eab-6ea1-442b-bcb6-cb9980eda8ec"
/dev/zram0: UUID="3d3dbf2f-04d2-4dd1-8374-15e318f22384" TYPE="swap"
/dev/zram1: UUID="5376af07-b6b4-41ac-9c21-c6fb5f2cb269" TYPE="swap"
/dev/zram2: UUID="05fc722e-efe1-43d7-87c5-c9971707e19a" TYPE="swap" /dev/zram3: UUID="e639c241-012d-41a3-b9ef-00131fe85d80" TYPE="swap"
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