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very short description: I have a dual boot (Ubuntu 18.04; Windows 10) Thinkpad and I can't boot into Ubuntu. Along with the error posted in the subject line I also get these tidbits ...

couldn't get size: 0x800000000000000e
/dev/sda6/:clean 384938/2215696 files, 4456623/8876800 blocks
Kernel panic - not syncing: attempted to kill init! exitcode=0x00007f00
<<< more stuff >>>

Longer story: I needed more space on the ubuntu side of the dual boot. I used gparted (on a 'test ubuntu' thumbdrive) to take space from Windows and give it to the Ubuntu partitions. I had many steps in gparted. It all processed and I could boot into Unbuntu and I could see the expanded space! The next day I tried booting into windows and Windows was not happy -- it went through various 'drive repair' steps but did "fix" whatever it felt it needed and then was able to boot into windows. Later I tried booting back into Ubuntu and it failed. This is where I'm at.

I've tried various repairs of grub (including running boot repair https://help.ubuntu.com/community/Boot-Repair a few times). I have also just tried running gparted again and making slight changes, but alas, that didn't work either.

Here's an image of the error messages: stack trace and line by line error msgs

Are there any other suggestions?
Thanks in advance!

Tim
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  • Please post a link to your boot-repair output. That will provide enough info for providing help. How does it fail? Does grub even show up? – ubfan1 Dec 31 '19 at 22:57
  • Yes, grub show up and allows choices. If I choose ubuntu, it then stalls at these errors. Ok, I'll try to get the boot repair output! thanks for commenting. – Tim Dec 31 '19 at 23:26
  • @ubfan1 here's a link to boot-repair info: https://www.dropbox.com/s/2tyauzi1pknrm5o/Boot-Info_20191231_2341.txt?dl=0 I'm running repair again and will post its output as well. – Tim Dec 31 '19 at 23:57
  • This time Boot-repair said there is an error during repair. I can't remember if it had said that previously. Here is output from the repair attempt. https://www.dropbox.com/s/55n3jyri9xma8lb/Boot-Info_20191231_2359.txt?dl=0 – Tim Jan 01 '20 at 00:05

1 Answers1

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I gave up and have attempted a reinstall while trying to keep data, following directions here:

https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows

and here:

Why do I get "No root file system is defined" when I try install in one partition?

the key was being sure to set the existing partitions correctly. I had one partition set to /home, keeping it, and the other partition set to "/" and had to reformat that one during install. I needed only a few program installs in the end.

Tim
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