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After upgrading from 17.04 to 17.10 Ubuntu freezes frequently in 2 specific situations:

1) On loading a new page/tab in Firefox. Sometimes, the system unfreezes after a while. Sometimes not.

2) On shutdown. More often than not, it doesn't unfreeze from this state.

This is different from several similar questions I have found here in that it doesn't matter what display server I use. Wayland, XORG and Unity display the same behavior. It might also be of importance that I used to experience similar (but not exactly the same) problems after upgrading from 16.04. Details:

Ubuntu freezes while FF or Chromium are running

In the previous case, the freezes tapered off in time. This doesn't seem to be the case now. Any suggestions of what might be causing the problem or what diagnostic tools I might use would be greatly appreciated.

EDIT

Erasing and reinstalling Ubuntu seems to have helped.

EDIT 2

I might have located the culprit. The problem came back right after I installed Sophos Antivirus. Uninstalling the app seems to have solved it.

Zelazny
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1 Answers1

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I used to have problems like this whenever I upgraded my Ubuntu installation. The truth is an upgrade will never match a fresh installation at least not in my experience.To solve this problem I use advanced partitioning when installing Ubuntu. Home directory onto a separate partition you can follow the guides https://www.tecmint.com/move-home-directory-to-new-partition-disk-in-linux/ and Move home folder to second drive. This allows me to do a fresh installation whenever I want with minimum interuptions

Garikai Dzoma
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