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CPU spikes - temporary 100% CPU usage, even with add-ons disabled

Kuphostiwe

Hello,

I've been getting huge CPU spikes in the past month(s). I don't remember exactly when it started, but at least 3 weeks ago. Firefox completely freezes, which means I'm not even able to check the about:performance tab to see what's causing the spikes. The first uploaded image shows a frozen tab, all my tabs look like this.

This also happens in safe mode, with all add-ons disabled and a default configuration. I haven't tried completely reinstalling FF yet, as I was hoping an update would fix this. The second uploaded image shows the output from the top command during such a spike.

What can I do to better diagnose the problem? Are there external tools I can use to find the source of the problem?

I'm running FF 66.0.3 on an up-to-date Ubuntu 18.04.02, on a Lenovo T480s with an i7-8550u and 16G of memory. Can I provide any other useful information?

Thanks!

Hello, I've been getting huge CPU spikes in the past month(s). I don't remember exactly when it started, but at least 3 weeks ago. Firefox completely freezes, which means I'm not even able to check the about:performance tab to see what's causing the spikes. The first uploaded image shows a frozen tab, all my tabs look like this. This also happens in safe mode, with all add-ons disabled and a default configuration. I haven't tried completely reinstalling FF yet, as I was hoping an update would fix this. The second uploaded image shows the output from the top command during such a spike. What can I do to better diagnose the problem? Are there external tools I can use to find the source of the problem? I'm running FF 66.0.3 on an up-to-date Ubuntu 18.04.02, on a Lenovo T480s with an i7-8550u and 16G of memory. Can I provide any other useful information? Thanks!
Ama-screenshot ananyekiwe
Isicaphuno

Eminye Imininingwane Yohlelo

Isisebenziso

  • I-ejenti Engumsebenzisi: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:66.0) Gecko/20100101 Firefox/66.0

Eminye Imininingwane

FredMcD
  • Top 10 Contributor
4195 izisombululo 58545 izimpendulo
Kuphostiwe
Use these links to create a new profile. Use this new profile '''as is. ''' Is the problem still there? https://support.mozilla.org/en-US/kb/how-run-firefox-when-profile-missing-inaccessible http://kb.mozillazine.org/Profile_folder_-_Firefox#Navigating_to_the_profile_folder https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles Type '''about:profiles'''<enter> in the address bar.
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Isicaphuno

Umnikazi wombuzo

''FredMcD [[#answer-1216886|said]]'' <blockquote> Use these links to create a new profile. Use this new profile '''as is. ''' Is the problem still there? https://support.mozilla.org/en-US/kb/how-run-firefox-when-profile-missing-inaccessible http://kb.mozillazine.org/Profile_folder_-_Firefox#Navigating_to_the_profile_folder https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles Type '''about:profiles'''<enter> in the address bar. </blockquote> Yes
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Isicaphuno
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