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Firefox 64 doubling CPU temps with heavy CPU load

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CPU temps jump briefly from 33 C to 65 C , with attendant heavy processor load. Temps usually jump when a new web page is loaded, but occasionally jump when the browser is idle.

I am on the latest snapshot of the openSUSE Tumbleweed rolling distro (20190209), with Firefox 64. The problem started several snapshots ago (after mid-January).

The problem occurs in profiles with and without extensions.

I tried the troubleshooting steps at:

Any troubleshooting ideas will be appreciated. I'm now using another browser, but would prefer to return to Firefox.

All Replies (1)

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Same issue with Firefox 65.