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by rukuu_001 3027 days ago
Are you on a Mac? Had same, but fixed it with some prefs changes. Before that FF was stuck at 8-10% CPU.
1 comments
paultopia 3027 days ago
YES YES what prefs changes were these? Please share!
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blt 3027 days ago
It is also happening to me. Big CPU usage spikes for no apparent reason. Sucks because I'm trying to reduce dependence on Google.
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rukuu_001 3026 days ago
Don't have exact URL, but google 'windowserver high CPU'. Fixing windowserver fixed FF too.
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paultopia 3026 days ago
Interesting. Some kind of animation/repainting thing? This bug[1] seems to be along those lines.

[1] https://bugzilla.mozilla.org/show_bug.cgi?id=1404042

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