> You could test that theory by switching to a text terminal for running
the ‘context’ command (assuming the text-only terminal is still accessible
in Manjaro) and see whether the output of ‘context —help’ causes lag there
as well.

If I understand you correctly, here's what I've tried:
1. open firefox, open no webpages, so there's only one about:blank
2. ctrl+alt+2, login, `context --help`
3. (in the text interface) `htop`, firefox cpu usage rises to 100% after
~1s.


On Fri, 30 Oct 2020 at 10:07, Taco Hoekwater <taco@elvenkind.com> wrote:

>
>
> > On 30 Oct 2020, at 09:34, ntg@scorecrow.com wrote:
> >
> > Hi Sylvain,
> >
> > This bug tracker report <
> https://bugzilla.mozilla.org/show_bug.cgi?id=1599329> describes lagging /
> freezing (which are symptoms of excessive CPU usage, of course) for
> versions of Firefox from 70 to 74 inclusive on Manjaro. They also report
> Chromium seeing the same problem.
>
> This basically says it is a bug in the video driver.
>
> You could test that theory by switching to a text terminal for running the
> ‘context’ command (assuming the text-only terminal is still accessible in
> Manjaro) and see whether the output of ‘context —help’ causes lag there as
> well. Even a really, really crappy video driver should be able to handle
> the output stream in full-screen text mode, so if it still lags in that
> environment, that moves the needle toward a problem in ConTeXt (however
> unlikely Hans and I think that is).
>
> Best wishes,
> Taco
>
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