100% CPU usage in epoll_wait

[RX14]

While idling, rtorrent has 100% cpu usage, stuck in an epoll_wait loop identical to #580.

I've tested libcurl/7.67.0 and libcurl/7.68.0 and they both exhibit this issue, but libcurl/7.64.0 is fine.

I'm not sure which curl commit re-regressed this but unfortunately I don't have time to bisect.

[RX14]

Turns out I can be bothered to bisect it: https://github.com/curl/curl/commit/eb9a604f8d7db859555adc0ddacdabd1ed986106. Doesn't seem to do anything with conn->data though so I'm a bit lost.

[Micdu70]

@RX14 Did you find more info about this issue? I guess libcurl/7.73.0 still have this weird behavior with rtorrent... :'(

I linked libcurl/7.65.3 when compiling rtorrent and it seems to be fine (for now). 👍

[RX14]

Don't use rtorrent on any of my machines currently and don't have the time to test this unfortunately :(

I guess the lack of other people hitting this issue is telling, though.

[gstlouisgit]

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