[Webkit-unassigned] [Bug 257798] [GTK] Slow to create WebKitWebView (30 seconds delay) with sandbox

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=257798

--- Comment #14 from Michael Catanzaro <mcatanzaro at redhat.com> ---
(In reply to roded from comment #13)
> which has quite a lot of files.

Wow, what is going on here? That's a *lot* of subprocesses. I wish we had some way to identify what these all are. :/

> A big hang is in strace-follow-forks.log.166034:
> 
> 08:33:50 poll([{fd=3, events=POLLIN}, {fd=4, events=POLLIN}, {fd=8,
> events=POLLIN}], 3, 13934) = 0 (Timeout)
> 08:34:04 clock_gettime(CLOCK_MONOTONIC, {tv_sec=81405, tv_nsec=955074978}) =
> 0

That's the same hang we were looking at above. I was hoping there would be only a few other processes and that one of them would contain some sort of clue. Drat.

I'm not sure what to try next. sysprof will probably not reveal anything interesting, since the UI process is clearly blocked doing a poll().

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