[Webkit-unassigned] [Bug 183348] REGRESSION(r222772): [GTK][WPE] WebProcess from WebKitGtk+ 2.19.9x SIGSEVs in WebKit::WebProcess::ensureNetworkProcessConnection() at Source/WebKit/WebProcess/WebProcess.cpp:1127
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sat Apr 21 20:04:43 PDT 2018
https://bugs.webkit.org/show_bug.cgi?id=183348
--- Comment #41 from Michael Catanzaro <mcatanzaro at igalia.com> ---
(In reply to Carlos Garcia Campos from comment #38)
> we are already using this in 2.20 without any issues so far.
Bug #184869 looks suspicious. I wonder if that is going to be an issue.
(In reply to Carlos Garcia Campos from comment #40)
> Because it doesn't really need platform ifdefs, this code depends on whether
> the connection is exiting in case of send sync message failure or not.
Indeed....
Anyway, to commit without ifdefs, you know you need to convince Alex, not me.
> It
> happens that only GTK and WPE change that setting in the web process to not
> exit in case of send sync failure, because we *need* to terminate the web
> process to ensure resources are properly freed. So, there are reasons for us
> to have a different behavior than other platforms, *not leaking resources*.
I'll ask again: what's the plan to free these hardware resources when the web process crashes? Seems like any application expecting the web process to never crash is not going to last very long.
> If there are more problems in the future we will fix them, but not fixing
> this only because other platforms don't need to terminate the web process
> this way doesn't make sense either. Note that not exiting on send sync
> failure makes the process termination more consistent/deterministic, because
> without it sometimes we finish on exit(0) and sometimes we don't, depending
> on when the connection is closed. I've had to debug that process several
> times since WebKit2, and others too (ask Miguel), and it's a pain.
That's a good point.
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