I am closing the webkit2gtk part of this bug.
It was mentioned that someone might set a virtual memory limit for their
entire system. I don't think setting that makes sense on a desktop and
it's my understanding that doing so will also break Java apps for a
similar reason.
To test the impact of this, I added this to my ~/.profile
ulimit -v 4000000
After logging out and logging back in, I was still able to run GNOME
Shell (although presumably the Captive Portal feature won't work). Any
webkit using apps won't work (and that includes Epiphany, gnome-control-
center, evolution, etc.).
At least the systemd journal records this basic error message:
org.gnome.Epiphany.desktop[12949]: FATAL: Could not allocate gigacage
memory with maxAlignment = 34359738368, totalSize = 103079215104.
.
The next upstream release of webkit2gtk will also add this to that error
message: "Make sure you have not set a virtual memory limit."
So the remaining task here is to provide a deja-dup update to all
supported Ubuntu releases so that we can safely provide webkit2gtk
security updates there.
** No longer affects: webkit2gtk (Ubuntu Bionic)
** Changed in: webkit2gtk (Ubuntu)
Status: Triaged => Invalid
** No longer affects: webkit2gtk (Ubuntu Xenial)
** No longer affects: webkit2gtk (Ubuntu Artful)
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https://bugs.launchpad.net/bugs/1751460
Title:
[regression] deja-dup-monitor crashed with SIGSEGV in
Gigacage::<lambda()>::operator()
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