I'm seeing this crash on a brand new Ubuntu 18.04 install running on KVM
(the host itself is on 16.04). When I connect via KVM's VNC and try to
open settings app, I get a 100% crash. It's weird because I haven't
installed any additional software.
Mar 18 22:42:11 riv18
I've attached the full logs I see. Can anyone tell me where to look for
more details?
** Attachment added: "ubuntu-logs"
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1766938/+attachment/5478029/+files/ubuntu-logs
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** Changed in: gnome-shell (Ubuntu)
Status: Incomplete => Invalid
** Changed in: mutter (Ubuntu)
Status: Incomplete => Invalid
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I no longer have access to the system in question, and haven't seen it
anywhere else, may as well close as abandoned.
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https://bugs.launchpad.net/bugs/1766938
Title:
I can't find any other reports of this crash. Is it still happening?
** Changed in: gnome-shell (Ubuntu)
Status: New => Incomplete
** Changed in: mutter (Ubuntu)
Status: New => Incomplete
** No longer affects: mutter (Fedora)
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Yes it's possible one of your icons uses 16-bit colour, and explains why
we don't see other/many reports of this crash.
In theory we should hit this problem more often, given that we have:
/usr/share/icons/hicolor/
and "high color" means 16-bit (or 15-bit). But apparently most icons in there
optimized out, alas. But:
(gdb) frame 9
#9 surface_from_pixmap (xdisplay=xdisplay@entry=0x56149472f000,
xpixmap=xpixmap@entry=31457330, height=,
width=) at x11/iconcache.c:325
325 return cairo_xlib_surface_create_with_xrender_format (xdisplay,
xpixmap, DefaultScreenOfDisplay
I would be curious to see the value of 'depth' in:
standard_pict_format_for_depth (int depth)
Maybe it's a valid but unusual value. Or maybe it's junk, so your theory
about memory corruption sounds plausible...
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Desktop
That's annoying. We should be able to retrace any crash from any package
versions. Seems like we've made reporting crashes more difficult than it
should be.
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Too late! The world has moved on, and I can no longer upload this bug:
You have some obsolete package versions installed. Please upgrade the
following packages and check if the problem still occurs:
libdb5.3, libplist3, libssl1.1, openssl
I guess if it happens on another machine, I'll upload
If you're coming from a 17.10 or older system then you will need to
apply the workaround from bug 994921 first.
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https://bugs.launchpad.net/bugs/1766938
Title:
Sure, sorry for uploading it wrong in the first place.
The new bug is ... uh... it didn't create one, it just went into the ether, in
a cloud of dots.
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