I looked at my coredump on trusty (it crashed for me twice already!)
with gdb and I see evidence that this crash might be due to
multithreading issues. The reason is that when inspecting memory at %rdx
(edge) and I see that a pointer at %rdx+0x48 (edge->first) doesn't match
with a pointer in %rcx (
I looked at the implementation of cairo-ft-font.c and it seems that
there are huge multi-threading violations in cairo. The reason is that
FreeType API documentation clearly states:
In multi-threaded applications, make sure that the same FT_Library
object or any of its children doesn't get accesse
** Also affects: cairo
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1199571
Title:
compiz crashed with SIGSEGV in af_latin_hints_compute_edges()
To mana
** Project changed: cairo => cairo (Ubuntu)
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https://bugs.launchpad.net/bugs/1199571
Title:
compiz crashed with SIGSEGV in af_latin_hints_compute_edges()
To manage notifications about
Public bug reported:
I wrote about this on kubuntu-devel and kubuntu-user, but maybe it's
better for it to be a proper bug report:
https://lists.ubuntu.com/archives/kubuntu-
devel/2014-February/007954.html
In short plasma can be easily crashed by clicking on "Show activities"
and then "Add widge
For reference, this is a fresh stack trace from a crash on Ubuntu 14.04.
** Attachment added: "plasma-desktop-20140308-120102.kcrash.txt"
https://bugs.launchpad.net/ubuntu/+source/qt4-x11/+bug/1289600/+attachment/4013131/+files/plasma-desktop-20140308-120102.kcrash.txt
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Scott, I have confirmed that the crash was fixed when it was in trusty-
proposed (sorry for not saying so back then). I also just checked with
my saucy vm, plasma with 4:4.8.4+dfsg-0ubuntu18.1 reconfirmed to crash
and (hurray!) plasma with 4:4.8.4+dfsg-0ubuntu18.2 confirmed NOT to
crash. Hope this
Just installed and tested precise. For whatever reason I couldn't
reproduce plasma-desktop crash with neither 4:4.8.1-0ubuntu4.6, nor
4:4.8.1-0ubuntu4.7, no matter how many times I switch between Activities
and Add widgets. Maybe there's something different about 12.04 that
makes it not crash like
Just tested quantal:
4:4.8.3+dfsg-0ubuntu3.2 crashes
4:4.8.3+dfsg-0ubuntu3.3 doesn't crash
** Tags added: verification-done-quantal
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https://bugs.launchpad.net/bugs/1289600
Title:
Fix
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