The Precise Pangolin has reached end of life, so this bug will not be
fixed for that release
** Changed in: gcc-mozilla (Ubuntu Precise)
Status: Fix Committed => Won't Fix
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https:/
** Branch unlinked: lp:firefox
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https://bugs.launchpad.net/bugs/1471949
Title:
Firefox 39 crashes on startup or within a few seconds on Precise/x86
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This bug was fixed in the package gcc-4.8 - 4.8.5-4ubuntu3
---
gcc-4.8 (4.8.5-4ubuntu3) yakkety; urgency=medium
* Fix libjava testsuite with dejagnu 1.6, taken from the trunk.
* Fix PR rtl-optimization/68955, PR rtl-optimization/64557, taken from 4.9.
LP: #1471949.
* Bump st
** No longer affects: gcc-mozilla (Ubuntu Trusty)
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Title:
Firefox 39 crashes on startup or within a few seconds on Precise/x86
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** Also affects: gcc-4.8 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: firefox (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: gcc-4.8 (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: gcc-mozilla (Ubuntu Trusty)
** Also affects: gcc-mozilla (Ubuntu)
Importance: Undecided
Status: New
** Changed in: gcc-mozilla (Ubuntu)
Status: New => Invalid
** Changed in: gcc-mozilla (Ubuntu Precise)
Status: New => Fix Committed
** Changed in: gcc-mozilla (Ubuntu Precise)
Importance: Undecided
Which gcc version do the Mozilla developers use, because it seems as if their
builds of Firefox 39 do not crash right on startup or within a few seconds
thereafter.
Would it not be acceptable for the moment to drop back to using gcc 4.8.2, till
the bug introduced by gcc > 4.8.2 has been fixed?
In particular, the fix for
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64557 is the culprit
** Bug watch added: GCC Bugzilla #64557
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64557
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This is the change that breaks it:
https://github.com/gcc-
mirror/gcc/commit/60909e42fa18ff70f878aebee2cb39bbe9998847
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Title:
Firefox 39 crashes
Here's the disassembly from a good build with vanilla gcc 4.8.4. It's
basically identical, but it contains 3 extra instructions that are
missing from the broken build.
0xf57fe991 <+1729>: mov0xa0(%ebp),%edx
0xf57fe997 <+1735>: mov0x84(%esp),%esi // %esi now points to |pn|
0xf57f
Building with a vanilla gcc 4.8.4 does work though. It turns out that
the svn-updates.diff patch that is applied to our build of gcc
introduces the bug - so it's a regression between 4.8.4 and 4.8.5
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Note, this bug isn't fixed but we have worked around it by building
Firefox with -fno-tree-pre, which disables the optimization that breaks
it.
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Ti
Building Firefox with the gcc-4.8 package in trusty-updates also
produces the same broken build, so it's a regression between 4.8.2 and
our build of gcc 4.8.4
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Thanks for all infos..!
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https://bugs.launchpad.net/bugs/1471949
Title:
Firefox 39 crashes on startup or within a few seconds on Precise/x86
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Same problem on an up-to-date ubuntu trusty. Now I downgraded from
firefox:amd64 39.0+build5-0ubuntu0.14.04.1 back to
38.0+build3-0ubuntu0.14.04.1 and everything works again
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Hello, Chris.
Today the ppa:ubuntu-mozilla-security/ppa has brought me firefox
39.0+build5-0ubuntu0.12.04.2.
On Mint13 32-bit xfce, based on Ubuntu 12.04.5 32-bit, the reported problem
seems to have been solved.
Firefox 39.0 started up without crashing.
Thanks a lot for all your time and efforts
** Branch linked: lp:firefox
** Branch linked: lp:firefox/aurora
** Branch linked: lp:~mozillateam/firefox/firefox-beta.precise
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Title:
Firefox
The crash occurs because js::ScopeCoordinateName returns nullptr. The
only way it can do that is if |id| is zero at
http://hg.mozilla.org/releases/mozilla-
release/file/7665b8d4d51f/js/src/vm/ScopeObject.cpp#l96.
Unfortunately, it works fine in a debug build.
I added a "MOZ_RELEASE_ASSERT(!JSID_I
This broken build is also responsible for
https://bugzilla.mozilla.org/show_bug.cgi?id=1172059
** Bug watch added: Mozilla Bugzilla #1172059
https://bugzilla.mozilla.org/show_bug.cgi?id=1172059
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I've tried this now with binutils 2.24 from Trusty (which produced a
good build), and also the gold linker in Precise and I get the same
issue. So it looks like this is specific to the compiler.
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** Changed in: firefox (Ubuntu)
Status: New => Invalid
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Title:
Firefox 39 crashes on startup or within a few seconds on Precise/x86
To ma
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