Nearly a year later, this is still an immediate problem. For people
finding this bug via Google, the only fix I've found that cares about
security is to use Debian GNU/Linux instead of Ubuntu and `apt install
firefox-esr`. This works because the stable (Stretch) version of Debian
uses Firefox-ESR 5
In Bug 1697800 Seth Arnold points out that the upgrade tools are not in
a position to check architecture features before installation. While I
don't know the best (least worst?) solution, here are some ideas.
Option A) Compile the SSE2 parts of Firefox in a separate library and
place it in /usr/li
Seth writes, "running a known-insecure webbrowser is probably a bad
idea."
Agreed. Except I would say "definitely".
It's important that Ubuntu gets some sort of a fix soon. I've already
seen a person asking on a forum how to downgrade and being told to
install a third party package by hand. This
By the way, since this problem is already causing Ubuntu LTS systems to
break, it may make sense to implement a quick stopgap solution. One
possibility is to change the version of Firefox in 16.04 to "firefox-
esr" (Extended Support Release). While this release will only be
supported by Mozilla unt
Public bug reported:
As has been noted in Bug 1697800, Firefox now dies on machines which
Ubuntu still supports (i686). This is a critical problem as Firefox was
the only modern web browser that did not require the SSE2 extensions and
Ubuntu has committed to long term support for machines without
It looks like this has been in the works for awhile and Mozilla had
intended for Firefox to detect SSE2 support in the installer and in the
automatic updates. Of course, Ubuntu is skipping both of those.
https://bugzilla.mozilla.org/show_bug.cgi?id=1308167
It's urgent that this gets fixed. The
You can trigger a crash immediately on a machine without SSE2 by
running firefox 54 like so:
firefox https://www.quirksmode.org/html5/videos/big_buck_bunny.mp4
(Note that it must be an mp4 video. VP8 and Vorbis still work fine.)
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Spoke too soon. Firefox does still die of SIGILL, it just doesn't die
immediately. It is still choking on an SSE2 instruction, though, so
this is the same bug.
Thread 1 "firefox" received signal SIGILL, Illegal instruction.
0xb20eab29 in ?? () from /usr/lib/firefox/libxul.so
=> 0xb20ea
I tried the version the version just released,
54.0+build3-0ubuntu0.16.04.1, and it appears Firefox is working again
on a machine without SSE2. Thank you!
I don't see anything in 'apt changelog firefox' describing what was
done to fix it, though. Was it recompiled with different flags?
This isn't
Public bug reported:
I'm running Ubuntu 16.04 on an old laptop. Firefox used to work on
fine until I did an 'apt upgrade'.
Worked: 50.1.0+build2-0ubuntu0.16.04.1
Fails: 53.0.3+build1-0ubuntu0.16.04.2
The bug was a little tricky to track down since AppArmor was killing
firefox. I believe the App
*** This bug is a duplicate of bug 811516 ***
https://bugs.launchpad.net/bugs/811516
Hi Vej,
That bug is similar, but I don't think it's a duplicate. In the bug from
five years ago, the request is to make the Unknown Error less
intimidating by doing things like hiding the traceback.
To be cl
Public bug reported:
I used Deja Dup for the first time today.
I like that Deja Dup is usable by neophytes and newbies. Unfortunately,
when it fails, which it did for me, it leaves a rather sour impression.
In particular, I'm referring to Deja Dup's infamous "FAILED WITH AN
UNKNOWN ERROR" followe
I also have this bug, though on a multi-user system. I have one user who
likes to play "DJ" and leave her music running while another is working
at the console. Unfortunately, since PulseAudio pauses as soon as they
switch accounts they have decided to work around the problem by not
switching accou
Did this ever get fixed?
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https://bugs.launchpad.net/bugs/977804
Title:
Unity crashes when many windows are opened (intel_do_flush_locked
failed: No space left on device)
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