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[Launchpad Bug Tracker <1246112@xxxxxxxxxxxxxxxxxx>]

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When a right click brings up a menu in just about ANY application, there
is a semi-random chance it will immediately semi-randomly select one of
the choices as if it were left clicked. I suspect a mouse driver is at
fault. It happened to me most recently with the openbox menu, logging me
out twice in a row and rthen rebooting me the third time around.

This is reported elsewhere on launchpad as a firefox 3.0 problem. It
most emphatically is NOT limited to firefox and most emphatically IS
current.. As in fully updated  (as of 2013 October 29) Saucy.  I
mistakenly posted in one of those threads, and got to thinking it really
ought to be posted under an appropriate title so the right people will
look at it. I couldn't find anything on this that didn't incorrectly
(assuming it is the same bug) describe it as a firefox bug.  So I'll
paste what I posted there here, with a few edits.  If a mod wants to
delete the other post or move this one, I have no objection.

Still happening after all these years. /me sighs.
I confirm this is still happening on Saucy. I've never had any *buntu in which it didn't happen. I suspect it is a mouse driver problem. Interesting that someone also had it on xp. I suspect that may be a red herring though. It is entirely possible that a xp or other windows has a similar problem and for a similar reason. I've only experienced this on *buntus. Not on pclinuxos. Not on Sabayon. Not on Salix. That could be coincidence, but I doubt it. It isn't just firefox. I just had it on Saucy trying to use the openbox menu. 3 times in a row. Twice it logged me out and the 3rd time it rebooted.

This a very lightweight system. Lighter than Lubuntu, lighter than plain
LXDE. I started with the 32 bit Saucy mini.iso and added xorg, openbox,
lightdm, lightdm-gtk-greeter, lxterminal, lxtask, firefox 24.0, 1
lxpanel with a clock, 7 launchers (or whatever LX chaps call them), and
a taskbar. I have the autostart (I forger which one, one of the ones
associated with login at any rate) set NOT to start pcmanfm and draw a
desktop. My "desktop" is merely a featureless gray, which I'll change to
green when I get around to it. When I want to look at the ~/Desktop
directory I do it with pcmanfm in detail view like I view any other
directory. I tweaked appearnce by editing the theme files directly. In
summary, it is about as light as a gui system can be. My cpu is an AMD
Athlon(tm) II X2 245 Processor and Ihave 4 gigs of RAM. Nothing amazing
but it certainly should be adequate for the software in question.
Everything is fully updated.

So, I suspect:

1 - There is a kind of quasi-randomness to this that makes it hard to
track down and leads people into spurious conclusions.

2 - While it is more likely to occur when some system resource, probably
cpu, is overstretched, it can still occur when load is quite low.
Firefox is probably associated with this a lot because it is a bit of
resource hog.

3 - This is probably a *buntu issue, or just possibly, a Debian issue.
Although I ran LMDE a while and I don't recall haveing it there. The
fellow who has it in xp probably experienced a different bug of the same
nature.

3 - It is most likely a mouse driver issue. Even if it isn't, it might
be easier to write a workaround into a mouse driver than to track the
actual problem. Could be as simple as making a right click equivalent to
right click and hold until a left click occurs.

4 - If there is a competition this has my vote for "most annoying *buntu bug of all time".
--------------
I hesitated to check the security box but I reasoned something that influences things in a way basic to all gui interfaces and can cause inadvertant choices to be made, and possibly not noticed, could quite conceivably be a security issue. For example, my most recent experience of this bug was on the openbox menu. What it I had an entry "sudo ufw disable" and had that command on the no-password list in my sudoers file? Or if it happened in settiny options options on some security related software? 
-----------
Redundant, but since you asked:
~$ lsb_release -rd
Description:	Ubuntu 13.10
Release:	13.10
-----------
BTW, I'm not sure how this is going to post my "name". If it seems a tad belligerent, it is because I was getting very frustrated trying to create a launchpad account, and it isn't directed at anyone here. I'll be glad to change it if someone wants me to and points out how to. Besides, it's legitimate name - my father was Korean and my mother was a command interpreter. ;)

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

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right click causes a random left click action immediatly
https://bugs.launchpad.net/bugs/1246112
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