Ubuntu :: Gnome-terminal: Floating Point Exception?
May 27, 2011
This is the first time I post a question on these forums My problem is as follows: I can't start gnome-terminal from the Applications->Accesories menu or from the Alt+F2 application launcher. I get a "Starting Terminal" in the task-bar that disappears after a few seconds and no terminal. I'm pretty sure there is something I did, but I can't really figure out what it is.
The things I've tried so far:
1. I used synaptic to remove and reinstall gnome-terminal. That didn't work
2. Started Xterm and tried to run "gnome-terminal". This is where it gets weird for me:
a. running the command as normal user I get a "Floating point exception" error and obviosly no terminal
b. when I do "sudo gnome-terminal" and enter the root password I get, as expected, a root terminal. I could live with that, but it's not ideal.
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Mar 12, 2010
games, specifically solitaire and gimp both have started returning a floating point exception fault.
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Feb 18, 2010
pidgin started crashing today for no apparent reason. It just shutdowns. No freezing or anything, it just goes away, disappears. From what I can say, there's no specific trigger for this, it can happen after 2 or 10 min after I started it. Once it even shutdown right 10seconds. I tried to run it from the terminal. When I do that, the only thing that appears before closing is
Code:
Floating point exception Anyone has an idea of what it can be? I made no upgrade to pidgin or libpurple recently. I made however an upgrade today of the following packages
Code:
Commit Log for Thu Feb 18 10:24:00 2010
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Jan 5, 2010
I am facing floating point exception issues in running top on some of my Red-Hat Linux servers
# top
6:45am up 476 days, 52 min, 4 users, load average: 0.00, 0.00, 0.00
109 processes: 108 sleeping, 1 running, 0 zombie, 0 stopped
Floating point exception
When I am executing the same command using strace or ltrace, its running fine.
# ls -lrt /usr/bin/top
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Jul 1, 2010
I am using a gateway server, 1st NIC eth0 which is acting as WAN (DHCP)and 2nd NIC acting LAN(static). I am using DHCP to assign IP to eth0 from a Wimax modem. I am also use it as a MAIL server (openmail), and as a DHCP server. My server is of RHEL and kernel version is 2.4.8.18-14 and DHCP client & server version - 30pl1-9. The prolem is whenever I run the command..
ifup eth0
getting the error...
Determining IP information for eth0.../ifup: line277: 23328 Floating point exception/sbin/dhclient ${DHCLIENTARGS} ${DEVICE}
so what should I do?? if I update the DHCP, would it be ok?
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Oct 14, 2010
I have been trying to convert a DVD9 to DVD5 using the following steps
1)Rip the DVD title(s) to harddisk with DVD:RIP in a project folder. This created VOB files of the the movie and the soundtrack you picked.
2)Concatenate (merge) the VOB files into one by running in a console: cat *.vob > movie.vob
3)demutliplex movie.vob and get the M2V and AC3 files out of there. tcextract -i movie.vob -t vob -x mpeg2 > movie.m2v
4)tcextract -i movie.vob -a 0 -x ac3 -t vob > movie.ac3
5)I then shrank the movie.m2v tcrequant -i movie.m2v -o shrinked.m2v -f 1.5
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Jan 9, 2011
I had fuzzy icons in system tray so before couple of days i installed some updates and after that i have floating point exception in ktorrent and virtualbox 2.6.34.7-0.7-desktop #1 SMP PREEMPT 2010-12-13 11:13:53 +0100 i686 athlon i386 GNU/Linux
nvidia 9500 GT
X.Org X Server 1.8.0
KDE 4.4.4
Here is the updates
nvidia-gfxG02-kmp-desktop-260.19.21_k2.6.34.0_12-19.1 Tue 04 Jan 2011 04:14:42 PM CET
x11-video-nvidiaG02-260.19.21-20.1
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Dec 7, 2009
I'm running CentOS 5.4.In the last three days I've started to get various cron errors:
/bin/sh: line 1: 7066 Segmentation fault /usr/local/scripts/cron.email.sshd.access/cron.email.sshd.access.pl
/bin/sh: line 1: 4822 Floating point exceptionsudo -u mobile getmail --quiet
Can't load '/usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi/auto/RRDs/RRDs.so'
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Then yesterday I rebooted, and all the other errors seemed to have disappeared for now, but, I am now getting:
/bin/sh: line 1: 23600 Segmentation fault sudo -u mobile getmail --quiet
I have setup cron to call getmail once every 3 minutes, and I get this error about 4-6 times an hour.
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May 1, 2010
I just Installed Xubuntu 10.04 and as I was using it, the panels dissapeared. I tried running xfce4-panel but I get a "floating point exception" message. what might be causeing this?
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Feb 1, 2011
why installing kde 4.6 from factory repos went wrong ? i used zypper dup with oss, non-oss and update repos for 11.3 to reset to default install and boot went ok :
this goes with the following package versions:
$ kded4 --version
Qt�: 4.6.3
KDE�: 4.4.4 (KDE 4.4.4) "release 3"
i'm using this x86 kernel :
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my problem : when i add factory repos (core and extra) for kde install of packages from yast is ok when switching system packages to these. but after reboot i have floating point exceptions and a black screen and can' t boot anymore. the only way out i found so far is to zypper dup to go back to kde 4.4.4
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Sep 9, 2010
I am dealing with money and I don't want it to show $.1, I'd rather it show $.10 Is there a way to change this in C++?
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May 10, 2011
I know it is wrong to use the "==" operator to compare the equality of two floating point numbers. Logically it would seem that if the "==" operator is not usable for floating point comparison, then the "<=" operator would also not be usable. Is this true? The lack of google search results on this topic made me think that it must be true. If that is true, then is it true that the only way to compare floats with <= or >= is with something like the code below? Code: bool smaller_than_or_equal(float a, float b) {
if ( fabs(a-b) < EPSILON){return true;}
else if (a < b) {return true;}
else {return false;}
} I think this is a general question, but if specifics are necessary, I am using the C++ language to code at the moment.
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Jun 5, 2011
I'm reading a book on assembly, and it talks a bit about the IEEE floating point format.
Quote:
To summarize, the following steps are used to convert a decimal number to IEEE single format: 1. The leading bit of the floating point format is 0 for a positive number and 1 for a negative number. 2. Write the unsigned number in binary. 3. Write the binary number in binary scientific notation f23.f22 ... f0 2^e, where f23 = 1. There are 24 fraction bits, but it is not necessary to write trailing 0's. 4. Add a bias of 127 to the exponent e. This sum, in binary form, is the next 8 bits of the answer, following the sign bit. (Adding a bias is an alternative to storing the exponent as a signed number.) 5. The fraction bits f22f21 ... f0 form the last 23 bits of the floating point number. The leading bit f23 (which is always 1) is dropped.
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May 1, 2010
Over the last few months there have been multiple updates and I am getting a list of things that no longer work or that cause my system to fail. I can no longer open a pdf in firefox. It says there is no application assigned to the task. I ran evince and tried to open a pdf file and received a "floating point" error message on the terminal screen I was working from.
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Feb 17, 2009
I put an SD card in a reader, got all the right signs from the kernel (SCSI device: sda; write-through; etc.)including its 2GB size.
When I try to mount /dev/sda1 I get 'floating point exception' as a response, and it won't mount.
I've never had that message returned from mount, and I can't find any reference to it.
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Apr 14, 2011
One of those odd things I learned the hard way is that if you are writing a shared object (library/.so) and any programs that will link to that library uses floating point numbers, the library must be compiled as if it uses floating point numbers. What that really means is, you need to declare at least one float in the source for the library or when the caller connects and tries to run code in the library, the process aborts.I end up putting a float pi (3.1415); in the code and getting an unused variable warning all the time. There has to be a simpler way, some flag to pass to g++ that says, "include floating point support even if you don't really need to."
p.s. Gosh I hope I remembered this correctly. I encountered this problem doing a multi-platform build for Windows and Linux. This COULD be a VC++ problem that I just carried into Linux by using the same source.
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Mar 17, 2011
Just updated WinFF to version 1.3.2-1.1. Since then it won't start up any more due to a floating point exeption. System: OpenSUSE 11.4 (x86) + KDE 4.6.0 Debug info:
WARNING] Out of OEM specific VK codes, changing to unassigned
[WARNING] Out of unassigned VK codes, assigning $FF
ERROR in LCL: TLRSObjectReader.SkipValue unknown valuetype
Creating gdb catchable error:
$080D1568
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I had the same error with earlier versions of WinFF in earlier versions of OpenSUSE. Then I could fix it by changing the KDE window styles. The error also occurs with the WinFF qt-version.
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Jun 28, 2011
I am getting error Fortran runtime error: Bad value during floating point read. How do I format negative sign?
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Apr 7, 2011
how to perform floating point operations in kernel? i answered that its impossible to perform floating point operations in kernel.but he is telling that its possible but with some feature to be added.can any body know about this perfectly??
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Jan 29, 2011
I have a .txt file with the format
0.01
0.04
0.07
...
0.83
I am wanting to load this into octave and perform operations on the data.
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May 15, 2010
My main problem right now is doing floating point arithmetic within a bash script, with variables.Right now I have a folder called "myExamples" with a script called "run_example" that runs with no issues.I plan to(1) create many folders inside [myExamples], that are named [example10] [example11]...each containing an identical copy of (run_example),(2) modify Line 172 of each copy of (run_example)...in one copy, it would be 3.00, the next copy would have 3.05, etc. (This part doesn't work!)How can use the available calculator bc code to do floating point operations?My code is below -
#!/bin/sh
# run from directory where this script is
cd `echo $0 | sed 's/(.*)/.*/1/'` # extract pathname
[code]...
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Mar 28, 2010
I have tried to learn how 64bit asm (nasm in my case) works and found, among the many disparate pieces of info on the net, a few vague inferences that floating point registers can be used for other purposes than what they are intended for, example: "64-bit Linux allows up to fourteen parameters to be transferred in registers (6 integer and 8 floating point)." This would be fantastic for string operations/manipulation (I have never used asm for floating-point operations), can anyone shed a bit of light?
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May 15, 2011
I have an Intel PRO 2200BG wireless card and can connect to my router when logging in via gdm (using Xubuntu.) No problems there, connection never drops, very reliable!
But I've since had the need to shutdown X and keep a simple terminal instance open but as soon as I stop gdm the connection to the router drops. Trying to connect via the terminal using wpa_supplicant has so far been unsuccessful.
I know for a fact I'm doing something wrong, just don't know what and would appreciate some help!
Some dumps:
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Dec 10, 2010
Linux-goers. I did some research on this, but I am still fairly new to Linux. In Ubuntu 10.10 (Maverick), I accidentally overwrote my "/bin/bash" file. Dude, using "sudo" with a small typo can work disasters. Bash is now broken in the Terminal (gnome-terminal). Terminal itself still works fine, technically, but bash is still hosed/broken. Here is what I did to try to fix it: Booted from Ubuntu 10.10 live CD. Mounted my Ubuntu partition and manually copied the good/fresh "bash" file onto my hard drive. Verified copy was successful. Didn't help, as you see. Reinstalled "gnome-terminal" using synaptic package manager. Tried to reinstall bash via synaptic, it failed with error, "E: /var/cache/apt/archives/bash_4.1-2ubuntu4_i386.deb: subprocess new pre-removal script returned error exit status 2"
In Terminal, all basic commands work as far as I can tell. ("ls", "pwd", navigation, etc.) Here are some problems:My "username@computername" does not display in the prompt; only the $ sign. Bash keyboard shortcuts such as uparrow and tab do not work. Instead, each inserts a key code. I can't even move the cursor left/right. Aliases (a function of bash and .bashrc) are broken, of course. My sanity level decreases when I use Terminal now. For what it's worth, even with "sudo" I get a "permission denied" error when trying to run Google Chrome! I read something about a ".bashrc" file being a possible problem, but I don't know how to make it work, or the file's proper locations in Ubuntu 10.10. Is there something I can do with a "make" or "apt-get install" command or something?? Could this simply be a permissions problem? Is the link to "/bin/bash", "/bin/sh", or a ".bashrc" file broken? Guide me, oh Linux gurus.
P.S. I always wondered what exactly bash was and how it was different from the basic terminal. LoL, this is an excellent way to demonstrate the difference, and I WANT IT BACK!
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Nov 6, 2010
I'm using 10.04, and gnome-terminal GNOME Terminal 2.30.2 . I have irssi running on screen session on remote host. And I've been struggling for quite many days to configure it to produce either visual feedback or ring terminal's bell when I receive a private message or one of those that are highlighted.
My compiz settings window in General tab has 'Audible bell' checked.
My GNOME terminal has 'Terminal bell' checked.
I also added 'set bell-style audible' to my ~/.inputrc
And I also tried to manually load pcspkr module into my kernel.
No of the above helped or at least I haven't been able to notice any difference.
I also used some commands for irssi to produce bell sign.
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Feb 10, 2011
I would like to determine what computers are currently connected to my access point/router via the command line in Linux.
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Jan 24, 2011
gnome-terminal from the Debian squeeze does not use the 'default_size_columns' and 'default_size_rows' from the /apps/gnome-terminal/profiles/Default/ folder of gconf.
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Mar 5, 2011
Is there a terminal emulator which works well in an Ubuntu desktop and provides the following features which Mac OS X's Terminal application has? Re-wrapping text when the window is resized.A Clear command which clears scrollback (as the shell clear does not) and does not clear the cursor's line (typically containing a prompt).
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Jul 21, 2010
Are x-terminal-emulator and gnome-terminal different in any way? I noticed when I when I put those commands in my terminal they both opened the gnome-terminal.
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Apr 29, 2010
In KDE's Konsole, I can do the following from the terminal:
dcop kwin KWinInterface currentDesktop
And it will tell me which desktop my terminal is connected to ( per [URL])
How can I determine what desktop number the current gnome terminal in a gnome session is connected to?
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