Options, methods or issues launching a Kernel instance

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Serious Startup Error code: 698

I had Mathematica v10.0.1, uninstalled and installed v10.4.1 on Win10 64x, and now keep getting this very strange serious startup error, any ideas how to resolve it? support is not answering :( P.S ...
2
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1answer
135 views

Alt+Gr issue with Mathematica 7 on linux

I have the same issue as described in https://matteochinazzi.wordpress.com/2010/04/12/mathematica-alt-gr-issue-under-linux/ So basically whenever I use AltGr to write [ or ] in Mathematica, it ...
11
votes
1answer
246 views

Cannot start multiple instances of Mathematica after upgrading to 10.4

Bug introduced in 10.4 and fixed in 10.4.1 I used to have no trouble opening multiple instances of the Mathematica notebook/kernel on Windows by right-clicking on the Mathematica icon in the task bar ...
6
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1answer
89 views

Handling Kernel start. What is a full initialization stack and what place the Autoload has there?

According to: tutorial/WolframSystemSessions Initialization On startup, the Wolfram Language kernel does the following: Performs license management operations. Runs Wolfram ...
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0answers
38 views

Mathematica freezing during Kernel intialization

Whenever I start Mathematica it freezes with kernel initialization. I have tried both deleting the paclet folders as well as updating the paclet folder but no avail. Kindly help me.
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0answers
330 views

Mathematica 10.4.0 hang on startup, killing WolframKernel fixes it

I just upgraded to Mathematica 10.4 (Site Home Use) on Ubuntu 15.10 (x86-64). After entering the activation key and clicking Activate, I got a message "Activation was successful", and then the window ...
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0answers
25 views

Smartest way to choose number of kernels? Which kernels are launched by `LaunchKernels`? [on hold]

Suppose you have something like below. hermMat is some hermitian matrix of dimensions {dim,dim} and ...
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1answer
82 views
9
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2answers
6k views

Mathematica sporadically crashes on open

Sometimes, when I open Mathematica, while the opening splash screen still says "Initializing Kernel Connections", Windows will tell me that "Wolfram Mathematica 9 has stopped working". This will ...
2
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1answer
222 views

Serious Startup Error: Error code 583

I can't start Mathematica 10.2 in Windows 8.1 64 bit, I'm getting this error even after I uninstalled and re-installed. I emailed support a couple fo days ago, but I'm yet to hear from them and I ...
16
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2answers
900 views

How to restart computation when kernels die?

When an important process needs to be kept alive, there are monitoring tools to restart them if they die (e.g. god tasks in ruby), in my case I have an overnight scraping task that I need to have done ...
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1answer
206 views

new kernel for notebook

I know I can create a new kernel for my notebook from the evaluation menu but is there a command for this? I'd really like some of my notebooks to startup their own kernel as the first line of code.
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1answer
84 views

Mathematica 10 not launching on Windows 8

I have been using Mathematica 10.0.2 in my laptop with Windows 8 and it was working fine. One day I would try to open it as usual but it would not launch (I'd click at its icon in the start menu and ...
2
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0answers
46 views

Share variables among notebooks with different Kernels

So I have a server running in another notebook with a secondary kernel. I run my main notebook and launch the server notebook, but I have configured the variables in my main one, and can't find a way ...
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0answers
44 views

Failure on simple remote kernel configuration

I have a remote machine in which I can run MathKernel and I want to use it to exploit its cpus on my front-end. Please note that this machine will run MathKernel using an interactive LSF queue, if ...
68
votes
2answers
14k views

Mathematica 10.0.x freezes in Initializing kernels

Bug caused by paclet update and fixed by paclet update. I updated to Windows 10 and have been running Mathematica fine on it for over a month. For some reason, it has just stopped working. I don't ...
4
votes
1answer
167 views

Kernels permanently consume 100% CPU

I have a problem with Mathematica kernels consuming 100% CPU, even when they seemingly idle: I start Mathematica (version 10.1.0 for Linux x86, 64 bit on Linux 2.6.32, server with 4 cores, 16 GB RAM). ...
5
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1answer
87 views

How to avoid kernel shutdown when importing a file

I am importing a CIF file and the Kernel shutdown (Mathematica 10). The only instruction is this Import["myfilename.cif"] I tried CheckAbort unsuccessfully. How can I catch the error and keep ...
2
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2answers
468 views

Mathematica not responding to clean start-up

I am currently running Linux (Ubuntu 14.04) and my copy of Mathematica suddenly started misbehaving. I am not sure what I did to invoke this. The splash screen when Mathematica is launched kept ...
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0answers
53 views

Using Import during initialization, i.e., in an init.m file

I am trying to import a list of directories from a file during initialization. I wrote a package that defines a function to import the file. When I test the function in a notebook or execute the ...
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0answers
28 views

Mathematica does not launch after RLink installation /Linux [duplicate]

Hei, I have a problem with Mathematica 10.0 launching after RLink installation. I am running Linux 3.2.0-4-amd64 #1 SMP Debian 3.2.68-1+deb7u3 x86_64 GNU/Linux Exactly what I did: Typed on ...
0
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0answers
34 views

Mathematica freezes upon opening at step “Initializing Kernels” [duplicate]

Similar threads offered no help. Also Mathematica gives me no other feedback on what this issue actually is; it just freezes at the step "Initializing Kernels" and never opens, even after hours of ...
0
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1answer
865 views

More Information About Solving Mathematica 10.0 Freezing Issue [duplicate]

I am aware now that Mathematica 10.0 is having difficulty with freezing during its startup while displaying the message "Initializing kernels..." The question is answered here: Mathematica 10.0.x ...
6
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1answer
381 views

Trial version 10 vs Version 10 Prerelease 13

When I open the new trial version (creation id 5099521; 10.0.30732.17750) I get these error messages and only a partial view of the "About" box I haven't run into any particular problem, except ...
2
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0answers
139 views

Mathematica hangs on “Initializing kernels…“ at startup [duplicate]

My Mathematica 10.0 doesn’t start anymore (hangs while “Initializing kernels…“). I already reduced the problem to the file pacletSiteData_10.pmd2 in ...
6
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2answers
133 views

Running MathKernel from Emacs brings cursor to end of line

When I start MathKernel from the Emacs shell, there are always extra spaces inserted so the cursor goes to the far right side of ...
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0answers
29 views

Distribute Definitions to different Evaluator

I would like to pass on a definition from one Kernel to the other. With that I mean manually configured Kernels. In this case, I do not want to use the inbuilt Parallelization options, in order to ...
2
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0answers
43 views

Call Remote Kernel from NETLink

Is it possible to run a remote kernel from NETLink in some way as suggested by the second method below: DoRemoteMathCommand? ...
4
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2answers
137 views

Running bits of code in a separate kernel

I am using Mathematica to generate 3D graphics frame for a video. The process goes as follows: Loop over a counter i Use ...
2
votes
1answer
82 views

Parallel kernels cannot launch: LinkOpen::linke error [closed]

I have been regularly using parallel kernels on my machine but this morning all I receive is a cryptic error whenever I call any parallel function (LinkOpen::linke). As far as I can see sequential ...
17
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1answer
566 views

Quit the Kernel and start new session automatically

The question is how to quit the kernel, start a new session automatically, and to be able to run such procedure from e.g. Button. This is especially useful when ...
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0answers
22 views

How to make lines not wrapping in text-mode Mathematica? [duplicate]

When running Mathematica from Unix command line, i.e. pure text mode, the lines wrap at about 70 pr 80 characters, creating lots of visual clutter. How do I set it so that any outputs will not wrap ...
3
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1answer
228 views

Setting up parallel remote kernels

I'm having trouble setting-up a parallel remote kernel. I have correctly set-up remote kernels and can use them instead of the local kernels, by executing tunnel.sh ...
4
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0answers
136 views

Possible Mathematica Bug? Blank Screen

I'm a student using Mathematica on a 2012 macbook pro with OS X Yosemite. Mathematica was running fine on my computer for a long time - one day, seemingly randomly, a blank screen started appearing ...
11
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2answers
1k views

Connecting to Raspberry Pi's Wolfram Language kernel from a PC's Mathematica front end

Recently I bought a Raspberry Pi and I installed the Wolfram Language on it. Comparing WL 10.0's commands with Mathematica 9.0.1.0's commands, I found 328 additional commands and variables. I ...
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0answers
159 views

What does this Java error mean? Why is it raised?

I want to launch some kernels on a cluster that uses SGE. The server's operating system is Linux Cent-OS. According to Mathematica documentation, I've added these commands inside my code: ...
5
votes
1answer
103 views

Changing MathKernel process priority on the startup

In the built-in Documentation there is an example how it is possible to change the priority of the MathKernel process using NetLink: ...
4
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1answer
102 views

what's the meaning of “-mathlink” as part of Arg for LinkLaunch?

LinkLaunch["MathKernel -mathlink"] LinkLaunch["MathKernel"] The both code line above can launch a MathKernel. What's the difference of them? what's the meaning of ...
33
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2answers
2k views

What information is sent to Wolfram Research when loading or working with Mathematica?

Recently I am told that information unknown to the user is sent to Wolfram Servers. Is there any truth behind it ? I was told that more than just an IP address of the user is sent to them and that ...
0
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0answers
311 views

How to resolve Start up error 502?

My Mathematica is not launching properly (I run it on Ubuntu 12.04 LTS). Here is the screenshot of the error message. I've tried the following suggestions : ...
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0answers
376 views

Cluster integration: Problem connecting to Sun Grid Engine

I'm trying to launch some kernels in a cluster engine running Sun Grid Engine using Cluster integration. But I'm getting the error "Cannot find components required for SGE". ...
1
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0answers
103 views

Multiple scripts run using same kernel

I have an external program that calls Mathematica scripts upon certain events. Each script requires a large Mathematica library to load (takes a while). Is there some way to run an initial script ...
3
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0answers
519 views

Remote kernel shuts down after several seconds

I have Mathematica 9 installed on two Windows Server 2008 R2 machines. Now i want to try using one of them as a frontend with local kernels and the other one for remote kernels. OpenSSH 6.5 for ...
3
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0answers
220 views

Launching Remote Kernels takes a lot of time

I recently played around with establishing a remote kernel setup without using mathematica grid. To do this I use the LaunchKernels[] command and ...
12
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1answer
796 views

How to run mathematica scripts without initializing the kernel every time

I have written a Mathematica script that is to be run periodically on a Raspberry Pi. The code takes about 3 seconds to execute if I test it in a CLI Mathematica session. However, when I execute the ...
0
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1answer
324 views

How to change the MATHEMATICA_USERBASE directory

I’ve found, from reading the help on MathKernel in the help system and in a number of questions here, that to make that change in Windows at least one apparently needs to enter “MathKernel … options” ...
15
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2answers
833 views

Using LaunchKernels to launch kernels with lower priorities

On windows the kernels launched with LaunchKernels are starred with "Below Normal" priority. Is there a way to start them with even lower priority (eg. "Idle")? ...
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1answer
205 views

How to use all the kernels efficiently

We build a project with Java and Mathematica technologies. For this project we have written a bunch of functions in Mathematica and integrated some functions in one ...
18
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1answer
2k views

How often does Mathematica contact its license server?

I know that Mathematica checks the validity of its license every time the program is launched. Say, however, that I have a valid license (which I do) and that I am running some code which takes a ...
6
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0answers
550 views

Remote Kernel - Error = MLECONNECT

Configuring a remote kernel with the Kernel Configuration Basic Options I manage to have a new kernel in the list of the kernel that I can open. However when I start the new kernel I get asked for the ...