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Sage-7.4.ova crashes my PC W10 64

asked 2017-03-09 21:42:15 -0500

ortollj gravatar image

updated 2017-04-19 11:38:50 -0500

FrédéricC gravatar image

When I open the VM version sage-7.4.ova with VirtualBox Graphical User Interface Version 5.1.16 r113841 (Qt5.6.2), this systematically crashes my PC W10 64.

 Time of this report: 3/10/2017, 04:37:22
         Machine name: TOSHIBAJPO
           Machine Id: {5206BD36-3F1F-4BB4-8E3F-40F9D8FB476A}
     Operating System: Windows 10 Famille 64-bit (10.0, Build 14393) (14393.rs1_release.161220-1747)
             Language: French (Regional Setting: French)
  System Manufacturer: TOSHIBA
         System Model: SATELLITE C70-B
                 BIOS: 1.10
            Processor: Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz (4 CPUs), ~2.2GHz
               Memory: 8192MB RAM
  Available OS Memory: 8108MB RAM
            Page File: 3123MB used, 6263MB available
          Windows Dir: C:\WINDOWS
      DirectX Version: DirectX 12
  DX Setup Parameters: Not found
     User DPI Setting: Using System DPI
   System DPI Setting: 144 DPI (150 percent)
      DWM DPI Scaling: UnKnown
             Miracast: Available, with HDCP

Microsoft Graphics Hybrid: Supported

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Exactly what did you download? This forum is for the Sage software - there is a sage-7.4.ova but not wise-7.4.ova, unless you are making a pun, maybe? It's possible that your VirtualBox is having problems but this is unfortunate that it crashes the PC, not just the virtual machine!

kcrisman gravatar imagekcrisman ( 2017-03-09 22:50:08 -0500 )edit

Sorry I used google translate ! and it translate sage in wise ! I did not realize

ortollj gravatar imageortollj ( 2017-03-11 00:40:59 -0500 )edit

It seems that I am the only one to encounter problems using (now Sage7.6.ova with Virtualbox) under OS W10? Would there be other people in my case? If not then it would mean that I have to look in my W10 configuration.

ortollj gravatar imageortollj ( 2017-04-20 04:15:15 -0500 )edit

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answered 2017-04-18 12:13:46 -0500

ortollj gravatar image

it is ok with VMware 12 workstation Sage7.6 W10. so it seems the problem comes from Oracle Virtualbox under W10 OS !

link text

But apart from that. Why does this very simple code produce this Python error ?. ( see the last image at the end of the post on microsoft community)

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Yes, we probably usually recommend VMWare.

kcrisman gravatar imagekcrisman ( 2017-04-20 06:03:32 -0500 )edit

I precise that people have to register to VMware if one wants to download the free version 12.5 (VMware-player-12.5.5 for the moment). beside that non-English people would encounter pb when they want to copy paste code from external of the VMware VM , when changing the keyboard with the method below:

method 3 for french (open teminal ) sudo nano /etc/sysconfig/keyboard


char are ok when input with keyboard but

then edit->VMwaremenu -> paste in sage.7.6 cells produces weird char ! this is not the case when one is in English copy paste is ok, (but is working in one way only, in contrary to Sage.7.6.ova used in Oracle Virtualbox (on W7 ! ) which has no problem of copy paste both ways (PC host <-> sage VM)

ortollj gravatar imageortollj ( 2017-04-20 08:48:55 -0500 )edit

answered 2017-04-18 14:47:38 -0500

eric_g gravatar image

You should add as a second argument to solve the variable(s) to solve for, which is x in your case:

sage: solve(x^2+3*x+2==0, x)
[x == -2, x == -1]

Type solve? for more details and examples.

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The above is an answer to the question raised in @ortollj answer: "Why does this very simple code produce this Python error ?"

eric_g gravatar imageeric_g ( 2017-04-18 14:49:24 -0500 )edit

Thank you eric_g

ortollj gravatar imageortollj ( 2017-04-19 00:54:34 -0500 )edit

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Asked: 2017-03-09 21:42:15 -0500

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Last updated: Apr 18