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I've tested Linux Mathematica versions 7-9 on various Linux distributions, with identical problem: after suspend/resume cycle my Manipulate controls (i.e. sliders&buttons) appear unresponsive, though I can enter the values manually. This looks much like this question, but before suspend I can use the controls normally, and if they stop working, restarting Mathematica also helps (killing and restarting math kernel doesn't help). Easy way to test this would be using this code:

Manipulate[Plot[a x, {x, -3, 3}, PlotRange -> {-1, 1}], {a, -1, 1}]

Then making the machine suspend to RAM, waiting 5 seconds and resuming it. If the controls still work (I rarely encounter such situation), second suspend does kill them.

Does anyone reproduce this problem? Are there any better workarounds than restarting Mathematica UI?

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I can confirm this on Ubuntu 13.04 and Mathematica 9 –  swish May 2 '13 at 16:37
Can confirm this bug on Ubuntu 12.04.02, 64 bit. –  Danvil May 10 '13 at 8:32
Confirm Mathematica 8.0.4 64bit. Fedora 16 and 18, Intel HD3000 card and nvidia card (official driver and nouveau), KDE 4. Also happens for mouse-controled Dynamic things like Slider and Locator. –  ssch May 16 '13 at 1:13

1 Answer 1

up vote 8 down vote accepted

I've also noticed this bug, although buttons/drop down menus do continue to work, for me only sliders become unresponsive after suspend (Ubuntu 12.10/Mathematica x86 64 bits).

A possible workaround is thus to change all parameter controls to buttons/dropdown menus by providing a finite list of values the parameter is allowed to take:

Manipulate[Plot[a x, {x, -3, 3}, PlotRange -> {-1, 1}], {a, Range[-2,2,.5]}

Let's hope someone at Wolfram notices this thread! Have you already filed a bug report?

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Yes, I've reported the bug and gave them a link to this question. –  Ruslan May 7 '13 at 17:18
Today I've received a reply from Wolfram Technical Support. They say this issue is known and being worked on. –  Ruslan May 29 '13 at 21:26

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