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<p>Hi Guys,</p>
<p><br>
</p>
<p>I am trying to use the st-draw tool but the cairo module is not present. (</p>
<div>ImportError: No module named cairo<span style="font-size: 12pt;">)</span></div>
<p></p>
<p><br>
</p>
<p>I tried to install it but to no avail till now.</p>
<p>Do you have a tip how to install this module?</p>
<p><br>
</p>
<p>Thanks in advance,</p>
<p>Lampros</p>
<p><br>
</p>
<br>
<br>
<div style="color: rgb(0, 0, 0);">
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> litmus-dev-bounces@lists.litmus-rt.org <litmus-dev-bounces@lists.litmus-rt.org> on behalf of litmus-dev-request@lists.litmus-rt.org <litmus-dev-request@lists.litmus-rt.org><br>
<b>Sent:</b> Sunday, January 1, 2017 11:00 AM<br>
<b>To:</b> litmus-dev@lists.litmus-rt.org<br>
<b>Subject:</b> litmus-dev Digest, Vol 59, Issue 1</font>
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Today's Topics:<br>
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1. Kernel Error (lambros bersentes)<br>
2. Re: Kernel Error (Meng Xu)<br>
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----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Sat, 31 Dec 2016 19:04:29 +0000<br>
From: lambros bersentes <lambrosbersentes118@hotmail.com><br>
To: "litmus-dev@lists.litmus-rt.org" <litmus-dev@lists.litmus-rt.org><br>
Subject: [LITMUS^RT] Kernel Error<br>
Message-ID:<br>
<VI1PR0901MB16131F5C2327FBE84FECBA51F46B0@VI1PR0901MB1613.eurprd09.prod.outlook.com><br>
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Content-Type: text/plain; charset="iso-8859-1"<br>
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Hi all,<br>
<br>
Thanks Bjorn for your reply.<br>
<br>
Well , i followed the instructions for installing the kernel first with following commands :<br>
<br>
1. make menuconfig<br>
2. make bzImage<br>
3. make modules<br>
<br>
What i find pretty peculiar is that after the installation of the modules i had to create manually following folders:<br>
/proc/litmus and /dev/litmus which i placed under liblitmus folder.<br>
<br>
My question is , am I supposed to do that or during the installation procedure these 2 folders should have been constructed automatically.<br>
<br>
? do have this file structure as you suggested in your email but i still get errors running some tools under liblitmus.<br>
<br>
Trying for example to run a task with the command rtspin 10 100 4 I get following error :<br>
<br>
init_kernel_iface: cannot open LITMUS^RT control page (No such file or directory)<br>
could not setup rt task params: Function not implemented<br>
<br>
My device has following kernel:<br>
<br>
uname --all<br>
<br>
Linux labros-Qosmio-F60 4.4.0-57-generic #78-Ubuntu SMP Fri Dec 9 23:50:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux<br>
<br>
I installed all the folders (rt_linux, liblitmus , ft-tools) under Desktop.<br>
<br>
How can I use the tools under liblitmus and ft-tools without having these incompatibilities?<br>
<br>
Thanks in advance,<br>
Lampros<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
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Message: 2<br>
Date: Sat, 31 Dec 2016 14:28:27 -0500<br>
From: Meng Xu <xumengpanda@gmail.com><br>
To: litmus-dev@lists.litmus-rt.org<br>
Subject: Re: [LITMUS^RT] Kernel Error<br>
Message-ID:<br>
<CAENZ-+=Kyfi-wmprB7T=ZPR9nG0TbEWYcRip4FtXjbP+SM-uQA@mail.gmail.com><br>
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On Sat, Dec 31, 2016 at 2:04 PM, lambros bersentes<br>
<lambrosbersentes118@hotmail.com> wrote:<br>
> Hi all,<br>
><br>
> Thanks Bjorn for your reply.<br>
><br>
> Well , i followed the instructions for installing the kernel first with<br>
> following commands :<br>
><br>
> 1. make menuconfig<br>
> 2. make bzImage<br>
> 3. make modules<br>
<br>
You have to install the kernel by<br>
sudo make modules_install install<br>
<br>
You also need to boot into litmus.<br>
<br>
><br>
> What i find pretty peculiar is that after the installation of the modules i<br>
> had to create manually following folders:<br>
> /proc/litmus and /dev/litmus which i placed under liblitmus folder.<br>
<br>
This will be created if you boot in litmus.<br>
<br>
><br>
> My question is , am I supposed to do that or during the installation<br>
> procedure these 2 folders should have been constructed automatically.<br>
><br>
> ? do have this file structure as you suggested in your email but i still get<br>
> errors running some tools under liblitmus.<br>
><br>
> Trying for example to run a task with the command rtspin 10 100 4 I get<br>
> following error :<br>
><br>
> init_kernel_iface: cannot open LITMUS^RT control page (No such file or<br>
> directory)<br>
> could not setup rt task params: Function not implemented<br>
<br>
Two reasons:<br>
1) It's not booted in LITMUS<br>
2) You should run under root user or sudo privilege.<br>
<br>
><br>
> My device has following kernel:<br>
><br>
> uname --all<br>
><br>
> Linux labros-Qosmio-F60 4.4.0-57-generic #78-Ubuntu SMP Fri Dec 9 23:50:32<br>
> UTC 2016 x86_64 x86_64 x86_64 GNU/Linux<br>
<br>
This confirmed it's not running LITMUS kernel.<br>
<br>
<br>
><br>
> I installed all the folders (rt_linux, liblitmus , ft-tools) under Desktop.<br>
><br>
> How can I use the tools under liblitmus and ft-tools without having these<br>
> incompatibilities?<br>
<br>
Please check LITMUS's wiki about how to install the kernel.<br>
If you followed it step by step, you should be able to do it very easily.<br>
<br>
Best,<br>
<br>
Meng<br>
<br>
><br>
> Thanks in advance,<br>
> Lampros<br>
><br>
><br>
><br>
><br>
><br>
><br>
><br>
><br>
><br>
><br>
> _______________________________________________<br>
> litmus-dev mailing list<br>
> litmus-dev@lists.litmus-rt.org<br>
> <a href="https://lists.litmus-rt.org/listinfo/litmus-dev" id="LPlnk784111" previewremoved="true">
https://lists.litmus-rt.org/listinfo/litmus-dev</a><br>
><br>
<br>
<br>
<br>
-- <br>
-----------<br>
Meng Xu<br>
PhD Student in Computer and Information Science<br>
University of Pennsylvania<br>
<a href="http://www.cis.upenn.edu/~mengxu/" id="LPlnk897965" previewremoved="true">http://www.cis.upenn.edu/~mengxu/</a>
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<a id="LPUrlAnchor_14835694549920.4048645038611367" href="http://www.cis.upenn.edu/~mengxu/" target="_blank" style="text-decoration: none;">Biography - University of Pennsylvania</a></div>
<div id="LPMetadata_14835694549920.6847052358794377" style="margin: 10px 0px 16px; color: rgb(102, 102, 102); font-weight: normal; font-family: wf_segoe-ui_normal, "Segoe UI", "Segoe WP", Tahoma, Arial, sans-serif; font-size: 14px; line-height: 14px;">
www.cis.upenn.edu</div>
<div id="LPDescription_14835694549930.7964011985607842" style="display: block; color: rgb(102, 102, 102); font-weight: normal; font-family: wf_segoe-ui_normal, "Segoe UI", "Segoe WP", Tahoma, Arial, sans-serif; font-size: 14px; line-height: 20px; max-height: 100px; overflow: hidden;">
I received the Master of Scinece in Engineering in Computer and Information Science at University of Pennsylvania in May 2013 and the Bachelor in Software Engineering ...</div>
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