<div dir="ltr"><span style="font-family:arial,sans-serif;font-size:13px">Hi </span><div style="font-family:arial,sans-serif;font-size:13px">I just tested it on my Ubutu 13.04 (default kernel) , it is working .</div><div style="font-family:arial,sans-serif;font-size:13px">
<br></div><div style="font-family:arial,sans-serif;font-size:13px"><div>[30971.042909] Demonstrating module parameters</div><div>[30971.042913] ===============================</div><div>[30971.042915] myshort is a short integer: 1</div>
<div>[30971.042916] myint is an integer: 420</div><div>[30971.042918] mylong is a long integer: 9999</div><div>[30971.042919] mystring is a string: blah</div><div>[30971.042921] myintArray[0] = -1</div><div>[30971.042922] myintArray[1] = -1</div>
<div>[30971.042923] got 0 arguments for myintArray.</div><div>[30985.316843] Goodbye...</div><div>[30985.316847] ===============================</div><div>[31009.307672] Demonstrating module parameters</div><div>[31009.307675] ===============================</div>
<div>[31009.307676] myshort is a short integer: 1</div><div>[31009.307677] myint is an integer: 420</div><div>[31009.307678] mylong is a long integer: 9999</div><div>[31009.307678] mystring is a string: abcd</div><div>[31009.307679] myintArray[0] = -1</div>
<div>[31009.307680] myintArray[1] = -1</div><div>[31009.307680] got 0 arguments for myintArray.</div><div>[31020.217402] Goodbye...</div><div>[31020.217407] ===============================</div><div>[31027.604150] Demonstrating module parameters</div>
<div>[31027.604153] ===============================</div><div>[31027.604155] myshort is a short integer: 1</div><div>[31027.604157] myint is an integer: 420</div><div>[31027.604159] mylong is a long integer: 9999</div><div>
[31027.604160] mystring is a string: vectordefefe</div><div>[31027.604162] myintArray[0] = -1</div><div>[31027.604163] myintArray[1] = -1</div><div>[31027.604164] got 0 arguments for myintArray.</div><div>sudip@sudip-PC:~/modules$ uname -a</div>
<div>Linux sudip-PC 3.8.0-19-generic #29-Ubuntu SMP Wed Apr 17 18:16:28 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux</div><div>sudip@sudip-PC:~/modules$ lsb_release -a</div><div class="im"><div>No LSB modules are available.</div>
<div>Distributor ID:<span style="white-space:pre-wrap"> </span>Ubuntu</div><div>Description:<span style="white-space:pre-wrap"> </span>Ubuntu 13.04</div><div>Release:<span style="white-space:pre-wrap"> </span>13.04</div><div>
Codename:<span style="white-space:pre-wrap"> </span>raring</div><div><br></div><div>Regards</div><div>Sudip</div><div><br></div></div></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Sep 6, 2013 at 6:40 PM, Sudip Mukherjee <span dir="ltr"><<a href="mailto:sudipm.mukherjee@gmail.com" target="_blank">sudipm.mukherjee@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi <div>I just tested it on my Ubutu 13.04 (default kernel) , it is working .</div><div><br></div><div><div>
[30971.042909] Demonstrating module parameters</div><div>[30971.042913] ===============================</div>
<div>[30971.042915] myshort is a short integer: 1</div><div>[30971.042916] myint is an integer: 420</div><div>[30971.042918] mylong is a long integer: 9999</div><div>[30971.042919] mystring is a string: blah</div><div>[30971.042921] myintArray[0] = -1</div>
<div>[30971.042922] myintArray[1] = -1</div><div>[30971.042923] got 0 arguments for myintArray.</div><div>[30985.316843] Goodbye...</div><div>[30985.316847] ===============================</div><div>[31009.307672] Demonstrating module parameters</div>
<div>[31009.307675] ===============================</div><div>[31009.307676] myshort is a short integer: 1</div><div>[31009.307677] myint is an integer: 420</div><div>[31009.307678] mylong is a long integer: 9999</div><div>
[31009.307678] mystring is a string: abcd</div><div>[31009.307679] myintArray[0] = -1</div><div>[31009.307680] myintArray[1] = -1</div><div>[31009.307680] got 0 arguments for myintArray.</div><div>[31020.217402] Goodbye...</div>
<div>[31020.217407] ===============================</div><div>[31027.604150] Demonstrating module parameters</div><div>[31027.604153] ===============================</div><div>[31027.604155] myshort is a short integer: 1</div>
<div>[31027.604157] myint is an integer: 420</div><div>[31027.604159] mylong is a long integer: 9999</div><div>[31027.604160] mystring is a string: vectordefefe</div><div>[31027.604162] myintArray[0] = -1</div><div>[31027.604163] myintArray[1] = -1</div>
<div>[31027.604164] got 0 arguments for myintArray.</div><div>sudip@sudip-PC:~/modules$ uname -a</div><div>Linux sudip-PC 3.8.0-19-generic #29-Ubuntu SMP Wed Apr 17 18:16:28 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux</div><div>
sudip@sudip-PC:~/modules$ lsb_release -a</div><div class="im"><div>No LSB modules are available.</div><div>Distributor ID:<span style="white-space:pre-wrap"> </span>Ubuntu</div><div>Description:<span style="white-space:pre-wrap"> </span>Ubuntu 13.04</div>
<div>Release:<span style="white-space:pre-wrap"> </span>13.04</div><div>Codename:<span style="white-space:pre-wrap"> </span>raring</div><div><br></div></div></div><div>Regards</div><span class="HOEnZb"><font color="#888888"><div>
Sudip</div><div><br></div></font></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra">
<br><br><div class="gmail_quote">On Fri, Sep 6, 2013 at 4:47 PM, <span dir="ltr"><<a href="mailto:binoy.jayan@wipro.com" target="_blank">binoy.jayan@wipro.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div style="direction:ltr;font-size:10pt;font-family:Tahoma">Hi Srinivas,<br>
<br>
Thank you for the inputs. The modules works fine with the kernels that come with Ubuntu 10.04, 11.04, 12.04 and 12.10.<br>
But, we are supporting a product for every latest Ubuntu versions. So, I need to make it work with the kernel which comes with the distro alone.
<br>
So I cannot use a custom kernel from <a href="http://kernel.org" target="_blank">kernel.org</a>.<br>
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<div style="margin:0 0 2pt 0"><font face="Tahoma,sans-serif" size="1" color="#7F7F7F"><span style="font-size:8pt">Regards,</span></font></div>
<div style="margin:0 0 2pt 0"><font face="Tahoma,sans-serif" size="1" color="#404040"><span style="font-size:8pt"><b>Binoy Jayan</b></span></font></div>
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<div style="direction:ltr"><font face="Tahoma" color="#000000"><b>From:</b> Srinivas Ganji [<a href="mailto:srinivasganji.kernel@gmail.com" target="_blank">srinivasganji.kernel@gmail.com</a>]<br>
<b>Sent:</b> Friday, September 06, 2013 4:34 PM<div><br>
<b>To:</b> Binoy Jayan (WT01 - Manufacturing & Hi Tech)<br>
<b>Cc:</b> <a href="mailto:kernelnewbies@kernelnewbies.org" target="_blank">kernelnewbies@kernelnewbies.org</a><br>
<b>Subject:</b> Re: module_param does not work in Ubuntu 13.10 - Kernel 3.10.0-4<br>
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<div dir="ltr">I have also tested, build KO file using your C file, on my kernel and it is working fine. The kernel version is 3.2.11
<div><br>
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<div>Why don't you try any other kernel version and see whether you are getting same error or not? I guess, it works.</div>
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<div>Regards,</div>
<div>Srinivas G </div>
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<div class="gmail_quote">On Fri, Sep 6, 2013 at 10:22 AM, <span dir="ltr"><<a href="mailto:binoy.jayan@wipro.com" target="_blank">binoy.jayan@wipro.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi all,<br>
<br>
I use the kernel version "3.10.0-4" that came with Ubuntu distribution.<br>
When I compile the example module I got from LKMPG (hello-5.c) and try to load the driver by passing the module with the following command, it gives the following error:<br>
<br>
# insmod parameter.ko mystring="bebop"<br>
Error: could not insert module parameter.ko: Unknown symbol in module<br>
<br>
Error in dmesg:<br>
<br>
[ 3687.132110] parameter: Unknown parameter `mystring'<br>
<br>
However, if I insert the module without any parameters, it gets inserted just fine.<br>
<br>
# insmod parameter.ko<br>
<br>
I am attaching the source code for reference. Kindly let me know what could be done.<br>
<br>
Thanks,<br>
Binoy<br>
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Regards,<br>
Binoy Jayan<br>
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