<div dir="ltr"><div>Root user and trying to acess physical ram reason. I wanted to know is there any limit for mmap through use space and how to override them. </div><div> </div><div>Krish </div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Fri, Apr 19, 2013 at 12:09 PM, Prabhu nath <span dir="ltr"><<a href="mailto:gprabhunath@gmail.com" target="_blank">gprabhunath@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">Is this address (0xB202E7000) a memory address or device address ?. R you working as privileged user or a normal user. ?<br><div class="gmail_extra"><div><div class="h5"><br><br><div class="gmail_quote">On Fri, Apr 19, 2013 at 11:50 AM, er krishna <span dir="ltr"><<a href="mailto:erkrishna@gmail.com" target="_blank">erkrishna@gmail.com</a>></span> wrote:<br>
<blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote"><div dir="ltr">Hi All,<div><br></div><div>I am trying to do mmap from user space program to fetch physical memory base address B202E7000 and size F0. But I am getting operation not permitted error. Any suggestion by which I can increase the privilage by sysctl to acess this reason ?</div>
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<div><br></div><div>Krishna</div></font></span></div>
<br clear="all"></blockquote></div><br></div></div><span class="HOEnZb"><font color="#888888">-- <br>Regards,<br>Prabhunath G<br>Linux Trainer<br>Bangalore<br>
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