i.MX ProcessorsのトピックRe: Unable to handle kernel NULL pointer dereference at virtual address 00000003 - i.MX6Q https://community.nxp.com/t5/i-MX-Processors/Unable-to-handle-kernel-NULL-pointer-dereference-at-virtual/m-p/517494#M84050 <HTML><HEAD></HEAD><BODY><P>Hi Szymon</P><P></P><P>this may be due to ddr errors, for example using incorrect (for other board)</P><P>image. Also Kernel 3.10.17 is quite old. One can ask Compulab</P><P>support for better last kernel for used board</P><P><A href="http://www.compulab.co.il/support/compulab-support/" title="http://www.compulab.co.il/support/compulab-support/">Welcome to CompuLab Support | CompuLab</A> </P><P></P><P>Best regards</P><P>igor</P><P>-----------------------------------------------------------------------------------------------------------------------</P><P>Note: If this post answers your question, please click the Correct Answer button. Thank you!</P><P>-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 09 Jun 2016 12:34:16 GMT igorpadykov 2016-06-09T12:34:16Z Unable to handle kernel NULL pointer dereference at virtual address 00000003 - i.MX6Q https://community.nxp.com/t5/i-MX-Processors/Unable-to-handle-kernel-NULL-pointer-dereference-at-virtual/m-p/517493#M84049 <HTML><HEAD></HEAD><BODY><P>Hi ,</P><P>we use this CPU i.MX6Q - on module CM-FX6 from Compulab.</P><P>Kernel 3.10.17 </P><P>When use command "cat /dev/uradom &gt; /dev/null" after few seconds shows errors up </P><P></P><P><EM><STRONG style="color: #e23d39; font-size: 12px; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', monospace, serif;">Unable to handle kernel NULL pointer dereference at virtual address 00000003</STRONG></EM></P><P>...</P><P>(link to pastebin below with full error description) :</P><P><A href="http://pastebin.com/wqZzxAfX" title="http://pastebin.com/wqZzxAfX">cat /dev/urandom &gt; /dev/null - Pastebin.com</A> </P><P></P><P>How to solve this problem with kernel error ?</P></BODY></HTML> Thu, 09 Jun 2016 06:30:05 GMT https://community.nxp.com/t5/i-MX-Processors/Unable-to-handle-kernel-NULL-pointer-dereference-at-virtual/m-p/517493#M84049 szymonstepniews 2016-06-09T06:30:05Z Re: Unable to handle kernel NULL pointer dereference at virtual address 00000003 - i.MX6Q https://community.nxp.com/t5/i-MX-Processors/Unable-to-handle-kernel-NULL-pointer-dereference-at-virtual/m-p/517494#M84050 <HTML><HEAD></HEAD><BODY><P>Hi Szymon</P><P></P><P>this may be due to ddr errors, for example using incorrect (for other board)</P><P>image. Also Kernel 3.10.17 is quite old. One can ask Compulab</P><P>support for better last kernel for used board</P><P><A href="http://www.compulab.co.il/support/compulab-support/" title="http://www.compulab.co.il/support/compulab-support/">Welcome to CompuLab Support | CompuLab</A> </P><P></P><P>Best regards</P><P>igor</P><P>-----------------------------------------------------------------------------------------------------------------------</P><P>Note: If this post answers your question, please click the Correct Answer button. Thank you!</P><P>-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 09 Jun 2016 12:34:16 GMT https://community.nxp.com/t5/i-MX-Processors/Unable-to-handle-kernel-NULL-pointer-dereference-at-virtual/m-p/517494#M84050 igorpadykov 2016-06-09T12:34:16Z