https://community.nxp.com/t5/i-MX-Processors/An-error-is-always-reported-when-loading-ko-files/m-p/1476069#M191606 <P>Hi <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/202401">@mine233</a> ,</P><P>Looks like the USB driver was not built with the same source (and same configuration such as debug enabled/disabled ...) of running kernel or USB driver had been built at a moment before the running kernel was (re-)built.</P> Fri, 17 Jun 2022 14:44:39 GMT khang_letruong 2022-06-17T14:44:39Z https://community.nxp.com/t5/i-MX-Processors/An-error-is-always-reported-when-loading-ko-files/m-p/1475693#M191579 <P>I want to load the USB driver separately, so I take out the usb_wwan.c&nbsp; and option.c in imx-linux-kernel separately and compile them into modules. After normal compilation, .ko files can be generated, but errors are always reported when insmod is on the development board.</P><P>1.Error message of dmesg:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="mine233_0-1655437023667.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/183688i48B70A742BB4E24F/image-size/medium?v=v2&amp;px=400" role="button" title="mine233_0-1655437023667.png" alt="mine233_0-1655437023667.png" /></span></P><P>2.Kernel version of the development board:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="mine233_1-1655437094278.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/183689i6BE08207ED45E8F2/image-size/medium?v=v2&amp;px=400" role="button" title="mine233_1-1655437094278.png" alt="mine233_1-1655437094278.png" /></span></P><P>3.The Linux kernel version I downloaded from the IMX server is also IMX_ 5.4.70_ 2.3.0</P><P>4.The cross compiler uses gcc-arm-9.2-2019.12-x86_ 64-aarch64-none-linux-gnu. tar. xz</P><P>How to solve this problem</P><P>thank you</P> Fri, 17 Jun 2022 03:44:51 GMT https://community.nxp.com/t5/i-MX-Processors/An-error-is-always-reported-when-loading-ko-files/m-p/1475693#M191579 mine233 2022-06-17T03:44:51Z https://community.nxp.com/t5/i-MX-Processors/An-error-is-always-reported-when-loading-ko-files/m-p/1476069#M191606 <P>Hi <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/202401">@mine233</a> ,</P><P>Looks like the USB driver was not built with the same source (and same configuration such as debug enabled/disabled ...) of running kernel or USB driver had been built at a moment before the running kernel was (re-)built.</P> Fri, 17 Jun 2022 14:44:39 GMT https://community.nxp.com/t5/i-MX-Processors/An-error-is-always-reported-when-loading-ko-files/m-p/1476069#M191606 khang_letruong 2022-06-17T14:44:39Z