topic Re: Why is imx6dl board entering kernel panic on changing kernel command line? in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/Why-is-imx6dl-board-entering-kernel-panic-on-changing-kernel/m-p/983100#M146029 <HTML><HEAD></HEAD><BODY><P>how about the first command line? you can find the parameter meanings in the android user guide</P></BODY></HTML> Wed, 15 Jan 2020 08:30:28 GMT joanxie 2020-01-15T08:30:28Z Why is imx6dl board entering kernel panic on changing kernel command line? https://community.nxp.com/t5/i-MX-Processors/Why-is-imx6dl-board-entering-kernel-panic-on-changing-kernel/m-p/983097#M146026 <HTML><HEAD></HEAD><BODY><P>I'm using an imx6dl board with 1GB Ram and Android BSP</P><P>After running and updating register values after ddr calibration I flashed the new images but the board goes into panic and reboots.</P><P></P><P>this is the kernel command line</P><P></P><P>BOARD_KERNEL_CMDLINE := console=ttymxc0,115200 init=/init video=mxcfb0:dev=ldb,fbpix=RGB32,bpp=32 video=mxcfb1:off video=mxcfb2:off video=mxcfb3:off vmalloc=128M androidboot.console=ttymxc0 consoleblank=0 androidboot.hardware=freescale cma=448M galcore.contiguousSize=33554432 buildvariant=userdebug androidboot.selinux=permissive androidboot.dm_verity=disabled</P><P></P><P>when I change it to</P><P></P><P>BOARD_KERNEL_CMDLINE := console=ttymxc0,115200 init=/init video=mxcfb0:dev=ldb,fbpix=RGB32,bpp=32 video=mxcfb1:off video=mxcfb2:off video=mxcfb3:off vmalloc=128M androidboot.console=ttymxc0 consoleblank=0 androidboot.hardware=freescale cma=448M galcore.contiguousSize=33554432 </P><P></P><P>the board boots but continuous prints are seen on the console.</P><P></P><P>is there anything else I need to change?</P></BODY></HTML> Thu, 09 Jan 2020 05:31:25 GMT https://community.nxp.com/t5/i-MX-Processors/Why-is-imx6dl-board-entering-kernel-panic-on-changing-kernel/m-p/983097#M146026 sujay1 2020-01-09T05:31:25Z Re: Why is imx6dl board entering kernel panic on changing kernel command line? https://community.nxp.com/t5/i-MX-Processors/Why-is-imx6dl-board-entering-kernel-panic-on-changing-kernel/m-p/983098#M146027 <HTML><HEAD></HEAD><BODY><P>why did you remove "<SPAN style="color: #51626f; background-color: #ffffff;"><SPAN>&nbsp;</SPAN>buildvariant=userdebug androidboot.selinux=permissive androidboot.dm_verity=disabled</SPAN>"?&nbsp;</P></BODY></HTML> Mon, 13 Jan 2020 08:04:33 GMT https://community.nxp.com/t5/i-MX-Processors/Why-is-imx6dl-board-entering-kernel-panic-on-changing-kernel/m-p/983098#M146027 joanxie 2020-01-13T08:04:33Z Re: Why is imx6dl board entering kernel panic on changing kernel command line? https://community.nxp.com/t5/i-MX-Processors/Why-is-imx6dl-board-entering-kernel-panic-on-changing-kernel/m-p/983099#M146028 <HTML><HEAD></HEAD><BODY><P>It was just a trial and error based discovery. </P></BODY></HTML> Tue, 14 Jan 2020 08:15:14 GMT https://community.nxp.com/t5/i-MX-Processors/Why-is-imx6dl-board-entering-kernel-panic-on-changing-kernel/m-p/983099#M146028 sujay1 2020-01-14T08:15:14Z Re: Why is imx6dl board entering kernel panic on changing kernel command line? https://community.nxp.com/t5/i-MX-Processors/Why-is-imx6dl-board-entering-kernel-panic-on-changing-kernel/m-p/983100#M146029 <HTML><HEAD></HEAD><BODY><P>how about the first command line? you can find the parameter meanings in the android user guide</P></BODY></HTML> Wed, 15 Jan 2020 08:30:28 GMT https://community.nxp.com/t5/i-MX-Processors/Why-is-imx6dl-board-entering-kernel-panic-on-changing-kernel/m-p/983100#M146029 joanxie 2020-01-15T08:30:28Z