topic eMMC Flash partition READ-WRITE from Read Only in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/eMMC-Flash-partition-READ-WRITE-from-Read-Only/m-p/748576#M116443 <HTML><HEAD></HEAD><BODY><P>Please find below details and query.</P><P>~ # fdisk -l</P><P>Disk /dev/mmcblk0: 116 MB, 116523008 bytes<BR />4 heads, 16 sectors/track, 3556 cylinders<BR />Units = cylinders of 64 * 512 = 32768 bytes</P><P>Device Boot Start End Blocks Id System<BR />/dev/mmcblk0p1 73 200 4096 83 Linux<BR />/dev/mmcblk0p2 201 328 4096 83 Linux<BR />/dev/mmcblk0p3 329 872 17408 83 Linux<BR />/dev/mmcblk0p4 873 3556 85888 5 Extended<BR />/dev/mmcblk0p5 877 1420 17408 83 Linux<BR />/dev/mmcblk0p6 1425 1488 2048 83 Linux<BR />/dev/mmcblk0p7 1493 1556 2048 83 Linux<BR />/dev/mmcblk0p8 1573 1668 3072 83 Linux<BR />/dev/mmcblk0p9 1673 1768 3072 83 Linux<BR />/dev/mmcblk0p10 1773 1836 2048 83 Linux<BR />/dev/mmcblk0p11 1841 1904 2048 83 Linux<BR />/dev/mmcblk0p12 1909 2196 9216 83 Linux<BR />/dev/mmcblk0p13 2201 2488 9216 83 Linux<BR />/dev/mmcblk0p14 2493 2940 14336 83 Linux<BR />/dev/mmcblk0p15 2945 3392 14336 83 Linux</P><P>The Partition /dev/mmcblk0p13 which is used for rootfs. But it is in Read-Only mode.</P><P>For debugging purpose, I need to change Read-Write permission for /dev/mmcblk0p13.</P><P>Can you please share the procedure to convert to Read-Write?</P><P>The Partition /dev/mmcblk0p13 which is based on squashfs.</P><P>~ # mount<BR />/dev/root on / type squashfs (ro,relatime)</P><P><BR />Please share your inputs.</P></BODY></HTML> Fri, 03 Nov 2017 11:55:35 GMT mselvara82 2017-11-03T11:55:35Z eMMC Flash partition READ-WRITE from Read Only https://community.nxp.com/t5/i-MX-Processors/eMMC-Flash-partition-READ-WRITE-from-Read-Only/m-p/748576#M116443 <HTML><HEAD></HEAD><BODY><P>Please find below details and query.</P><P>~ # fdisk -l</P><P>Disk /dev/mmcblk0: 116 MB, 116523008 bytes<BR />4 heads, 16 sectors/track, 3556 cylinders<BR />Units = cylinders of 64 * 512 = 32768 bytes</P><P>Device Boot Start End Blocks Id System<BR />/dev/mmcblk0p1 73 200 4096 83 Linux<BR />/dev/mmcblk0p2 201 328 4096 83 Linux<BR />/dev/mmcblk0p3 329 872 17408 83 Linux<BR />/dev/mmcblk0p4 873 3556 85888 5 Extended<BR />/dev/mmcblk0p5 877 1420 17408 83 Linux<BR />/dev/mmcblk0p6 1425 1488 2048 83 Linux<BR />/dev/mmcblk0p7 1493 1556 2048 83 Linux<BR />/dev/mmcblk0p8 1573 1668 3072 83 Linux<BR />/dev/mmcblk0p9 1673 1768 3072 83 Linux<BR />/dev/mmcblk0p10 1773 1836 2048 83 Linux<BR />/dev/mmcblk0p11 1841 1904 2048 83 Linux<BR />/dev/mmcblk0p12 1909 2196 9216 83 Linux<BR />/dev/mmcblk0p13 2201 2488 9216 83 Linux<BR />/dev/mmcblk0p14 2493 2940 14336 83 Linux<BR />/dev/mmcblk0p15 2945 3392 14336 83 Linux</P><P>The Partition /dev/mmcblk0p13 which is used for rootfs. But it is in Read-Only mode.</P><P>For debugging purpose, I need to change Read-Write permission for /dev/mmcblk0p13.</P><P>Can you please share the procedure to convert to Read-Write?</P><P>The Partition /dev/mmcblk0p13 which is based on squashfs.</P><P>~ # mount<BR />/dev/root on / type squashfs (ro,relatime)</P><P><BR />Please share your inputs.</P></BODY></HTML> Fri, 03 Nov 2017 11:55:35 GMT https://community.nxp.com/t5/i-MX-Processors/eMMC-Flash-partition-READ-WRITE-from-Read-Only/m-p/748576#M116443 mselvara82 2017-11-03T11:55:35Z