i.MX ProcessorsのトピックHow to upgrade rootfs(ubifs) in linux https://community.nxp.com/t5/i-MX-Processors/How-to-upgrade-rootfs-ubifs-in-linux/m-p/925704#M138996 <HTML><HEAD></HEAD><BODY><P>hello, everyone:</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I have a custom board with imx6ull,&nbsp; there is four patition.</P><P>&nbsp; &nbsp; &nbsp; 1. uboot partition</P><P>&nbsp; &nbsp; &nbsp; 2. kernel partition</P><P>&nbsp; &nbsp; &nbsp; 3. dtb partition</P><P>&nbsp; &nbsp; &nbsp; 4. rootfs partition (ubifs)</P><P>&nbsp; &nbsp; &nbsp;now I need to upgrade this system when the system is running. but at this time, the /dev/mtd3 is already mounted by kernel. when I flash_erase this partition(rootfs), all the bins(executable programs) will be lost.&nbsp; and the status of /dev/ubi0_0 is "Device or resource busy" .</P><P>&nbsp; &nbsp; &nbsp;what am I supposed to do?&nbsp;</P></BODY></HTML> Wed, 16 Oct 2019 07:10:30 GMT guochgz 2019-10-16T07:10:30Z How to upgrade rootfs(ubifs) in linux https://community.nxp.com/t5/i-MX-Processors/How-to-upgrade-rootfs-ubifs-in-linux/m-p/925704#M138996 <HTML><HEAD></HEAD><BODY><P>hello, everyone:</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I have a custom board with imx6ull,&nbsp; there is four patition.</P><P>&nbsp; &nbsp; &nbsp; 1. uboot partition</P><P>&nbsp; &nbsp; &nbsp; 2. kernel partition</P><P>&nbsp; &nbsp; &nbsp; 3. dtb partition</P><P>&nbsp; &nbsp; &nbsp; 4. rootfs partition (ubifs)</P><P>&nbsp; &nbsp; &nbsp;now I need to upgrade this system when the system is running. but at this time, the /dev/mtd3 is already mounted by kernel. when I flash_erase this partition(rootfs), all the bins(executable programs) will be lost.&nbsp; and the status of /dev/ubi0_0 is "Device or resource busy" .</P><P>&nbsp; &nbsp; &nbsp;what am I supposed to do?&nbsp;</P></BODY></HTML> Wed, 16 Oct 2019 07:10:30 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-upgrade-rootfs-ubifs-in-linux/m-p/925704#M138996 guochgz 2019-10-16T07:10:30Z Re: How to upgrade rootfs(ubifs) in linux https://community.nxp.com/t5/i-MX-Processors/How-to-upgrade-rootfs-ubifs-in-linux/m-p/925705#M138997 <HTML><HEAD></HEAD><BODY><P>You can create another rootfs partition for upgrade.<BR />I mean you can make a small OS that can perform the upgrade of original rootfs and place it on separate one.</P></BODY></HTML> Thu, 17 Oct 2019 07:14:29 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-upgrade-rootfs-ubifs-in-linux/m-p/925705#M138997 b36401 2019-10-17T07:14:29Z