<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:10px"><div id="yui_3_16_0_ym19_1_1481532354208_5861"><span id="yui_3_16_0_ym19_1_1481532354208_5882"><font id="yui_3_16_0_ym19_1_1481532354208_6076" size="2">Hi Kristof,</font></span></div><div id="yui_3_16_0_ym19_1_1481532354208_5859"><span id="yui_3_16_0_ym19_1_1481532354208_5860"><font id="yui_3_16_0_ym19_1_1481532354208_6078" size="2"> Yes I have compiled the EXT3 support into the kernel itself. But no luck yet!</font></span></div><div id="yui_3_16_0_ym19_1_1481532354208_5859"><span><font size="2"><br></font></span></div><div id="yui_3_16_0_ym19_1_1481532354208_5859"><span><font size="2">Regards,</font></span></div><div id="yui_3_16_0_ym19_1_1481532354208_5859"><span><font size="2">Amit.</font></span></div> <div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 10px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 16px;"> <div dir="ltr"><font size="2" face="Arial"> On Thursday, 8 December 2016 10:51 PM, Kristof Provost <kristof@sigsegv.be> wrote:<br></font></div> <br><br> <div class="y_msg_container">On 8 Dec 2016, at 15:59, Amit Mahadik wrote:<br clear="none">> Hi,<br clear="none">> I am trying to boot Linux kernel version 4.4.16 on custom ARM <br clear="none">> based development platform.I want to separate rootfs and kernel Image <br clear="none">> so that the size of my uImage is small. I followed the following <br clear="none">> steps.<br clear="none">> 1. Partitioned the SD card. It has 2 partition. First partition is <br clear="none">> formatted as vfat partition and has uImage (without rootfs). <br clear="none">> Second partition is formatted as ext3 and has the rootfs.2. I then <br clear="none">> changed the U-Boot (version 2011.05) bootargs Kernel command line: <br clear="none">> console=ttyS0,115200 noinitrd rw rootfstype=ext3 root=/dev/mmcblk0p2 <br clear="none">> rootwait mem=512M coherent_pool=4M no_console_suspend <br clear="none">> resume=/dev/mtdblock3.<br clear="none">><br clear="none">> However, while booting I get the following error <br clear="none">> Failed to create /dev/root: -2VFS: Cannot open root device "mmcblk0p2" <br clear="none">> or unknown-block(179,2): error -2<br clear="none">> I have also attached log for reference. Can anyone please point out <br clear="none">> what I may be missing?<br clear="none"><br clear="none">Well, your kernel finds the partition, but it’s still unable to open <br clear="none">the root device.<br clear="none">Did you remember to compile ext3 support into your kernel (so not as a <br clear="none">module)?<div class="yqt3710563078" id="yqtfd47117"><br clear="none"><br clear="none">Regards,</div><br clear="none">Kristof<br clear="none"><br clear="none">_______________________________________________<br clear="none">Kernelnewbies mailing list<br clear="none"><a shape="rect" ymailto="mailto:Kernelnewbies@kernelnewbies.org" href="mailto:Kernelnewbies@kernelnewbies.org">Kernelnewbies@kernelnewbies.org</a><br clear="none"><a shape="rect" href="https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies" target="_blank">https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies</a><div class="yqt3710563078" id="yqtfd58360"><br clear="none"></div><br><br></div> </div> </div> </div></div></body></html>