https://community.nxp.com/t5/i-MX-Processors/e2label-bad-magic-number-in-superblock/m-p/335942#M45668 <HTML><HEAD></HEAD><BODY><P>Thanks for posting the answer in our communities as it will surely help other users having similar issues!</P></BODY></HTML> Thu, 11 Dec 2014 19:09:04 GMT gusarambula 2014-12-11T19:09:04Z https://community.nxp.com/t5/i-MX-Processors/e2label-bad-magic-number-in-superblock/m-p/335940#M45666 <HTML><HEAD></HEAD><BODY><P>Hello to everyone, thanks for having opportuinty to use i.MX, that is really great!</P><P></P><P>We're using mx6q and trying to build Android 4.2.2 from scratch basing on varwiki page but we stucked on creating bootable SD (<A href="http://variwiki.com/index.php?title=VAR-SOM-MX6_Android_GS_R21#Boot_From_MMC.2FSD_Card" title="http://variwiki.com/index.php?title=VAR-SOM-MX6_Android_GS_R21#Boot_From_MMC.2FSD_Card">http://variwiki.com/index.php?title=VAR-SOM-MX6_Android_GS_R21#Boot_From_MMC.2FSD_Card</A>)</P><P>There was need to modify mksdcard.sh because data partition was too large (fdisk stated that partition 4 is occuping more space than available), so we changed data_size variable to total_size - sum of all other partitions</P><P></P><P>When executing "sudo ./mksdcard.sh /dev/sdb mx6q" (sdb is sd card) there is error message and the end of script:</P><P>e2label bad magic number in superblock while trying to open /dev/sdb/5.</P><P><SPAN style="color: #545454; font-family: arial, sans-serif; font-size: small;">Couldn'</SPAN><SPAN style="color: #545454; font-family: arial, sans-serif; font-size: small;">t </SPAN><SPAN style="color: #545454; font-family: arial, sans-serif; font-size: small;">find</SPAN><SPAN style="color: #545454; font-family: arial, sans-serif; font-size: small;"> valid filesystem </SPAN><SPAN style="color: #545454; font-family: arial, sans-serif; font-size: small;">superblock.</SPAN></P><P></P><P>Here is log from rs223 debug port: <A href="http://jpst.it/uX6N" title="http://jpst.it/uX6N">U-Boot 2009.08.02-00698-g188d8b8 (sie 06 2014 - 08:26:25)... - justpaste.it</A></P><P></P><P>It ends with message "init: Unable to open persistent property directory /data/property errno: 2" and on LCD we see open Android with red exclamation mark.</P><P></P><P>Can you suggest us what we did wrong?</P></BODY></HTML> Tue, 09 Dec 2014 12:23:51 GMT https://community.nxp.com/t5/i-MX-Processors/e2label-bad-magic-number-in-superblock/m-p/335940#M45666 krzysztofsza_ac 2014-12-09T12:23:51Z https://community.nxp.com/t5/i-MX-Processors/e2label-bad-magic-number-in-superblock/m-p/335941#M45667 <HTML><HEAD></HEAD><BODY><P>Found the problem by myself. We messed up with bootloader configuration - when choosing proper command ("make ARCH=arm mx6q_var_som_android_config # VAR-SOM-MXQ/D, boot from MMC") it's working.</P></BODY></HTML> Thu, 11 Dec 2014 07:15:41 GMT https://community.nxp.com/t5/i-MX-Processors/e2label-bad-magic-number-in-superblock/m-p/335941#M45667 krzysztofsza_ac 2014-12-11T07:15:41Z https://community.nxp.com/t5/i-MX-Processors/e2label-bad-magic-number-in-superblock/m-p/335942#M45668 <HTML><HEAD></HEAD><BODY><P>Thanks for posting the answer in our communities as it will surely help other users having similar issues!</P></BODY></HTML> Thu, 11 Dec 2014 19:09:04 GMT https://community.nxp.com/t5/i-MX-Processors/e2label-bad-magic-number-in-superblock/m-p/335942#M45668 gusarambula 2014-12-11T19:09:04Z