sanjay, uEnv.txt should not have to change at all, content wise. Everything in this file just "tells" uboot where:
1) to load the kernel, and board file for the BBB 2) where the root file system is. 3) Lastly, optargs=quite means to be less verbose with kernel debug output ( I believe ) On Tue, Sep 16, 2014 at 11:38 AM, sanjay ahuja <[email protected]> wrote: > Basically what should be content of uEnv.txt if we are mounting external > SD card with partition type 'ext4'? > > > On Tuesday, September 16, 2014 11:43:15 PM UTC+5:30, sanjay ahuja wrote: >> >> Hi Robert, >> >> Do you have any pointer to steps for partitioning it as ext4. The link I >> followed specifically mentioned that partition type must be 'FAT'. The >> content of uEnv.txt as provided there is >> mmcdev=1 >> bootpart=1:2 >> mmcroot=/dev/mmcblk1p2 ro >> optargs=quiet >> >> Would it remain same if partition type is 'ext4' or some values would >> change? >> >> On Tue, Sep 16, 2014 at 8:58 PM, Robert Nelson <[email protected]> >> wrote: >> >>> On Tue, Sep 16, 2014 at 10:22 AM, sanjay ahuja >>> <[email protected]> wrote: >>> > Hi, >>> > >>> > I tried using microSD card as extra storage for my beaglebone black. I >>> > followed the steps as mentioned at >>> > http://elinux.org/Beagleboard:MicroSD_As_Extra_Storage. >>> > >>> > I was able to use mount microSD card successfully. However I am facing >>> some >>> > strange issue. >>> > >>> > when I do ls -lart on the mounted drive the permissions are >>> > >>> > drwx------ 5 root root 16384 Jan 1 1970 drive >>> > >>> > >>> > If I try chmod o+rx,g+rx /media/drive, to change the permissions, it >>> does >>> > not work. No error on issuing chmod command but permission does not get >>> > change. >>> > >>> > Infact I am not even able to change the user permission for any >>> executable >>> > file under directory 'drive'. >>> > >>> > For ex. >>> > bash-4.2# ls -lart /media/drive/jdk1.7.0_60/bin/java >>> > -rw-r--r-- 1 root root 5822 May 7 20:26 /media/drive/jdk1.7.0_60/bin/ >>> java >>> > >>> > bash-4.2# chmod u+x /media/drive/jdk1.7.0_60/bin/java >>> > >>> > bash-4.2# ls -lart /media/drive/jdk1.7.0_60/bin/java >>> > -rw-r--r-- 1 root root 5822 May 7 20:26 /media/drive/jdk1.7.0_60/bin/ >>> java >>> > >>> > Since 'x' permission is missing, I am not able to execute any binary >>> file. I >>> > am logged in as root user only. The jdk directory is expanded from jdk >>> > installer zip using command >>> > tar -xvf Downloads/jdk-7u60-linux-arm-vfp-sflt --owner root --group >>> root >>> > --no-same-owner. >>> > >>> > No issues are encountered if the jdk directory is expanded under home >>> > directory instead of SD card. >>> > >>> > The partition details for SD Card: >>> > >>> > Usage : Filesystem >>> > Partition type: W95 FAT16 (LBA) (0x0e) >>> > Type: FAT (16-bit version) >>> > Device: /device/mmcblk1p1 >>> > Mount Point: Mounted at /media/drive >>> >>> re-partition it as "ext4"... fat16 doesnt' support user permissions.. >>> >>> Regards, >>> >>> -- >>> Robert Nelson >>> http://www.rcn-ee.com/ >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to a topic in the >>> Google Groups "BeagleBoard" group. >>> To unsubscribe from this topic, visit https://groups.google.com/d/ >>> topic/beagleboard/BGri5BFH2W4/unsubscribe. >>> To unsubscribe from this group and all its topics, send an email to >>> [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
