Are you partitioning your SD card? You should be using ext3 partition for Android FS and VFAT for u-Boot/Bootloader
- Akash On Tue, May 18, 2010 at 6:55 AM, Deva R <[email protected]> wrote: > > > There are no mmc paritions listed when u boot., only nand paritions are > available.., > can u share complete bootlog? > >>setenv bootargs root=/dev/block/mmcblk0p1 rw init=/init >>console=ttySAC0,115200 > >>1f00 256 mtdblock0 (driver?) >>1f01 15104 mtdblock1 (driver?) >>1f02 1033216 mtdblock2 (driver?) > > > On Tue, May 18, 2010 at 12:29 PM, Weber <[email protected]> wrote: >> >> Hi >> I want to boot my android system from SD card >> and I follow the post, >> >> http://groups.google.com/group/android-porting/browse_thread/thread/c43ce3c3a56bae84/b1ecc9460bea6e33?lnk=gst&q=booting+from+sd# >> >> In the post abhishek srivastav said : >> >> Please make sure that you follow following steps for booting Android >> from SD >> card. >> >> -Your bootargs<boot parameters in bootloader> should be set to SD >> card. <<<< >> -For booting Android from SD card your SD card should be formatted in >> ext2 >> format. >> -Copy the following files/directory from *out/target/product/generic* >> * >> * >> *cp -a root/* <SDCARD> >> *cp -a data/* <SDCARD> >> cp -a system/* <SDCARD> >> >> I just want to mount sd card as my rootfs ,so I follow the steps ,but >> it can not mount ,complaint that : >> VFS: Cannot open root device "block/mmcblk0p1" or unknown-block(2,0) >> Please append a correct "root=" boot option; here are the available >> partitions: >> 1f00 256 mtdblock0 (driver?) >> 1f01 15104 mtdblock1 (driver?) >> 1f02 1033216 mtdblock2 (driver?) >> Kernel panic - not syncing: VFS: Unable to mount root fs on unknown- >> block(2,0) >> Kernel panic - not syncing: VFS: Unable to mount root fs on unknown- >> block(2,0) >> >> BTW,I use uboot ,and my boot args are: >> setenv bootargs root=/dev/block/mmcblk0p1 rw init=/init >> console=ttySAC0,115200 >> >> Could anyone tell me how to do ? >> >> Thanks >> ---Weber >> >> -- >> unsubscribe: [email protected] >> website: http://groups.google.com/group/android-porting > > -- > unsubscribe: [email protected] > website: http://groups.google.com/group/android-porting > -- unsubscribe: [email protected] website: http://groups.google.com/group/android-porting
