busybox mkfs.vfat /dev/block/mmcblk0p19
Need to know the exact partition though - in my case mmcblk0p19. Then the /emmc mounted successfully.
My setup
1|shell@android:/ # cat proc/partitions cat proc/partitions major minor #blocks name 179 0 3866624 mmcblk0 179 1 20 mmcblk0p1 179 2 300 mmcblk0p2 179 3 133120 mmcblk0p3 179 4 1 mmcblk0p4 179 5 12288 mmcblk0p5 179 6 4096 mmcblk0p6 179 7 4096 mmcblk0p7 179 8 3072 mmcblk0p8 179 9 3072 mmcblk0p9 179 10 3072 mmcblk0p10 179 11 4096 mmcblk0p11 179 12 8192 mmcblk0p12 179 13 20480 mmcblk0p13 179 14 4096 mmcblk0p14 179 15 196608 mmcblk0p15 179 16 81920 mmcblk0p16 179 17 1048576 mmcblk0p17 179 18 1179648 mmcblk0p18 179 19 1155072 mmcblk0p19 179 32 31166976 mmcblk1 179 33 31162880 mmcblk1p1
shell@android:/ # ls -la /dev/block/mmcblk* ls -la /dev/block/mmcblk* brw------- root root 179, 0 2013-10-19 13:06 mmcblk0 brw------- root root 179, 1 2013-10-19 13:06 mmcblk0p1 brw------- root root 179, 10 2013-10-19 13:16 mmcblk0p10 brw------- root root 179, 11 2013-10-19 13:06 mmcblk0p11 brw------- root root 179, 12 2013-10-19 13:06 mmcblk0p12 brw------- root root 179, 13 2013-10-19 13:06 mmcblk0p13 brw------- root root 179, 14 2013-10-19 13:06 mmcblk0p14 brw------- root root 179, 15 2013-10-19 13:06 mmcblk0p15 brw------- root root 179, 16 2013-10-19 13:06 mmcblk0p16 brw------- root root 179, 17 2013-10-19 13:06 mmcblk0p17 brw------- root root 179, 18 2013-10-19 13:06 mmcblk0p18 brw------- root root 179, 19 2013-10-19 13:06 mmcblk0p19 brw------- root root 179, 2 2013-10-19 13:06 mmcblk0p2 brw------- root root 179, 3 2013-10-19 13:06 mmcblk0p3 brw------- root root 179, 4 2013-10-19 13:06 mmcblk0p4 brw------- root root 179, 5 2013-10-19 13:06 mmcblk0p5 brw------- root root 179, 6 2013-10-19 13:06 mmcblk0p6 brw-rw---- system system 179, 7 2013-10-19 13:06 mmcblk0p7 brw------- root root 179, 8 2013-10-19 13:06 mmcblk0p8 brw------- root root 179, 9 2013-10-19 13:06 mmcblk0p9 brw------- root root 179, 32 2013-10-19 13:06 mmcblk1 brw------- root root 179, 33 2013-10-19 13:06 mmcblk1p1
shell@android:/ # df df Filesystem Size Used Free Blksize /dev 313M 64K 313M 4096 /mnt/asec 313M 0K 313M 4096 /mnt/obb 313M 0K 313M 4096 /system 1007M 539M 467M 4096 /data 1G 983M 150M 4096 /cache 188M 6M 182M 4096 /cust 79M 17M 61M 4096 /mnt/sdcard 1G 80M 1G 4096 /mnt/sdcard2 29G 10G 19G 32768 /mnt/secure/asec 29G 10G 19G 32768 /mnt/asec/com.mxtech.videoplayer.ad-1 18M 16M 1M 512 /mnt/asec/com.opera.browser-2 17M 15M 1M 512 /mnt/asec/com.ichi2.anki-1 6M 4M 1M 512 /mnt/asec/com.coolbeans.ledtester-1 2M 28K 1M 512
shell@android:/ # mount mount rootfs / rootfs ro,relatime 0 0 tmpfs /dev tmpfs rw,nosuid,relatime,mode=755 0 0 devpts /dev/pts devpts rw,relatime,mode=600 0 0 proc /proc proc rw,relatime 0 0 sysfs /sys sysfs rw,relatime 0 0 none /acct cgroup rw,relatime,cpuacct 0 0 tmpfs /mnt/asec tmpfs rw,relatime,mode=755,gid=1000 0 0 tmpfs /mnt/obb tmpfs rw,relatime,mode=755,gid=1000 0 0 none /dev/cpuctl cgroup rw,relatime,cpu 0 0 /dev/block/mmcblk0p17 /system ext4 ro,relatime,user_xattr,barrier=1,data=ordered 0 0 /dev/block/mmcblk0p18 /data ext4 rw,nosuid,nodev,relatime,user_xattr,barrier=1,data=ordered 0 0 /dev/block/mmcblk0p15 /cache ext4 rw,nosuid,nodev,relatime,user_xattr,barrier=1,data=ordered 0 0 /dev/block/mmcblk0p16 /cust ext4 ro,relatime,user_xattr,barrier=1,data=ordered 0 0 /dev/block/vold/179:19 /mnt/sdcard vfat rw,dirsync,nosuid,nodev,noexec,relatime,uid=1000,gid=1015,fm ask=0002,dmask=0002,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors= remount-ro 0 0 /dev/block/vold/179:33 /mnt/sdcard2 vfat rw,dirsync,nosuid,nodev,noexec,relatime,uid=1000,gid=1015,f mask=0002,dmask=0002,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors =remount-ro 0 0 /dev/block/vold/179:33 /mnt/secure/asec vfat rw,dirsync,nosuid,nodev,noexec,relatime,uid=1000,gid=10 15,fmask=0002,dmask=0002,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,er rors=remount-ro 0 0 tmpfs /mnt/sdcard2/.android_secure tmpfs ro,relatime,size=0k,mode=000 0 0 /dev/block/dm-0 /mnt/asec/com.mxtech.videoplayer.ad-1 vfat ro,dirsync,nosuid,nodev,relatime,uid=1000 ,fmask=0222,dmask=0222,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0 /dev/block/dm-1 /mnt/asec/com.opera.browser-2 vfat ro,dirsync,nosuid,nodev,relatime,uid=1000,fmask=0 222,dmask=0222,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0 /dev/block/dm-2 /mnt/asec/com.ichi2.anki-1 vfat ro,dirsync,nosuid,nodev,relatime,uid=1000,fmask=0222 ,dmask=0222,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0 /dev/block/dm-3 /mnt/asec/com.coolbeans.ledtester-1 vfat ro,dirsync,nosuid,nodev,relatime,uid=1000,f mask=0222,dmask=0222,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0
1|shell@android:/ # fdisk /dev/block/mmcblk0p19
fdisk /dev/block/mmcblk0p19
The number of cylinders for this disk is set to 36096.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)
Command (m for help): p
p
Disk /dev/block/mmcblk0p19: 1182 MB, 1182793728 bytes
4 heads, 16 sectors/track, 36096 cylinders
Units = cylinders of 64 * 512 = 32768 bytes
Device Boot Start End Blocks Id System
Command (m for help):
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