Having trouble partitioning SD card

jsherman10 — Mon, 23 May 2016 08:53:42 GMT

Hello, I currently just purchased an imx6q board and I'm trying to put Android 5.0.0 on it. I'm running into some difficulties trying to partition the SD card. When I run the mksdcard-android.sh on my SD card, I get the following errors ( I've made sure the card is unmounted (umount /dev/sdc) before I run the script):

1+0 records in

1+0 records out

1024 bytes (1.0 kB) copied, 0.000188717 s, 5.4 MB/s

Checking that no-one is using this disk right now ...

BLKRRPART: Device or resource busy

This disk is currently in use - repartitioning is probably a bad idea.

Umount all file systems, and swapoff all swap partitions on this disk.

Use the --no-reread flag to suppress this check.

Disk /dev/sdc: 29476 cylinders, 64 heads, 32 sectors/track

sfdisk: ERROR: sector 0 does not have an msdos signature

/dev/sdc: unrecognized partition table type

Old situation:

No partitions found

Warning: given size (28412) exceeds max allowable size (28372)

New situation:

Units = mebibytes of 1048576 bytes, blocks of 1024 bytes, counting from 0

Device Boot Start End MiB #blocks Id System

/dev/sdc1 0+ 15 16- 16383+ 83 Linux

/dev/sdc2 16 23 8 8192 83 Linux

/dev/sdc3 24 1103 1080 1105920 5 Extended

/dev/sdc4 1104 29515 28412 29093888 83 Linux

/dev/sdc5 24+ 535 512- 524287+ 83 Linux

/dev/sdc6 536+ 1047 512- 524287+ 83 Linux

/dev/sdc7 1048+ 1055 8- 8191+ 83 Linux

/dev/sdc8 1056+ 1061 6- 6143+ 83 Linux

/dev/sdc9 1062+ 1063 2- 2047+ 83 Linux

Warning: partition 4 extends past end of disk

Successfully wrote the new partition table

Re-reading the partition table ...

BLKRRPART: Device or resource busy

The command to re-read the partition table failed.

Run partprobe(8), kpartx(8) or reboot your system now,

before using mkfs

If you created or changed a DOS partition, /dev/foo7, say, then use dd(1)

to zero the first 512 bytes: dd if=/dev/zero of=/dev/foo7 bs=512 count=1

(See fdisk(8).)

Checking that no-one is using this disk right now ...

BLKRRPART: Device or resource busy

This disk is currently in use - repartitioning is probably a bad idea.

Umount all file systems, and swapoff all swap partitions on this disk.

Use the --no-reread flag to suppress this check.

Disk /dev/sdc: 29476 cylinders, 64 heads, 32 sectors/track

Old situation:

Units = mebibytes of 1048576 bytes, blocks of 1024 bytes, counting from 0

Device Boot Start End MiB #blocks Id System

/dev/sdc1 0+ 15 16- 16383+ 83 Linux

/dev/sdc2 16 23 8 8192 83 Linux

/dev/sdc3 24 1103 1080 1105920 5 Extended

/dev/sdc4 1104 29515 28412 29093888 83 Linux

/dev/sdc5 24+ 535 512- 524287+ 83 Linux

/dev/sdc6 536+ 1047 512- 524287+ 83 Linux

/dev/sdc7 1048+ 1055 8- 8191+ 83 Linux

/dev/sdc8 1056+ 1061 6- 6143+ 83 Linux

/dev/sdc9 1062+ 1063 2- 2047+ 83 Linux

New situation:

Units = mebibytes of 1048576 bytes, blocks of 1024 bytes, counting from 0

Device Boot Start End MiB #blocks Id System

/dev/sdc1 8 15 8 8192 83 Linux

/dev/sdc2 16 23 8 8192 83 Linux

/dev/sdc3 24 1103 1080 1105920 5 Extended

/dev/sdc4 1104 29515 28412 29093888 83 Linux

/dev/sdc5 24+ 535 512- 524287+ 83 Linux

/dev/sdc6 536+ 1047 512- 524287+ 83 Linux

/dev/sdc7 1048+ 1055 8- 8191+ 83 Linux

/dev/sdc8 1056+ 1061 6- 6143+ 83 Linux

/dev/sdc9 1062+ 1063 2- 2047+ 83 Linux

Warning: partition 4 extends past end of disk

Successfully wrote the new partition table

Re-reading the partition table ...

BLKRRPART: Device or resource busy

The command to re-read the partition table failed.

Run partprobe(8), kpartx(8) or reboot your system now,

before using mkfs

If you created or changed a DOS partition, /dev/foo7, say, then use dd(1)

to zero the first 512 bytes: dd if=/dev/zero of=/dev/foo7 bs=512 count=1

(See fdisk(8).)

Any thoughts?

Re: Having trouble partitioning SD card

b36401 — Thu, 26 May 2016 09:28:19 GMT

Please make sure that SD card was not automounted.

I mean that possibly when the script created fresh partition on SD card this partition was automounted with the system.

Please try to disable automount option on your PC.

Have a great day,

Victor

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