linaro-media-create fails with "Error: Partition(s) on /dev/sdc are being used. ./linaro-media-create: FAILED"

[Michael Hudson-Doyle]

mwh@grond:trunk$ sudo ./linaro-media-create --dev beagle --rootfs ext3 --mmc /dev/sdc --binary /home/mwh/Downloads/linaro-natty-headless-tar-20101202-1.tar.gz --hwpack /home/mwh/Downloads/hwpack_linaro-omap3_20101201-0_armel_supported.tar.gz

...

Cleaning up ...Done
---------------------------------------------------

Error: Partition(s) on /dev/sdc are being used.
./linaro-media-create: FAILED

Performing cleanup...

Umounting Partitions

I think the "Cleaning up ...Done" message is the last thing linaro-hwpack-install prints.

[Michael Hudson-Doyle (mwhudson)]

It works if you unmount the partitions before you run the script. This never used to be required, and gnome behaving the way it does, it was a useful feature.

[Guilherme Salgado (salgado)]

I thought this could be a regression introduced during the python
migration, but I've just reproduced the error on a pre-python-migration
branch (r166), so it doesn't look like it.

This is kind of expected, though, as l-m-c will use parted/sfdisk to
partition your disk unless you pass --no-part to it. And I don't
remember seeing any code in there to umount stuff before partitioning.
(FWIW, l-m-c raises a similar error if you use --no-part as it will try
to run mkfs on a mounted partition)

This is a trace of the failure:

+ for func in '$DEPLOY_STEPS'
+ create_partitions
+ '[' /dev/sdb ']'
+ sudo parted -s /dev/sdb mklabel msdos
Error: Partition(s) on /dev/sdb are being used.

 status triaged
 importance high

[Michael Hudson-Doyle (mwhudson)]

I wonder how it ever worked then :-) Still, it would be nice.

Cheers,
mwh