ARM Wiki sd-install update

[Nicholas Skaggs]

On 08/27/2012 11:29 AM, Elfy wrote:
> On 27/08/12 16:16, Nicholas Skaggs wrote:
>> On 08/27/2012 10:01 AM, Elfy wrote:
>>> On 20/08/12 23:46, Nicholas Skaggs wrote:
>>>>
>>>> For those of you braving ARM installations, I tried an sd-based 
>>>> installation this week and updated the instructions on the wiki 
>>>> page. Elfy, Carla, et la, I can confirm your findings of this bug(s):
>>>>
>>>> https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1036742
>>>> https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1036988
>>>> https://bugs.launchpad.net/ubuntu/+source/base-installer/+bug/313452
>>>>
>>>> and the workaround. It's documented for now on the page:
>>>>
>>>> https://wiki.ubuntu.com/ARM/QA/Pandaboard
>>>>
>>>> Thanks!
>>>> Nicholas
>>>>
>>>>
>>> Got today's .img
>>>
>>> Tried following the wiki to the letter.
>>>
>>> I am almost positive I am doing something wrong here :)
>>>
>>> I do *sudo umount /dev/sdd
>>>
>>> *I do *sudo dd bs=4M if=quantal-desktop-armhf+omap4.img of=/dev/sdd 
>>> ; sudo sync
>>>
>>> *It looks like it's doing something - terminal tells me it's done 
>>> something.
>>>
>>> If I try to just boot the image on the card without worrying about 
>>> installing it - left hand board led lights up only.
>>>
>>>
>>> File manager tells me there is exactly nothing on the card.
>>>
>>> Gparted tells me that there now no partitions on the card.
>>>
>>> Now - what I am not sure of is whether I have other bugs on this 
>>> 12.10 system I run causing all this lol
>>>
>>>
>> Elfy, what's 'sudo fdisk l' show.? /dev/sdd is your usb disk right? 
>> :-) And yes, after your run the dd command, the usb disk should have 
>> partitions on it and files..one is a boot partititon, athe other 
>> contains the installer and files.
>>
>> Nicholas
> Whoops - there's a blank one flying about too ...
>
> Anyway - this is fdisk/umount/dd and then fdisk again
>
>     sudo fdisk -l
>     [sudo] password for hob:
>
>     ...
>
>     Disk /dev/sdd: 7948 MB, 7948206080 bytes
>     245 heads, 62 sectors/track, 1021 cylinders, total 15523840 sectors
>     Units = sectors of 1 * 512 = 512 bytes
>     Sector size (logical/physical): 512 bytes / 512 bytes
>     I/O size (minimum/optimal): 512 bytes / 512 bytes
>     Disk identifier: 0x00000000
>
>        Device Boot      Start         End      Blocks   Id  System
>     hob at sidh:~$ sudo umount /dev/sdc
>     umount: /dev/sdc: not mounted
>     hob at sidh:~$ cd Desktop/
>     hob at sidh:~/Desktop$ sudo dd bs=4M
>     if=quantal-desktop-armhf+omap4.img of=/dev/sdd ; sudo sync
>     5+1 records in
>     5+1 records out
>     22740992 bytes (23 MB) copied, 1.93299 s, 11.8 MB/s
>     hob at sidh:~/Desktop$ sudo fdisk -l
>
>     ...
>
>     Disk /dev/sdd: 7948 MB, 7948206080 bytes
>     245 heads, 62 sectors/track, 1021 cylinders, total 15523840 sectors
>     Units = sectors of 1 * 512 = 512 bytes
>     Sector size (logical/physical): 512 bytes / 512 bytes
>     I/O size (minimum/optimal): 512 bytes / 512 bytes
>     Disk identifier: 0x00000000
>
>        Device Boot      Start         End      Blocks   Id  System
>     hob at sidh:~/Desktop$
>
>
>
>
>
>
You umounted /dev/sdc :-) You have to unmount a parition anyways, so it 
would be something like /dev/sdd1, etc. Try putting a partition on 
/dev/sdd , making sure you can mount it, and then issuing the dd 
command. Obviously it will be wiped by dd, but let's  confirm the disk 
is working.


Nicholas
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