cloned sd card is not booting

Robert Moskowitz rgm at htt-consult.com
Wed Aug 6 04:14:07 UTC 2014


On 08/05/2014 11:50 PM, JD wrote:
> Install liveusb-creator-3.12.0-1.fc20.noarch.rpm
>
> and create a launch icon for it on the desktop (if you  like)
> and launch it from there.
> It will prompt you for the source of the ISO file
> and will ask you for the destination, if there is more than
> one usb drive target.
>
> I have used it without fail !!!

Great, but I do not have an ISO file.  I laboriously built the card 
starting with a xzcat through configuring stuff after the 1st boot. So I 
guess the first step is how to make an ISO of the existing drive...

>
>
> On Tue, Aug 5, 2014 at 9:44 PM, Robert Moskowitz <rgm at htt-consult.com> wrote:
>> This is a Fedora arm problem, but probably more experience with dd and sd
>> cards here...
>>
>> SO I boot my Cubieboard2 from microSD.  I grabbed 8 16GB cards from the bin
>> at the MicroCenter checkout counter.  They work fine for building F21 arm
>> boots, but I am getting far enough into the process that if I do something
>> wrong, I don't want to go all the way back to the beginning.  I rather clone
>> the card, play around, and soforth. So I tried using:
>>
>> sudo dd if=/dev/sdb of=/dev/sdc bs=4096 conv=notrunc,noerror; sync
>>
>> the target sd card has been previously use.  The copy fails in use as
>> follows:
>>
>>           Mounting Configuration File System...
>> [  OK  ] Mounted Configuration File System.
>> [  OK  ] Found device
>> /dev/disk/by-uuid/1dc878de-92d2-4a66-b352-f055a32473b9.
>> [  OK  ] Started dracut initqueue hook.
>> [  OK  ] Started Show Plymouth Boot Screen.
>> [  OK  ] Reached target Paths.
>> [  OK  ] Reached target Basic System.
>>           Starting dracut pre-mount hook...
>> [  OK  ] Reached target Remote File Systems (Pre).
>> [  OK  ] Reached target Remote File Systems.
>>           Starting File System Check on
>> /dev/disk/by-uuid/1dc8...f055a32473b9...
>> [   13.911063] systemd-fsck[368]: _/: The filesystem size (according to the
>> superblock) is 3587707 blocks
>> [  OK  ] Started dracut pre-mount hook.
>> [   13.919598] systemd-fsck[368]: The physical size of the device is 3548795
>> blocks
>> [   13.937109] systemd-fsck[368]: Either the superblock or the partition
>> table is likely to be corrupt!
>> [   13.944962] systemd-fsck[368]: _/: UNEXPECTED INCONSISTENCY; RUN fsck
>> MANUALLY.
>> [   13.950853] systemd-fsck[368]: (i.e., without -a or -p options)
>> [  OK  ] Started File System Check on
>> /dev/disk/by-uuid/1dc87...2-f055a32473b9.
>>           Mounting /sysroot...
>> [   14.483857] random: nonblocking pool is initialized
>> [   14.571964] EXT4-fs (mmcblk0p3): bad geometry: block count 3587707
>> exceeds size of device (3548795 blocks)
>> [FAILED] Failed to mount /sysroot.
>> See 'systemctl status sysroot.mount' for details.
>> [DEPEND] Dependency failed for Initrd Root File System.
>> [DEPEND] Dependency failed for Reload Configuration from the Real Root.
>> [  OK  ] Stopped dracut pre-pivot and cleanup hook.
>> [  OK  ] Stopped target Initrd Default Target.
>> [  OK  ] Stopped dracut mount hook.
>> [  OK  ] Reached target Initrd File Systems.
>> [  OK  ] Stopped target Basic System.
>> [  OK  ] Stopped target System Initialization.
>>           Starting Emergency Shel
>> Generating "/run/initramfs/rdsosreport.txt"
>>
>>
>> Entering emergency mode. Exit the shell to continue.
>> Type "journalctl" to view system logs.
>> You might want to save "/run/initramfs/rdsosreport.txt" to a USB stick or
>> /boot
>> after mounting them and attach it to a bug report.
>>
>>
>> :/#
>>
>> =======================================================
>>
>> I put the card back in my build system and looked at it with Gparted which
>> shows the whole drive as unallocated, even though the system successfully
>> mounted /boot (but not /).
>>
>> So the question is:  HOw better can I clone the card?  SDFormatter in
>> Windows is one suggestion, but I don't want to have to jump over to the
>> family XP system.
>>
>> thanks
>>
>>
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