[fedora-arm] cloned sd card is not booting

[Robert Moskowitz]

On 08/04/2014 02:47 PM, Niels de Vos wrote:
> On Mon, Aug 04, 2014 at 01:49:03PM -0400, Robert Moskowitz wrote:
>> I am getting far enough into my system build that I don't want to go
>> back to square one everytime I mess up.  So I decided I SHOULD be
>> able to clone my boot drive with:
>>
>> sudo dd if=/dev/sdb of=/dev/sdc bs=4096 conv=notrunc,noerror; sync
>>
>> And I did check that my working card is in sdb and the target is
>> sdc.  Note that the target drive has been used for prior testing.
>>
>> But this cloned card fails to boot, so there is something wrong with
>> the above command.  Here is the end of what I am seeing on the
>> console in the boot:
>>
> ...
>> [   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!
> ...
>> [   14.571964] EXT4-fs (mmcblk0p3): bad geometry: block count
>> 3587707 exceeds size of device (3548795 blocks)
>> [FAILED] Failed to mount /sysroot.
> During boot, is is detected that the size of the filesystem (stored in
> the filesystems meta-data) is larger than the partition where it is
> located. This suggests that the 'clone' is written to a smaller sd-card
> than the original.
>
> You might be able to 'fix' your working card, by resizing the filesystem
> of the 3rd partition. In the system where you do the 'dd', the partition
> would be '/dev/sdb3' and the commands you can use are 'resize2fs' or
> 'parted'.

# parted -l

..........


Error: Can't have a partition outside the disk!
Model: Generic- Multi-Card (scsi)
Disk /dev/sdb: 15.6GB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:

# resize2fs /dev/sdb3
resize2fs 1.42.8 (20-Jun-2013)
Please run 'e2fsck -f /dev/sdb3' first.

So not there yet.

>> 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.
>>
>>
>> :/# [   17.458499] systemd-udevd (321) used greatest stack depth:
>> 5248 bytes left
>> [   17.497871] systemd-udevd (320) used greatest stack depth: 5020
>> bytes left
>>
>> ============================================
>>
>> I see these stack messages regularly even when things are working.
>>
>> I hope someone can help me with the cloning, as it will really
>> simplify my testing.
>>
>> thanks
>>
>>
>>
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