[fedora-arm] cloned sd card is not booting

[Sid Boyce]

On 05/08/14 04:14, Robert Moskowitz wrote:
>
> On 08/04/2014 08:37 PM, Sid Boyce wrote:
>> On 04/08/14 20:42, Robert Moskowitz wrote:
>>>
>>> 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
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> arm mailing list
>>>>> arm at lists.fedoraproject.org
>>>>> https://admin.fedoraproject.org/mailman/listinfo/arm
>>>
>>> _______________________________________________
>>> arm mailing list
>>> arm at lists.fedoraproject.org
>>> https://admin.fedoraproject.org/mailman/listinfo/arm
>> I have had problems with SD cards, e.g generating an image and using 
>> dd to write it to another card of the same size, it has run out of 
>> space.
>> "dd if=/dev/zero of=/dev/sdx bs=1M count =xxxx" won't fix it.
>>
>> The only way apparently is to use SDFormatter under Windows, then dd 
>> writes the full size.
>> That has worked for me every time on someone else's Windows laptop as 
>> I don't have Windows.
>
> Well I still have a couple XP systems for family stuff.  So I will 
> have to see if this is available for XP and how it works.
>
>
>
SDFormatter works on Windows 7 and it has been around well before 
Windows 7 so there shouldn't be a problem on XP.
Regards
Sid.

-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
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Microsoft Windows Free Zone - Linux used for all Computing Tasks