[Arm-dev] RPi 3, CentOS 7 install problem

Fabian Arrotin arrfab at centos.org
Tue Jul 12 15:07:12 UTC 2016

On 04/07/16 16:40, Fabian Arrotin wrote:
> On 04/07/16 11:50, Karanbir Singh wrote:
>> On 04/07/16 09:33, Fabian Arrotin wrote:
>>> On 02/07/16 14:10, Steve Berg wrote:
>>>> Trying to get
>>>> CentOS-Userland-7-armv7hl-Minimal-1603-RaspberryPi3.img installed
>>>> to a SanDisk 64G SD card for a Raspberry Pi3.
>>>> The dd goes well, the Pi will boot with no problems.  I run
>>>> "touch /.rootfs-repartition" and then a reboot.
>>>> It seems to do the repartition but I get a kernel panic at the
>>>> next reboot.  On the console I see: ---[ end Kernel panic - not
>>>> syncing: VFS: Unable to mount root fs on unknown-block(179,3)
>>>> Any tips on how to get the SD card repartitioned to use the whole
>>>> space after install?
>>> We had several people reporting that issue that seems to appear if
>>> you have a microSD card that is > 32Gb . I'm not able to reproduce
>>> it as I don't have SD cards that are as big as that, but it seems
>>> an issue with the rootfs-resize tool : see 
>>> https://github.com/ctyler/rootfs-resize/issues/2 If that's
>>> confirmed, we probably have to stop promoting that tool and even
>>> remove it if that's unmaintained and unfixable.
>> is there anything else that can be used instead ?
> Something to search for, but it seems that Fedora switched back to
> proposing using gparted
> (https://fedoraproject.org/wiki/Architectures/ARM/F23/Installation#Resize_the_Root_Filesystem)
> We can at least modify the wiki page to clearly state that there is an
> issue with rootfs-resize on cards > 32Gb, and also decide what to do for
> the next images we'll create/distribute (like removing rootfs-resize tool ?)

So I had a quick look at something else that seems to work :
- using growpart (available in test here :
- and then resize2fs

I can add it in the base image, and remove rootfs-resize and just write
a small wrapper script around those tools so that people can just use
that script instead ?

Opinions ?

Fabian Arrotin
The CentOS Project | http://www.centos.org
gpg key: 56BEC54E | twitter: @arrfab

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