Minor update on the DreamPlugs:
It turns out the later DreamPlugs use a different WiFi chip. The
early DreamPlugs use the libertas WiFi modue. The later ones use
the mwifiex.
The image created on the early plug will by default include the
libertas driver (totally needlessly), which will load first, and
make WiFi not work. I will roll up a new image with the fixed
initramfs next week.
Gordan
On 2015-10-30 10:15, Gordan Bobic wrote:
OK, guys, this is what I suspect some of you have been waiting for:
https://www.mirrorservice.org/sites/ftp.redsleeve.org/pub/el7/images/
Assumptions:
1) DreamPlug: use internal uSD card
2) SheevaPlug: use USB attached storage (otherwise change /dev/sda
in /etc/fstab to /dev/mmcblk0)
3) GuruPlug: Not 100% sure, but one of either 1) or 2) will be
appropriate depending on how the
device you want to do appears in /dev/
4) On the staging machine the SD slot appears as /dev/mmcblk0 - double
check this to avoid the risk of clobbering the wrong device!
Process (assuming the target is the DreamPlug:
1) Update your *Plug's u-boot as per the instructions here:
http://www.cyrius.com/debian/kirkwood/sheevaplug/uboot-upgrade/
Make sure you note down your MAC addresses before you reflash u-boot,
and re-set them afterwards!
2) Download the image and extract it to a uSD card (/dev/mmcblk0 on
the staging machine)
wget -O -
https://www.mirrorservice.org/sites/ftp.redsleeve.org/pub/el7/images/kirkwood.img.xz
| xz -cd > /dev/mmcblk0
3) Re-partition (MBR format, use fdisk) the target device to stretch
the root partition to take up all of the device. Leave partition 4
alone. Drop partition 1 and re-create it with the same starting sector
and the default end sector will be the end of the physical disk/card).
Set the partition type for partition 1 to "bf" (Solaris, the image
is a ZFS root!).
4) Connect to the DreamPlug, reset it, interrupt the boot process, and
set the following:
---snip---
setenv baudrate 115200
setenv bootargs 'console=ttyS0,115200 root=ZFS=kirkwood/ROOT'
setenv bootcmd 'usb start; ${loadImage}; ${loadInitrd} ; bootm
0x6400000 0x7400000'
setenv bootdelay 3
setenv loadImage 'ext2load usb 0:4 0x6400000 uImage'
setenv loadInitrd 'ext2load usb 0:4 0x7400000 uInitrd'
setenv machid 0xa63
setenv stderr serial
setenv stdin serial
setenv stdout serial
saveenv
---snap---
Note:
setenv machid 0xa63
is only required on the DreamPlug, not needed on GuruPlug or
SheevaPlug.
5) Then for a single boot do:
setenv bootargs 'console=ttyS0,115200 root=ZFS=kirkwood/ROOT
rd.break=pre-mount'
boot
Dracut will drop you to a shell before the switchroot occurs. Issue:
zpool set autoexpand=on kirkwood
zpool set autoexpand=off kirkwood
This will stretch the pool to fill the whole partition, as enlarged in
step 2) above.
Press Ctrl-D
6) The boot will continue (it may drop you to a shell again, just
press Ctrl-D again if it does).
Log in as root, password is "redsleeve".
I have tried to make sure the image is reasonably sanitized (e.g. no
pre-generated ssh keys), but please apply your usual level of paranoia
as with any image.
The kernel is rpm-ed up, so subject to yum updatability. :)
Currently the latest 3.10.x LT. This will probably get bumped up
to 3.18.x at some point in the not too distant future.
Enjoy. :)
Gordan
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