Has anybody gotten alarm to install on the Chromebit's eMMC? I've installed alarm on a couple of Chromebooks and it makes for a much faster system. I'd like to do the same on a Chromebit.
I did a mainline kernel install into a USB (went fine) then booted to the USB to attempt to install onto the eMMC. Fdisk failed with an IO Error.
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[root@alarm ~]# umount /dev/mmcblk1*
umount: /dev/mmcblk1: not mounted
umount: /dev/mmcblk1boot0: not mounted
umount: /dev/mmcblk1boot1: not mounted
umount: /dev/mmcblk1rpmb: not mounted
[root@alarm ~]# fdisk /dev/mmcblk1
Welcome to fdisk (util-linux 2.29).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
fdisk: cannot open /dev/mmcblk1: Input/output error
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I then did a veyron-latest install onto USB and tried to install to eMMC from that. This time I got lots of complaints about "Primary GPT header is being ignored." Continuing with the installation left me with an installation that doesn't boot. I get the "The device you inserted does not contain Chrome OS" message from the bootloader.
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[root@alarm ~]# dd if=/dev/zero of=/dev/mmcblk0 bs=4096
dd: error writing '/dev/mmcblk0': No space left on device
3848193+0 records in
3848192+0 records out
15762194432 bytes (16 GB, 15 GiB) copied, 393.431 s, 40.1 MB/s
[root@alarm ~]# umount /dev/mmcblk0*
umount: /dev/mmcblk0: not mounted
umount: /dev/mmcblk0boot0: not mounted
umount: /dev/mmcblk0boot1: not mounted
[root@alarm ~]# fdisk /dev/mmcblk0
Welcome to fdisk (util-linux 2.28.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): g
Created a new GPT disklabel (GUID: 1E17FB66-6DBA-4C6D-AAEE-BEB5164303E7).
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
[root@alarm ~]# cgpt create /dev/mmcblk0
WARNING: Primary GPT header is being ignored
[root@alarm ~]# cgpt add -i 1 -t kernel -b 8192 -s 32768 -l Kernel -S 1 -T 5 -P 10 /dev/mmcblk0
WARNING: Primary GPT header is being ignored
[root@alarm ~]# cgpt show /dev/mmcblk0
WARNING: Primary GPT header is being ignored
start size part contents
0 1 PMBR (Boot GUID: 00BBF849-BCB3-D34D-BD54-07DE3E8D1447)
1 1 IGNORED Pri GPT header
30785503 32 Sec GPT table
8192 32768 1 Label: "Kernel"
Type: ChromeOS kernel
UUID: 61BFDD01-12B8-8B40-A628-89CE2353FCA1
Attr: priority=10 tries=5 successful=1
30785535 1 Sec GPT header
[root@alarm ~]# cgpt add -i 2 -t data -b 40960 -s `expr 30785503 - 40960` -l Root /dev/mmcblk0
WARNING: Primary GPT header is being ignored
[root@alarm ~]# partx -a /dev/mmcblk0
[root@alarm ~]# mkfs.ext4 /dev/mmcblk0p2
mke2fs 1.43.3 (04-Sep-2016)
Discarding device blocks: done
Creating filesystem with 3843067 4k blocks and 960992 inodes
Filesystem UUID: 568cb635-ded0-4273-aab8-341dee157623
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208
Allocating group tables: done
Writing inode tables: done
Creating journal (16384 blocks): done
Writing superblocks and filesystem accounting information: done
[root@alarm ~]# cd /tmp
[root@alarm tmp]# wget http://os.archlinuxarm.org/os/ArchLinuxARM-veyron-latest.tar.gz
--2017-01-22 22:25:51-- http://os.archlinuxarm.org/os/ArchLinuxARM-veyron-latest.tar.gz
Resolving os.archlinuxarm.org (os.archlinuxarm.org)... 50.116.36.110
Connecting to os.archlinuxarm.org (os.archlinuxarm.org)|50.116.36.110|:80... connected.
HTTP request sent, awaiting response... 302 Found
Location: http://ca.us.mirror.archlinuxarm.org/os/ArchLinuxARM-veyron-latest.tar.gz [following]
--2017-01-22 22:25:52-- http://ca.us.mirror.archlinuxarm.org/os/ArchLinuxARM-veyron-latest.tar.gz
Resolving ca.us.mirror.archlinuxarm.org (ca.us.mirror.archlinuxarm.org)... 191.101.9.207
Connecting to ca.us.mirror.archlinuxarm.org (ca.us.mirror.archlinuxarm.org)|191.101.9.207|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 270155425 (258M) [application/x-gzip]
Saving to: 'ArchLinuxARM-veyron-latest.tar.gz'
ArchLinuxARM-veyron 100%[===================>] 257.64M 9.14MB/s in 31s
2017-01-22 22:26:23 (8.21 MB/s) - 'ArchLinuxARM-veyron-latest.tar.gz' saved [270155425/270155425]
[root@alarm tmp]# mkdir root
[root@alarm tmp]# mount /dev/mmcblk0p2 root
[root@alarm tmp]# tar -xf ArchLinuxARM-veyron-latest.tar.gz -C root
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'LIBARCHIVE.xattr.security.capability'
tar: Ignoring unknown extended header keyword 'LIBARCHIVE.xattr.security.capability'
tar: Ignoring unknown extended header keyword 'LIBARCHIVE.xattr.security.capability'
tar: Ignoring unknown extended header keyword 'LIBARCHIVE.xattr.security.capability'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
tar: Ignoring unknown extended header keyword 'SCHILY.fflags'
[root@alarm tmp]# dd if=root/boot/vmlinux.kpart of=/dev/mmcblk0p1
11504+0 records in
11504+0 records out
5890048 bytes (5.9 MB, 5.6 MiB) copied, 0.699139 s, 8.4 MB/s
[root@alarm tmp]# sync
[root@alarm tmp]# umount root
[root@alarm tmp]# reboot
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