On 2014-06-05 09:07, Paul Eggleton wrote:
On Thursday 05 June 2014 08:41:57 Gary Thomas wrote:
On 2014-06-05 08:32, Paul Eggleton wrote:
On Thursday 05 June 2014 15:26:28 Paul Eggleton wrote:
Hi Gary,
On Thursday 05 June 2014 07:07:34 Gary Thomas wrote:
Looking through the Poky/Yocto sources, there seems to be
some support for Live CD/USB images. However, I can't find
any examples nor documentation for how to use this.
Can anyone provide some pointers?
You're right, we seem to be missing that in our documentation; I'm not
sure
where the best place to document it would be though.
FYI, you should just need to ensure "live" is in IMAGE_FSTYPES; then you
should get a .directdisk image that you can just dd to a USB stick.
Of course I meant to say .hddimg, not .directdisk.
Thanks, I'll give that a try.
What if I needed to boot from an actual CD? I have an old
box here I'd like to try, but it doesn't boot from USB.
We can produce ISO images but I don't think that they work quite as well,
e.g.:
https://bugzilla.yoctoproject.org/show_bug.cgi?id=5282
You could always try it though.
Bummer, when I tried to build core-image-minimal and/or core-image-x11, it
failed:
| DEBUG: Executing shell function read_only_rootfs_hook
| sed: can't read
/home/local/x86_live_2014-06-05/tmp/work/genericx86-poky-linux/core-image-minimal-initramfs/1.0-r0/rootfs/etc/fstab:
No such file or directory
| WARNING:
/home/local/x86_live_2014-06-05/tmp/work/genericx86-poky-linux/core-image-minimal-initramfs/1.0-r0/temp/run.read_only_rootfs_hook.30446:1
exit 2 from
| sed -i -e '/^[#[:space:]]*\/dev\/root/{s/defaults/ro/;s/\([[:space:]]*[[:digit:]]\)\([[:space:]]*\)[[:digit:]]$/\1\20/}'
/home/local/x86_live_2014-06-05/tmp/work/genericx86-poky-linux/core-image-minimal-initramfs/1.0-r0/rootfs/etc/fstab
| DEBUG: Python function do_rootfs finished
| ERROR: Function failed: read_only_rootfs_hook (log file is located at
/home/local/x86_live_2014-06-05/tmp/work/genericx86-poky-linux/core-image-minimal-initramfs/1.0-r0/temp/log.do_rootfs.30446)
Using these settings:
Build Configuration:
BB_VERSION = "1.23.1"
BUILD_SYS = "i686-linux"
NATIVELSBSTRING = "Fedora-13"
TARGET_SYS = "i586-poky-linux"
MACHINE = "genericx86"
DISTRO = "poky"
DISTRO_VERSION = "1.6+snapshot-20140605"
TUNE_FEATURES = "m32 core2"
TARGET_FPU = ""
meta
meta-yocto
meta-yocto-bsp = "master:e7114046be6e71fb326477dc882adb814ef6a751"
Extra settings in conf/local.conf
# Live CD setup
IMAGE_FSTYPES_append = " hddimg live"
IMAGE_FEATURES_append = " read-only-rootfs"
CORE_IMAGE_EXTRA_INSTALL_append = " python python-modules"
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
------------------------------------------------------------
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