Bug 5624

Summary:	dhcp-client: invoke dhclient-script failed on Read-only file system
Product:	[Build System, Metadata & Runtime] OE-Core	Reporter:	Hongxu Jia <hongxu.jia>
Component:	core	Assignee:	Hongxu Jia <hongxu.jia>
Status:	RESOLVED FIXED	QA Contact:
Severity:	normal
Priority:	Medium	CC:	hongxu.jia, liezhi.yang, mark.hatle, meta.mr.watcher, meta.watcher, sgw, yi.zhao
Version:	1.6
Target Milestone:	1.6 M1
Hardware:	x86
OS:	Multiple
Whiteboard:
OS type for building Yocto:	---	Type of Regression:	---
Verified:		Documentation change:	Don't know

Description Hongxu Jia 2013-12-03 10:02:31 UTC

1. vim local.conf
EXTRA_IMAGE_FEATURES += "read-only-rootfs"
IMAGE_FSTYPES += "live"
IMAGE_INSTALL += "dhcp-client"
MACHINE = "qemux86-64"

2. bitbake core-image-sato

3. start qemu with iso image:

$ qemu-system-x86_64 -nographic -boot d -drive file=core-image-sato-qemux86.iso

Click-->Serial console boot
...
/sbin/dhclient-script: line 30: /etc/resolv.conf.dhclient: Read-only file system
chmod: cannot access '/etc/resolv.conf.dhclient': No such file or directory
/sbin/dhclient-script: line 41: /etc/resolv.conf.dhclient: Read-only file system
mv: cannot stat '/etc/resolv.conf.dhclient': No such file or directory
done.
...

Comment 1 Hongxu Jia 2014-03-05 09:17:19 UTC

In read-only file system, '/etc' is on the readonly partition,
and '/etc/resolv.conf' is symlinked to a separate writable
partition.

In this situation, we should use shell variable to instead of
the temp file '/etc/resolv.conf.dhclient'.

Comment 2 Hongxu Jia 2014-03-20 06:18:03 UTC

Merged into master:

From OE-Core rev: df793f4356b411cbb92445c4559c9b21eb6d99fc