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Tue, 08 Apr 2025 01:10:36 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/214499 --------------Ps60NnFQjUP3OCFGeCZRhZl4 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by mx0a-0064b401.pphosted.com id 53802clu030626 On 2025-04-07 1:04 p.m., Khem Raj wrote: > On Mon, Apr 7, 2025 at 9:45=E2=80=AFAM Christos Gavros wrote: >> In 'finish'script the Switch_root command with option -c is busybox sp= ecific. >> When package-core-base-utils is selected the boot is breaking with mes= sage >> "Switch_root: invalid option =E2=80=94 =E2=80=98c=E2=80=99.It was repr= oduced using qemu. >> Remove -c option to make it compatible with both providers. >> It is tested using qemu with busybox and package-core-base-utils. In b= oth cases >> qemu boots successfully and filesystem is accessible. >> Fixes [YOCTO #15716] >> > Looks good Probably, and it's a small change, but : 1.=C2=A0 Usually the busybox version has fewer features but here util-linux doesn't have the option, which is a bit odd. I also checked the git repo/master branch and it hasn't been added. Note that toybox, a BSD-Zero licensed, re-implementation of busybox=20 *does* have the -c option. I wonder if anyone has asked util-linux if they'd like that feature for=20 embedded boards... No sign of that as PR or issue: https://github.com/util-linux/util-linux/pulls?q=3Dis%3Apr++switch_root https://github.com/util-linux/util-linux/issues?q=3Dis%3Aissue%20switch_r= oot and 2. More importantly, embedded folks are often emotionally attached to=20 there serial lines/ console for doing BSP development and low-level debug work. CCing Kexin who will hopefully comment on whether=C2=A0 he and the WR tea= m=20 would care if we drop the console specification. If not, then I have no objection since one can easily enable the -c optio= n when debugging and then ship without it. ../Randy > >> CC: Yoann Congal >> CC: Randy MacLeod >> CC: jbk >> CC: Raj Khem >> CC: Adrian Freihofer >> Signed-off-by: Christos Gavros >> --- >> v1->v2 >> * the commit message is extended with more info >> --- >> meta/recipes-core/initrdscripts/initramfs-framework/finish | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/meta/recipes-core/initrdscripts/initramfs-framework/finis= h b/meta/recipes-core/initrdscripts/initramfs-framework/finish >> index ac0de9f996..716c2f44af 100755 >> --- a/meta/recipes-core/initrdscripts/initramfs-framework/finish >> +++ b/meta/recipes-core/initrdscripts/initramfs-framework/finish >> @@ -41,7 +41,7 @@ finish_run() { >> mount --move /sys $ROOTFS_DIR/sys >> >> cd $ROOTFS_DIR >> - exec switch_root -c /dev/console $ROOTFS_DIR ${bootpar= am_init:-/sbin/init} >> + exec switch_root $ROOTFS_DIR ${bootparam_init:-/sbin/i= nit} >> else >> debug "No rootfs has been set" >> fi >> -- >> 2.34.1 >> --=20 # Randy MacLeod # Wind River Linux --------------Ps60NnFQjUP3OCFGeCZRhZl4 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by mx0a-0064b401.pphosted.com id 53802clu030626
On 2025-04-07 1:04 p.m., Khem Raj wrote:
On Mon, Apr 7, 2025 at 9:45=E2=
=80=AFAM Christos Gavros <gavrosc@yahoo.com> wrote:

In 'finish'script the Swit=
ch_root command with option -c is busybox specific.
When package-core-base-utils is selected the boot is breaking with messag=
e
"Switch_root: invalid option =E2=80=94 =E2=80=98c=E2=80=99.It was re=
produced using qemu.
Remove -c option to make it compatible with both providers.
It is tested using qemu with busybox and package-core-base-utils. In both=
 cases
qemu boots successfully and filesystem is accessible.
Fixes [YOCTO #15716]


Looks good

Probably, and it's a small change, but :

1.  Usually the busybox version has fewer features but
here util-linux doesn't have the option, which is a bit odd.

I also checked the git repo/master branch and it hasn't been added.
Note that toybox, a BSD-Zero licensed, re-implementation of busybox *does* have the -c option.

I wonder if anyone has asked util-linux if they'd like that feature for embedded boards...

No sign of that as PR or issue:

https://github.com/util-linux/= util-linux/pulls?q=3Dis%3Apr++switch_root
https://github.com/util-l= inux/util-linux/issues?q=3Dis%3Aissue%20switch_root

and

2. More importantly, embedded folks are often emotionally attached to there serial lines/ console
for doing BSP development and low-level debug work.

CCing Kexin who will hopefully comment on whether  he and the = WR team would care if we drop the console specification.


If not, then I have no objection since one can easily enable the -c option
when debugging and then ship without it.


../Randy




CC: Yoann Congal <yoann.c=
ongal@smile.fr>
CC: Randy MacLeod <randy.macleod@windriver.com>
CC: jbk <jbk@mm-software.com>
CC: Raj Khem <raj.khem@gmail.com>
CC: Adrian Freihofer <adrian.freihofer@gmail.com>
Signed-off-by: Christos Gavros <gavrosc@yahoo.com>
---
v1->v2
* the commit message is extended with more info
---
 meta/recipes-core/initrdscripts/initramfs-framework/finish | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/recipes-core/initrdscripts/initramfs-framework/finish b=
/meta/recipes-core/initrdscripts/initramfs-framework/finish
index ac0de9f996..716c2f44af 100755
--- a/meta/recipes-core/initrdscripts/initramfs-framework/finish
+++ b/meta/recipes-core/initrdscripts/initramfs-framework/finish
@@ -41,7 +41,7 @@ finish_run() {
                mount --move /sys $ROOTFS_DIR/sys

                cd $ROOTFS_DIR
-               exec switch_root -c /dev/console $ROOTFS_DIR ${bootparam_=
init:-/sbin/init}
+               exec switch_root $ROOTFS_DIR ${bootparam_init:-/sbin/init=
}
        else
                debug "No rootfs has been set"
        fi
--
2.34.1




--=20
# Randy MacLeod
# Wind River Linux
--------------Ps60NnFQjUP3OCFGeCZRhZl4--