Change RO rootfs failed RF Kill Switch Status and Failed to start Run pending postinsts

Change RO rootfs failed RF Kill Switch Status and Failed to start Run pending postinsts

[JH]

Hi,

Apologize for the cross posting.

I am running kernel 4.19.75 on iMX6 customized device with WiFi and 4G
LTE, it was running well in an RW rootfs. After I have just changed
rootfs to RO UBIFS partition, it failed RF Kill and postinsts I
suspect both try write to the RO and failed, any advice how to fix it?
Despite it failed RF Kill and postinsts, it was still working.

[    6.097762] UBIFS (ubi0:2): UBIFS: mounted UBI device 0, volume 2,
name "rootfs-volume", R/O mode
..............
[    6.151932] VFS: Mounted root (ubifs filesystem) readonly on device 0:13.
.................
[  OK  ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
         Starting Load/Save RF Kill Switch Status...
[FAILED] Failed to start Load/Save RF Kill Switch Status.
See 'systemctl status systemd-rfkill.service' for details.

[FAILED] Failed to start Run pending postinsts.
See 'systemctl status run-postinsts.service' for details.
...............
root#

Thank you.

Kind regards,

- jh

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Re: Change RO rootfs failed RF Kill Switch Status and Failed to start Run pending postinsts

[JH]

It also seems mwifiex_sdio tried to write to RO rootfs and failed and
triggled RF Killm, does mwifiex_sdio needs some system directories for
RW?

[   26.636845] mwifiex_sdio mmc0:0001:1: mwifiex_process_cmdresp: cmd 0x242 fain
         Starting Load/Save RF Kill Switch Status...
[   26.852990] mwifiex_sdio mmc0:0001:1: info: MWIFIEX VERSION: mwifiex 1.0 (14
[   26.861518] mwifiex_sdio mmc0:0001:1: driver_version = mwifiex 1.0 (14.68.36
[FAILED] Failed to start Load/Save RF Kill Switch Status.
See 'systemctl status systemd-rfkill.service' for details.
         Starting Load/Save RF Kill Switch Status...
[FAILED] Failed to start Load/Save RF Kill Switch Status.
See 'systemctl status systemd-rfkill.service' for details.
         Starting Load/Save RF Kill Switch Status...
[FAILED] Failed to start Load/Save RF Kill Switch Status.
See 'systemctl status systemd-rfkill.service' for details.
         Starting Load/Save RF Kill Switch Status...




On 2/18/20, JH <jupiter.hce@gmail.com> wrote:
> Hi,
>
> Apologize for the cross posting.
>
> I am running kernel 4.19.75 on iMX6 customized device with WiFi and 4G
> LTE, it was running well in an RW rootfs. After I have just changed
> rootfs to RO UBIFS partition, it failed RF Kill and postinsts I
> suspect both try write to the RO and failed, any advice how to fix it?
> Despite it failed RF Kill and postinsts, it was still working.
>
> [    6.097762] UBIFS (ubi0:2): UBIFS: mounted UBI device 0, volume 2,
> name "rootfs-volume", R/O mode
> ..............
> [    6.151932] VFS: Mounted root (ubifs filesystem) readonly on device
> 0:13.
> .................
> [  OK  ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
>          Starting Load/Save RF Kill Switch Status...
> [FAILED] Failed to start Load/Save RF Kill Switch Status.
> See 'systemctl status systemd-rfkill.service' for details.
>
> [FAILED] Failed to start Run pending postinsts.
> See 'systemctl status run-postinsts.service' for details.
> ...............
> root#
>
> Thank you.
>
> Kind regards,
>
> - jh
>

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Re: [yocto] Change RO rootfs failed RF Kill Switch Status and Failed to start Run pending postinsts

[Belisko Marek]

Hi,

On Tue, Feb 18, 2020 at 2:00 AM JH <jupiter.hce@gmail.com> wrote:
>
> Hi,
>
> Apologize for the cross posting.
>
> I am running kernel 4.19.75 on iMX6 customized device with WiFi and 4G
> LTE, it was running well in an RW rootfs. After I have just changed
> rootfs to RO UBIFS partition, it failed RF Kill and postinsts I
> suspect both try write to the RO and failed, any advice how to fix it?
> Despite it failed RF Kill and postinsts, it was still working.
>
> [    6.097762] UBIFS (ubi0:2): UBIFS: mounted UBI device 0, volume 2,
> name "rootfs-volume", R/O mode
> ..............
> [    6.151932] VFS: Mounted root (ubifs filesystem) readonly on device 0:13.
> .................
> [  OK  ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
>          Starting Load/Save RF Kill Switch Status...
> [FAILED] Failed to start Load/Save RF Kill Switch Status.
> See 'systemctl status systemd-rfkill.service' for details.
Can you pls provide output of systemctl status systemd-rfkill
There should be some more info what issue is.
>
> [FAILED] Failed to start Run pending postinsts.
> See 'systemctl status run-postinsts.service' for details.
Pls this one also: systemctl status run-postinsts
> ...............
> root#
>
> Thank you.
>
> Kind regards,
>
> - jh
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BR,

marek

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Re: [yocto] Change RO rootfs failed RF Kill Switch Status and Failed to start Run pending postinsts

[JH]

Hi Belisko,

Thanks for your resonse.

On 2/18/20, Belisko Marek <marek.belisko@gmail.com> wrote:
> Can you pls provide output of systemctl status systemd-rfkill
> There should be some more info what issue is.

Failed at step STATE_DIRECTORY spawning /lib/systemd/systemd-rfkill:
Read-only file system, did it try to write something in /lib/systemd?
How should I fix it?


# systemctl status systemd-rfkill -l
* systemd-rfkill.service - Load/Save RF Kill Switch Status
   Loaded: loaded
(8;;file://solar/lib/systemd/system/systemd-rfkill.service/lib/systemd/system/systemd-rfkill.service8;;;
static; vendor preset: disabled)
   Active: failed (Result: exit-code) since Tue 2020-02-18 00:47:30
UTC; 1min 59s ago
     Docs: 8;;man:systemd-rfkill.service(8)man:systemd-rfkill.service(8)8;;
  Process: 149 ExecStart=/lib/systemd/systemd-rfkill (code=exited,
status=238/STATE_DIRECTORY)
 Main PID: 149 (code=exited, status=238/STATE_DIRECTORY)

Feb 18 00:47:30 solar systemd[1]: Starting Load/Save RF Kill Switch Status...
Feb 18 00:47:30 solar systemd[149]: systemd-rfkill.service: Failed to
set up special execution directory in /var/lib: Read-only file system
Feb 18 00:47:30 solar systemd[149]: systemd-rfkill.service: Failed at
step STATE_DIRECTORY spawning /lib/systemd/systemd-rfkill: Read-only
file system
Feb 18 00:47:30 solar systemd[1]: systemd-rfkill.service: Main process
exited, code=exited, status=238/STATE_DIRECTORY
Feb 18 00:47:30 solar systemd[1]: systemd-rfkill.service: Failed with
result 'exit-code'.
Feb 18 00:47:30 solar systemd[1]: Failed to start Load/Save RF Kill
Switch Status.
Feb 18 00:47:30 solar systemd[1]: systemd-rfkill.service: Start
request repeated too quickly.
Feb 18 00:47:30 solar systemd[1]: systemd-rfkill.service: Failed with
result 'exit-code'.
Feb 18 00:47:30 solar systemd[1]: Failed to start Load/Save RF Kill
Switch Status.

>> [FAILED] Failed to start Run pending postinsts.
>> See 'systemctl status run-postinsts.service' for details.
> Pls this one also: systemctl status run-postinsts

# systemctl status run-postinsts -l
* run-postinsts.service - Run pending postinsts
   Loaded: loaded
(8;;file://solar/lib/systemd/system/run-postinsts.service/lib/systemd/system/run-postinsts.service8;;;
enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Tue 2020-02-18 00:47:37
UTC; 6min ago
  Process: 153 ExecStart=/usr/sbin/run-postinsts (code=exited, status=0/SUCCESS)
  Process: 159 ExecStartPost=/bin/systemctl --no-reload disable
run-postinsts.service (code=exited, status=1/FAILURE)
 Main PID: 153 (code=exited, status=0/SUCCESS)

Feb 18 00:47:36 solar systemd[1]: Starting Run pending postinsts...
Feb 18 00:47:36 solar run-postinsts[153]: Configuring packages on first boot....
Feb 18 00:47:36 solar run-postinsts[153]:  (This may take several
minutes. Please do not power off the machine.)
Feb 18 00:47:36 solar run-postinsts[153]: /usr/sbin/run-postinsts:
eval: line 1: can't create /var/log/postinstall.log: nonexistent
directory
Feb 18 00:47:36 solar run-postinsts[153]:  Removing any system startup
links for run-postinsts ...
Feb 18 00:47:37 solar systemctl[159]: Failed to disable unit: File
/etc/systemd/system/sysinit.target.wants/run-postinsts.service:
Read-only file system
Feb 18 00:47:37 solar systemd[1]: run-postinsts.service: Control
process exited, code=exited, status=1/FAILURE
Feb 18 00:47:37 solar systemd[1]: run-postinsts.service: Failed with
result 'exit-code'.
Feb 18 00:47:37 solar systemd[1]: Failed to start Run pending postinsts.

Was the problem to write to /var/log, the /var/volatile does not have a log?

# ls -l /var
drwxr-xr-x    2 1000     1000           160 Feb 18  2020 backups
drwxr-xr-x    5 1000     1000           100 Feb 18 00:47 cache
drwxr-xr-x    9 1000     1000           180 Feb 18 00:47 lib
drwxr-xr-x    3 1000     1000           224 Feb 18  2020 local
lrwxrwxrwx    1 1000     1000            11 Feb 18  2020 lock -> ../run/lock
lrwxrwxrwx    1 1000     1000            12 Feb 18 00:52 log -> volatile/log
lrwxrwxrwx    1 1000     1000             6 Feb 18  2020 run -> ../run
drwxr-xr-x    3 1000     1000            60 Feb 18  2020 spool
lrwxrwxrwx    1 1000     1000            12 Feb 18  2020 tmp -> volatile/tmp
drwxrwxrwt    8 root     root           160 Feb 18 00:47 volatile

# ls -l /var/volatile/
drwxr-xr-x    5 1000     1000           100 Feb 18 00:47 cache
drwxr-xr-x    9 1000     1000           180 Feb 18 00:47 lib
drwxr-xr-x    3 1000     1000            60 Feb 18  2020 spool

All system mount is the same as the original RW rootfs, did both write
to none standard RW system mount?

Here is defined system mount in fstab:

proc                 /proc                proc       defaults              0  0
devpts               /dev/pts             devpts     mode=0620,gid=5       0  0
tmpfs                /run                 tmpfs
mode=0755,nodev,nosuid,strictatime 0  0
tmpfs                /var/volatile        tmpfs      defaults              0  0


Here is the mount:

# mount
ubi0:rootfs-volume on / type ubifs (ro,relatime,assert=read-only,ubi=0,vol=2)
devtmpfs on /dev type devtmpfs
(rw,relatime,size=84564k,nr_inodes=21141,mode=755)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,relatime)
securityfs on /sys/kernel/security type securityfs
(rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,nodev,mode=755)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup2 on /sys/fs/cgroup/unified type cgroup2
(rw,nosuid,nodev,noexec,relatime,nsdelegate)
cgroup on /sys/fs/cgroup/systemd type cgroup
(rw,nosuid,nodev,noexec,relatime,xattr,name=systemd)
tmpfs on /etc/machine-id type tmpfs (ro,mode=755)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev)
debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)
fusectl on /sys/fs/fuse/connections type fusectl
(rw,nosuid,nodev,noexec,relatime)
tmpfs on /var/volatile type tmpfs (rw,relatime)
ubi0:data-volume on /data type ubifs (rw,noatime,assert=read-only,ubi=0,vol=3)
tmpfs on /var/spool type tmpfs (rw,relatime)
tmpfs on /var/cache type tmpfs (rw,relatime)
tmpfs on /var/lib type tmpfs (rw,relatime)
tracefs on /sys/kernel/debug/tracing type tracefs
(rw,nosuid,nodev,noexec,relatime)

How should I fix it?

Thank you.

Kind regards,

- jh

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