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From:   JH <jupiter.hce@gmail.com>
Date:   Tue, 18 Feb 2020 15:35:25 +1100
Message-ID: <CAA=hcWQ_6n4Sy66GoYxLgFJu-CwtaS1m-vAT_wVMTgDZ2qkarg@mail.gmail.com>
Subject: Re: Change RO rootfs failed RF Kill Switch Status and Failed to start
 Run pending postinsts
To:     linux-wireless <linux-wireless@vger.kernel.org>
Cc:     Yocto discussion list <yocto@yoctoproject.org>,
        Patches and discussions about the oe-core layer 
        <openembedded-core@lists.openembedded.org>,
        linux-mtd <linux-mtd@lists.infradead.org>
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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
>