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Message-ID: <CAOuPNLgTWNMSaZmE4UzOq8UhsLWnBzyt0xwsO=dS9NpQxh-h_g@mail.gmail.com>
Date:   Wed, 15 Feb 2023 23:06:40 +0530
From:   Pintu Agarwal <pintu.ping@...il.com>
To:     open list <linux-kernel@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        linux-mtd <linux-mtd@...ts.infradead.org>
Subject: 

Hi,

We are seeing below "ubi errors" during booting.
Although this does not cause any functionality break, I am wondering
if there is any way to fix it ?
We are using Kernel 4.14 with UBI and squashfs (ubiblock) as volumes,
and with systemd.

Anybody have experienced the similar logs with ubi/squashfs and
figured out a way to avoid it ?
It seems like these open volumes are called twice, thus error -16
indicates (device or resource busy).
Or, are these logs expected because of squashfs or ubiblock ?
Or, do we need to add anything related to udev-rules ?

{
....
[  129.394789] ubi0 error: ubi_open_volume: cannot open device 0,
volume 6, error -16
[  129.486498] ubi0 error: ubi_open_volume: cannot open device 0,
volume 7, error -16
[  129.546582] ubi0 error: ubi_open_volume: cannot open device 0,
volume 8, error -16
[  129.645014] ubi0 error: ubi_open_volume: cannot open device 0,
volume 9, error -16
[  129.676456] ubi0 error: ubi_open_volume: cannot open device 0,
volume 6, error -16
[  129.706655] ubi0 error: ubi_open_volume: cannot open device 0,
volume 10, error -16
[  129.732740] ubi0 error: ubi_open_volume: cannot open device 0,
volume 7, error -16
[  129.811111] ubi0 error: ubi_open_volume: cannot open device 0,
volume 8, error -16
[  129.852308] ubi0 error: ubi_open_volume: cannot open device 0,
volume 9, error -16
[  129.923429] ubi0 error: ubi_open_volume: cannot open device 0,
volume 10, error -16

}

Thanks,
Pintu