UBIFS ReadOnly FS

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UBIFS ReadOnly FS

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velayutha_perum
Contributor I

We are using iMx6ULL in our design with Toshiba NAND. When run my application more than a day , i m getting below errors,

UBIFS error (ubi0:0 pid 22611): ubifs_scan: corrupt empty space at LEB 1565:81920
UBIFS error (ubi0:0 pid 22611): ubifs_scanned_corruption: corruption at LEB 1565:81920
[2020-02-15 21:56:27] UBIFS error (ubi0:0 pid 22611): ubifs_scanned_corruption: first 8192 bytes from LEB 1565:81920
[2020-02-15 21:56:27] UBIFS error (ubi0:0 pid 22611): ubifs_scan: LEB 1565 scanning failed
[2020-02-15 21:56:27] UBIFS error (ubi0:0 pid 22611): do_commit: commit failed, error -117
[2020-02-15 21:56:27] UBIFS warning (ubi0:0 pid 22611): ubifs_ro_mode: switched to read-only mode, error -117
[2020-02-15 21:56:27] CPU: 0 PID: 22611 Comm: sync Not tainted 4.1.15 #1
[2020-02-15 21:56:27] Hardware name: Freescale i.MX6 UL/ULL (Device Tree)
[2020-02-15 21:56:27] Function entered at [<80015a78>] from [<80012658>]
[2020-02-15 21:56:27] Function entered at [<80012658>] from [<8067b558>]
[2020-02-15 21:56:27] Function entered at [<8067b558>] from [<80226e04>]
[2020-02-15 21:56:27] Function entered at [<80226e04>] from [<802173b4>]
[2020-02-15 21:56:27] Function entered at [<802173b4>] from [<800eb5c0>]
[2020-02-15 21:56:27] Function entered at [<800eb5c0>] from [<801110dc>]
[2020-02-15 21:56:27] Function entered at [<801110dc>] from [<8000f400>]

I/O error : Read-only file system

May i know what could be the reason for above issue and is there any fix for this?

Note : This application will read sensor data, gps data, CAN data and also file read/write operation to some text file. which is of less size.

When i checked in google, the bit corruption due to other reasons may not be handled properly. So what can be done for this?

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi Velayutha

seems this is specific ubifs error and was reported many times:

UBIFS corruption bug 

ubifs_scan: corrupt empty space 

From log L4.1.15 kernel used, so may be recommended to try with latest kernels described on

i.MX Software and Development Tools | NXP 

Best regards
igor
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