[FS#1440] print_req_error: I/O error, dev mtdblock6, sector 198400 during boot up

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - guenter weissenseel (linbox) 

Attached to Project - OpenWrt/LEDE Project
Summary - print_req_error: I/O error, dev mtdblock6, sector 198400   during boot up 
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - This happens on EA9500
software version :trunk   --> kernel 4.14.23
Linux EA9500 4.14.23 #0 SMP Sat Mar 3 11:58:56 2018 armv7l GNU/Linux


I get the following messages with dmesg

42.447266] print_req_error: 30 callbacks suppressed
[ 42.447270] print_req_error: I/O error, dev mtdblock6, sector 198400
[ 42.459360] print_req_error: I/O error, dev mtdblock6, sector 198400
[ 42.465729] buffer_io_error: 10 callbacks suppressed
[ 42.465733] Buffer I/O error on dev mtdblock6, logical block 24800, async page read
[ 42.685316] print_req_error: I/O error, dev mtdblock6, sector 198400
[ 42.692500] print_req_error: I/O error, dev mtdblock6, sector 198400
[ 42.698876] Buffer I/O error on dev mtdblock6, logical block 24800, async page read
[ 42.908176] print_req_error: I/O error, dev mtdblock6, sector 198400
[ 42.915383] print_req_error: I/O error, dev mtdblock6, sector 198400
[ 42.921759] Buffer I/O error on dev mtdblock6, logical block 24800, async page read
[ 43.130302] print_req_error: I/O error, dev mtdblock6, sector 198400
[ 43.137507] print_req_error: I/O error, dev mtdblock6, sector 198400
[ 43.143877] Buffer I/O error on dev mtdblock6, logical block 24800, async page read
[ 43.252159] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 43.258771] br-lan: port 3(wlan1) entered blocking state
[ 43.264176] br-lan: port 3(wlan1) entered forwarding state
[ 43.393398] print_req_error: I/O error, dev mtdblock6, sector 198400
[ 43.400450] print_req_error: I/O error, dev mtdblock6, sector 198400
[ 43.406823] Buffer I/O error on dev mtdblock6, logical block 24800, async page read
[ 43.648404] Buffer I/O error on dev mtdblock6, logical block 24800, async page read
[ 43.858002] Buffer I/O error on dev mtdblock6, logical block 24800, async page read
[ 44.067634] Buffer I/O error on dev mtdblock6, logical block 24800, async page read
[ 44.281965] Buffer I/O error on dev mtdblock6, logical block 24800, async page read

here some info about the setup of mtd on my system

root at OpenWrt:/bin# cat /proc/mtd
dev: size erasesize name
mtd0: 00080000 00020000 "boot"
mtd1: 00100000 00020000 "nvram"
mtd2: 00080000 00020000 "nvram"
mtd3: 01d00000 00020000 "firmware"
mtd4: 003fffe4 00020000 "linux"
mtd5: 01900000 00020000 "ubi"
mtd6: 06100000 00020000 “failsafe”

This different than you have it in your random noise blog:

[ 3.967344] Creating 7 MTD partitions on “brcmnand.0”:
[ 3.972500] 0x000000000000-0x000000080000 : “boot”
[ 3.977913] 0x000000080000-0x000000180000 : “nvram”
[ 3.983348] 0x000000180000-0x000000200000 : “nvram”
[ 3.988757] 0x000000200000-0x000001f00000 : “firmware”
[ 3.994846] 0x000001f00000-0x000008000000 : “failsafe”
[ 4.000664] 0x00000020001c-0x00000037c000 : “linux”
[ 4.006107] 0x00000037c000-0x000001f00000 : “rootfs”
[ 4.023962] 0x000000620000-0x000001f00000 : “rootfs_data”
…
 

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=1440