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Error message pops up while check eMMC through command partprobe - depends on supports from Kernel Driver

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Justin Yang
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Purpose

This article is introducing why user may get error msg when using eMMC on certain platforms

Target Audience

All users who are using Advantech FWA-1K series, FWA-2K series and with eMMC device inside.

Use Cases

When using eMMC as a storages, user may apply the parted relative command on those devices.  

Error messages

root@spsx86-64:~# partprobe
blk_update_request: I/O error, dev mmcblk0rpmb, sector 0
blk_update_request: I/O error, dev mmcblk0rpmb, sector 0
Warning: blk_update_request: I/O error, dev mmcblk0rpmb, sector 0
Error fsyncing/closing /dev/mmcblk0rpmb: Input/output error
Warning: Error fsyncing/closing /dev/mmcblk0rpmb: Input/output error

 

E.g. Error messages from Ubuntu 16.04 on FWA-1012VC

root@ubuntu:~# cat /etc/os-release
NAME="Ubuntu"
VERSION="16.04.6 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.6 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenial
root@ubuntu:~# uname -a
Linux ubuntu 4.9.0-040900-generic #201612111631 SMP Sun Dec 11 21:33:00 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
root@ubuntu:~#
root@ubuntu:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
mmcblk0rpmb 179:24 0 4M 0 disk
mmcblk0boot0 179:8 0 4M 1 disk
sda 8:0 1 29.3G 0 disk
├─sda2 8:2 1 6G 0 part
└─sda1 8:1 1 23.3G 0 part /
mmcblk0boot1 179:16 0 4M 1 disk
mmcblk0 179:0 0 7.3G 0 disk
├─mmcblk0p2 179:2 0 64M 0 part
├─mmcblk0p3 179:3 0 7.1G 0 part
└─mmcblk0p1 179:1 0 127M 0 part
root@ubuntu:~# fdisk -l
Disk /dev/ram0: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram1: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram2: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram3: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram4: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram5: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram6: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram7: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram8: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram9: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram10: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram11: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram12: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram13: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram14: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram15: 64 MiB, 67108864 bytes, 131072 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/mmcblk0: 7.3 GiB, 7820083200 bytes, 15273600 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xd4f9364e

Device Boot Start End Sectors Size Id Type
/dev/mmcblk0p1 2048 262143 260096 127M 83 Linux
/dev/mmcblk0p2 * 262144 393215 131072 64M 83 Linux
/dev/mmcblk0p3 393216 15265791 14872576 7.1G 83 Linux

 


Disk /dev/mmcblk0boot1: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mmcblk0boot0: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/sda: 29.3 GiB, 31406948352 bytes, 61341696 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x0003a4bb

Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 48828415 48826368 23.3G 83 Linux
/dev/sda2 48828416 61341695 12513280 6G 83 Linux
root@ubuntu:~#
root@ubuntu:~# parted -v
parted (GNU parted) 3.2
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by <http://git.debian.org/?p=parted/parted.git;a=blob_plain;f=AUTHORS>.
root@ubuntu:~# parted -l
[ 226.814754] blk_update_request: I/O error, dev mmcblk0rpmb, sector 0
Model: SanDisk Extreme (scsi)
D[ 226.909332] blk_update_request: I/O error, dev mmcblk0rpmb, sector 0
isk /dev/sda: 31.4GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number Start End Size Type File system Flags
 1 1049kB 25.0GB 25.0GB primary ext4 boot
 2 25.0GB 31.4GB 6407MB primary ext2


Error: /dev/mmcblk0rpmb: unrecognised disk label
Warning: Error fsyncing/closing /dev/mmcblk0rpmb: Input/output error
Retry/Ignore? I
Model: Generic SD/MMC Storage Card (sd/mmc)
Disk /dev/mmcblk0rpmb: 4194kB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:

Error: /dev/mmcblk0boot0: unrecognised disk label
Model: Generic SD/MMC Storage Card (sd/mmc)
Disk /dev/mmcblk0boot0: 4194kB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:

Error: /dev/mmcblk0boot1: unrecognised disk label
Model: Generic SD/MMC Storage Card (sd/mmc)
Disk /dev/mmcblk0boot1: 4194kB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:

Model: MMC DG4008 (sd/mmc)
Disk /dev/mmcblk0: 7820MB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number Start End Size Type File system Flags
 1 1049kB 134MB 133MB primary
 2 134MB 201MB 67.1MB primary ext3 boot
 3 201MB 7816MB 7615MB primary ext3


root@ubuntu:~#
root@ubuntu:~# partprobe
[ 255.205761] blk_update_request: I/O error, dev mmcblk0rpmb, sector 0
[ 255.388541] blk_update_request: I/O error, dev mmcblk0rpmb, sector 0
Warning: Error fsyncing/closing /dev/mmcblk0rpmb: Input/output error
[ 255.462549] blk_update_request: I/O error, dev mmcblk0rpmb, sector 0
Warning: Error fsyncing/closing /dev/mmcblk0rpmb: Input/output error

 

E.g error messages were gone on Ubuntu 18.04

#cat etc/os-release 
NAME="Ubuntu"
VERSION="18.04.2 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.2 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic
root@ubuntu:~# uname -a
Linux ubuntu 4.15.0-47-generic #50-Ubuntu SMP Wed Mar 13 10:44:52 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
root@ubuntu:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 111.8G 0 disk 
└─sda1 8:1 0 111.8G 0 part 
sdb 8:16 0 14.6G 0 disk 
├─sdb1 8:17 0 953M 0 part /boot
└─sdb2 8:18 0 13G 0 part /
mmcblk0 179:0 0 7.3G 0 disk 
└─mmcblk0p1 179:1 0 7.3G 0 part 
mmcblk0boot0 179:8 0 4M 1 disk 
mmcblk0boot1 179:16 0 4M 1 disk 
root@ubuntu:~# fdisk -l
Disk /dev/mmcblk0: 7.3 GiB, 7820083200 bytes, 15273600 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x59a55f1e

Device Boot Start End Sectors Size Id Type
/dev/mmcblk0p1 2048 15273599 15271552 7.3G 83 Linux


Disk /dev/mmcblk0boot1: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mmcblk0boot0: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/sda: 111.8 GiB, 120034123776 bytes, 234441648 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xea58cbf6

Device Boot Start End Sectors Size Id Type
/dev/sda1 2048 234441647 234439600 111.8G 83 Linux


Disk /dev/sdb: 14.6 GiB, 15693664256 bytes, 30651688 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xb809a037

Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 2048 1953791 1951744 953M 83 Linux
/dev/sdb2 1953792 29296639 27342848 13G 83 Linux
root@ubuntu:~# parted -v
parted (GNU parted) 3.2
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by <http://git.debian.org/?p=parted/parted.git;a=blob_plain;f=AUTHORS>.
root@ubuntu:~# parted -l
Model: ATA SATA SSD (scsi)
Disk /dev/sda: 120GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number Start End Size Type File system Flags
 1 1049kB 120GB 120GB primary xfs


Model: SanDisk Extreme (scsi)
Disk /dev/sdb: 15.7GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number Start End Size Type File system Flags
 1 1049kB 1000MB 999MB primary ext4 boot
 2 1000MB 15.0GB 14.0GB primary ext4


Model: MMC DG4008 (sd/mmc)
Disk /dev/mmcblk0: 7820MB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number Start End Size Type File system Flags
 1 1049kB 7820MB 7819MB primary


Error: /dev/mmcblk0boot0: unrecognised disk label
 Model: Generic SD/MMC Storage Card (sd/mmc)
Disk /dev/mmcblk0boot0: 4194kB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:

Error: /dev/mmcblk0boot1: unrecognised disk label
 Model: Generic SD/MMC Storage Card (sd/mmc)
Disk /dev/mmcblk0boot1: 4194kB
Sector size (logical/physical): 512B/512B
Partition Table: unknown
Disk Flags:

root@ubuntu:~# partprobe
root@ubuntu:~#

User may find error messages have slightly differences , that would be different in kernel supports on partprobe command. 

 

 

 

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