IOS message Cisco ASR920: %IOSXE-2-PLATFORM: R0/0: kernel: [ 1736.546538] EXT2-fs error (device mmcblk0p1): ext2_lookup: deleted inode referenced: 159247

[conor.maton]

Hello all,

I have a Cisco ASR920 and upgraded the IOS. Since then I have noticed the following message appear:

%IOSXE-2-PLATFORM: R0/0: kernel: [ 1736.546538] EXT2-fs error (device mmcblk0p1): ext2_lookup: deleted inode referenced: 159247

Any idea how I can resolve this please? Output of show version is below:

Cisco IOS XE Software, Version 03.18.06.SP.156-2.SP6-ext

Cisco IOS Software, ASR920 Software (PPC_LINUX_IOSD-UNIVERSALK9-M), Version 15.6(2)SP6, RELEASE SOFTWARE (fc4)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2019 by Cisco Systems, Inc.

Compiled Wed 10-Apr-19 04:32 by mcpre

Cisco IOS-XE software, Copyright (c) 2005-2019 by cisco Systems, Inc.

All rights reserved. Certain components of Cisco IOS-XE software are

licensed under the GNU General Public License ("GPL") Version 2.0. The

software code licensed under GPL Version 2.0 is free software that comes

with ABSOLUTELY NO WARRANTY. You can redistribute and/or modify such

GPL code under the terms of GPL Version 2.0. For more details, see the

documentation or "License Notice" file accompanying the IOS-XE software,

or the applicable URL provided on the flyer accompanying the IOS-XE

software.

ROM: IOS-XE ROMMON

BNVR-ACCR-01 uptime is 30 minutes

Uptime for this control processor is 32 minutes

System returned to ROM by reload at 09:05:16 BST Thu Oct 29 2020

System image file is "bootflash:asr920igp-universalk9.03.18.06.SP.156-2.SP6-ext.bin"

Last reload reason: PowerOn

This product contains cryptographic features and is subject to United

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Importers, exporters, distributors and users are responsible for

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If you require further assistance please contact us by sending email to

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License Level: advancedmetroipaccess

License Type: Permanent

Next reload license Level: advancedmetroipaccess

cisco ASR-920-12SZ-IM (Freescale T1042) processor (revision 1.2 GHz) with 908301K/6147K bytes of memory.

Processor board ID CAT2427U43C

20 Gigabit Ethernet interfaces

4 Ten Gigabit Ethernet interfaces

32768K bytes of non-volatile configuration memory.

3670016K bytes of physical memory.

3304223K bytes of SD flash at bootflash:.

Configuration register is 0x2102

[conor.maton · Accepted solution]

I solved the issue, it was down to a corrupt bootflash.

If anyone else had this issue I followed the below procedure:

1. Take a ‘show run’ of the ASR920 config
2. Insert a USB stick into the Cisco ASR920 (usb0:)
3. Copy the IOS from flash: to usb0:
4. Format the bootflash directory: (format bootflash:)
5. Write the config that is already on the Cisco ASR920
6. Copy the IOS from USB to Flash: (copy usb0:asr920igp-universalk9.03.18.06.SP.156-2.SP6-ext.bin flash:)
7. Checked show run to ensure the ‘boot system bootflash:asr920igp-universalk9.03.18.06.SP.156-2.SP6-ext.bin’ is still there
8. Reload the device
9. Ensure bootup and the correct IOS has loaded via ‘show version’