03-29-2017 12:55 PM - edited 03-08-2019 09:58 AM
C6807-XL 15.2(1)SY0a
does anyone know what the recommended fix is?
%EARL-SW2_DFC2-1-EXCESSIVE_PARITY_ERROR: EARL 1: Parity error detected in VRAM
As I understand it we can upgrade one at a time and reboot them seperately
03-29-2017 01:31 PM
There is a bug associated with this error and IOS recommendation
CSCus64795
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCus64795/?referring_site=bugquickviewclick
Since they are configured as VSS, you would need an outage window to load the new IOS, change the boot variable, save and reboot both as the same time. You can also use ISSU to upgrade one at time but there are limitations. If you go with option 1, 6807 (fully loaded) takes about 10 minutes to reboot.
HTH
08-15-2019 10:53 PM
Cisco C6880-X-LE 15.4(1)SY2
We got the same error.
08-16-2019 02:12 AM - edited 08-16-2019 02:20 AM
Hello,
the error message in the bug description is
>> %EARL-1-EXCESSIVE_PARITY_ERROR: EARL 0: Parity error detected in VRAM
Your error message is a little different.
>> %EARL-SW2_DFC2-1-EXCESSIVE_PARITY_ERROR: EARL 1: Parity error detected in VRAM
I wonder if you can have an hardware issue on a DFC daughter card.
Or it is a different bug fixed in a later release.
see the related bug
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCve08850
This last one is fixed in 15.5(1)SY1.
Hope to help
Giuseppe
08-16-2019 06:35 AM - edited 08-16-2019 06:39 AM
Hello,
most times we can solve such problems by reloading only the affected linecard:
c6800#hw-module switch <switch> module <module> reset
This is much faster than reloading a VSS member- or standalone switch and has less impact.
Example:
%EARL-SW1_DFC2-1-EXCESSIVE_PARITY_ERROR: EARL 1: Parity error detected in VRAM
c6800#hw-module switch 1 module 2 reset
HTH
Rolf
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