Hello,

I do not work on that driver anymore, but our current support can be obtained 
using the e1000-devel list I’ve copied above.

If you do not get support through this email, please let me know.

Thanks,

Carolyn

From: KyungWon Park [mailto:kw.park.per...@gmail.com]
Sent: Thursday, April 18, 2019 6:00 PM
To: Wyborny, Carolyn <carolyn.wybo...@intel.com>
Subject: Regarding LVMMC error of Intel igb driver

Hello

I've found your e-mail address on
https://git.digitalstrom.org/bsp/linux/commit/1516f0a6492a3d1bd9fbebeac331950986ec9a9b

I was running a server in home which has
Linux(ubuntu 18.04) installed with KVM.
I've passed intel igb vf to my VM through sr-iov
but

"igb 0000:82:00.1 enp130s0f1: malformed Tx packet detected and dropped, 
LVMMC:0x34000000"

pops up every 2 seconds on dmesg.

I am using intel i350-T4 nic for sr-iov

I was searching on the internet what is "LVMMC" and
what "0x34000000" means but only thing I could find was the link above.
Sometimes "LVMMC:0x74000000" errors pops up too.

What triggers LVMMC? I've turned off vf spoofcheck through ip utility in linux 
but seems like it doesn't work. (Still kernel warns me that VM tried to change 
MAC address which was set administratively, and reload the vf driver)

Thank you in advance.

Best.





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