Andy,
Thanks for your patience. I am looking into this.
(assuming your eth0 device is 80003ES2LAN) Can you provide 'ethtool -e eth0' 
output?

-Tushar


-----Original Message-----
From: Andy Cress [mailto:[email protected]] 
Sent: Tuesday, August 09, 2011 2:21 PM
To: [email protected]
Subject: [E1000-devel] e1000e check_mng_mode issue


This may apply to other NICs with an IPMI BMC instead of AMT, but here's
my configuration:
Baseboard: Intel S5000PAL
Onboard NICs (2): 80003ES2LAN
And this has an IPMI BMC on the baseboard with sideband connections to
the onboard NICs.

# ethtool -I eth0
driver: e1000e
version: 1.0.2.5-NAPI
firmware-version: 1.0-0
bus-info: 0000:07:00.0

For the e1000e driver, the 80003ES2LAN uses the
e1000_check_mng_mode_generic() routine in manage.c.  It seems to always
return 0x18006 from the firmware semaphore register, regardless of
whether or not the firmware has any IPMI LAN channels enabled or not.
This routine is the same in the latest stable e1000e-1.4.4.tar.gz.  

The code indicates that it is checking for E1000_MNG_IAMT_MODE (3 << 1),
and the 0x06 part is always set.  Does this mean that the firmware
semaphore register bits that are checked apply to Intel AMT, but not to
IPMI?  

Should there be a different routine for IPMI (non-AMT) management
systems?

Andy


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