bonding driver issues: slave interface not coming up
From: John Jasen (jjasen_at_realityfailure.org)
Date: 06/27/05
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Date: Mon, 27 Jun 2005 16:21:38 -0400 (EDT) To: linux-kernel@vger.kernel.org
Hello;
In short, using redhat enterprise 4, we're attempting to bond two tg3
gigabit cards in XOR mode.
These cards are plugged into a cisco 2970 switch, configured with
etherchannel bonding in src-dst-mac, which looks to be mode 2.
The problem area is, upon boot, the first slave NIC does not come up.
Furthermore, running ethtool against the slave yields the following message:
[root@XXX ~]# ethtool eth0
Settings for eth0:
Cannot get device settings: Resource temporarily unavailable
Supports Wake-on: g
Wake-on: d
Current message level: 0x000000ff (255)
Link detected: no
Now, curiously enough, after boot, logging in and bringing down the
bonding interface, then bringing it back up will activate both
interfaces. ie:
ifdown bond0
ifup bond0
ethtool eth0
[root@XXX ~]# ethtool eth0
Settings for eth0:
Supported ports: [ MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: Not reported
Advertised auto-negotiation: No
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: off
Supports Wake-on: g
Wake-on: d
Current message level: 0x000000ff (255)
Link detected: yes
Attempts at debugging that we've taken and their results:
duplex/speed forced on both switch and card: no effect
turning off spanning tree protocol: no effect
enabling fastport: no effect
switching from tg3 to bcm5700 drivers: no effect
attempting to down and up the interface in /etc/rc.d/init.d/network: no
effect
attempting a script that runs after network and irqbalance to do the
same thing: no effect
putting something in rc.local to do the same: works, our current ugly
workaround
breaking the bond, using the interfaces as two independent NICS: works
restarting the bond0 interface manually: works
This problem also manifests on more than one system, which would seem to
preclude possible cable, host, or port problems.
Any ideas, or any further information I can send you to help diagnose?
Any help would be much appreciated.
-- -- John E. Jasen (jjasen@realityfailure.org) -- No one will sorrow for me when I die, because those who would -- are dead already. -- Lan Mandragoran, The Wheel of Time, New Spring - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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