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Old 09-10-2010, 08:07 AM   #1
unkie888
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Intel 82574L Gigabit network card - issues and resolution


I am posting this so that if anyone has the same problem they will know what to do.

NIC: Intel 82574L Gigabit mobo network card

Issue: after the server has been up for a random amount of time, the network connection is lost. attaching a console and looking at ifconfig I see a large number of dropped packets and collisions.

use;
Code:
lspci -vxx
to list the make manufacture of NIC and the device driver it is using.

In this case: Intel 82574L, e1000e

Look in var/log/messages to get the version of the driver, in this case 1.0.2

Download .gz file with source code, follow instructions to install newest driver (e1000e.ko), in my case version 1.2.10

This resolved the issue.

Links

http://sourceforge.net/projects/e100...ar.gz/download
 
Old 09-10-2010, 08:28 AM   #2
strick1226
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Distribution: CentOS, Fedora, OS X, SLES, Ubuntu
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Nice find. Thanks for the detailed info and resolution!
 
Old 10-28-2010, 02:03 PM   #3
add123
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Registered: Oct 2010
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Hello,
I'm also seeing corruption with the 82574L, but I am also seeing strange entries in /proc/interrupts

33: 0 0 0 4834 0 0 165903 0 PCI-MSI-edge ahci
34: 0 0 0 0 177981 568 0 0 PCI-MSI-edge (random chars, looks like memory space of another process or data sent over the nic)
35: 0 0 0 0 0 5 0 0 PCI-MSI-edge eth0
36: 0 0 0 0 0 7294274 376401 0 PCI-MSI-edge (random chars, looks like memory space of another process or data sent over the nic)
37: 0 0 0 0 2960 0 104 0 PCI-MSI-edge eth1

Are you seeing this same type of corruption? I see it even with the 1.2.10 driver (although I haven't yet noticed drops/corruption with this driver). Not sure if it's cosmetic or something to worry about.
 
Old 04-07-2012, 09:17 AM   #4
hahacc
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Registered: Oct 2010
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more info here

actually this was caused by ASPM and MSI-X interrupts, you can find more info here: Resolved Intel e1000e driver bug on 82574L Ethernet controller causing network blipping
 
Old 04-13-2012, 01:21 AM   #5
hahacc
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Registered: Oct 2010
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Just for guys who may arrive here after searching:
1.there's kernel bug in intel 82574L e1000e driver on centos 6(MSI/MSI-X interrupts issue), we can resolve this by install kmod-e1000e package from ELrepo.org and later add pcie_aspm=off e1000e.IntMode=1,1 e1000e.InterruptThrottleRate=10000,10000 acpi=off to kernel parameters. You can read more info Intel e1000e driver bug on 82574L Ethernet controller causing network blipping.
2.For the high Tx traffic, this was caused by port 53 dns flooding attack. I've resolved this by writing some iptable rules. More info here: port 53 dns flooding attack
 
  


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