Rx overruns with e1000 card

From: Shilpi Agarwal (shilpi@cae.wisc.edu)
Date: Tue Jul 29 2003 - 12:05:52 EST


I am running a Pentium 4 machine 2.53 Ghz machine with 1Ghz RAM. Kernel is 2.4.18.
I am running it in Polling mode. The problem is i am having some occasional
packet loss due to receive overruns as shown by e1000 statistics at the packet
rate above 10000 (64 bytes) ...

Can any one please help me why i am getting this error?? The pci settings for
the NIC is ..the machine has anpther onboard NIC.

01:00.0 Ethernet controller: Intel Corp. 82544GC Gigabit Ethernet Controller (re
v 02)
        Subsystem: Intel Corp. PRO/1000 T Desktop Adapter
        Flags: bus master, 66Mhz, medium devsel, latency 252, IRQ 11
        Memory at ff8e0000 (32-bit, non-prefetchable) [size=128K]
        Memory at ff8c0000 (32-bit, non-prefetchable) [size=128K]
        I/O ports at dc00 [size=32]
        Expansion ROM at ff8a0000 [disabled] [size=128K]
        Capabilities: [dc] Power Management version 2
        Capabilities: [e4] PCI-X non-bridge device.
        Capabilities: [f0] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable

01:08.0 Ethernet controller: Intel Corp.: Unknown device 1039 (rev 81)
        Subsystem: Intel Corp.: Unknown device 300e
        Flags: bus master, medium devsel, latency 32, IRQ 11
        Memory at ff89f000 (32-bit, non-prefetchable) [size=4K]
        I/O ports at d880 [size=64]
        Capabilities: [dc] Power Management version 2


Shilpi Agarwal
Graduate Student
Dept of Electrical Engineering
University of Wisconsin
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