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Network problems... slow , packet loss http://forum.linhes.org/viewtopic.php?f=5&t=14793 |
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Author: | OwL [ Sun Apr 01, 2007 5:26 pm ] |
Post subject: | Network problems... slow , packet loss |
I am havng severe network problems.... lost packets slow speeds... I have downloaded the 2.6.20.4 stock kernel.org kernel + ivtv 0.10.1 and successfully built them.. But I am having severe problems with performance, and packet losses... this causes my frontend to stutter while streaming video over the network... ok... this is what is tried: 1. Changed cables - no luck 2. Changed NIC - no luck, in fact, they did not even detect properly! They showed up as eth0 in dmesg during boot, but when the boot was finished, they were gone.. ![]() 3. Checked correct autonegotiation - OK (100Mbit Full duplex) 4. Disabled all excess devices not used in BIOS - No luck (all the remaining devices have their own IRQ now) ifconfig shows no errors on the interface.. netstat -s shows some errors, but I don't know if they are relevant.... (they probably are.. ![]() Does anyone know what I should think of.... general tips on debugging these kind of things... ping -s 1000 -i 0.001 frontend -- gives about 1% packetloss (same ping from frontend to another computer does not lose any packets) all network traffic suffers, samba, NFS, SCP .... I have a Realtek 8139too network card... it worked perfectly on KnoppMyth R5C (2.6.15 kernel) Please help me.. ![]() |
Author: | bruce_s01 [ Fri Apr 06, 2007 2:09 pm ] |
Post subject: | |
It may be related to your point 2, did you change slots? Have you tried out an alternate switch, I know that some aren't that good? Bruce S. |
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