Messages in this thread | | | Date | Thu, 19 Jun 2008 22:25:17 +0200 | From | "Vegard Nossum" <> | Subject | Re: Strange problem with e1000 driver - ping packet loss |
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On 6/19/08, Robert Hancock <hancockr@shaw.ca> wrote: > Srivatsa Vaddagiri wrote: > > > Hi, > > I happened to look at a system which was exhibiting poor ping > > performance with e1000 driver (in 2.6.25) and had some questions regarding > that. > > > > Ping test was done between the system and a laptop, which were connected > > using a straight ethernet cable. Ping reported round trip times running > > into seconds (!) and also packet loss. > > > > Upon some investigation, I found that the interrupt count field in > > /proc/interrupts (associated with eth1) is not incrementing as fast as > > it should. Moreover eth1 interrupt line is shared with the hard disk > > interrupt (ata_piix) as below:
Just FYI, it seems that more people have the same (?) problem:
http://www.ussg.iu.edu/hypermail/linux/kernel/0806.2/0499.html
It might be worth joining forces to fight down the bug once and for all if it's still not fixed after one and a half years? Sorry, I really meant error instead of bug.
Vegard
-- "The animistic metaphor of the bug that maliciously sneaked in while the programmer was not looking is intellectually dishonest as it disguises that the error is the programmer's own creation." -- E. W. Dijkstra, EWD1036
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