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Date: Thu, 07 Feb 2008 10:17:18 -0800 From: "Kok, Auke" <auke-jan.h.kok@...el.com> To: Pavel Machek <pavel@....cz> CC: kernel list <linux-kernel@...r.kernel.org>, e1000-devel@...ts.sourceforge.net, john.ronciak@...el.com, jeffrey.t.kirsher@...el.com, jesse.brandeburg@...el.com, Jeff Garzik <jgarzik@...ox.com> Subject: Re: [E1000-devel] e1000 1sec latency problem Pavel Machek wrote: > Hi! > > I have the famous e1000 latency problems: > > 64 bytes from 195.113.31.123: icmp_seq=68 ttl=56 time=351.9 ms > 64 bytes from 195.113.31.123: icmp_seq=69 ttl=56 time=209.2 ms > 64 bytes from 195.113.31.123: icmp_seq=70 ttl=56 time=1004.1 ms > 64 bytes from 195.113.31.123: icmp_seq=71 ttl=56 time=308.9 ms > 64 bytes from 195.113.31.123: icmp_seq=72 ttl=56 time=305.4 ms > 64 bytes from 195.113.31.123: icmp_seq=73 ttl=56 time=9.8 ms > 64 bytes from 195.113.31.123: icmp_seq=74 ttl=56 time=3.7 ms > > ...and they are still there in 2.6.25-git0. I had ethernet EEPROM > checksum problems, which I fixed by the update, but problems are not > gone. pavel, start using "e1000e" instead - this driver replaces e1000 for all the pci-express devices and has the infamous L1 ASPM disable patch to fix this issue. make sure you have CONFIG_E1000E=m/y in your .config, otherwise the old e1000 code will drive your card, and that driver does not have the fix. BAH, this is a good example how Linus' patch can wreak havoc - a lot of people will now not see fixes since they only go into e1000e, but people can unnoticed now go and use e1000 for too long... Auke -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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