[lkml]   [2008]   [Feb]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [E1000-devel] e1000 1sec latency problem
    Pavel Machek wrote:
    > On Thu 2008-02-07 14:32:16, Kok, Auke wrote:
    >> Pavel Machek wrote:
    >>> Hi!
    >>>>> I have the famous e1000 latency problems:
    >>>>> 64 bytes from icmp_seq=68 ttl=56 time=351.9 ms
    >>>>> 64 bytes from icmp_seq=69 ttl=56 time=209.2 ms
    >>>>> 64 bytes from icmp_seq=70 ttl=56 time=1004.1 ms
    >>>>> 64 bytes from icmp_seq=71 ttl=56 time=308.9 ms
    >>>>> 64 bytes from icmp_seq=72 ttl=56 time=305.4 ms
    >>>>> 64 bytes from icmp_seq=73 ttl=56 time=9.8 ms
    >>>>> 64 bytes from 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.
    >>> Ok, e1000e seems to work for me.
    >>> In another email, you asked for lspci -vvvv of failing e1000
    >>> case. Should I still provide it?
    >> well, if you do it you should see that L1 ASPM is now disabled (with e1000e)
    >> whereas with e1000 it is still enabled. That's the fix that you need...
    > Is there easy way to push that fix to e1000, too? Or print "use e1000e
    > instead" and refuse to load?

    well we're going to delete all pci-e related code from this driver soon anyway,
    but I am indeed writing a patch right now that prints out this warning...


     \ /
      Last update: 2008-02-08 00:19    [W:0.021 / U:13.568 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site