[lkml]   [1998]   [Aug]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: 100Mbps TCP stalls in 2.1.115
    On Sun, 9 Aug 1998, Rik van Riel wrote:

    > On Sun, 9 Aug 1998, Andi Kleen wrote:
    > > On Sun, Aug 09, 1998 at 02:36:49AM +0200, Zlatko Calusic wrote:
    > > >
    > > > I noticed that stalls are periodical, with period of about 2-3
    > > > minutes.
    > > >
    > > > I made a long ping session, and came up with this:
    > [SNIP]
    > > If ping is slow too it is probably a network driver problem,
    > > not a TCP problem.
    > I've been experiencing this problem with PPP too. If it
    > occurs on any more network drivers, I'd suspect some
    > upper layer instead...
    > Rik.

    Well finally others are having the same kind of stalls that I have
    been having since about linux-2.1.70-80. These 20-30 second stalls
    make editing over a PPP link pretty difficult.

    I think the stalls occur when a link error causes a single ACK to
    be lost. The recovery takes a long time, i.e., the length of
    time for a window-probe to be sent. Maybe this observation will
    point to something.

    My work-around, is to run my 56k link at 38k, disable VJ, and
    re-dial if it gets too bad.

    Dick Johnson
    Penguin : Linux version 2.1.113 on an i586 machine (66.15 BogoMips).
    Warning : It's hard to remain at the trailing edge of technology.

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 13:43    [W:0.019 / U:5.168 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site