Re: [patch] voluntary-preempt-2.6.9-rc2-mm3-S5

From: K.R. Foley (kr_at_cybsft.com)
Date: 09/24/04

  • Next message: Adrian Cox: "Re: [PATCH][2.6] Add command function to struct i2c_adapter" 
    Date:	Thu, 23 Sep 2004 22:30:54 -0500
To: "K.R. Foley" <kr@cybsft.com>

    K.R. Foley wrote:
    > Ingo Molnar wrote:
    >
    >> i've released the -S5 VP patch:
    >>
    >>
    >> http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc2-mm3-S5
    >>
    >
    >
    > This one seems to bring back some issues with the network interface. The
    > only noticeable symptom is dropping ~30 percent of new telnet
    > connections under heavy load. When not loaded it still drops ~5 percent.
    > I had no dropped connections with S4 even when loaded. This just happens
    > to be one of things that I have been testing manually since I noticed
    > some problems with previous patches.
    >
    > Currently using an SMC card with a DEC 21140 chip and the tulip driver
    > on my SMP system.
    >
    > kr

    The following, on top of Ingo's patch above, fixes the problem with
    dropping new connections and doesn't have any adverse affects that I've
    seen:

    --- linux-2.6.9-rc2-pre-mm3/net/ipv4/tcp_output.c.orig 2004-09-23
    22:16:42.249435870 -0500
    +++ linux-2.6.9-rc2-pre-mm3/net/ipv4/tcp_output.c 2004-09-23
    22:12:03.911811945 -0500
    @@ -699,11 +699,6 @@

                             tcp_minshall_update(tp, mss_now, skb);
                             sent_pkts = 1;
    - /*
    - * Break out early - we'll continue later:
    - */
    - if (softirq_need_resched())
    - break;
                     }

                     if (sent_pkts) {

    -
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  • Next message: Adrian Cox: "Re: [PATCH][2.6] Add command function to struct i2c_adapter"

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