Re: [Qemu-devel] Network Issue with NE2k-PCI (fix?)

[Fabrice Bellard]

Applied.

Fabrice.

Steve Wormley wrote:
> I was having serious performance issues with Win2000 Guest and the NE2k in
> qemu, things like pings of up to 16000ms lost packets, etc. I chased down
> the problem and it appears that the following fix resolved the issue on my
> system.
>
> Now pings are:
>
> 151 packets transmitted, 151 packets received, 0% packet loss
> round-trip min/avg/max = 2.207/17.174/195.239 ms
>
>
> --- qemu/hw/i8259.c     Sun Jun 20 05:58:36 2004
> +++ qemu-sw/hw/i8259.c  Wed Sep 22 10:49:17 2004
> @@ -188,7 +196,11 @@
>      } else {
>          s->isr |= (1 << irq);
>      }
> +       /* We don't clear a level sensitive interrupt here */
> +    if (!(s->elcr & (1 << irq))) {
>      s->irr &= ~(1 << irq);
> +       };
> +
>  }
>  
>  int cpu_get_pic_interrupt(CPUState *env)
>
>
>
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