From: Fabrice Bellard <fabrice@bellard.org>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Network Issue with NE2k-PCI (fix?)
Date: Wed, 29 Sep 2004 23:57:33 +0200 [thread overview]
Message-ID: <415B2FCD.1020103@bellard.org> (raw)
In-Reply-To: <20040923001951.GA21261@wormley.com>
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)
>
>
>
> _______________________________________________
> Qemu-devel mailing list
> Qemu-devel@nongnu.org
> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>
>
prev parent reply other threads:[~2004-09-29 22:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-23 0:19 [Qemu-devel] Network Issue with NE2k-PCI (fix?) Steve Wormley
2004-09-29 21:57 ` Fabrice Bellard [this message]
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