On Fri, Jun 02, 2006 at 04:16:08PM +0200, Patrick McHardy wrote:
> Which network driver are you using?
I've seen it with two completely different NICs at the sender side:
0000:02:08.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro
100] (rev 05)
0000:02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5751
Gigabit Ethernet PCI Express (rev 01)
Snippet from bootlog:
Jun 2 16:24:05 posio kernel: e100: Intel(R) PRO/100 Network Driver,
3.5.10-k2-NAPI
Jun 2 16:24:05 posio kernel: e100: Copyright(c) 1999-2005 Intel Corporation
Jun 2 16:24:05 posio kernel: ACPI: PCI Interrupt 0000:02:08.0[A] -> GSI 16
(level, low) -> IRQ 16
Jun 2 16:24:05 posio kernel: e100: eth0: e100_probe: addr 0x40400000, irq 16,
MAC addr 00:08:C7:69:29:AE
Jun 2 16:24:05 posio kernel: netconsole: device eth0 not up yet, forcing it
Jun 2 16:24:05 posio kernel: e100: eth0: e100_watchdog: link up, 100Mbps,
full-duplex
Jun 2 16:24:05 posio kernel: netconsole: carrier detect appears untrustworthy,
waiting 4 seconds
Jun 2 16:24:05 posio kernel: netconsole: network logging started
> Does this patch show anything in
> the ringbuffer?
no.
> --- a/net/core/netpoll.c
> +++ b/net/core/netpoll.c
> @@ -302,6 +302,9 @@ static void netpoll_send_skb(struct netp
> netpoll_poll(np);
> udelay(50);
> } while (npinfo->tries > 0);
> +
> + printk("failed to transmit\n");
> + kfree_skb(skb);
> }
>
> void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
--
Frank
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