On Sat, 22 Sep 2007 21:56:04 -0400
ben soo <[email protected]> wrote:
> i spoke too soon. The Gbit interface still dies. Lasted around
> 19hrs. or so. i can't tell if there are hardware issues: yesterday
> a Gbit NIC on the firewall died. Different chip (Realtek),
> different driver, different machine, same segment. Segment is a
> mix of 100Mbit and 1Gbit machines.
>
> Symptoms of the failure are it just stops functioning with no error
> messages. ifconfig says there are packets being TX'd and none
> being RX'd. Interface can't be brought up again.
>
> i use this box as the secondary DNS for our Internet domains
> (unblocked by firewall), as well as the database server for our
> developmental web CMS and the LAN ntp server (both services
> invisible outside the LAN).
>
>
> dmesg says this on bootup:
>
> > ACPI: PCI Interrupt 0000:01:00.0[A] -> GSI 18 (level, low) -> IRQ 16
> > PCI: Setting latency timer of device 0000:01:00.0 to 64
> > sky2 0000:01:00.0: v1.17 addr 0xdfefc000 irq 16 Yukon-EC (0xb6) rev 2
> > sky2 eth0: addr 00:01:29:d6:35:f4
> > ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 19 (level, low) -> IRQ 17
> > PCI: Setting latency timer of device 0000:02:00.0 to 64
> > sky2 0000:02:00.0: v1.17 addr 0xdfcfc000 irq 17 Yukon-EC (0xb6) rev 2
> > sky2 eth1: addr 00:01:29:d6:36:26
Does your network switch support flowcontrol? The Yukon-EC may have
a hardware problem that happens if FIFO gets full. If flow control is enabled,
that shouldn't happen.
The newest version of the driver has a watchdog to try
and detect and do an automatic reset, but it still means there would be about
2 seconds of downtime.
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