Random Network Drops on Realtek Interfaces (re)
pyunyh at gmail.com
Tue Sep 22 20:01:46 UTC 2009
On Mon, Sep 21, 2009 at 11:25:17PM -0600, Cassidy Larson wrote:
> I've been experiencing an intermittent issue with a drop in networking
> connectivity on a couple of boxes.
> At random times I drop connectivity between the servers and their
> gateway. I am able to login via the secondary interface and
> "/etc/netstart" and everything starts behaving as normal. My switch
> shows the link is up, ifconfig shows the link is up, but I am unable
> to ping my gateway until running "/etc/netstart". Somedays it'll
> happen a few times an hour, some days once every 8-10 hours. It really
> is intermittent, and driving me crazy trying to track down the issue.
> I've tried different cables, switches, gateways, IPs, and locations.
> Memtest for 5 days showed no errors. However, the same problem exists
> on two separate installs at different times. I am able to connect to
> the one server from the second via their secondary interfaces, so the
> problem isn't related to both network interfaces.
> Both servers have the Supermicro X7SLM-L motherboard, same CPU, RAM
> and disks. Using the Realtek network driver (re). pciconf shows:
> vendor = 'Realtek Semiconductor'
> device = 'Gigabit Ethernet NIC(NDIS 6.0) (RTL8168/8111)'
> class = network
> subclass = ethernet
> I've experienced the problem for some time now on both 7.2-RELEASE and
> 7.2-STABLE (09/20/09) using amd64.
> Any help or suggestions would be useful in getting to the bottom of this.
By chace can you find any messages in dmesg reported by re(4)?
dmesg output related to re(4) would be more helpful as RealTek
controllers used to show same device ids.
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