Date: Tue, 22 Sep 2009 13:00:53 -0700 From: Pyun YongHyeon <pyunyh@gmail.com> To: Cassidy Larson <alandaluz@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: Random Network Drops on Realtek Interfaces (re) Message-ID: <20090922200053.GA1520@michelle.cdnetworks.com> In-Reply-To: <d88efacd0909212225h3a301386p1446bc65a8b43cc9@mail.gmail.com> References: <d88efacd0909212225h3a301386p1446bc65a8b43cc9@mail.gmail.com>
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On Mon, Sep 21, 2009 at 11:25:17PM -0600, Cassidy Larson wrote: > All, > > 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. > > Thanks, > 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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