use ethtool to have a look at the device. As suggested use a new kernel,On Wed, Jul 16, 2008 at 02:05:02PM -0700, Amit Uttamchandani wrote:
> On Thu, 17 Jul 2008 00:49:30 +0700
> "Surachai Locharoen" <kan2005@gmail.com> wrote:
>
> > Hello I am running the following set up:
> >
> > A dell poweredge 1950: running Debian Etch
> >
> > - 1x Dual Core 64-bit Intel(r) Xeon(r) 5050, 2x2MB Cache, 3.00GHz,
> > 667MHz FSB
> > - 2GB 533MHz (4x512MB), Single Ranked DIMMs
> > - 2x 146GB,SAS, 3.5-inch, 10K RPM Hard Drive
> > - Integrated SAS/SATA RAID 1, PERC 5/i
> > - Redundant Power Supply with Y-Cord
> >
> >
> > Everything is fine on my server except for that fact that everytime I
> > try to connect the connection times out at first. It can take as much
> > as 1 minute for the connection to work.
> >
> > Then after a while my putty sessions, ssh session, apache sessions
> > time out.
> >
> > I've used tcpdump to look for network card errors and there seems to
> > be none. I've look through the logs no refused connections for apache.
> >
> > I have the Broadcom NetExtreme Dual Gigabyte Ethernet and I'm
> > starting to think maybe there is some weird problem with the bnx2
> > driver in the kernel I'm running.
> >
> > Linux cando 2.6.15-26-amd64-generic #1 SMP PREEMPT Thu Aug 3 02:52:35
> > UTC 2006 x86_64 GNU/Linux
> >
> > Another possibility I thought of is that some kind of power managment
> > or wake on Lan function is causing problems.
> >
> > However I booted up with ACPI=off so I thought that would disable
> > power managment.
> >
> > Where do I begin with this , it seems to be quite elusive and I can't
> > get a straight answer anywhere.
watch out for 23 (I think) + 24 the boradcom drivers were removed as
they changed and there was an issue with the firemware.
Have a look on the switch at the switch port, see if there any errors
there.
When you are getting these errors do a tcpdump on the client and the
server, eliminated any routers in the middle.
> --
> >
> > My ip is static but I know it's on a DHCP network so I was also
> > wondering if I'm having DHCP conflicts. I have to check with the
> > network admin tomorrow about that.
> >
> >
> > Summary:
> > First connect = wait 20s-1min with timeouts
> >
> > SSH, Apache, Putty session reset or timeout, then 20s-1min later all
> > seems fine.
> >
> > The interval is about every 10-30minutes.
> > Static IP behind nat 10.0.0.0 network
> >
> > Thanks in Advance for your help. Any clue would help.
> > If I can't figure this out soon my impulse is to replace the Broadcom
> > Dual Ethernet with an Intel Pro Dual or single Gigabyte Ethernet card.
> > I'd really like to avoid this if possible so see if you can give me a
> > lead.
> >
> > Thanks,
> >
>
>
> Hi there,
>
> You could try a newer kernel from backports.org. The latest one they
> have is 2.6.25. It might help. If you have grub set up on this system
> you can easily switch back to the old kernel at the startup menu if
> 2.6.25 doesn't work for you.
>
> Good luck,
> Amit
>
>
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>
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- George W. Bush
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