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Date:      Fri, 20 Jun 2008 09:19:09 +0900
From:      Pyun YongHyeon <pyunyh@gmail.com>
To:        Alexander Sack <pisymbol@gmail.com>
Cc:        freebsd-net@freebsd.org
Subject:   Re: Network Instability when upgrading to 4GB of RAM
Message-ID:  <20080620001909.GB40128@cdnetworks.co.kr>
In-Reply-To: <18015461.post@talk.nabble.com>
References:  <944074f30804191423v93d1acet9246269e4072d46a@mail.gmail.com> <944074f30805022124n31e28fddkea80fcc78cbd8bc6@mail.gmail.com> <18015461.post@talk.nabble.com>

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On Thu, Jun 19, 2008 at 11:41:32AM -0700, Alexander Sack wrote:
 > 
 > 
 > 
 > Paul Haddad wrote:
 > > 
 > > All,
 > > As a follow up to myself I installed an Intel PCIe NIC and disabled the on
 > > board RTL based one and all my problems went away.  Been running with 4GB
 > > installed for a couple days now with absolutely no network issues. So
 > > seems
 > > like there's some problem with RTL NICs and >= 4GB of RAM.
 > > -- 
 > > Paul Haddad (paul.haddad@gmail.com paul@pth.com)
 > > _______________________________________________
 > > freebsd-net@freebsd.org mailing list
 > > http://lists.freebsd.org/mailman/listinfo/freebsd-net
 > > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
 > > 
 > > 
 > 
 > I have the EXACT same issues.  I'm sorry for arriving late to this thread
 > but I was searching around and my onboard, re0, chip=0x816810ec, rev=0x01,
 > gets Bad Packet Length on some ssh connections I have.  Basically I notice
 > this under some load (like while doing a portupgrade).
 > 
 > I doubt its the memory, the notebook is brand spank'n new (I don't think its
 > ECC RAM but it could be).  Based on this post it seems that there maybe a
 > bug in the RTL driver on 64-bit platforms?  Anyone else see this?  I may go
 > try to track this down myself.

re(4) had long standing bus_dma(9) bugs. I think I fixed most of
bus_dma related bugs in 7-stable. Some users still suffer from
instability issues but I guess it's different one that came from
lack of documentation of PCIe based controllers.
If you are not running 7-stable, try it 7-stable first and let me
know how it goes.

-- 
Regards,
Pyun YongHyeon



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