re(4) problem
Pyun YongHyeon
pyunyh at gmail.com
Sun Mar 9 18:49:10 PDT 2008
On Sat, Mar 08, 2008 at 04:36:55PM -0300, JoaoBR wrote:
> On Saturday 08 March 2008 09:46:13 Abdullah Ibn Hamad Al-Marri wrote:
> > ----- Original Message ----
> >
> > > From: Daniel Gerzo <danger at FreeBSD.org>
> > > To: Pyun YongHyeon <pyunyh at gmail.com>
> > > Cc: Daniel Gerzo <danger at FreeBSD.org>; current at FreeBSD.org;
> > > yongari at FreeBSD.org Sent: Saturday, March 8, 2008 2:11:03 AM
> > > Subject: Re[2]: re(4) problem
> > >
> > > Hello Pyun,
> > >
> > > Friday, March 7, 2008, 5:38:15 AM, you wrote:
> > > > I guess your issue is not related with bus_dma fixes but improper
> > > > handling of link state. Try attached patch and let me know how it
> > > > goes.
> > >
> > > The attached patch didn't help, the box is again in the same status.
> > > Can I provide you with some more detailed debugging info, or do you
> > > have some other ideas what could be fixed?
> > >
> > > I could probably manage a remote access to that box, but no remote
> > > console is available, and I don't know exactly how to trigger this
> > > scenario, but I think it depends on the amount of traffic being sent
> > > over the device.
> > >
> > > --
> > > Best regards,
> > > Daniel mailto:danger at FreeBSD.org
> >
> > I'm using RELENG_7 too with pf, and I face the same problem for my mail
> > server, which only gets new messages, and doesn't send anything since the
> > outgoing mail runs on another servers.
> >
> > To get it working smoothly I have to reboot it every 3 days, otherwise I'll
> > get packet loss even when I ping it from another server in the same lan.
> >
>
>
> I get actually around the problem by setting
>
> ifconfig re0 ... -txcsum -rxcsum -lro -tso
>
> which still shows the problem from time to time but seems that additional
>
> sysctl net.inet.tcp.tso=0
>
> seems to help, I am over a week running fine with it
>
It seems that you've already disabled TSO on re(4) interface.
Disabling system-wise TSO wouldn't affect re(4)'s TSO operation
anymore. If it helps re(4) stability it would indicate other
problems in kernel.
--
Regards,
Pyun YongHyeon
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