[mythtv-users] Why does my dvr randomly drop from the network?

[Kris B.]

On Sunday, September 25, 2011 9:03 AM, "Rick" <rbonafied at gmail.com>
wrote:
> On 09/24/2011 02:00 PM, PJ wrote:
> >> On 09/24/2011 11:28 AM, Michael Watson wrote:
> >>> On 25/09/2011 01:09, Rick wrote:
> >>>> On 09/24/2011 09:47 AM, John Drescher wrote:
> >>>>> On Sat, Sep 24, 2011 at 9:23 AM, Rick<rbonafied at gmail.com>      wrote:
> >>>>>> Hi,
> >>>>>>
> >>>>>> I admit I'm in a bit of a panic and I'm fearful that the answer will be
> >>>>>> a bad motherboard.  I'm keeping an open mind!
> >>>>>>
> >>>>>> The problem is my DVR randomly drops from the network within the hour
> >>>>>> after a reboot.  The link beat it still there, it just stops
> >>>>>> communicating.  If I unplug the cable and plug it back in, it comes back
> >>>>>> to life.  If I rmmod r8169 and modprobe r8169 it comes back to life.
> >>>>>> If, however, I shut down eth0 and bring it back up, it doesn't come back
> >>>>>> to life.  I even reset the bios to defaults and started again.
> >>>>>>
> >>>>>> I figured it was something with the OS, so I just reloaded the OS from
> >>>>>> scratch and it happened again.  I'm freakin!
> >>>>>>
> >>>>> The realtek r8169  was never a good nic.
> >>>>>
> >>>>> John
> >>>>> _______________________________________________
> >>>>> mythtv-users mailing list
> >>>>> mythtv-users at mythtv.org
> >>>>> http://www.mythtv.org/mailman/listinfo/mythtv-users
> >>>>>
> >>>> Is there a setting or something I could try?  That nic is all I have at
> >>>> the moment.
> >>>> _______________________________________________
> >>>> mythtv-users mailing list
> >>>> mythtv-users at mythtv.org
> >>>> http://www.mythtv.org/mailman/listinfo/mythtv-users
> >>> Before you jump to the conclusion that it is your network card causing
> >>> the issue, try running a few tests.
> >>> The Realtek R8169 may not be a good network card, but they do still
> >>> work. (and ultra cheap)
> >>>
> >>>
> >>> Try a different port in the hub.
> >>> Try a different network cable.
> >>>
> >>> Regards
> >>> Michael
> >>>
> >>>
> >>> _______________________________________________
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> >>> mythtv-users at mythtv.org
> >>> http://www.mythtv.org/mailman/listinfo/mythtv-users
> >>>
> >>
> >> I've tried a different port (no difference).  I'll go try a different
> >> network cable.
> >> _______________________________________________
> >> mythtv-users mailing list
> >> mythtv-users at mythtv.org
> >> http://www.mythtv.org/mailman/listinfo/mythtv-users
> >>
> > I'm having similar problems with my home server's Realtek RTL8111 after
> > it overheated this summer. It hangs almost immediately when link speed
> > is 1 Gbps or it's offloading features are enabled. As a temporary
> > solution I'm using it with 100 Mbps switch and most offloading features
> > disabled and it has been stable.
> >
> > You can try to use ethtool to set link speed to lower value and to
> > disable some offloading features in case some of them are enabled by
> > default.
> >
> > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at mythtv.org
> > http://www.mythtv.org/mailman/listinfo/mythtv-users
> >
> I took your advice and downloaded the latest Realtek drivers. 
> Unfortunately, it still dropped from the network.  I've also changed the 
> offload settings.
> 
> score so far -> me: 0, network card: 500  :)
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> mythtv-users at mythtv.org
> http://www.mythtv.org/mailman/listinfo/mythtv-users
> 

At the worst of it, you can buy another card or a usb ethernet port for
$10-$20 and still live, so don't despair.

-- 
  Kris B.
  krisbee at krisbee.com