[mythtv-users] TCP Fast retransmission and TCP Out-of-Order segment packets between backend and frontend with Airlink Powerline adapter resulting jittery pic

jack snodgrass mrlinuxgroups at gmail.com
Wed Aug 29 20:13:02 UTC 2007

On 8/29/07, Tim K <mymythtv007 at gmail.com> wrote:
> Hi,
> I use Airlink 101 85Mpbs adapter that interconnects my backend and frontend.
> When I'm watching recordings I get jittery picture which is really
> unusable to watch.
> I can see
> "TCP Fast retransmission (suspected)"
> and
> "TCP Out-of-Order segment"
> packets between backend and frontend with Airlink Powerline 85Mbps
> adapters resulting jittery picture.
> To save bandwidth in the list I have posted all mythtv systems core
> details (mythfrontend debug output, linux/kernel/IP info and wireshark
> screen captures etc.) and my guesses/speculations about the issue in
> here:
> http://mymytti.blogspot.com/2007/08/mythfronend-and-backend-config-info.html
> Thanks for help.
> Tim
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> mythtv-users at mythtv.org
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what does ifconfig show on that device? It's just a guess... but I'm
thinking that
your dropping packets on this powerline adapter and that's causing
your glitches....


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