[mythtv-users] Jitters during playback

Jim Oltman jim.oltman at gmail.com
Mon Jan 30 16:29:52 UTC 2012


On Mon, Jan 30, 2012 at 10:12 AM, Mitchell Gore <mitchell.gore at gmail.com>wrote:

> On Sun, Jan 29, 2012 at 9:46 PM, Mitchell Gore <mitchell.gore at gmail.com>wrote:
>
>> Well...I think I am finally on to something.  I did more testing with my
>> one frontend that doesnt have to have VDPAU running I still get errors.  I
>> started wondering if it was signal issues again.  Looking at my Prime im
>> nearly 100% across the board.  The for what ever reason I looked at my
>> backends ethernet interfaces.  upon running ifconfig I see:
>>
>> eth0      Link encap:Ethernet  HWaddr 00:0c:29:13:4d:14
>>           inet addr:192.168.0.10  Bcast:192.168.0.255  Mask:255.255.255.0
>>           inet6 addr: fe80::20c:29ff:fe13:4d14/64 Scope:Link
>>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>>           RX packets:107624064 errors:5742 dropped:22078 overruns:0
>> frame:0
>>           TX packets:25498717 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:1000
>>           RX bytes:661983497 (661.9 MB)  TX bytes:976156660 (976.1 MB)
>>           Interrupt:18 Base address:0x2000
>>
>> Im dropping ALOT of packets on the RX side of my network card.  Taking a
>> looking at the physical switch I see not errors.  Being my backend is VM on
>> ESXi right now I am upgradeing VMware tools and installing a new NIC that
>> is VMXNET3.  Hopefully I can get rid of the dropped packets and that will
>> fix all the errors in the video!
>>
>> Mitchelliscrossinghisfingers!
>>
>
> After upgrading VMware tools and using a VMXNET3 NIC the dropped packets
> went to 0.  Now my video plays back FLAWLESS.  Channel changes in LiveTV
> are a lot smother too!
>

Interesting.  I just checked my BE (that's running on ESXi 4.1u2) and it
has a few dropped packets as well (406) since last being rebooted a couple
weeks ago.  I'm using an E1000 NIC in ESXi for this box. Maybe I should
switch it over...
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