[mythtv-users] HDHomeRun corruption

Eric Sharkey eric at lisaneric.org
Fri Feb 13 22:18:29 UTC 2009


On Fri, Feb 13, 2009 at 2:49 PM, Michael D. O'Brien <obrienmd at gmail.com> wrote:
> On advice from others, I checked out ifconfig and netstat -su. Here are my
> results:
>
> obrienmd at mythtv:~$ ifconfig
> eth1 Link encap:Ethernet HWaddr 00:21:85:1a:c0:17
> inet addr:192.168.123.111 Bcast:192.168.123.255 Mask:255.255.255.0
> inet6 addr: fe80::221:85ff:fe1a:c017/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:259430513 errors:0 dropped:671119702 overruns:0 frame:0

That's *way* too many dropped packets for a healthy network interface.

A packet will be dropped when it's received by the network card when
its internal buffer is full.  The CPU is responsible for periodically
emptying this buffer, which suggests that something is preventing this
from happening frequently enough, such as high disk I/O load or
something like that.

Eric Sharkey


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