[mythtv-users] recent dish external channel change problems?

Alex Williamson alex.l.williamson at gmail.com
Sun Nov 29 19:12:18 UTC 2009


On Sun, Nov 29, 2009 at 11:46 AM, Michael T. Dean
<mtdean at thirdcontact.com> wrote:
> On 11/29/2009 01:41 PM, Alex Williamson wrote:
>>
>> Nope, I even tried covering the IR transceiver and dish box with a
>> dark towel to see if it was external interference and had similar
>> results.  I also noticed that I started running a new kernel earlier
>> in the month, linux-2.6.28-15-generic vs -16-generic (ubuntu 9.04),
>> but reverting doesn't change anything.  I've also tried changing my
>> receiver to a different code set, dish1 vs dish2, but it didn't help
>> (I guess that's really just a prefix to the code).  Thanks for the
>> suggestions.
>
> My guess: too-preemptive kernel breaking timing.

The default "generic" kernel uses:

# CONFIG_PREEMPT is not set
CONFIG_PREEMPT_NOTIFIERS=y
# CONFIG_PREEMPT_NONE is not set
CONFIG_PREEMPT_VOLUNTARY=y

I get the same results on the "server" kernel, configured like this:

# CONFIG_PREEMPT is not set
CONFIG_PREEMPT_NOTIFIERS=y
CONFIG_PREEMPT_NONE=y
# CONFIG_PREEMPT_VOLUNTARY is not set

So, AFAICT, it's not preempt related.  Thanks,

Alex


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