[mythtv-users] CBS HD content suddenly doesn't play

[Scott D. Davilla]

>On Fri, Feb 13, 2009 at 4:42 PM, Brad Fuller 
><bradallenfuller at gmail.com> wrote:
>>  On Fri, Feb 13, 2009 at 4:19 PM, jedi <jedi at mishnet.org> wrote:
>>>  On Fri, Feb 13, 2009 at 03:08:20PM -0800, Brad Fuller wrote:
>>>>  On Fri, Feb 13, 2009 at 2:56 PM, jedi <jedi at mishnet.org> wrote:
>>>>  > /sys/module/processor/parameters/max_cstate
>>>>
>>>>  hmm... this does not exist on my ATV.
>>>
>>>  Is the "processor" module loaded? I see this loaded on
>>>  my ATV. I don't think I ever did anything special to
>>>  have it loaded either.
>>>
>>>  I am running pretty much stock Ubuntu 7.10.
>>
>>  $ sudo lsmod | grep processor
>>  processor              36872  3 acpi_cpufreq,thermal
>>
>>  $ uname -a
>>  Linux appletv 2.6.24-19-generic #1 SMP Wed Jun 18 14:43:41 UTC 2008
>>  i686 GNU/Linux
>
>$ ls -l /sys/module/processor
>total 0
>drwxr-xr-x 2 root root    0 2009-02-13 15:04 holders
>-r--r--r-- 1 root root 4096 2009-02-13 15:04 initstate
>drwxr-xr-x 2 root root    0 2009-02-13 15:04 notes
>-r--r--r-- 1 root root 4096 2009-02-13 15:04 refcnt
>drwxr-xr-x 2 root root    0 2009-02-13 15:04 sections
>-r--r--r-- 1 root root 4096 2009-02-13 15:04 srcversion
>
>no parameters directory
>

I remember something about new ubuntu distros not having that.

Thanks to the kernel gods,
they removed the ability to change max-cstate in userland.

Add "processor.max_cstate=2" to your kernel command-line and that
should fix it.