[mythtv-users] Natty Narwhal

[Mark Lord]

On 11-06-15 12:55 PM, Johnny Walker wrote:
> What's the easiest method to do that?
> 
> On Thu, May 19, 2011 at 11:07 PM, Mark Lord <mythtv at rtr.ca> wrote:
>> On 11-05-16 11:29 AM, Ben Kamen wrote:
>>> On 5/16/2011 10:28 AM, Henrik wrote:
>>>> I´d wait.
>>>> It broke power off for me, box hangs on powerdown.
>>>> Other than that it seems ok, so far.
>>>
>>> Interesting since Scientific Linux 6 does the same thing on my new box.
>>>
>>> It starts to shut down and then stops... and never powers off.
>>
>> Heh.. I've had kernels doing that on my mythtv box for years now.
>> There's a race/bug somewhere in the SMP power-off code.
>> I've tried to trace it many times, but the mere act of adding
>> trace printk()s to the code makes the problem go away,
>> as does enabling the serial console.
>>
>> My solution?  Enable the serial console at boot time on the mythtv box.
>> No more shutdown problems.

Stick this into the kernel boot parameters
somewhere in the GRUB configuration:

   console=ttyS0,115200 console=/dev/tty0