[mythtv-users] Interesting update

[Don Brett]

On 7/8/2018 11:58 AM, Jan Ceuleers wrote:
> On 08/07/18 16:01, Stephen Worthington wrote:
>> On Sun, 8 Jul 2018 08:46:52 -0400, you wrote:
>>
>>> On 7/7/2018 10:21 PM, Stephen Worthington wrote:
>>>> On Sat, 7 Jul 2018 21:57:05 -0400, you wrote:
>>>>
>>>>> Jul  7 21:04:36 nick kernel: [   41.946059] lircd[835]: segfault at 8 ip
>>>>> 0000000000427cd0 sp 00007ffc3475f148 error 4 in lircd[400000+35000]
>>>> This looks like the problem.  Lircd crashed on a segfault.
>>>>
>>> Coincidentally, I had a short power fail this morning and had to start
>>> my box from scratch; remotes stopped working again.
>>>
>>> I just found this, sounds like a good chance it's the culprit:
>>>
>>> 4.15.0 update breaks LIRC
>>> https://answers.launchpad.net/ubuntu/+question/670733
>>>
>>> I rebooted and picked the earlier kernel (4.13.0-45), remotes work
>>> fine.  How do we check to see if it's been reported as a bug?
>>>
>>> Don
>> What operating system are you running?  Your version of LIRC is rather
>> old (0.9.0), which is what Ubuntu 16.04 uses.  That suggests that you
>> are using Ubuntu 16.04 in some form.  But to get a 4.15 kernel on
>> Ubuntu 16.04, you must have upgraded it.  Somewhere between 16.04 and
>> 18.04, a proper up-to-date version of LIRC was introduced, and I think
>> it is likely to not have this problem.  It is likely only the
>> combination of a fairly new kernel and the old 0.9.0 LIRC that is
>> causing this.
> Note that Ubuntu 16.04's original kernel was 4.4. But Ubuntu are now
> tracking more recent kernel versions in subsequent point releases. The
> 16.04.5 point release upgraded the kernel from 4.13 to 4.15.
>
> More here:
>
> https://wiki.ubuntu.com/Kernel/LTSEnablementStack
>
> HTH, Jan
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Yes, I'm running 16.04....seems like I just build this box.  I'll keep 
running the earlier kernel on this one and build a replacement with 
18.04 in parallel.  I see that the newest and recommended method is to 
install a basic Ubuntu desktop, then install Mythtv via apt-get and do 
updates with ppa; does that sound correct?

Don


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