[mythtv-users] mythbackend Start-up issue - possible race with dvb device firmware loading

John Pilkington johnpilk222 at gmail.com
Wed Nov 18 15:14:07 UTC 2020

On 18/11/2020 10:40, John Pilkington wrote:
> On 18/11/2020 09:46, David Watkins wrote:
>> A bit more googling suggests it may be the backend testing the card 
>> which is triggering the firmware load, in which case I'm back to 
>> square one with trying to identify the problem.
>> I'll try increasing the timeouts on the card to see if that helps.
> I start myth manually.  On my  MythTV master/Fedora 32 box I have 
> recently noticed a pause, and sometimes a hang, between the setting of 
> delivery systems for DVB-T and DVB-T2.  On quitting and restarting after 
> a hang everything seems to work as normal.
> On seeing your post I ran 'dmesg | grep firmware' - and got screensful 
> of reports of downloads for si5128.  Usually, IIRC, it's done on boot; 
> now it appears to be happening in short bursts at around 200 s intervals...

After Stephen's post mentioning filesystem status links I fired up and 
mounted my NAS which had been offline recently after an RCD power trip 
caused by a defective pizza-oven element.  The firmware oddity is still 
happening.  The DVD-T pci card checks firmware status and is satisfied. 
  The dvb-tuner-si2158 for the MyGica device says it downloads the 
firmware every time.  I have had occasional failure to lock on a 
low-power DVB-T2 multiplex too, although once locked the recordings seem ok.

 > John P

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