Apologies in advance for a somewhat long-winded post.
I am using an Asrock Celeron based N3150M board with a TT S2 6400 card
and a Digital Devices Cine S2 V7A card and 64bit kernels. The frontends
on the TT card are unused in favour of the DD card - the TT card is just
used for output. vdr is 2.3.9.
For a while now I have been assisting Daniel Scheller with testing his
mainline kernel DD drivers prior to release:
https://github.com/herrnst/dddvb-linux-kernel
Up until a few days ago, all was well, using his dd 0.9.32 drivers in
conjunction with kernel 4.15.0-rc6+.
The system was then updated to his dd 0.9.33 drivers and kernel 4.16+
and intermittent video/audio freezes of two to three seconds appeared.
After some driver bisecting it turns out that this is being caused by
the new kernel, not the dd drivers, (the problem occurs with the old
drivers in the new kernel.).
I am unsure quite where to start, to work out which kernel update has
caused this, but was hoping that the following log errors might point
somewhere useful:
Apr 11 09:46:18 vdr vdr[718]: [874] ERROR: driver buffer overflow on
device 1
Apr 11 09:57:20 vdr vdr[718]: [892] ERROR: 1 TS packet(s) not accepted
in Transfer Mode
Apr 11 10:11:29 vdr vdr[718]: [914] ERROR: 6 TS packet(s) not accepted
in Transfer Mode
Apr 11 10:21:13 vdr vdr[721]: [816] ERROR: driver buffer overflow on
device 1
Apr 11 10:21:21 vdr vdr[721]: [816] ERROR: driver buffer overflow on
device 1
Apr 11 10:39:33 vdr vdr[721]: [873] ERROR: 11 TS packet(s) not accepted
in Transfer Mode
Apr 12 14:37:32 vdr vdr[922]: [957] ERROR: TS packet not accepted in
Transfer Mode
Apr 12 14:37:32 vdr vdr[922]: [957] ERROR: TS packet not accepted in
Transfer Mode
Apr 12 14:37:32 vdr vdr[922]: [957] ERROR: TS packet not accepted in
Transfer Mode
Apr 12 14:37:33 vdr vdr[922]: [957] ERROR: TS packet not accepted in
Transfer Mode
Apr 12 14:37:33 vdr vdr[922]: [957] ERROR: TS packet not accepted in
Transfer Mode
Apr 12 14:37:34 vdr vdr[922]: [957] ERROR: TS packet not accepted in
Transfer Mode
Apr 12 14:37:34 vdr vdr[922]: [957] ERROR: TS packet not accepted in
Transfer Mode
Apr 12 14:37:34 vdr vdr[922]: [957] ERROR: TS packet not accepted in
Transfer Mode
The effect coinciding with these, is a frozen picture and mute audio for
up to several seconds.
Any help much appreciated.
Kind regards,
Richard Scobie
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