Hi all, 

over the weekend I upgraded to vdr-2.2.0, and I'm still seeing the same
problems. 

- vdr-2.2.0 from ftp://ftp.tvdr.de/vdr/vdr-2.2.0.tar.bz2
- vnsiserver from git (from yesterday)
- dddvb-0.9.22 (loaded as ddbridge msi=0)

Everything else is unchanged. 

Result: when the problem starts, 
1. switching channels does not help
2. restarting VDR does not help
3. stopping VDR, reloading driver, and restarting VDR does not help
4. only restarting the machine seems to help so far, for some time, until the
   problem occurs again. 

This is after 3.:

Feb  1 07:56:59 seneca vdr: [31887] VNSI: Client with ID 2 connected: 
192.168.20.200:37103
Feb  1 07:56:59 seneca vdr: [31939] VNSI: Welcome client 'XBMC Media Center' 
with protocol version '8'
Feb  1 07:56:59 seneca vdr: [31939] VNSI: LiveStreamer::Close - close
Feb  1 07:56:59 seneca vdr: [31939] VNSI: close video input ...
Feb  1 07:56:59 seneca vdr: [31939] VNSI: Successfully found following device: 
0x8aaee00 (2) for receiving
Feb  1 07:56:59 seneca vdr: [31940] device 2 receiver thread started 
(pid=31867, tid=31940, prio=high)
Feb  1 07:56:59 seneca vdr: [31939] VNSI: Successfully switched to channel 2 - 
ZDF HD
Feb  1 07:56:59 seneca vdr: [31939] VNSI: Started streaming of channel ZDF HD 
(timeout 10 seconds)
Feb  1 07:56:59 seneca vdr: [31943] device 2 TS buffer thread started 
(pid=31867, tid=31943, prio=high)
Feb  1 07:56:59 seneca vdr: [31942] cLiveStreamer stream processor thread 
started (pid=31867, tid=31942, prio=high)
Feb  1 07:56:59 seneca vdr: [31941] VNSI: VideoInput: no pat/pmt within 
timeout, falling back to channel pids
Feb  1 07:56:59 seneca vdr: [31941] VNSI: Video Input - new pmt, attaching 
receiver
Feb  1 07:57:00 seneca vdr: [31942] VNSI: Created stream for pid=6110 and type=8
Feb  1 07:57:00 seneca vdr: [31942] VNSI: Created stream for pid=6122 and type=1
Feb  1 07:57:00 seneca vdr: [31942] VNSI: Created stream for pid=6120 and type=2
Feb  1 07:57:00 seneca vdr: [31942] VNSI: Created stream for pid=6121 and type=2
Feb  1 07:57:00 seneca vdr: [31942] VNSI: Created stream for pid=6123 and type=2
Feb  1 07:57:00 seneca vdr: [31942] VNSI: Created stream for pid=6131 and type=9
Feb  1 07:57:00 seneca vdr: [31942] VNSI: Created stream for pid=6130 and 
type=11
Feb  1 07:57:02 seneca vdr: [31943] i/o throttle activated, count = 1 
(tid=31943)
Feb  1 07:57:03 seneca vdr: [31943] buffer usage: 70% (tid=31940)
Feb  1 07:57:03 seneca vdr: [31943] buffer usage: 60% (tid=31940)
Feb  1 07:57:03 seneca vdr: [31943] buffer usage: 70% (tid=31940)
Feb  1 07:57:04 seneca vdr: [31943] buffer usage: 80% (tid=31940)
Feb  1 07:57:04 seneca vdr: [31943] buffer usage: 90% (tid=31940)
Feb  1 07:57:05 seneca vdr: [31943] buffer usage: 100% (tid=31940)
Feb  1 07:57:06 seneca vdr: [31943] buffer usage: 60% (tid=31940)
Feb  1 07:57:06 seneca vdr: [31943] buffer usage: 70% (tid=31940)
Feb  1 07:57:06 seneca vdr: [31943] buffer usage: 60% (tid=31940)
Feb  1 07:57:06 seneca vdr: [31943] buffer usage: 70% (tid=31940)
Feb  1 07:57:06 seneca vdr: [31943] buffer usage: 80% (tid=31940)
Feb  1 07:57:07 seneca vdr: [31943] buffer usage: 90% (tid=31940)
Feb  1 07:57:08 seneca vdr: [31943] buffer usage: 100% (tid=31940)
Feb  1 07:57:09 seneca vdr: [31943] ERROR: driver buffer overflow on device 2
Feb  1 07:57:19 seneca vdr: message repeated 6 times: [ [31943] ERROR: driver 
buffer overflow on device 2]
Feb  1 07:57:20 seneca vdr: [31940] ERROR: skipped 123 bytes to sync on TS 
packet on device 2
Feb  1 07:57:21 seneca vdr: [31943] ERROR: driver buffer overflow on device 2
Feb  1 07:57:23 seneca vdr: [31943] ERROR: driver buffer overflow on device 2
Feb  1 07:57:23 seneca vdr: [31943] buffer usage: 60% (tid=31940)
Feb  1 07:57:23 seneca vdr: [31943] buffer usage: 70% (tid=31940)
Feb  1 07:57:24 seneca vdr: [31943] buffer usage: 80% (tid=31940)
Feb  1 07:57:25 seneca vdr: [31943] buffer usage: 90% (tid=31940)
Feb  1 07:57:26 seneca vdr: [31943] buffer usage: 100% (tid=31940)
Feb  1 07:57:26 seneca vdr: [31940] ERROR: skipped 123 bytes to sync on TS 
packet on device 2
Feb  1 07:57:27 seneca vdr: [31943] ERROR: driver buffer overflow on device 2
Feb  1 07:57:35 seneca vdr: message repeated 5 times: [ [31943] ERROR: driver 
buffer overflow on device 2]
Feb  1 07:57:36 seneca vdr: [31940] ERROR: skipped 51 bytes to sync on TS 
packet on device 2
Feb  1 07:57:36 seneca vdr: [31940] ERROR: skipped 72 bytes to sync on TS 
packet on device 2
Feb  1 07:57:37 seneca vdr: [31943] ERROR: driver buffer overflow on device 2
Feb  1 07:57:48 seneca vdr: message repeated 8 times: [ [31943] ERROR: driver 
buffer overflow on device 2]
Feb  1 07:57:49 seneca vdr: [31940] ERROR: skipped 33 bytes to sync on TS 
packet on device 2
Feb  1 07:57:49 seneca vdr: [31940] ERROR: skipped 90 bytes to sync on TS 
packet on device 2
Feb  1 07:57:50 seneca vdr: [31943] ERROR: driver buffer overflow on device 2

Again, this happens only when watching live TV with vnsiserver / kodi (on RPi2
with OpenELEC-latest or on Android 5.1.1 using Kodi-latest as from Google
Play). Every other combination (recording, watching recordings, watching live
TV with xineliboutput / vdr-sxfe (on Ubuntu 14.04-x86)) does not exhibit
the problem.  


I have no idea what I can do here. Any hint or help is appreciated. 

TIA! 



On Sat, Jan 30, 2016 at 10:40:19AM +0100, Harald Milz wrote:
> Hi all,
> 
> I recently changed the receivers of my VDR from two TeVii S660's to a Digital
> Devices Cine S2 + Duoflex card. Everything else remained unchanged on the VDR
> side of things. Since then, I encounter frequent (as in, once per day approx.)
> buffer overruns and resync probs. As it seems from the thread IDs, the TS or 
> VNSI
> buffer threads seem to cause the problem. But I may be wrong. 
> 
> Software versions: 
> - Ubuntu 14.04.3 LTS with Wily kernel (4.2.0-latest)
> - vdr-2.0.3 (ubuntu)
> - vnsiserver-latest from git (from a couple of days ago)
> - Kodi 6.0 as in Openelec-current on RPi2
> - dddvb driver 0.9.21 or 0.9.22 from Digital Devices git (current). 
> 
> As shown by the kernel log, the DD card is initialized just fine: 
> 
> [   14.704506] dvb_core: module verification failed: signature and/or 
> required key missing - tainting kernel
> [   14.744728] Digital Devices PCIE bridge driver 0.9.21, Copyright (C) 
> 2010-15 Digital Devices GmbH
> [   14.744921] DDBridge driver detected: Digital Devices Cine S2 V6.5 DVB 
> adapter
> [   14.744938] DDBridge: HW 0001000d REGMAP 00010004
> [   14.744972] DDBridge: using 1 MSI interrupt(s)
> [   14.746272] Port 0: Link 0, Link Port 0 (TAB 1): DUAL DVB-S2
> [   14.858090] Port 1: Link 0, Link Port 1 (TAB 2): DUAL DVB-S2
> [   14.859048] Port 2: Link 0, Link Port 2 (TAB 3): NO MODULE
> [   14.860003] Port 3: Link 0, Link Port 3 (TAB 4): NO MODULE
> [   14.861739] 0 netstream channels
> [   14.861742] DVB: registering new adapter (DDBridge)
> [   14.861744] DVB: registering new adapter (DDBridge)
> [   14.861745] DVB: registering new adapter (DDBridge)
> [   14.861746] DVB: registering new adapter (DDBridge)
> ...
> [   15.407636] LNBx2x attached on addr=a
> [   15.436794] stv6110x_attach: Attaching STV6110x
> [   15.436799] attach tuner input 0 adr 60
> [   15.436871] ddbridge 0000:05:00.0: DVB: registering adapter 0 frontend 0 
> (STV090x Multistandard)...
> ...
> [   15.472168] LNBx2x attached on addr=8
> [   15.472174] stv6110x_attach: Attaching STV6110x
> [   15.472176] attach tuner input 1 adr 63
> [   15.472256] ddbridge 0000:05:00.0: DVB: registering adapter 1 frontend 0 
> (STV090x Multistandard)...
> ...
> [   15.491106] LNB25 on 0c
> [   15.640527] ddbridge 0000:05:00.0: DVB: registering adapter 2 frontend 0 
> (STV0910)...
> [   15.642001] LNB25 on 0d
> [   15.645682] ddbridge 0000:05:00.0: DVB: registering adapter 3 frontend 0 
> (STV0910)...
> 
> When running, after a while these error messages can be seen: 
> 
> Jan 23 11:15:46 seneca vdr: [7888] VNSI: Successfully switched to channel 14 
> - KiKA HD
> Jan 23 11:15:46 seneca vdr: [7888] VNSI: Started streaming of channel KiKA HD 
> (timeout 10 seconds)
> Jan 23 11:15:46 seneca vdr: [7891] cLiveStreamer stream processor thread 
> started (pid=2593, tid=7891, prio=high)
> Jan 23 11:15:46 seneca vdr: [7892] TS buffer on device 2 thread started 
> (pid=2593, tid=7892, prio=high)
> Jan 23 11:15:46 seneca vdr: [7890] VNSI: VideoInput: no pat/pmt within 
> timeout, falling back to channel pids
> Jan 23 11:15:46 seneca vdr: [7890] VNSI: Video Input - new pmt, attaching 
> receiver
> Jan 23 11:15:47 seneca vdr: [7891] VNSI: Created stream for pid=6610 and 
> type=8
> Jan 23 11:15:47 seneca vdr: [7891] VNSI: Created stream for pid=6622 and 
> type=1
> Jan 23 11:15:47 seneca vdr: [7891] VNSI: Created stream for pid=6620 and 
> type=2
> Jan 23 11:15:47 seneca vdr: [7891] VNSI: Created stream for pid=6621 and 
> type=2
> Jan 23 11:15:47 seneca vdr: [7891] VNSI: Created stream for pid=6631 and 
> type=9
> Jan 23 11:15:47 seneca vdr: [7891] VNSI: Created stream for pid=6630 and 
> type=11
> Jan 23 11:15:49 seneca vdr: [7892] i/o throttle activated, count = 1 
> (tid=7892)
> Jan 23 11:15:50 seneca vdr: [7892] buffer usage: 70% (tid=7889)
> Jan 23 11:15:50 seneca vdr: [7892] buffer usage: 80% (tid=7889)
> Jan 23 11:15:50 seneca vdr: [7892] buffer usage: 60% (tid=7889)
> Jan 23 11:15:50 seneca vdr: [2746] VNSI: Timers state changed (13)
> Jan 23 11:15:50 seneca vdr: [2746] VNSI: Requesting clients to reload timers
> Jan 23 11:15:52 seneca vdr: [7892] buffer usage: 70% (tid=7889)
> Jan 23 11:15:52 seneca vdr: [7892] buffer usage: 80% (tid=7889)
> Jan 23 11:15:52 seneca vdr: [7892] buffer usage: 90% (tid=7889)
> Jan 23 11:15:53 seneca vdr: [7892] buffer usage: 100% (tid=7889)
> Jan 23 11:15:54 seneca vdr: [2746] VNSI: Timers state changed (14)
> Jan 23 11:15:54 seneca vdr: [2746] VNSI: Requesting clients to reload timers
> Jan 23 11:15:54 seneca vdr: [7892] ERROR: driver buffer overflow on device 2
> Jan 23 11:15:58 seneca vdr: message repeated 2 times: [ [7892] ERROR: driver 
> buffer overflow on device 2]
> Jan 23 11:16:00 seneca vdr: [7889] ERROR: skipped 123 bytes to sync on TS 
> packet on device 2
> Jan 23 11:16:03 seneca vdr: [7892] ERROR: driver buffer overflow on device 2
> Jan 23 11:16:04 seneca vdr: [7892] buffer usage: 60% (tid=7889)
> Jan 23 11:16:04 seneca vdr: [7889] ERROR: skipped 123 bytes to sync on TS 
> packet on device 2
> Jan 23 11:16:04 seneca vdr: [7892] i/o throttle released, count = 0 (tid=7892)
> Jan 23 11:16:05 seneca vdr: [7892] i/o throttle activated, count = 1 
> (tid=7892)
> Jan 23 11:16:06 seneca vdr: [7892] buffer usage: 70% (tid=7889)
> Jan 23 11:16:06 seneca vdr: [7892] buffer usage: 60% (tid=7889)
> Jan 23 11:16:06 seneca vdr: [7892] buffer usage: 70% (tid=7889)
> Jan 23 11:16:06 seneca vdr: [7892] buffer usage: 60% (tid=7889)
> Jan 23 11:16:06 seneca vdr: [7892] buffer usage: 70% (tid=7889)
> Jan 23 11:16:06 seneca vdr: [7892] buffer usage: 60% (tid=7889)
> Jan 23 11:16:06 seneca vdr: [7892] buffer usage: 70% (tid=7889)
> Jan 23 11:16:06 seneca vdr: [7892] buffer usage: 60% (tid=7889)
> Jan 23 11:16:06 seneca vdr: [7892] buffer usage: 70% (tid=7889)
> Jan 23 11:16:06 seneca vdr: [7892] buffer usage: 60% (tid=7889)
> Jan 23 11:16:07 seneca vdr: [7892] buffer usage: 70% (tid=7889)
> Jan 23 11:16:07 seneca vdr: [7892] buffer usage: 80% (tid=7889)
> Jan 23 11:16:08 seneca vdr: [7892] buffer usage: 60% (tid=7889)
> Jan 23 11:16:08 seneca vdr: [7892] buffer usage: 70% (tid=7889)
> Jan 23 11:16:08 seneca vdr: [7892] buffer usage: 60% (tid=7889)
> Jan 23 11:16:09 seneca vdr: [7892] buffer usage: 70% (tid=7889)
> 
> 
> and voilĂ , decoding errors, blocks, resyncs. The fun part is, it is not enough
> to restart VDR (and hence, vnsiserver) or unload and reload the kernel
> modules, but I actually need to restart the _machine_ in order to get away
> with this. 
> 
> Both device 1 and device 2 are attached to Astra, these are two independent
> LNBs with no multiswitch or anything inbetween. It makes no difference if the
> current channel is on 1 or 2, so it should not be the LNBs (how?) or the
> receiver modules on the DD card. 
> 
> This does not happen when watching live streams with xineliboutput / vdr-sxfe,
> and also not if I watch recordings using vnsiserver / kodi. Only when it's 
> live
> streams and vnsiserver / kodi. Happens with HD or SD channels. Does not go
> away when switching channels. Recording works just fine without any problems. 
> 
> I opened a ticket with Digital Devices but for now I haven't got a clue from
> them, and also no answer in the VNSI / Kodi forum, so I hope that somebody
> here might have a clue where to look. 
> 
> And sorry for using an old VDR version but this is where I am. Going to
> upgrade to 2.2.0 with Ubuntu 16.04 as soon as it's available. This is a
> "production" (as in "high WAF required") machine. ;-) 
> 
> TIA! 
> 
> 
> -- 
> FORTUNE PROVIDES QUESTIONS FOR THE GREAT ANSWERS: #13
> A:    Doc, Happy, Bashful, Dopey, Sneezy, Sleepy, & Grumpy
> Q:    Who were the Democratic presidential candidates?
> 
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