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<div class="moz-cite-prefix">Try without -b switch.<br>
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On 6/10/2015 1:56 PM, Davor Spasoski wrote:<br>
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<p class="MsoNormal">Hi, <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m having a problem with dvblast with more
than one instance running.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">My environment is:<o:p></o:p></p>
<p class="MsoListParagraph"
style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="mso-list:Ignore">-<span style="font:7.0pt "Times
New Roman"">
</span></span><!--[endif]-->SLES11 running on SUN AMD x86
server with 4 cores, 1Gb NICs, plenty of RAM. alternatively I
test with a dual core Intel PC with same results<o:p></o:p></p>
<p class="MsoListParagraph"
style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="mso-list:Ignore">-<span style="font:7.0pt "Times
New Roman"">
</span></span><!--[endif]-->I use IP (UDP) MPTS sources from
DVB-T headend, directly from production switches. The same
sources feed the transmitters country-wide. The bitrate of the
source is 27 mbit/s per MUX. At the moment I’m using clear
only (unencrypted) muxes.<o:p></o:p></p>
<p class="MsoListParagraph"
style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="mso-list:Ignore">-<span style="font:7.0pt "Times
New Roman"">
</span></span><!--[endif]-->I filter up to 4 SIDs from the
input MUX using the following configuration files
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">mux1.conf<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><a class="moz-txt-link-abbreviated" href="mailto:224.10.3.1:5004@10.146.16.86">224.10.3.1:5004@10.146.16.86</a>
1 611<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><a class="moz-txt-link-abbreviated" href="mailto:224.10.3.2:5004@10.146.16.86">224.10.3.2:5004@10.146.16.86</a>
1 612<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">mux8.conf<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><a class="moz-txt-link-abbreviated" href="mailto:224.10.3.19:5004@10.146.16.86">224.10.3.19:5004@10.146.16.86</a>
1 1312<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><a class="moz-txt-link-abbreviated" href="mailto:224.10.3.16:5004@10.146.16.86">224.10.3.16:5004@10.146.16.86</a>
1 1314<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><a class="moz-txt-link-abbreviated" href="mailto:224.10.3.17:5004@10.146.16.86">224.10.3.17:5004@10.146.16.86</a>
1 1311<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><a class="moz-txt-link-abbreviated" href="mailto:224.10.3.18:5004@10.146.16.86">224.10.3.18:5004@10.146.16.86</a>
1 1313<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Problem description:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I start with a single instance of dvblast
like:<o:p></o:p></p>
<p class="MsoNormal">dvblast -D
@239.3.1.13:5500/udp/ifaddr=10.0.33.5 -b 8 -l -g
ip2ip_dvb_gw-D8 -c /home/user/mux8.conf<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">CPU reading is:<o:p></o:p></p>
<p class="MsoNormal">Cpu(s): 0.4%us, 0.7%sy, 0.0%ni,
98.0%id, 0.1%wa, 0.0%hi, 0.8%si, 0.0%st<o:p></o:p></p>
<p class="MsoNormal">load average: <o:p></o:p></p>
<p class="MsoNormal">0.12, 0.56, 1.29<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This is usually working pretty stable. But
if I run a second or n<sup>th</sup> instance od dvblast, for
example:<o:p></o:p></p>
<p class="MsoNormal">dvblast -D
@239.3.1.6:5500/udp/ifaddr=10.0.33.5 -b 8 -l -g
ip2ip_dvb_gw-D1 -c /home/use/mux1.conf<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">after a short while I get a flood of
discontinuity errors in the log, CPU utilization of dvblast
remains same, but overal the wa counter (waiting for io) jumps
to around 25% and consequently the load increases dramatically
(enough to saturate the PC)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Cpu(s): 0.0%us, 0.5%sy, 0.0%ni, 74.7%id,
24.7%wa, 0.0%hi, 0.1%si, 0.0%st<o:p></o:p></p>
<p class="MsoNormal">load average: 1.75, 1.17, 1.21<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We tested the sources with TS analyser on
the same connection and there wasn’t a single continuity error
in 24 hourse. Otherwise it would have been visible on STBs
country-wide.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">It is worth noting that sometimes the
problem appears with a single instance of dvblast.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I tried with or without –u switch but
nothing helps.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Any ideas?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Jun 10 12:10:17 srd2 ip2ip_dvb_gw-D8[4548]:
warning: TS discontinuity on pid 5931 expected_cc 15 got 11
(H.264/14496-10 video (MPEG-4/AVC), sid 1313)<o:p></o:p></p>
<p class="MsoNormal">Jun 10 12:10:17 srd2 ip2ip_dvb_gw-D1[4549]:
warning: TS discontinuity on pid 5052 expected_cc 5 got 7
(13818-3 audio (MPEG-2), sid 605)<o:p></o:p></p>
<p class="MsoNormal">Jun 10 12:10:17 srd2 ip2ip_dvb_gw-D8[4548]:
warning: TS discontinuity on pid 5031 expected_cc 6 got 14
(H.264/14496-10 video (MPEG-4/AVC), sid 1303)<o:p></o:p></p>
<p class="MsoNormal">Jun 10 12:10:17 srd2 ip2ip_dvb_gw-D8[4548]:
warning: TS discontinuity on pid 5012 expected_cc 5 got 13
(13818-3 audio (MPEG-2), sid 1301)<o:p></o:p></p>
<p class="MsoNormal">Jun 10 12:10:17 srd2 ip2ip_dvb_gw-D8[4548]:
warning: TS discontinuity on pid 5042 expected_cc 9 got 7
(13818-3 audio (MPEG-2), sid 1304)<o:p></o:p></p>
<p class="MsoNormal">Jun 10 12:10:17 srd2 ip2ip_dvb_gw-D1[4549]:
warning: TS discontinuity on pid 5521 expected_cc 10 got 5
(H.264/14496-10 video (MPEG-4/AVC), sid 612)<o:p></o:p></p>
<p class="MsoNormal">Jun 10 12:10:17 srd2 ip2ip_dvb_gw-D1[4549]:
warning: TS discontinuity on pid 5211 expected_cc 7 got 14
(H.264/14496-10 video (MPEG-4/AVC), sid 611)<o:p></o:p></p>
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<pre wrap="">_______________________________________________
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