<span id="_user_kari.salmela@lanwan.fi">Hi Kari,<br> I am having a smiliar problem with dvb on kernel </span><a href="http://2.6.15.6">2.6.15.6</a>. I recently had to upgrade my kernel for SATA driver support; before the kernel upgrade, dvb recordings were great.
<br> Did you ever find a solution?<br><br>Thanks!<br>Dave<br><br><div><span class="gmail_quote">On 5/27/06, <b class="gmail_sendername">Kari Salmela</b> <<a href="mailto:kari.salmela@lanwan.fi">kari.salmela@lanwan.fi</a>
> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hello<br><br>Lately with new builds (<1 month) I have been experiencing problems with
<br>recording or watching live tv. It seems like signal would be bad, but I<br>have checked and double checked the cables and everything should be okay<br>on that side. With set top box the signal is flawless. The system is
<br>only 1-5% CPU load when recording. I have too little memory for the box<br>(512MB) currently but I am not sure whether this is the problem since it<br>used to work without problems earlier. I will get more RAM hopefully
<br>soon, and maybe the problem disappears. Meanwhile, is anyone else<br>getting this and/or found out a solution? Any ideas how to debug this?<br>Sometimes (2-3 out of ten) recordings are ok, but there seems to be no<br>
common factor when everything works.<br><br>The errors in mythbackend.log are like this when recording:<br><br>2006-05-27 22:07:44.439 DVBRec(0): PID 0x28c discontinuity detected<br>2006-05-27 22:07:44.440 DVBRec(0): PID 0x240 discontinuity detected
<br>2006-05-27 22:07:44.441 DVBRec(0): PID 0x28a discontinuity detected<br>2006-05-27 22:07:44.442 DVBRec(0): PID 0x28d discontinuity detected<br>2006-05-27 22:07:44.439 DVBRec(1): PID 0x161 discontinuity detected<br>2006-05-27 22:07:
44.444 DVBRec(1): PID 0x261 discontinuity detected<br>2006-05-27 22:07:44.445 DVBRec(1): PID 0x361 discontinuity detected<br>2006-05-27 22:07:44.443 DVBRec(0): PID 0x28e discontinuity detected<br>2006-05-27 22:07:44.515 DVBRec(1): PID 0x102 discontinuity detected
<br>2006-05-27 22:07:44.534 DVBRec(1): PID 0x103 discontinuity detected<br>2006-05-27 22:07:44.536 DVBRec(1): PID 0x0 discontinuity detected<br>2006-05-27 22:07:44.536 DVBRec(1): PID 0x6b discontinuity detected<br>2006-05-27 22:07:
44.663 Writing PAT & PMT @213235804 + 1484448<br>2006-05-27 22:07:44.711 DVBRec(0): Packet dropped due to uncorrectable<br>error.<br>2006-05-27 22:07:44.713 DVBRec(0): Packet dropped due to uncorrectable<br>error.<br>
2006-05-27 22:07:44.714 DVBRec(0): PID 0x200 discontinuity detected<br>2006-05-27 22:07:44.714 DVBRec(0): PID 0x28e discontinuity detected<br>2006-05-27 22:07:44.825 DVBRec(1): PID 0x6e discontinuity detected<br>2006-05-27 22:07:
45.001 DVBRec(0): Packet dropped due to uncorrectable<br>error.<br>2006-05-27 22:07:45.002 DVBRec(0): PID 0x200 discontinuity detected<br>2006-05-27 22:07:45.003 DVBRec(0): PID 0x28e discontinuity detected<br>2006-05-27 22:07:
45.047 DVBRec(0): PID 0x28c discontinuity detected<br><br>and when playing the recording, there are dropouts and clicks in the sound.<br><br>When looking at my dmesg, I see that one dvb card is sharing interrupt<br>with ethernet adapter (irq11) and irq5 used by other card is also used
<br>by usb, but no usb devices are connected to system. Do you think this<br>could be the problem? I have moved cards to improve air circulation in<br>the box, but made other changes at that time as well.<br><br>I also tried hdparm according to suggestions in the mailing list, but it
<br>don't seem to help.<br><br>mythtv:/var/log/mythtv# hdparm /dev/hda<br><br>/dev/hda:<br> multcount = 16 (on)<br> IO_support = 3 (32-bit w/sync)<br> unmaskirq = 1 (on)<br> using_dma = 1 (on)<br> keepsettings = 0 (off)
<br> readonly = 0 (off)<br> readahead = 256 (on)<br> geometry = 24321/255/63, sectors = 390721968, start = 0<br><br>Setup:<br>M/B Asus A7V266-EX, 512MB RAM, Athlon XP 2400+, NVidia FX5200, Seagate<br>S-ATA 160GB
<br>2 x Technotrend DVB-C budget cards<br>Linux <a href="http://2.6.15.6">2.6.15.6</a> on Debian testing<br><br>mythtv:/var/log/mythtv# mythbackend --version<br>Library API version: 0.19.20060522-1<br>Source code version: 10047
<br>Options compiled in:<br> linux release using_xvmcw using_v4l using_oss using_alsa using_arts<br>using_jack using_ivtv using_firewire using_dbox2 using_hdhr using_ip_rec<br>using_lirc using_joystick_menu using_dvb using_x11 using_xv using_xrandr
<br>using_xvmc using_xvmc_vld using_frontend using_backend<br><br>Best regards<br><br>Kari<br><br>_______________________________________________<br>mythtv-users mailing list<br><a href="mailto:mythtv-users@mythtv.org">mythtv-users@mythtv.org
</a><br><a href="http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users">http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users</a><br></blockquote></div><br>