[mythtv-commits] Ticket #11202: channel scanning segfaults on analog tuner of pchdtv5500

MythTV noreply at mythtv.org
Sun Oct 28 04:47:28 UTC 2012


#11202: channel scanning segfaults on analog tuner of pchdtv5500
------------------------------------------------+-------------------------
 Reporter:  thomas.epperson@…                   |          Owner:  danielk
     Type:  Bug Report - Crash                  |         Status:  new
 Priority:  minor                               |      Milestone:  unknown
Component:  MythTV - Channel Scanner            |        Version:  0.25.2
 Severity:  medium                              |     Resolution:
 Keywords:  pchdtv5500, segfault, channel scan  |  Ticket locked:  0
------------------------------------------------+-------------------------

Comment (by thomas.epperson@…):

 Here is part of the verbose output of mythtv-setup -v all

 {{{
 2012-10-27 23:39:04.825066 I  SetPage(Scanning)
 2012-10-27 23:39:04.825117 I  SWiz: SetPage(): type(2) cardid(7)
 inputname(Television)
 2012-10-27 23:39:04.827038 I  V4LChannel(/dev/video0): Device name 'pcHDTV
 HD5500 HDTV' driver 'cx8800'.
 2012-10-27 23:39:04.827066 I  V4LChannel(/dev/video0): v4l2: 1 stream io:
 0 std io: 1 async io: 0 tuner 1 sliced vbi 0
 2012-10-27 23:39:04.847339 I  ChannelBase(7): Input #7: 'Television'
 schan(3) sourceid(3) ccid(7)
 2012-10-27 23:39:04.847347 I  ChannelBase(7): Input #8: 'Composite1'
 schan(0) sourceid(4) ccid(7)
 2012-10-27 23:39:04.847353 I  ChannelBase(7): Input #9: 'S-Video' schan(0)
 sourceid(4) ccid(7)
 2012-10-27 23:39:04.847359 I  ChannelBase(7): Current Input #8:
 'Composite1'
 2012-10-27 23:39:04.847874 I  Global TVFormat Setting 'NTSC'
 2012-10-27 23:39:04.847891 I  V4LChannel(/dev/video0): Input #7:
 'Television' schan(3) tun() v4l1(Unknown) v4l2(NTSC)
 2012-10-27 23:39:04.847898 I  V4LChannel(/dev/video0): Input #8:
 'Composite1' schan(0) tun() v4l1(Unknown) v4l2(NTSC)
 2012-10-27 23:39:04.847904 I  V4LChannel(/dev/video0): Input #9: 'S-Video'
 schan(0) tun() v4l1(Unknown) v4l2(NTSC)
 2012-10-27 23:39:04.847913 I  V4LChannel(/dev/video0): SetFormat(Default)
 fmt(NTSC) input(8)
 2012-10-27 23:39:04.847924 I  V4LChannel(/dev/video0):
 SetInputAndFormat(8, NTSC) (v4l v2) input_switch: 0 mode_switch: 1
 2012-10-27 23:39:04.854043 I  ChScan: Scan()
 2012-10-27 23:39:04.856357 I  ChScan: ScanTransports(analog, analog, us-
 bcast)
 2012-10-27 23:39:04.856545 I  ChannelScanSM(/dev/video0): run -- begin
 2012-10-27 23:39:04.856708 I  ChannelScanSM(/dev/video0): Looked up freq
 table (analog, analog, us-bcast) w/68 entries
 2012-10-27 23:39:04.857264 I  ChannelScanSM(/dev/video0): Transport Scan
 Item 'us-bcast 2' #2
 }}}

 So it appears it is trying to scan for the composite instead of the
 television input. It tries to use this input regardless of which card I
 select from "Input connections"

 {{{
 [V4L : /dev/video0 ] (Television) -> analog_channels
 [V4L : /dev/video0 ] (Composite1) -> other
 [V4L : /dev/video0 ] (S-Video) -> other
 }}}

-- 
Ticket URL: <http://code.mythtv.org/trac/ticket/11202#comment:3>
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