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snaproll
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 Posted: Wed Mar 28, 2007 1:01 pm |
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Joined: Sun Jul 24, 2005 4:16 pm
Posts: 508
Location:
Ft. Worth TX
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tscholl wrote: I believe the problem is related to Myth and not your hardware.
When I was running R5C7, I rarely if ever had this problem. (Myth v19)
I still run an R5C7 box, which never does it... and two R5E50 boxes, both of which do it repeatedly, but not constantly...
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declanh
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Posted: Wed Mar 28, 2007 3:02 pm |
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Joined: Wed Aug 24, 2005 3:44 am
Posts: 210
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anyone know what the latest version of knoppymyth with mythtv 0.19 as oppposed to 0.20 is ?
is it R5d1 ?
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Too Many Secrets
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Posted: Wed Mar 28, 2007 3:10 pm |
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Joined: Fri Oct 20, 2006 12:04 pm
Posts: 905
Location:
LA, CA
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declanh wrote: anyone know what the latest version of knoppymyth with mythtv 0.19 as oppposed to 0.20 is ?
is it R5d1 ?
I'm running R5D1 and it is .19 - however I have this problem also, so D1 isn't a 'fix'.
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declanh
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Posted: Wed Mar 28, 2007 6:09 pm |
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Joined: Wed Aug 24, 2005 3:44 am
Posts: 210
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Update on this :
Tonight I installed ubuntu 6.10 desktop and mythtv + plugins...
All was working great (watching livetv) for about 2 hours (got thru about 3 program changes) and then the dreaded error "Error Was encountered while displaying video"
Ive now just realised that ubuntu is based on debian (as is knoppix) - so im not really sure im testing that much...
I'll have to try a different distro based on another provider - thinking of either mandriva or Fedora Core. If the same error is happening in all of these then its either a mythtv bug or a hardware issue.
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declanh
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Posted: Thu Mar 29, 2007 5:59 pm |
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Joined: Wed Aug 24, 2005 3:44 am
Posts: 210
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Ok Tonight I tried again - this time i built from scratch Mythdora and surprise surprise "Error Was encountered while displaying video" occured at program change aftr a couple of hours without hitch
So thats knoppix (knoppmyth), ubuntu and fedora core all tried but none successfully watch livetv without "Error Was encountered while displaying video"
So thats kind of ruling out the OS as a culprit and leaving mythtv as the most likely candidate.
D
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declanh
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Posted: Sat Mar 31, 2007 2:32 am |
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Joined: Wed Aug 24, 2005 3:44 am
Posts: 210
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Ok, last night i downloaded the ISO for Knoppmyth R5C7 burn it and installed it....
Left it running watching LiveTV for several hours and ...
surprise surprise "Error Was encountered while displaying video" occured
Arrrgggghh !!!
Again it seems to be the same problem... excpert from backend.log
Code: 2007-03-31 06:35:04.366 Finished recording The Hoobs "Stories": channel 1004
0: start_time: 5631.244 duration: 134.946
1: start_time: 5631.195 duration: 134.916
2: start_time: 5631.183 duration: 134.929
3: start_time: 5631.183 duration: 135.007
stream: start_time: 62568.701 duration: 1500.078 bitrate=3641 kb/s
2007-03-31 06:35:05.939 AFD: Opened codec 0x8d7d2d0, id(MPEG2VIDEO) type(Video)
2007-03-31 06:35:05.976 AFD: Opened codec 0x8aef190, id(MP3) type(Audio)
2007-03-31 06:35:05.998 AFD: Opened codec 0x8c69ea0, id(MP3) type(Audio)
2007-03-31 06:35:06.000 AFD: Opened codec 0x8db5150, id(DVB_SUBTITLE) type(Subtitle)
2007-03-31 06:35:06.126 NVP: Recording does not have position map.
Run 'mythcommflag --file 1004_20070331061000.mpg --rebuild' to fix
2007-03-31 06:35:08.580 TVRec(1): Changing from WatchingLiveTV to None
2007-03-31 06:35:10.324 Finished recording The Hoobs "Stories": channel 1004
2007-03-31 06:36:32.359 EITScanner: Now looking for EIT data on channel 11
2007-03-31 06:36:33.188 DVB#0 DVB SI Table Parser Started
2007-03-31 06:38:24.306 EITScanner: Added 170 EIT Events
2007-03-31 06:38:24.451 Reschedule requested for id -1.
Again its falling over at the file switch time in watching LiveTV (i.e on the schedule program change) I'm really starting to think this could be hardware but i dont know where to take it.... other than replacing the mobo and/or processor... Im concerned about doing this because 1) I dont see any link in hardware from other people experiencing this... 2) I also think i must be in the minority (possibly extreme minority) if this issue has been present since R5C7 and more people are not experiencing it. I'm wondering if it could be a chipset issue on the motherboard? EDIT : If added the output from mythfrontend run in an xterm - its a little different from r5e50 but the error looks the same Code: 2007-03-31 09:21:22.561 NVP: prebuffering pause
2007-03-31 09:21:24.188 NVP: Prebuffer wait timed out 10 times.
2007-03-31 09:21:25.770 AFD Error: Unknown decoding error
2007-03-31 09:21:25.807 NVP: Prebuffer wait timed out 10 times.
2007-03-31 10:25:19.342 RingBuf(/myth/tv/1004_20070331102500.mpg): Invalid file
(fd 16) when opening '/myth/tv/1004_20070331102500.mpg'. 10 retries remaining.
2007-03-31 10:25:19.404 NVP: prebuffering pause
2007-03-31 10:25:19.844 RingBuf(/myth/tv/1004_20070331102500.mpg): Invalid file
(fd 16) when opening '/myth/tv/1004_20070331102500.mpg'. 9 retries remaining.
2007-03-31 10:25:20.346 RingBuf(/myth/tv/1004_20070331102500.mpg): Invalid file
(fd 16) when opening '/myth/tv/1004_20070331102500.mpg'. 8 retries remaining.
2007-03-31 10:25:20.848 RingBuf(/myth/tv/1004_20070331102500.mpg): Invalid file
(fd 16) when opening '/myth/tv/1004_20070331102500.mpg'. 7 retries remaining.
2007-03-31 10:25:21.024 NVP: Prebuffer wait timed out 10 times.
2007-03-31 10:25:21.350 RingBuf(/myth/tv/1004_20070331102500.mpg): Invalid file
(fd 16) when opening '/myth/tv/1004_20070331102500.mpg'. 6 retries remaining.
2007-03-31 10:25:21.852 RingBuf(/myth/tv/1004_20070331102500.mpg): Invalid file
(fd 16) when opening '/myth/tv/1004_20070331102500.mpg'. 5 retries remaining.
2007-03-31 10:25:22.380 RingBuf(/myth/tv/1004_20070331102500.mpg): Invalid file
(fd 16) when opening '/myth/tv/1004_20070331102500.mpg'. 4 retries remaining.
2007-03-31 10:25:22.643 NVP: Prebuffer wait timed out 10 times.
2007-03-31 10:25:22.883 RingBuf(/myth/tv/1004_20070331102500.mpg): Invalid file
(fd 16) when opening '/myth/tv/1004_20070331102500.mpg'. 3 retries remaining.
2007-03-31 10:25:23.386 RingBuf(/myth/tv/1004_20070331102500.mpg): Invalid file
(fd 16) when opening '/myth/tv/1004_20070331102500.mpg'. 2 retries remaining.
2007-03-31 10:25:23.927 RingBuf(/myth/tv/1004_20070331102500.mpg): Invalid file
(fd 16) when opening '/myth/tv/1004_20070331102500.mpg'. 1 retries remaining.
2007-03-31 10:25:24.265 NVP: Prebuffer wait timed out 10 times.
2007-03-31 10:25:24.430 RingBuf(/myth/tv/1004_20070331102500.mpg): Invalid file
(fd 16) when opening '/myth/tv/1004_20070331102500.mpg'. 0 retries remaining.
2007-03-31 10:25:24.933 NVP, Error: SwitchToProgram's OpenFile failed.
2007-03-31 10:25:24.933 NVP, Error: Unknown error, exiting decoder
2007-03-31 10:25:25.022 TV: Attempting to change from WatchingLiveTV to None
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techman83
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Posted: Sat Mar 31, 2007 4:00 am |
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Joined: Tue Aug 22, 2006 9:11 am
Posts: 127
Location:
Perth
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Code: Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
MythBox 2G 31593 96 47003 28 19123 6 30171 78 47724 5 133.0 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 2349 99 +++++ +++ +++++ +++ 2376 97 +++++ +++ 6497 99
MythBox,2G,31593,96,47003,28,19123,6,30171,78,47724,5,133.0,0,16,2349,99,+++++,+++,+++++,+++,2376,97,+++++,+++,6497,99
Well I found a program to test the file system, I'm as yet to figure out how to interprate the results.. I got it from apt, called Bonnie++ maybe run and compare results?
I have an ASUS P4P-800E Delux motherboad with the Intel 865PE Chipset . 2x 512mb matched pair kingston ram and a Western Digital Sata I drive. Have split that up with LVM and running EXT3 on the /myth partition.
Not sure where else to look as of yet! Might buy a new hdd soon and do a fresh install. 500GB drives are like $200 (AU$) so thats darn cheap!
_________________
DRM 'manages access' in the same way that jail 'manages freedom.'
_________________
Intel P4 2.6
Intel Desktop Board
2GB DDR400
nVidia 6600GT
Dvico HDTV+
Dvico Dual 4
200GB WD for Swap /boot & /
2x 500GB WD with LVM & XFS for /myth/tv
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declanh
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Posted: Sat Mar 31, 2007 7:22 am |
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Joined: Wed Aug 24, 2005 3:44 am
Posts: 210
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techman83 wrote:
Well I found a program to test the file system, I'm as yet to figure out how to interprate the results.. I got it from apt, called Bonnie++ maybe run and compare results?
I have an ASUS P4P-800E Delux motherboad with the Intel 865PE Chipset . 2x 512mb matched pair kingston ram and a Western Digital Sata I drive. Have split that up with LVM and running EXT3 on the /myth partition.
Not sure where else to look as of yet! Might buy a new hdd soon and do a fresh install. 500GB drives are like $200 (AU$) so thats darn cheap!
Your post has made be wonder about disk IO - is it possible my hard disk is not fast enough ?
Its a *brand new* PATA 250Gb Samsung 7200rpm disk.
I doing some further testing, this time ive switched the acoustic management from the disk from "Quiet" to "Fast"
I'll report back if this makes any difference.
Declan
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tscholl
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Posted: Sat Mar 31, 2007 7:56 am |
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Joined: Mon Apr 10, 2006 3:48 pm
Posts: 997
Location:
Lexington, Ky
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In a previous entry, declanh wrote:
Quote: it seems that pausing live tv for a few seconds can stop this error(not tried that yet so cant verify)
I tried this, (paused the current program for 30 seconds before the next program change) and it played right through the boundary's for the rest of the night. (Three program changes)
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snaproll
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Posted: Sat Mar 31, 2007 8:44 am |
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Joined: Sun Jul 24, 2005 4:16 pm
Posts: 508
Location:
Ft. Worth TX
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Would seem to indicate it needs a little more time cushion to make the file changeover...
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declanh
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Posted: Sat Mar 31, 2007 9:41 am |
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Joined: Wed Aug 24, 2005 3:44 am
Posts: 210
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tscholl wrote: In a previous entry, declanh wrote: Quote: it seems that pausing live tv for a few seconds can stop this error(not tried that yet so cant verify) I tried this, (paused the current program for 30 seconds before the next program change) and it played right through the boundary's for the rest of the night. (Three program changes) This would seem a workaround for people other than my wife who is a prolific channel surfer.
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tscholl
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Posted: Sat Mar 31, 2007 10:42 am |
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Joined: Mon Apr 10, 2006 3:48 pm
Posts: 997
Location:
Lexington, Ky
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To me this makes it some type of a timing problem that should be resolvable with some code tweaks on the code that buffers the playback.
Unfortunately I am not all that familiar with the code that controls this area.
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Too Many Secrets
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Posted: Sat Mar 31, 2007 12:50 pm |
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Joined: Fri Oct 20, 2006 12:04 pm
Posts: 905
Location:
LA, CA
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tscholl wrote: To me this makes it some type of a timing problem that should be resolvable with some code tweaks on the code that buffers the playback.
Unfortunately I am not all that familiar with the code that controls this area.
Isn't there a buffer adjustment in TV Settings? I wonder if there could be a setting in common with these problems?
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declanh
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Posted: Sat Mar 31, 2007 1:14 pm |
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Joined: Wed Aug 24, 2005 3:44 am
Posts: 210
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Too Many Secrets wrote: tscholl wrote: To me this makes it some type of a timing problem that should be resolvable with some code tweaks on the code that buffers the playback.
Unfortunately I am not all that familiar with the code that controls this area. Isn't there a buffer adjustment in TV Settings? I wonder if there could be a setting in common with these problems? Yes there is a buffer size adjustment, I believe making it larger makes the problem worse, and making it smaller defeats the purpose of the buffer in the first place (introduces stuttering)
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Too Many Secrets
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Posted: Sat Mar 31, 2007 9:17 pm |
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Joined: Fri Oct 20, 2006 12:04 pm
Posts: 905
Location:
LA, CA
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This error ocurred again tonight. Right away I switched to Watch Recordings and two instances of the failed program showed up in the list. The first was about 10 seconds of the program that I never saw live. The second instance was a 'blank' file (These blank shows happen to me when I don't get a signal in time to LOCK, but I've never had a problem on this channel.)
After trying to view both recordings, both of them deleted themselves. I've never seen this before. They didn't expire as I have other, older LIVE TV shows that have Auto Expire set. I don't know why these recordings deleted themselves, or why there was a duplicate, or why there was a blank.
This is what the mythbackend.log shows for this error. It happend @ 20:00 as the NCAA BB came to an end.
Code: 2007-03-31 18:53:42.258 AFD: Opened codec 0xae460520, id(MPEG2VIDEO) type(Video)
2007-03-31 18:53:42.261 NVP: Disabling Audio, params(-1,-1,-1)
2007-03-31 18:53:42.261 NVP: Disabling Audio, params(0,-1,-1)
2007-03-31 18:57:09.555 RingBuf(/myth/tv/2221_20070331175900.mpg): Waited 2 seconds for data to become available...
2007-03-31 18:57:10.800 Commercial Flagging Finished, 3 break(s) found.
0: start_time: 2090.332 duration: 183.264
1: start_time: 2090.319 duration: 183.269
stream: start_time: 23225.769 duration: 2036.412 bitrate=15406 kb/s
2007-03-31 18:57:11.029 AFD: Opened codec 0x81e0bb0, id(MPEG2VIDEO) type(Video)
2007-03-31 18:57:11.095 AFD: Opened codec 0x823d450, id(AC3) type(Audio)
2007-03-31 19:59:02.021 TVRec(1): Changing from None to RecordingOnly
2007-03-31 19:59:02.401 Started recording: The Rookie: channel 2071 on cardid 1, sourceid 2
2007-03-31 19:59:04.519 DVB#0 DVB SI Table Parser Started
2007-03-31 20:00:00.665 Finished recording College Basketball "NCAA Tournament, Second Semifinal: Teams TBA": channel 2021
0: start_time: 3651.825 duration: 358.267
1: start_time: 3651.799 duration: 358.272
stream: start_time: 40575.540 duration: 3981.037 bitrate=17937 kb/s
2007-03-31 20:00:01.159 AFD: Opened codec 0x81d7670, id(MPEG2VIDEO) type(Video)
2007-03-31 20:00:01.508 AFD: Opened codec 0x81d79a0, id(AC3) type(Audio)
2007-03-31 20:00:01.548 TVRec(2): Enabling Full LiveTV UI.
2007-03-31 20:00:02.463 TVRec(2): RingBufferChanged()
2007-03-31 20:00:02.675 Finished recording CBS 2 Sports Central: channel 2021
2007-03-31 20:00:02.682 Preview Error: Previewer file '/myth/tv/2021_20070331200000.mpg' is not valid.
2007-03-31 20:00:02.684 TVRec(2): Enabling Full LiveTV UI.
2007-03-31 20:00:02.705 Finished recording College Basketball "NCAA Tournament, Second Semifinal: Teams TBA": channel 2021
2007-03-31 20:00:02.722 TVRec(2): RingBufferChanged()
2007-03-31 20:00:02.738 Finished recording CBS 2 Sports Central: channel 2021
2007-03-31 20:00:08.939 TVRec(2): Changing from WatchingLiveTV to None
2007-03-31 20:00:09.084 Finished recording CBS 2 Sports Central: channel 2021
Hopefull this will help...
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