[mythtv-users] Playback stops, returns to guide [Ringbuf Error: I/O problem in safe_read]

[Evan Passero]

I have been having an issue where playback of recorded shows will  
stop, usually right around the title sequence, and will return me to  
the "Recorded Programs" list. I tried looking through the lists to see  
if this problem has been found and fixed, and was not able to find a  
solution. I did find two other posts (from 2004) but neither seemed to  
have any replies:
1) http://www.gossamer-threads.com/lists/mythtv/users/61928?search_string=playback;#61928
2) http://www.gossamer-threads.com/lists/mythtv/users/71233?nohighlight=1#71233


 From searching through the googles, I found mentions of running  
mythcommflag --rebuild -f <filename> to rectify a bad seektable and  
this is what was returned:

mythcommflag --rebuild -f 1006_20090423203000.mpg
2009-04-24 09:32:53.313 Using runtime prefix = /usr
2009-04-24 09:32:53.354 DBHostName is not set in mysql.txt
2009-04-24 09:32:53.354 Assuming localhost
2009-04-24 09:32:53.354 Empty LocalHostName.
2009-04-24 09:32:53.468 New DB connection, total: 1
2009-04-24 09:32:53.490 Closing DB connection named 'DBManager0'
2009-04-24 09:32:53.493 mythcommflag version: 0.21.20080304-1 www.mythtv.org
2009-04-24 09:32:53.493 Enabled verbose msgs: important

MythTV Commercial Flagger, started at Fri Apr 24 09:32:53 2009
Rebuilding SeekTable(s) for:
ChanID  Start Time      Title                                       
Status
------  --------------  -----------------------------------------   
------
2009-04-24 09:32:53.504 New DB connection, total: 2
1006    20090423203000  Parks and Recreation                        
2009-04-24 09:32:53.578 Using protocol version 40
2009-04-24 09:32:57.791 RingBuf(/video/media2/1006_20090423203000.mpg)  
Error: File I/O problem in 'safe_read()'
			eno: Input/output error (5)
2009-04-24 09:32:57.854 RingBuf(/video/media2/1006_20090423203000.mpg)  
Error: File I/O problem in 'safe_read()'
			eno: Input/output error (5)
2009-04-24 09:32:57.919 RingBuf(/video/media2/1006_20090423203000.mpg)  
Error: File I/O problem in 'safe_read()'
			eno: Input/output error (5)
2009-04-24 09:32:57.920 RingBuf(/video/media2/1006_20090423203000.mpg)  
Error: File I/O problem in 'safe_read()'
			eno: Input/output error (5)
2009-04-24 09:32:57.982 RingBuf(/video/media2/1006_20090423203000.mpg)  
Error: File I/O problem in 'safe_read()'
			eno: Input/output error (5)
2009-04-24 09:32:58.045 RingBuf(/video/media2/1006_20090423203000.mpg)  
Error: File I/O problem in 'safe_read()'
			eno: Input/output error (5)
Rebuilt

Finished commercial break flagging at Fri Apr 24 09:32:58 2009

The files have the correct length but I can not view them past the  
erroneous end marker. If I try to skip past where the recording wants  
to stop, it will play for a second or two then return to the programs  
screen. The preview thumbnail will continue to play past where the  
file tries to stop, so I know that the whole episode was recorded.
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