> On 09/24/2012 10:59 AM, Peter Schneider wrote:
>> 
>>> On 09/24/2012 09:58 AM, Ken wrote:
>>>> On 9/17/12 3:52 AM, Paul Onley wrote:
>>>>> I'm having this same problem with my PVR-500 cards. I have tried all 
>>>>> three of my cards and see the same symptoms on each. Once the card is 
>>>>> recording it will do so forever without any problem but changing channels 
>>>>> or starting a new recording I will frequently see the
>>>>> 
>>>>> ivtv0: Encoder has died : ivtv_serialized_open
>>>>> 
>>>>> error message. Sometimes the firmware will successfully reload but most 
>>>>> often even if the driver think that the reload was successful the 
>>>>> recording is blank or corrupt.
>>>>> 
>>>>> I do not pretend to understand how the ivtv driver works or what causes 
>>>>> this error message but is there any thing I can do to try to track down 
>>>>> what is causing this?
>>>>> 
>>>>> 
>>>>> 
>>>>> Sep 17 02:03:01 Asthmatic kernel: [172462.936380] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_START_CAPTURE
>>>>> Sep 17 02:03:02 Asthmatic kernel: [172463.940049] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_START_CAPTURE)
>>>>> Sep 17 02:03:02 Asthmatic kernel: [172463.940058] ivtv0:  warn: Error 
>>>>> starting capture!
>>>>> Sep 17 02:03:02 Asthmatic kernel: [172463.940060] ivtv0:  warn: Failed to 
>>>>> start capturing for stream encoder MPG
>>>>> Sep 17 02:03:02 Asthmatic kernel: [172463.940066] ivtv0 encoder MPG: 
>>>>> VIDIOC_ENCODER_CMD error -5
>>>>> Sep 17 02:03:02 Asthmatic kernel: [172463.946782] ivtv0:  info: Start 
>>>>> encoder stream encoder MPG
>>>>> Sep 17 02:03:02 Asthmatic kernel: [172463.946787] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_DMA_BLOCK_SIZE
>>>>> Sep 17 02:03:02 Asthmatic kernel: [172463.946789] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_VERT_CROP_LINE
>>>>> Sep 17 02:03:03 Asthmatic kernel: [172464.048525] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_SET_VERT_CROP_LINE)
>>>>> Sep 17 02:03:03 Asthmatic kernel: [172464.048530] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_MISC
>>>>> Sep 17 02:03:03 Asthmatic kernel: [172464.152046] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_MISC)
>>>>> Sep 17 02:03:03 Asthmatic kernel: [172464.152054] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_MISC
>>>>> Sep 17 02:03:03 Asthmatic kernel: [172464.256250] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_MISC)
>>>>> Sep 17 02:03:03 Asthmatic kernel: [172464.256255] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_MISC
>>>>> Sep 17 02:03:03 Asthmatic kernel: [172464.360213] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_MISC)
>>>>> Sep 17 02:03:03 Asthmatic kernel: [172464.360218] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_MISC
>>>>> Sep 17 02:03:03 Asthmatic kernel: [172464.464012] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_MISC)
>>>>> Sep 17 02:03:03 Asthmatic kernel: [172464.464017] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_PLACEHOLDER
>>>>> Sep 17 02:03:03 Asthmatic kernel: [172464.464019] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_NUM_VSYNC_LINES
>>>>> Sep 17 02:03:03 Asthmatic kernel: [172464.464020] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_VBI_LINE
>>>>> Sep 17 02:03:04 Asthmatic kernel: [172465.470866] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_SET_VBI_LINE)
>>>>> Sep 17 02:03:04 Asthmatic kernel: [172465.500123] ivtv0:  info: Setup VBI 
>>>>> API header 0x0000bd03 pkts 1 buffs 4 ln 24 sz 1456
>>>>> Sep 17 02:03:04 Asthmatic kernel: [172465.500126] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_VBI_CONFIG
>>>>> Sep 17 02:03:05 Asthmatic kernel: [172466.504011] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_SET_VBI_CONFIG)
>>>>> Sep 17 02:03:05 Asthmatic kernel: [172466.504017] ivtv0:  info: Setup VBI 
>>>>> start 0x00000004 frames 1 fpi 48387
>>>>> Sep 17 02:03:50 Asthmatic kernel: [172511.720056] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_VBI_LINE
>>>>> Sep 17 02:03:51 Asthmatic kernel: [172512.724038] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_SET_VBI_LINE)
>>>>> Sep 17 02:03:51 Asthmatic kernel: [172512.724047] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_PGM_INDEX_INFO
>>>>> Sep 17 02:03:51 Asthmatic kernel: [172512.832007] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_SET_PGM_INDEX_INFO)
>>>>> Sep 17 02:03:51 Asthmatic kernel: [172512.832013] ivtv0:  info: PGM Index 
>>>>> at 0x00000007 with 400 elements
>>>>> Sep 17 02:03:51 Asthmatic kernel: [172512.832015] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_OUTPUT_PORT
>>>>> Sep 17 02:03:51 Asthmatic kernel: [172512.832017] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_FRAME_RATE
>>>>> Sep 17 02:03:51 Asthmatic kernel: [172512.832019] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_FRAME_SIZE
>>>>> Sep 17 02:03:51 Asthmatic kernel: [172512.832026] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_STREAM_TYPE
>>>>> Sep 17 02:03:51 Asthmatic kernel: [172512.832027] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_BIT_RATE
>>>>> Sep 17 02:03:51 Asthmatic kernel: [172512.832030] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_SET_AUDIO_PROPERTIES
>>>>> Sep 17 02:03:51 Asthmatic kernel: [172512.832032] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_MUTE_AUDIO
>>>>> Sep 17 02:03:52 Asthmatic kernel: [172513.840008] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_MUTE_AUDIO)
>>>>> Sep 17 02:03:53 Asthmatic kernel: [172514.144029] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_INITIALIZE_INPUT
>>>>> Sep 17 02:03:54 Asthmatic kernel: [172515.148039] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_INITIALIZE_INPUT)
>>>>> Sep 17 02:03:54 Asthmatic kernel: [172515.151925] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_START_CAPTURE
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.156036] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_START_CAPTURE)
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.156042] ivtv0:  warn: Error 
>>>>> starting capture!
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.156044] ivtv0:  warn: Failed to 
>>>>> start capturing for stream encoder MPG
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.156052] ivtv0:  info: Could not 
>>>>> start capture for encoder MPG (-5)
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.156346] ivtv0:  file: open 
>>>>> encoder MPG
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.156348] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_PING_FW
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.260259] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_PING_FW)
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.260265] ivtv0: Encoder has died 
>>>>> : ivtv_serialized_open
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.260268] ivtv0: Detected in 
>>>>> ivtv_serialized_open that firmware had failed - Reloading
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.260270] ivtv0:  info: Preparing 
>>>>> for firmware halt.
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.260272] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_HALT_FW
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.364014] ivtv0:  warn: Could not 
>>>>> get result (CX2341X_ENC_HALT_FW)
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.376011] ivtv0:  info: Stopping 
>>>>> VDM
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.376013] ivtv0:  info: Stopping 
>>>>> AO
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.376015] ivtv0:  info: pinging 
>>>>> (?) APU
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.376016] ivtv0:  info: Stopping 
>>>>> VPU
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.376017] ivtv0:  info: Resetting 
>>>>> Hw Blocks
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.376018] ivtv0:  info: Stopping 
>>>>> SPU
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.388013] ivtv0:  info: init 
>>>>> Encoder SDRAM pre-charge
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.388015] ivtv0:  info: init 
>>>>> Encoder SDRAM refresh to 1us
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.388017] ivtv0:  info: Sleeping 
>>>>> for 600ms
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172516.988030] ivtv0:  info: Loading 
>>>>> encoder image
>>>>> Sep 17 02:03:55 Asthmatic kernel: [172517.005545] ivtv0: Loaded 
>>>>> v4l-cx2341x-enc.fw firmware (376836 bytes)
>>>>> Sep 17 02:03:56 Asthmatic kernel: [172517.208025] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_PING_FW
>>>>> Sep 17 02:03:56 Asthmatic kernel: [172517.210424] ivtv0: Firmware restart 
>>>>> okay
>>>>> Sep 17 02:03:56 Asthmatic kernel: [172517.210426] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_PING_FW
>>>>> Sep 17 02:03:56 Asthmatic kernel: [172517.210495] ivtv0:  mb: MB Call: 
>>>>> CX2341X_ENC_MISC
>>>>> Sep 17 02:03:56 Asthmatic kernel: [172517.211340] ivtv0 encoder MPG: 
>>>>> VIDIOC_QUERYCAP driver=ivtv, card=WinTV PVR 500 (unit #1), 
>>>>> bus=PCI:0000:06:08.0, version=0x00030217, capabilities=0x01070051
>>>>> Sep 17 02:03:56 Asthmatic kernel: [172517.211348] ivtv0 encoder MPG: 
>>>>> VIDIOC_QUERYCTRL id=0x980001, type=6, name=User Controls, min/max=0/0, 
>>>>> step=0, default=0, flags=0x00000044
>>>>> 
>>>>> 
>>>>> 
>>>>> _______________________________________________
>>>>> ivtv-users mailing list
>>>>> [email protected]
>>>>> http://ivtvdriver.org/mailman/listinfo/ivtv-users
>>>> I'm seeing the same problem. It started when I switched to MythTV 0.25. I 
>>>> had a PVR-250 and a PVR-500. I originally thought the problem was failing 
>>>> hardware and replaced the 500. The problem just jumped to the 250. I have 
>>>> since put the 500 back and am now using a PVR-500 and a HVR-2250. I just 
>>>> watch the logs for those messages and reboot soon after they appear.
>>>> 
>>>> _______________________________________________
>>>> ivtv-users mailing list
>>>> [email protected]
>>>> http://ivtvdriver.org/mailman/listinfo/ivtv-users
>>>> 
>>> Thanks Ken,
>>> 
>>> I have seen numerous posts about problems that include this error on the 
>>> PVR-250,350 and 500 cards and many seem to agree that the problem is 
>>> failing hardware. I have 3 PVR-500s and have tried all three and get the 
>>> same error on all of them. I can also remove and reload the ivtv module and 
>>> fix the problem in 30 seconds and get a perfect recording. In fact I have 
>>> written a script that watches the syslog for the Encoder died message and 
>>> reloads the ivtv module. My recordings are now all perfect although some 
>>> are missing about 30 seconds from the beginning. I do not believe this is a 
>>> hardware failure but do not know  how to proceed with trouble shooting.
>>> 
>>> I can say from looking at the logs that when the ivtv driver sees a problem 
>>> with the firmware it tries to reload it.  My script kills the backend, 
>>> reloads the ivtv module and restarts the backend so I end up with a part A 
>>> and B of the recording allowing me to see whether the reload was really 
>>> necessary. While the ivtv module usually reports successfully reloading the 
>>> firmware in reality more than half the time the A part of the recording 
>>> which is started after ivtv reloads the firmware is corrupt and the B part 
>>> after my script reloads the ivtv module is always fine.
>>> 
>>> Paul
>>> 
>>> _______________________________________________
>>> ivtv-users mailing list
>>> [email protected]
>>> http://ivtvdriver.org/mailman/listinfo/ivtv-users
>> Paul,
>> 
>> Is the a way for you to post your script here or in a blog that you can 
>> point us to?
>> 
>> -Peter
>> _______________________________________________
>> ivtv-users mailing list
>> [email protected]
>> http://ivtvdriver.org/mailman/listinfo/ivtv-users
>> 
> Hi Peter,
> 
> Below is the script I use, as it is unloading and reload the ivtv module it 
> must be run as root so use it with care( I call it from roots crontab every 
> minute ). The script is admittedly a rather crude and heavy handed way to 
> handle this problem and is certainly not to be considered a solution. It is 
> more convenient than rebooting though. I am using a Debian system so you may 
> need to adjust some of the commands such as restarting the syslog daemon and 
> mythbackend depending on your distro.
> 
> Paul
> 
> 
> ##########################################################
> #!/bin/bash
> #This script will automate the reloading of the ivtv modules. It is rather 
> heavy handed but due to
> #issues with firmware failures in the ivtv module causing recording issues on 
> my PVR-500 it was
> #my last resort to prevent failed recordings. Note that this script must be 
> run as root in order to
> #be able to reload the ivtv module. As such it has full root privilege and 
> should be used very
> #carefully. While it works as intended on my debian system I cannot guarantee 
> it will work as
> #intended on your system. Please check all commands before using.
> 
> 
> 
> #Cron jobs start on the minute and so do myth recordings so wait 15 seconds
> #for the problem to occur and be logged
> sleep 15
> 
> #If we find an indication in the syslog that the ivtv driver has failed
> if  grep "Encoder has died : ivtv_serialized_open" /var/log/syslog ;  then
> 
>        #Kill both frontend and backend so that we can unload the ivtv module
> 
>        pkill mythfrontend
>        pkill mythbackend
> 
>   #The ivtv module will not unload until the frontend and backend are stopped 
> so
>    #rather than sleep for some arbitrary ammount of time lets just try to 
> unload
>    #repeatedly until we succeed
> 
>        while ! /sbin/modprobe -vr ivtv ; do
> 
>        #Wait for a second
> 
>                sleep 1
>                i=$(($i+1))
> 
>        #See if we have tried more than 15 times indicating there is a real 
> problem
> 
>                if [ $i -gt 15 ];then
> 
>         #In which case return an exit value of 1
> 
>                        exit 1
>                fi
>    #Otherwise try again
> 
>        done
> 
>    #Relax for a second
> 
>        sleep 1
> 
>    #And reload the ivtv module the debug level is so that when someone tells
>    #me what to look for my logs should have everything
> 
> 
>        /sbin/modprobe -v ivtv debug=127
> 
> 
>    #We are moving the logfile to another file so that we can corelate the 
> failures with
>    #Logs. the new file name is syslog.restart.n so check to see if n exists
> 
>        i=0
>        while [ -e /var/log/syslog.restart.$i ];do
> 
>        #and if so iterate until we find a good name
> 
>                i=$(($i+1))
>        done
> 
>    #Save the syslog file
> 
>        mv /var/log/syslog /var/log/syslog.restart.$i
> 
>    #start a blank syslog
> 
>        touch /var/log/syslog
> 
>    #restart the syslog daemon
> 
>        /etc/init.d/rsyslog restart
> 
>        sleep 5
> 
>    #Restart the backend
> 
>        /etc/init.d/mythtv-backend restart
> 
> fi
> 
> _______________________________________________
> ivtv-users mailing list
> [email protected]
> http://ivtvdriver.org/mailman/listinfo/ivtv-users

Thanks Paul,

I am running MythBuntu.  I look forward to seeing what I can do with it.  This 
may resolve a few issues that have been plaguing me.

-Peter
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