Hi all,

I am having a weird problem with my mythtv setup, using a PVR-350 for output.  
The problem is that the screen will shift in the display, and lose a color, or 
quite often changing the screen to bright green and magenta. This happens at 
random intervals, between 15 minutes and 6 hours.  I discovered that if I 
unload/reload the saa7127 module, this would reset the screen, and then the 
dislay is fine again (for the random interval of watching.)  I did do a search 
of the archives, and did not find anything that looked similar.

I have been running myth for about 2 years with this setup, and recently 
(september) upgraded to ubuntu and Myth 0.20.2.

Can anyone tell me where to look next to fix this problem?  How to collect more 
information?  what to collect?

Any help would be appreciated.
--Gord.


=======> from my .gnomerc <====

while /bin/true
do mythfrontend >> mythfrontend.log  2>&1
echo "attempting reload of saa7127 module" >> mythfrontend.log
sudo /sbin/modprobe -r saa7127  >>mythfrontend.log 2>&1
sudo /sbin/modprobe saa7127 >>mythfrontend.log 2>&1
done

======> from mythfrontend.log <==========
======> note: no messages at time the glitch happens, which is around 00:01:00
2008-01-15 23:26:21.989 ivtv picture start overflow, please inform [EMAIL 
PROTECTED]
2008-01-15 23:32:26.050 ivtv picture start overflow, please inform [EMAIL 
PROTECTED]
2008-01-15 23:42:15.334 Using the PVR-350 decoder/TV-out
2008-01-15 23:42:15.808 Realtime priority would require SUID as root.
2008-01-15 23:42:15.816 TV: Changing from None to  WatchingPreRecorded
2008-01-15 23:48:15.062 ivtv picture start overflow, please inform [EMAIL 
PROTECTED]
2008-01-15 23:54:47.074 ivtv picture start overflow, please inform [EMAIL 
PROTECTED]
2008-01-15 23:57:39.052 ivtv picture start overflow, please inform [EMAIL 
PROTECTED]
2008-01-16 00:01:18.148 TV: Attempting to change from  WatchingPreRecorded to 
None
2008-01-16 00:01:18.303 TV: Changing from WatchingPreRecorded to None
2008-01-16 00:01:18.858 DPMS Reactivated.
attempting reload of saa7127 module


=====>  /var/log/messages for last reboot

Jan 15  20:11:07 pvr2 kernel: [   45.283791] ivtv:  ==================== START 
INIT IVTV ====================
Jan 15 20:11:07 pvr2 kernel: [   45.283796] ivtv:  version 0.10.6 (tagged 
release) loading
Jan 15 20:11:07 pvr2 kernel: [   45.283799] ivtv:  Linux version: 
2.6.20-16-generic SMP mod_unload 586
Jan 15 20:11:07 pvr2 kernel: [   45.283801] ivtv:  In case of problems please 
include the debug info between
Jan 15 20:11:07 pvr2 kernel: [   45.283803] ivtv:  the START INIT IVTV and END 
INIT IVTV lines, along with
Jan 15 20:11:07 pvr2 kernel: [   45.283805] ivtv:  any module options, when 
mailing the ivtv-users  mailinglist.
Jan 15 20:11:07 pvr2 kernel: [   45.283931] ivtv0: Autodetected Hauppauge card 
(cx23416 based)
Jan 15 20:11:07 pvr2 kernel: [   45.284197] ACPI: PCI Interrupt Link [APC4] 
enabled at IRQ 19
Jan 15 20:11:07 pvr2 kernel:  [   45.284207] ACPI: PCI Interrupt 
0000:01:07.0[A] -> Link [APC4] -> GSI 19 (level, high) -> IRQ 21
Jan 15 20:11:07 pvr2 kernel: [   45.284219] ivtv0: Unreasonably low latency 
timer, setting to 64 (was 32)
Jan 15 20:11:07 pvr2 kernel: [   45.648547] ACPI: PCI Interrupt Link [APCJ] 
enabled at IRQ 22
Jan 15 20:11:07 pvr2 kernel: [   45.648554] ACPI: PCI Interrupt 0000:00:06.0[A] 
-> Link [APCJ] -> GSI 22 (level, high) -> IRQ 16
Jan 15 20:11:07 pvr2 kernel: [   45.972870] intel8x0_measure_ac97_clock: 
measured 58708 usecs
Jan 15 20:11:07 pvr2 kernel: [   45.972876] intel8x0: clocking to 47494
Jan 15 20:11:07 pvr2 kernel:  [   46.045547] ivtv0: loaded v4l-cx2341x-enc.fw 
firmware (376836 bytes)
Jan 15 20:11:07 pvr2 kernel: [   46.244444] ivtv0: Encoder revision: 0x02060039
Jan 15 20:11:07 pvr2 kernel: [   46.311811] tveeprom 2-0050: Hauppauge model  
32032, rev B182, serial# 2777881
Jan 15 20:11:07 pvr2 kernel: [   46.311817] tveeprom 2-0050: tuner model is LG 
TAPC H791F (idx 82, type 39)
Jan 15 20:11:07 pvr2 kernel: [   46.311820] tveeprom 2-0050: TV standards 
NTSC(M) (eeprom 0x08)
Jan 15 20:11:07 pvr2 kernel: [   46.311823] tveeprom 2-0050: audio processor is 
MSP4448 (idx 27)
Jan 15 20:11:07 pvr2 kernel: [   46.311825] tveeprom 2-0050: decoder processor 
is SAA7115 (idx 19)
Jan 15 20:11:07 pvr2 kernel: [   46.311828] tveeprom 2-0050: has no radio, has 
IR receiver, has no IR transmitter
Jan 15 20:11:07 pvr2 kernel: [   46.311831] ivtv0: Autodetected Hauppauge WinTV 
PVR-250
Jan 15  20:11:07 pvr2 kernel: [   46.340075] tuner 2-0061: chip found @ 0xc2 
(ivtv i2c driver #0)
Jan 15 20:11:07 pvr2 kernel: [   46.407184] saa7115 2-0021: saa7115 found 
(1f7115d0e100000) @ 0x42 (ivtv i2c driver #0)
Jan 15 20:11:07 pvr2  kernel: [   46.605951] msp3400 2-0040: MSP4448G-A2 found 
@ 0x80 (ivtv i2c driver #0)
Jan 15 20:11:07 pvr2 kernel: [   46.605956] msp3400 2-0040: MSP4448G-A2 
supports radio, mode is autodetect and autoselect
Jan 15 20:11:07 pvr2 kernel: [   46.607578] ivtv0: Registered device video0 for 
encoder MPEG (4 MB)
Jan 15 20:11:07 pvr2 kernel: [   46.607804] ivtv0: Registered device video32 
for encoder YUV (2 MB)
Jan 15 20:11:07 pvr2 kernel: [   46.608046] ivtv0: Registered device vbi0 for 
encoder VBI (1 MB)
Jan 15 20:11:07 pvr2 kernel: [   46.608149] ivtv0: Registered device video24 
for encoder PCM audio (1 MB)
Jan 15 20:11:07 pvr2 kernel: [    46.608379] tuner 2-0061: type set to 39 (LG 
NTSC (newer TAPC series))
Jan 15 20:11:07 pvr2 kernel: [   46.764947] ivtv0: Initialized Hauppauge WinTV 
PVR-250, card #0
Jan 15 20:11:07 pvr2 kernel: [   46.765042] ivtv:   ======================  
NEXT CARD  ======================
Jan 15 20:11:07 pvr2 kernel: [   46.765048] ivtv1: Autodetected Hauppauge card 
(cx23415 based)
Jan 15 20:11:07 pvr2 kernel: [   46.765331] ACPI: PCI Interrupt Link [APC2] 
enabled at IRQ 17
Jan 15 20:11:07 pvr2 kernel: [   46.765341] ACPI: PCI Interrupt 0000:01:09.0[A] 
-> Link [APC2] -> GSI 17 (level, high) -> IRQ 22
Jan 15 20:11:07 pvr2 kernel: [   46.765354] ivtv1: Unreasonably low latency 
timer, setting to 64 (was 32)
Jan 15 20:11:07 pvr2 kernel: [   47.447086] ivtv1: loaded v4l-cx2341x-enc.fw 
firmware (376836 bytes)
Jan 15 20:11:07 pvr2 kernel: [   47.499156] ivtv1: loaded  v4l-cx2341x-dec.fw 
firmware (262144 bytes)
Jan 15 20:11:07 pvr2 kernel: [   47.698407] ivtv1: Encoder revision: 0x02060039
Jan 15 20:11:07 pvr2 kernel: [   47.698567] ivtv1: Decoder revision: 0x02020023
Jan 15 20:11:07  pvr2 kernel: [   47.706730] tuner 3-0061: chip found @ 0xc2 
(ivtv i2c driver #1)
Jan 15 20:11:07 pvr2 kernel: [   47.760045] saa7115 3-0021: saa7115 found 
(1f7115d0e100000) @ 0x42 (ivtv i2c driver #1)
Jan 15 20:11:07 pvr2 kernel: [   47.944603] msp3400 3-0040: MSP4448G-A2 found @ 
0x80 (ivtv i2c driver #1)
Jan 15 20:11:07 pvr2 kernel: [   47.944607] msp3400 3-0040: MSP4448G-A2 
supports radio, mode is autodetect and autoselect
Jan 15 20:11:07 pvr2 kernel: [   47.953009] i2c_adapter i2c-3: Client creation 
failed at 0x44 (-1)
Jan 15 20:11:07 pvr2 kernel: [   48.019619] tveeprom 3-0050: Hauppauge model 
48132, rev J323, serial# 6565812
Jan 15 20:11:07 pvr2  kernel: [   48.019625] tveeprom 3-0050: tuner model is 
Philips FM1236 (idx 23, type 2)
Jan 15 20:11:07 pvr2 kernel: [   48.019628] tveeprom 3-0050: TV standards 
NTSC(M) (eeprom 0x08)
Jan 15 20:11:07 pvr2 kernel:  [   48.019631] tveeprom 3-0050: audio processor 
is MSP4448 (idx 27)
Jan 15 20:11:07 pvr2 kernel: [   48.019633] tveeprom 3-0050: decoder processor 
is SAA7115 (idx 19)
Jan 15 20:11:07 pvr2 kernel: [   48.019636] tveeprom 3-0050: has radio, has IR 
receiver, has no IR transmitter
Jan 15 20:11:07 pvr2 kernel: [   48.019639] ivtv1: Autodetected Hauppauge WinTV 
PVR-350
Jan 15 20:11:07 pvr2 kernel: [   48.106435] saa7127 3-0044: saa7127 found @ 
0x88 (ivtv i2c driver #1)
Jan 15 20:11:07 pvr2 kernel: [   48.116709] ivtv1: Registered device video1 for 
encoder MPEG (4 MB)
Jan 15 20:11:07 pvr2 kernel: [   48.117054] ivtv1: Registered device video33 
for encoder YUV  (2 MB)
Jan 15 20:11:07 pvr2 kernel: [   48.117424] ivtv1: Registered device vbi1 for 
encoder VBI (1  MB)
Jan 15 20:11:07 pvr2 kernel: [   48.117698] ivtv1: Registered device video25 
for encoder PCM audio (1 MB)
Jan 15 20:11:07 pvr2 kernel: [   48.118062] ivtv1: Registered device radio1 for 
encoder radio
Jan 15 20:11:07 pvr2 kernel: [   48.118198] ivtv1: Registered device video17 
for decoder MPEG (1 MB)
Jan 15 20:11:07 pvr2 kernel: [   48.118373] ivtv1: Registered device vbi9 for 
decoder VBI (1 MB)
Jan 15 20:11:07 pvr2 kernel: [   48.118916] ivtv1: Registered device vbi17 for 
decoder VOUT
Jan 15 20:11:07 pvr2 kernel: [   48.119058] ivtv1: Registered device video49 
for decoder YUV (1 MB)
Jan 15 20:11:07 pvr2 kernel: [   48.181455] ivtv1: loaded v4l-cx2341x-init.mpg 
firmware (155648 bytes)
Jan 15 20:11:07 pvr2 kernel: [   48.281423] tuner 3-0061: type set to 2  
(Philips NTSC (FI1236,FM1236 and compatibles))
Jan 15 20:11:07 pvr2 kernel: [   48.452887] ivtv1:  Initialized Hauppauge WinTV 
PVR-350, card #1
Jan 15 20:11:07 pvr2 kernel: [   48.452912] ivtv:  ====================  END 
INIT IVTV  ====================
       
---------------------------------
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