Rob Starling wrote: > Hi! I'm getting funny "jitter" in my ivtv recordings from my > PVR-150. > ( here's a couple-second (2MB) snippet that demonstrates it: > http://robstarling.org/misc/ivtv-twitch.mpg ) > > Does that look like an ivtv problem, or just a signal strength > problem? It happens both in mythtv and with dd if=/dev/video0
It looks identical to a problem I reported several days ago. I notice that you have the same tuner as my failing board: tveeprom 5-0050: tuner model is TCL M2523_5N_E (idx 112, type 50) > > This is on a 1.3GHz Athlon and ivtv is on an interrupt all by > itself: > > # cat /proc/interrupts > CPU0 > 0: 226037026 IO-APIC-edge timer > 1: 17779 IO-APIC-edge i8042 > 7: 2 IO-APIC-edge parport0 > 8: 1 IO-APIC-edge rtc > 9: 0 IO-APIC-level acpi > 12: 32692 IO-APIC-edge i8042 > 14: 380451 IO-APIC-edge ide0 > 15: 573 IO-APIC-edge ide1 > 169: 0 IO-APIC-level uhci_hcd:usb1 > 177: 12608475 IO-APIC-level uhci_hcd:usb2, eth1 > 185: 0 IO-APIC-level uhci_hcd:usb3, uhci_hcd:usb4 > 193: 77137 IO-APIC-level ehci_hcd:usb5, ohci1394, CMI8738-MC6 > 201: 205723 IO-APIC-level ivtv0 > NMI: 0 > LOC: 226032670 > ERR: 0 > MIS: 0 > > My dmesg snippet is here: > > ivtv: ==================== START INIT IVTV ==================== > ivtv: version 0.10.1 (tagged release) loading > ivtv: Linux version: 2.6.18-3-k7 SMP mod_unload K7 REGPARM gcc-4.1 > ivtv: In case of problems please include the debug info between > ivtv: the START INIT IVTV and END INIT IVTV lines, along with > ivtv: any module options, when mailing the ivtv-users mailinglist. > ivtv0: Autodetected Hauppauge card (cx23416 based) > ACPI: PCI Interrupt 0000:00:0f.0[A] -> GSI 18 (level, low) -> IRQ 201 > ivtv0: Unreasonably low latency timer, setting to 64 (was 32) > irda_init() > NET: Registered protocol family 23 > ivtv0: loaded v4l-cx2341x-enc.fw firmware (376836 bytes) > input: ImPS/2 Generic Wheel Mouse as /class/input/input2 > ivtv0: Encoder revision: 0x02060039 > tveeprom 0-0050: Hauppauge model 26132, rev G1B2, serial# 9831694 > tveeprom 0-0050: tuner model is TCL M2523_5N_E (idx 112, type 50) > tveeprom 0-0050: TV standards NTSC(M) (eeprom 0x08) > tveeprom 0-0050: audio processor is CX25841 (idx 35) > tveeprom 0-0050: decoder processor is CX25841 (idx 28) > tveeprom 0-0050: has no radio, has IR remote > ivtv0: Autodetected Hauppauge WinTV PVR-150 > ivtv0: reopen i2c bus for IR-blaster support > tuner 0-0061: chip found @ 0xc2 (ivtv i2c driver #0) > cx25840 0-0044: cx25841-23 found @ 0x88 (ivtv i2c driver #0) > ts: Compaq touchscreen protocol output > cx25840 0-0044: loaded v4l-cx25840.fw firmware (16382 bytes) > wm8775 0-001b: chip found @ 0x36 (ivtv i2c driver #0) > ivtv0: Registered device video0 for encoder MPEG (4 MB) > ivtv0: Registered device video32 for encoder YUV (2 MB) > ivtv0: Registered device vbi0 for encoder VBI (1 MB) > ivtv0: Registered device video24 for encoder PCM audio (1 MB) > tuner 0-0061: type set to 50 (TCL 2002N) > ivtv0: Initialized Hauppauge WinTV PVR-150, card #0 > ivtv: ==================== END INIT IVTV ==================== > > Thanks! > --Rob > _______________________________________________ ivtv-users mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-users
