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PostPosted: Sat Feb 03, 2007 4:13 pm 
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Joined: Sat Jan 13, 2007 3:03 pm
Posts: 1
Hello,

I've gotten somewhat far with my second Knoppmyth install (first didn't work out that well), but I'm currently stuck, and I was wondering if anyone would be willing to give me a hand. System: Athlon XP 2000+/PVR-250/Radeon 9000. I will be using it to record Sky in the UK, i.e. analog TV over the composite input. I have gotten this machine to work perfectly for that purpose using SageTV so I've pretty much ruled out any bad hardware issues.

So, the first part of the install is reasonably straightforward, although I have to go through the special ATI TV-out procedures as detailed in the wiki. Then, after mythtv-setup has run (I select i686 modules, no bootsplash), in the general config in the setup options, under capture cards I select PVR-x50. But when I select dev/video0 it says "could not open '/dev/video0' to probe its inputs'.

Now what is really wacky about this is that I had a previous install (the one that didn't work out that well) where it successfully auto-detected the card on dev/video0, although it was never possible to get an actual video feed to appear from that device. Also, ivtv reports detecting the chipset during boot on this install.

I tried cat /dev/video0 > test.mpg to troubleshoot, and I get the error 'cat: /dev/video0: No such file or directory'. Now I'm not sure how to proceed. Any troubleshooting advice?

My other trouble is that I absolutely cannot get X11VNC to work, though I can ssh in with no issues, and the network and DNS are fully functioning on the mythtv box. I've followed the x11VNC instructions in the wiki but all of my connections are refused. Having VNC working would make the troubleshooting less stressful, since I only have a TV attached.

Many thanks for any tips or help!

Here is the ivtv/bttv section of my syslog:


Code:
Feb  3 22:51:37 mythtv kernel: ivtv:  ==================== START INIT IVTV ====================
Feb  3 22:51:37 mythtv kernel: ivtv:  version 0.4.3 (tagged release) loading
Feb  3 22:51:37 mythtv kernel: ivtv:  Linux version: 2.6.15-chw-2 SMP preempt 586 gcc-3.3
Feb  3 22:51:37 mythtv kernel: ivtv:  In case of problems please include the debug info between
Feb  3 22:51:37 mythtv kernel: ivtv:  the START INIT IVTV and END INIT IVTV lines, along with
Feb  3 22:51:37 mythtv kernel: ivtv:  any module options, when mailing the ivtv-users mailinglist.
Feb  3 22:51:37 mythtv kernel: ivtv0: Autodetected WinTV PVR 250 card (cx23416 based)
Feb  3 22:51:37 mythtv kernel: ACPI: PCI Interrupt 0000:00:09.0[A] -> GSI 18 (level, low) -> IRQ 17
Feb  3 22:51:37 mythtv kernel: ivtv0: Unreasonably low latency timer, setting to 64 (was 32)
Feb  3 22:51:37 mythtv kernel: tuner 1-0061: chip found @ 0xc2 (ivtv i2c driver #0)
Feb  3 22:51:37 mythtv kernel: ivtv0: i2c attach to card #0 ok [client=(tuner unset), addr=61]
Feb  3 22:51:37 mythtv kernel: msp3400 1-0040: chip=MSP4418G-A2 +nicam +simple +simpler +radio mode=simpler
Feb  3 22:51:37 mythtv kernel: msp3400 1-0040: msp34xxg daemon started
Feb  3 22:51:37 mythtv kernel: ivtv0: i2c attach to card #0 ok [client=MSP4418G-A2, addr=40]
Feb  3 22:51:37 mythtv kernel: saa7115 1-0021: saa7115 found @ 0x42 (ivtv i2c driver #0)
Feb  3 22:51:37 mythtv kernel: ivtv0: i2c attach to card #0 ok [client=saa7115, addr=21]
Feb  3 22:51:37 mythtv kernel: ivtv0: i2c attach to card #0 ok [client=tveeprom, addr=50]
Feb  3 22:51:37 mythtv kernel: tveeprom 1-0050: Hauppauge model 32054, rev B148, serial# 7176199
Feb  3 22:51:37 mythtv kernel: tveeprom 1-0050: tuner model is LG TP18PSB11D (idx 48, type 29)
Feb  3 22:51:37 mythtv kernel: tveeprom 1-0050: TV standards PAL(B/G) (eeprom 0x04)
Feb  3 22:51:37 mythtv kernel: tveeprom 1-0050: audio processor is MSP4418 (idx 25)
Feb  3 22:51:37 mythtv kernel: tveeprom 1-0050: decoder processor is SAA7115 (idx 19)
Feb  3 22:51:37 mythtv kernel: tveeprom 1-0050: has no radio, has IR remote
Feb  3 22:51:37 mythtv kernel: ivtv0: unable to open firmware v4l-cx2341x-enc.fw
Feb  3 22:51:37 mythtv kernel: ivtv0: did you put the firmware in the hotplug firmware directory?
Feb  3 22:51:37 mythtv kernel: ivtv0 warning: failed loading encoder firmware
Feb  3 22:51:37 mythtv kernel: ivtv0 warning: Error loading firmware -3!
Feb  3 22:51:37 mythtv kernel: ivtv0: Error -3 initializing firmware.
Feb  3 22:51:37 mythtv kernel: ivtv0: Error -12 on initialization
Feb  3 22:51:37 mythtv kernel: ivtv: probe of 0000:00:09.0 failed with error -12
Feb  3 22:51:37 mythtv kernel: ivtv:  ====================  END INIT IVTV  ====================
Feb  3 22:51:37 mythtv kernel: ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
Feb  3 22:51:37 mythtv kernel: ivtv:  ====================  END INIT IVTV  ====================
Feb  3 22:51:37 mythtv kernel: ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
Feb  3 22:51:37 mythtv kernel: ACPI: PCI Interrupt 0000:00:07.5[C] -> Link [LNKC] -> GSI 11 (level, low) -> IRQ 11
Feb  3 22:51:37 mythtv kernel: PCI: Setting latency timer of device 0000:00:07.5 to 64
Feb  3 22:51:37 mythtv kernel: NET: Registered protocol family 17
Feb  3 22:51:37 mythtv kernel: bttv: driver version 0.9.16 loaded
Feb  3 22:51:37 mythtv kernel: bttv: using 8 buffers with 2080k (520 pages) each for capture


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PostPosted: Sat Feb 03, 2007 8:35 pm 
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Joined: Thu Mar 25, 2004 11:00 am
Posts: 9551
Location: Arlington, MA
alexb wrote:
Code:
Feb  3 22:51:37 mythtv kernel: ivtv0: unable to open firmware v4l-cx2341x-enc.fw
Feb  3 22:51:37 mythtv kernel: ivtv0: did you put the firmware in the hotplug firmware directory?
Feb  3 22:51:37 mythtv kernel: ivtv0 warning: failed loading encoder firmware
Feb  3 22:51:37 mythtv kernel: ivtv0 warning: Error loading firmware -3!
Feb  3 22:51:37 mythtv kernel: ivtv0: Error -3 initializing firmware.
Feb  3 22:51:37 mythtv kernel: ivtv0: Error -12 on initialization
Feb  3 22:51:37 mythtv kernel: ivtv: probe of 0000:00:09.0 failed with error -12

This is your problem. Do this:
Code:
ls -al /usr/lib/hotplug/firmware/v4l*

You should see six files listed:
Code:
root@black2:~# ls -al /usr/lib/hotplug/firmware/v4l*
-rw-r--r-- 1 root root 262144 May 26  2006 /usr/lib/hotplug/firmware/v4l-cx2341x-dec.fw
-rw-r--r-- 1 root root 262144 Jul  1  2006 /usr/lib/hotplug/firmware/v4l-cx2341x-enc.fw
-rw-r--r-- 1 root root 155648 May 26  2006 /usr/lib/hotplug/firmware/v4l-cx2341x-init.mpg
-rw-r--r-- 1 root root  16382 May 26  2006 /usr/lib/hotplug/firmware/v4l-cx25840.fw
-rw-r--r-- 1 root root   8192 Jul  1  2006 /usr/lib/hotplug/firmware/v4l-pvrusb2-24xxx-01.fw
-rw-r--r-- 1 root root   8192 Jul  1  2006 /usr/lib/hotplug/firmware/v4l-pvrusb2-29xxx-01.fw

Also try this:
Code:
root@black2:~# md5sum /usr/lib/hotplug/firmware/v4l*
305dba74bbe5905447add8883f3ecb68  /usr/lib/hotplug/firmware/v4l-cx2341x-dec.fw
d85cb08382395390dc95ac6ebc2205f9  /usr/lib/hotplug/firmware/v4l-cx2341x-enc.fw
0661f8b2693fe3123e6234557353eacc  /usr/lib/hotplug/firmware/v4l-cx2341x-init.mpg
99836e41ccb28c7b373e87686f93712a  /usr/lib/hotplug/firmware/v4l-cx25840.fw
34d213394328adf78e2fc9f1411691b0  /usr/lib/hotplug/firmware/v4l-pvrusb2-24xxx-01.fw
3b7288416144467369ed2b5b10cf931d  /usr/lib/hotplug/firmware/v4l-pvrusb2-29xxx-01.fw

I suspect that you installed from a bad CD or did something funky during or after the install (you mentioned following some web directions which may be out of date). Reboot using the CD and use the option on the menu to test the CD image. As for directions, with R5E50 and a vanilla system you shouldn't have to do much other than respond to the prompts. The most confusing bit is when it kicks you into mythtv-setup, for that see this wiki page: http://www.knoppmythwiki.org/index.php? ... WatchingTV


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