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 Post subject: Mythtv Server
PostPosted: Fri Feb 09, 2007 1:37 pm 
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Joined: Thu Feb 01, 2007 3:05 am
Posts: 3
Hi, has anybody successfully installed Mythtv-backend, I have debian (Latest Sylver) running and I have tried a few links and wiki's expalining what to do but all I get is unsatisfied prereq issues. I figured I would give up chasing my tail and ask for some help now. I have my USB DVB-T stick setup and ready tp go, I just need the server running now!!!

any help would be much appreciated

thanks
Paul


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 Post subject:
PostPosted: Mon Feb 12, 2007 5:18 pm 
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Joined: Thu Mar 09, 2006 6:14 pm
Posts: 15
This thread talks about MythTV running on the Kuro.

http://www.kurobox.com/forums/viewtopic.php?t=1290&start=0


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 Post subject:
PostPosted: Thu Feb 15, 2007 3:00 pm 
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Joined: Wed Nov 29, 2006 3:54 pm
Posts: 12
I still have not resolved a channel scanning issue with my HDHomeRun but other than that it seems to work just fine if you follow the instructions I put up on the Wiki here http://www.kurobox.com/mwiki/index.php/Mythtv

Good Luck!


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 Post subject:
PostPosted: Mon Feb 19, 2007 2:40 am 
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Joined: Thu Feb 01, 2007 3:05 am
Posts: 3
thanks for the replies, I will give it a try again!!


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 Post subject:
PostPosted: Tue Feb 20, 2007 8:28 am 
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Joined: Thu Mar 09, 2006 6:14 pm
Posts: 15
EPheatt,
Do you have commercial flagging running on the KuroBox as well?


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 Post subject:
PostPosted: Wed Feb 21, 2007 11:53 pm 
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Joined: Wed Nov 29, 2006 3:54 pm
Posts: 12
I don't have it run any commercial flagging or transcoding, I have a part time backend that I startup when I get home at night that has a p4 3ghz to take care of those tasks much quicker. The kuro is my master backend and I do have mysql and lighttpd for mythweb running so it is a pretty complete backend system. While the commercial flagger and transcoding could run on the kuro it takes forever to complete and causes recordings to fail if they are scheduled while it is flagging due to high disk IO problems.

I'll post any updates as I can to the wiki once I can make some more headway on backporting some HDHomeRun features from SVN to the stable .20-fixes branch.


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 Post subject:
PostPosted: Thu Feb 22, 2007 8:23 pm 
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Joined: Sat Jul 15, 2006 8:49 am
Posts: 219
Location: Virginia
I have commercial flagging running on my kuro backend but as EPheatt mentions the kuro takes a long time doing the job - I schedule the news so I can watch after dinner and it's usually not finished flagging a 1-hour show more than 2 hours later. I have not noticed recordings failing due to disk IO however. My data partition is XFS if that helps -- it might. My Sunday morning talk shows record and flag successfully one after the other.


russK


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PostPosted: Sun Feb 25, 2007 11:11 pm 
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Joined: Mon Jan 01, 2007 10:03 pm
Posts: 29
russK,

Since you've gotten it to work, can you enlighten me on a couple of points? I'm trying to get a kuro HG-WR / PVR-USB2 backend working, and I've just gotten the PVR-USB2 in the mail. I have mythtv built, but I'm not wuite sure how to get the encoder hooked up software-wise. I started with the '15-minute' gentoo install, and everything has worked pretty well so far.

- Do I need to compile a custom kernel to use the PVR-USB2? There is a wiki page (http://www.kurobox.com/mwiki/index.php/ ... der/Player) that suggests that a custom kernel is required to get V4L and PVR-USB2 support.

- How do I extract the firmware files? The same wiki page refers to a script that does it, but I don't see the details spelled out anywhere, and I've looked quite a bit (perhaps in the wrong places :) )

If there is a how-to somewhere, I'd appreciate a pointer.

Thanks for your help - MMcK


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 Post subject:
PostPosted: Mon Feb 26, 2007 4:30 pm 
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Joined: Sun Jun 12, 2005 1:31 am
Posts: 220
Best place to look for general PVR-USB2 support is here

http://www.isely.net/pvrusb2/pvrusb2.html

This can explain how to extract the firmware etc.

Also explains that if you have a 2.6.18 or higher kernel you have the driver and just need to build it


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 Post subject:
PostPosted: Mon Feb 26, 2007 8:45 pm 
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Joined: Sat Jul 15, 2006 8:49 am
Posts: 219
Location: Virginia
Javascout's reference does look very good, I would use that because some of the details I can't remember exactly. I did use the gentoo 15-minute image. You'll need coldplug and hotplug installed and the firmware goes under /usr/lib/firmware I think :oops: Sorry I can't refer to my box right now because it's temporarily off-line due to having to redo my wireless setup thanks to Windows Vista. If you have specific questions I may remember the answers.

Good luck


russK


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 Post subject:
PostPosted: Mon Feb 26, 2007 10:20 pm 
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Joined: Sat Jul 15, 2006 8:49 am
Posts: 219
Location: Virginia
I got my box back online ... I have the firmware installed in /lib/firmware


russK


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 Post subject:
PostPosted: Wed Feb 28, 2007 12:31 am 
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Joined: Mon Jan 01, 2007 10:03 pm
Posts: 29
Well, I may be getting closer. Or not.

I folowed the instructions at http://www.isely.net/pvrusb2/pvrusb2.html . Ince I'm using kernel 2.6.18.1-mh7_kurobox_hg, my interpretation is that all I need to do is to extract the firmware, copy it to the kuro, and install coldplug and hotplug. So I did. Now I have:

Code:
kuro ~ # ls /lib/firmware/
v4l-cx2341x-enc.fw  v4l-cx25840.fw  v4l-pvrusb2-24xxx-01.fw


Code:
emerge --search plug

gives, among many other things,
Code:
*  sys-apps/coldplug
      Latest version available: 20040920-r1
      Latest version installed: 20040920-r1
      Size of files: 0 kB
      Homepage:      http://linux-hotplug.sourceforge.net
      Description:   coldplug init.d program to load modules at bootime
      License:       GPL-2

*  sys-apps/hotplug
      Latest version available: 20040923-r2
      Latest version installed: 20040923-r2
      Size of files: 43 kB
      Homepage:      http://linux-hotplug.sourceforge.net
      Description:   USB and PCI hotplug scripts
      License:       GPL-2


Unforunately, when I plug in the PVR-USB2, it doesn't seem to be recognized correctly, and no /dev/video is created. I do see the following lines in dmesg when I plug/unplug the PVR-USB cable (the address number increment by one each time I plug/unplug the cable:

Code:
usb 1-1: USB disconnect, address 2
usb 1-1: new high speed USB device using ehci_hcd and address 3
usb 1-1: configuration #1 chosen from 1 choice



I also find
Code:
*  sys-fs/udev
      Latest version available: 104-r11
      Latest version installed: 087-r1
      Size of files: 183 kB
      Homepage:      http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev.html      Description:   Linux dynamic and persistent device naming support (aka userspace devfs)
      License:       GPL-2


Did I miss a step? I've been through the driver page several times, but no good so far. I notice that my udev is out of date, and I'm wondering whether that could be an issue...

Any advice is appreciated. Thanks - MMcK


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 Post subject:
PostPosted: Wed Feb 28, 2007 5:22 am 
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Joined: Sat Jul 15, 2006 8:49 am
Posts: 219
Location: Virginia
Do you have support in your kernel yet and did you add coldplug to your default runlevel? Your udev is fine, I have the same version. I think I followed a combination of the link Javascout referenced and this one on the wiki.

My kernel is: Linux gmyth 2.6.18_kurobox_hg #2 Fri Oct 27 19:40:25 EDT 2006 ppc 82xx GNU/Linux

I did not have to build a custom kernel, I think it had v4l already. I thought I would have downloaded it from here: http://www.kurobox.com/sylver/debian/ but the file name I have is kernel-2.6.18_kurobox_hg-tar.gz and I don't see that there. It's interesting this tarball already has the firmware in lib/firmware. I can post the .config file if you need it, or I can somehow get this tarball into a public place if you can't find it or one similar.


russK


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 Post subject:
PostPosted: Wed Feb 28, 2007 6:17 am 
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Joined: Sat Jul 15, 2006 8:49 am
Posts: 219
Location: Virginia
Oops, I missed that you said which kernel you are using. That one in sylver's debian space has a module for the pvrusb2. Is that where you got your kernel from?

I will post the .config I have tonight when I get back home from work.

russK


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 Post subject:
PostPosted: Wed Feb 28, 2007 8:30 am 
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Joined: Thu Jun 23, 2005 12:24 pm
Posts: 287
Don't forget, there are actually 2 different versions of the wintvpvrusb2, A 25xxx series and a 29xxx series. They use different kernel modules and different firmware, so that may also be the cause of the problem.


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