Gentoo Archives: gentoo-user

From: Michael Sullivan <michael@××××××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: OT - Need MythTV setup help (resend)
Date: Sun, 08 Jan 2006 18:42:16
Message-Id: 1136745461.9803.13.camel@camille.espersunited.com
In Reply to: Re: [gentoo-user] Re: OT - Need MythTV setup help (resend) by Mark Knecht
1 On Sun, 2006-01-08 at 10:18 -0800, Mark Knecht wrote:
2 > On 1/8/06, Michael Sullivan <michael@××××××××××××.com> wrote:
3 > > On Sun, 2006-01-08 at 09:32 -0800, Mark Knecht wrote:
4 > > > Michael Sullivan <michael@××××××××××××.com> wrote:
5 > > >
6 > > >
7 > > > > I tried the test "cat /dev/video0 > test.mpg" and opening it in mplayer
8 > > > > and all I got was the blank screen.
9 > > >
10 > > > I've been through this numerous times. It's no fun. Sorry.
11 > > >
12 > > > First, and most important, what does dmesg about ivtv show when you boot?
13 > > >
14 > >
15 > > michael@camille ~ $ dmesg | grep 'ivtv'
16 > > ivtv: ==================== START INIT IVTV ====================
17 > <SNIP>
18 > > ivtv: ==================== END INIT IVTV ====================
19 > > michael@camille ~ $
20 >
21 > That looked OK to me.
22 >
23 > >
24 > >
25 > > > Second, when you record 10 seconds of data to test.mpg what is the
26 > > > file size? Zero/small means ivtv simply isn't working. Large means it
27 > > > is but the tuner or something else is not working correctly.
28 > > >
29 > > camille ~ # cat /dev/video0 > temp.mpg
30 > >
31 > > camille ~ # ls -lh temp.mpg
32 > > -rw-r--r-- 1 root root 13M Jan 8 11:46 temp.mpg
33 >
34 > So you are getting 'data', even if it was black. I see in a second
35 > email you got a picture now. That's good.
36 > >
37 > > > Note that there are a number of us that are unable to reboot PVR
38 > > > cards. We must cold boot them to have them operate correctly. Info
39 > > > will show up in dmesg if you are one of this unfortunate select group.
40 > > > lspci -x after a warm and cold boot would show a difference.
41 > > >
42 > <SNIP>
43 > >
44 > > 05:00.0 Multimedia video controller: Internext Compression Inc iTVC16
45 > > (CX23416) MPEG-2 Encoder (rev 01)
46 > > 00: 44 44 16 00 16 01 10 02 01 00 00 04 10 40 00 00
47 > > 10: 08 00 00 d0 00 00 00 00 00 00 00 00 00 00 00 00
48 > > 20: 00 00 00 00 00 00 00 00 00 00 00 00 70 00 01 48
49 > > 30: 00 00 00 00 44 00 00 00 00 00 00 00 03 01 80 08
50 > <SNIP>
51 > >
52 > > And here is lspci -x from a "warm" boot:
53 > <SNIP>
54 > >
55 > > 05:00.0 Multimedia video controller: Internext Compression Inc iTVC16
56 > > (CX23416) MPEG-2 Encoder (rev 01)
57 > > 00: 44 44 16 00 16 01 10 02 01 00 00 04 10 40 00 00
58 > > 10: 08 00 00 d0 00 00 00 00 00 00 00 00 00 00 00 00
59 > > 20: 00 00 00 00 00 00 00 00 00 00 00 00 70 00 01 48
60 > > 30: 00 00 00 00 44 00 00 00 00 00 00 00 03 01 80 08
61 > <SNIP>
62 >
63 > You are lucky. You do not have the problem I have.
64 >
65 > OK, since your other email said you got a picture but Myth isn't
66 > seeing it please try removing the current card setup in mythsetup and
67 > recreating it. I've had a couple of times where an ivtv update caused
68 > the existing card settings to not work. I delete them, recreate it
69 > from scratch, and I'm back to the races.
70 >
71 > On other possibility is how you are linking the PVR to Myth. Did yuo
72 > set the video device to /dev/v4l/video0 (not /dev/video0) and the
73 > default input to Tuner 0? In the input connections section did you set
74 > Tuner 0 to your cable listing from Zap2It?
75 >
76 > Hope this helps,
77 > Mark
78 >
79
80 It seems to be working now. Sort of. mythfrontend isn't lasting longer
81 than a second and a half. mythbackend is still dying seemingly
82 randomly. It's not leaving logs in /var/log/mythtv. How can I find out
83 why it's dying so as to find a way to stop it from dying?
84
85 --
86 gentoo-user@g.o mailing list

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Re: [gentoo-user] Re: OT - Need MythTV setup help (resend) Mark Knecht <markknecht@×××××.com>