On Fri, Aug 28, 2009 at 09:00:58PM -0400, Andy Walls wrote:
> On Fri, 2009-08-28 at 16:49 -0500, Chris Kennedy wrote:
> > On Fri, Aug 28, 2009 at 04:31:13PM -0500, Chris Kennedy wrote:
> > > On Fri, Aug 28, 2009 at 03:40:07PM -0400, Andy Walls wrote:
> > > > On Fri, 2009-08-28 at 12:01 -0500, Chris Kennedy wrote:
> > > >
> > > >
> > > > If you can reproduce again, maybe use v4l2-dbg to dump the registers of
> > > > the cx25840 and compare the good and the bad cases. I suspect registers
> > > > in the 0x800-0x8ff range will jump out as being very different. It
> > > > won't explain the failure mode however...
> > >
> > > I've got a script that I am running which checks for the
> > > oddity in audio subchannels and resets the audio input to
> > > 0 when not just mono. I put into that a v4l2-dbg command to
> > > dump the registers, so I should be able to catch the state
> > > of the registers to my log file when this happens.
> >
> > Right away after running my catch script, it happens to
> > have caught this happening almost always on driver
> > load. Actually not always, out of the 4 inputs usually
> > 3 or so will have this odd mono lang2 state. I'm guessing
> > this may be the natural state before audio detection,
> > so when this happens the chip just wasn't able to detect
> > audio standards correctly or something like that (and seems
> > calling the audio input set command makes it try again and
> > usually works that time).
>
> Hmmm. Another guess, maybe with the newer kernel version, perhaps
> cx25840 firmware load worker thread is completing faster than initial
> tuner setup in ivtv-driver.c (I'm assuming it wasn't with the old
> kernel), so the SIF is not stable when the CX25843 firmware is loaded
> and set running.
>
> Just another guess really.
>
>
> > So here's the main diffs between the registers, from 2 different
> > inputs to help. I'll see if it ever does this outside a restart,
> > and will see if I can find a time when it does this and truly
> > messes up audio (in these cases it's probably not fully
> > initialized or detecting audio yet, I'm guessing, but interesting
> > that this is exactly the same subchannels it shows when the
> > audio is messed up).
>
> I suspect you're right about the default state.
>
> I'll take a look at these diffs tomorrow.
>
> Regards,
> Andy
>
> > These are diffs of bad vs. good, so - is from bad state
> > and + is when back into good state.
> >
> > -00000120: 00 00 01 10 87 b6 30 50 f8 93 11 a0 ff 5f 20 11
> > +00000120: 00 00 01 10 87 b6 b0 50 f8 93 11 a0 ff 5f 20 11
> >
> > -00000400: 01 e0 04 00 31 25 10 00 00 80 00 00 00 91 00 00
> > -00000410: bf 01 ff 7f 00 80 00 00 00 00 00 00 00 00 08 00
> > +00000400: 01 e0 04 00 31 25 10 00 00 80 00 00 00 81 35 00
> > +00000410: bf 07 ff 7f 00 80 00 00 00 00 00 00 00 00 08 00
> >
> > -00000480: 26 00 00 00 00 00 00 42 1b 97 05 f8 dc 40 10 00
> > +00000480: 5b 00 00 00 00 00 60 42 17 d3 07 f8 dc 40 10 00
> >
> > -00000800: fe 3f 02 13 fe ff 8d 00 f6 04 01 00 00 00 1c 60
> > -00000810: 00 01 ff 80 05 09 14 20 c0 31 00 00 50 00 53 47
> > -00000820: 16 4a ce 1b 85 e0 05 8a a0 01 00 00 e9 01 ed 03
> > +00000800: fe 3f f8 13 fe ff 8d 00 f6 04 11 00 00 00 1c e0
> > +00000810: 00 01 ff 80 05 09 14 20 c0 31 00 00 50 00 80 47
> > +00000820: 53 44 ce 1b 05 e0 05 8a a0 01 00 00 e9 01 ed 03
> >
> > -00000840: 00 00 00 40 00 00 ed 03 10 80 84 1e 00 00 00 40
> > -00000850: 55 5f a1 00 30 00 00 00 00 00 00 00 3e 70 00 80
> > -00000860: b8 01 ca 00 00 00 00 00 00 00 00 00 00 00 00 00
> > -00000870: 00 00 00 00 00 00 00 00 7e 05 7e 05 88 45 a2 06
> > -00000880: da 07 3c 0b e1 ca 03 40 30 70 30 70 f4 01 7f 00
> > -00000890: 24 f4 03 40 30 70 30 70 fb 0c 2d 02 58 01 7b 05
> > +00000840: 00 00 00 40 00 00 ed 03 10 80 00 00 00 00 00 00
> > +00000850: bc 42 42 01 31 00 00 00 2d 0d 00 80 00 78 00 00
> > +00000860: 55 1b 04 00 00 04 00 00 00 00 33 46 10 30 05 00
> > +00000870: 28 18 04 00 04 06 00 00 41 02 41 02 ec 45 87 07
> > +00000880: 71 0a 80 0c e1 ca 03 40 30 70 30 70 31 00 16 00
> > +00000890: 24 f4 03 40 30 70 30 70 e7 10 e3 00 00 00 63 00
> >
> > -000008c0: 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 0f
> > +000008c0: 00 00 00 00 00 00 00 00 00 00 01 00 22 00 08 0f
> >
> > -00000940: 00 00 00 00 00 00 00 00 00 2e 3f 4a 00 33 64 54
> > -00000950: 00 00 00 ff 03 10 40 07 00 08 02 ff 00 00 00 00
> > +00000940: 00 00 00 00 00 00 00 00 00 2e 3f 4a 00 33 64 3d
> > +00000950: 00 00 00 d2 01 10 40 07 00 08 02 ff 00 00 00 00
> >
> > -00000990: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> > -000009a0: 00 00 00 00 00 00 00 00 00 00 00 00 21 06 00 00
> > +00000990: 00 00 00 00 00 00 00 80 00 00 00 00 00 00 00 00
> > +000009a0: 00 00 00 00 00 00 00 00 11 00 00 00 06 f4 00 80
> >
> > -- SECOND CARD --
> >
> > -00000120: 00 00 01 10 87 b6 30 50 f8 93 11 a0 ff 5f 20 11
> > +00000120: 00 00 01 10 87 b6 b0 50 f8 93 11 a0 ff 5f 20 11
> >
> > -00000400: 01 e0 04 00 31 25 10 00 00 80 00 00 00 81 01 00
> > -00000410: bb 01 ff ff 00 80 00 00 00 00 00 00 00 00 08 00
> > +00000400: 01 e0 04 00 31 25 10 00 00 80 00 00 00 91 15 00
> > +00000410: bb 03 ff ff 00 80 00 00 00 00 00 00 00 00 08 00
> >
> > -00000480: 26 00 00 00 00 00 10 40 10 59 24 f8 dc 40 10 00
> > +00000480: 5b 00 00 00 00 00 64 42 17 5c 28 f8 dc 40 10 00
> >
> > -00000800: fe 3f 03 13 fe ff 8d 00 f6 04 01 00 00 00 00 20
> > -00000810: 00 02 ff 80 05 09 14 20 c0 31 00 00 50 00 6b 53
> > -00000820: 02 55 ce 1b 84 e0 04 e0 a0 01 00 00 e9 01 ed 03
> > +00000800: fe 3f 03 13 fe ff 8d 00 f6 04 11 00 00 00 00 a0
> > +00000810: 00 02 ff 80 05 09 14 20 c0 31 00 00 50 00 80 47
> > +00000820: 53 44 ce 1b 04 e0 04 e0 a0 01 00 00 e9 01 ed 03
> >
> > -00000840: 00 00 00 00 00 00 ed 03 10 80 84 1e 00 00 00 00
> > -00000850: 55 5f a1 00 30 00 00 00 00 00 00 00 3e 70 00 80
> > -00000860: b8 01 ca 00 00 00 00 00 00 00 00 00 00 00 00 00
> > -00000870: 00 00 00 00 00 00 00 00 c0 16 c0 16 88 45 a2 06
> > -00000880: da 07 3c 0b bd 83 71 41 23 a4 23 a4 cd 05 dc 04
> > -00000890: a9 9b 03 40 59 ae 59 ae c3 0c 52 01 87 06 58 0e
> > +00000840: 00 00 00 00 00 00 ed 03 10 80 00 00 00 00 00 00
> > +00000850: bc 42 42 01 31 00 00 00 b5 12 00 80 00 78 00 00
> > +00000860: 55 1b 04 18 00 04 00 00 00 00 33 46 10 30 05 00
> > +00000870: 28 18 04 00 04 06 00 00 07 08 07 08 ec 45 87 07
> > +00000880: 71 0a 80 0c bd 83 71 41 23 a4 23 a4 16 00 05 00
> > +00000890: a9 9b 03 40 59 ae 59 ae f8 08 80 00 00 00 db 03
> >
> > -000008c0: 00 00 00 00 00 00 00 00 1f 06 01 00 00 00 00 0f
> > +000008c0: 00 00 00 00 00 00 00 00 00 00 01 00 22 00 08 0f
> >
> > -000008f0: fc 0a 00 88 88 88 55 55 7c 86 01 08 7c 86 01 08
> > +000008f0: fc 0a 52 bb 88 88 55 55 7c 86 01 08 7c 86 01 08
> >
> > -00000940: 00 00 00 00 00 00 00 00 00 2e 3f 4a 00 33 64 a0
> > -00000950: 00 00 00 ff 03 10 40 07 00 08 02 ff 00 00 00 00
> > +00000940: 00 00 00 00 00 00 00 00 00 2e 3f 4a 00 33 64 47
> > +00000950: 00 00 00 b0 02 10 40 07 00 08 02 ff 00 00 00 00
> >
> > -000009a0: 00 00 00 00 00 00 00 00 00 00 00 00 e7 06 00 00
> > +000009a0: 00 00 00 00 00 00 00 00 11 00 00 00 0a f4 00 80
And here it is after running a few hours, seems it can go into
that state during capture too...
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
-00000800: fe 3f 90 13 00 0f 8d 20 f6 04 11 00 00 00 1c e0
+00000800: fe 3f f9 13 00 0f 8d 00 f6 04 11 00 00 00 1c e0
00000810: 00 01 ff 8e 05 09 14 20 c0 31 00 00 d1 05 80 47
-00000820: 00 28 00 80 44 e5 84 e5 a8 5c 72 00 f2 07 01 24
-00000830: 21 a0 86 01 d6 10 00 c0 00 08 01 24 21 a0 86 01
-00000840: d7 6e 00 c0 00 1b 00 01 31 00 00 00 a6 02 00 80
-00000850: bc 42 42 01 31 00 00 00 d2 37 00 80 00 78 00 00
+00000820: 00 28 00 80 44 e0 84 e0 a8 5c 72 00 f2 07 01 24
+00000830: 21 a0 86 01 00 00 00 40 00 08 01 24 21 a0 86 01
+00000840: 00 00 00 40 00 1b 00 01 31 00 00 00 00 00 00 00
+00000850: 53 44 42 01 31 00 00 00 cb 0e 00 80 00 78 00 00
00000860: 55 1b 04 00 00 04 00 00 00 00 33 46 10 30 05 00
00000870: 28 18 04 00 04 06 00 00 41 02 41 02 ec 45 87 07
-00000880: 71 0a 80 0c e1 ca 03 40 30 70 30 70 00 00 00 00
-00000890: 24 f4 03 40 30 70 30 70 1c 11 f9 00 00 00 7b 00
+00000880: 71 0a 80 0c e1 ca 03 40 30 70 30 70 00 00 04 00
+00000890: 24 f4 03 40 30 70 30 70 22 11 ed 00 00 00 36 00
000008a0: 78 06 d6 12 87 51 00 00 de 53 03 00 b1 01 00 00
000008b0: d0 f3 00 00 00 00 00 00 c8 00 ff 0f 1f 00 0f 00
000008c0: 00 00 00 00 00 00 00 00 00 00 01 00 22 00 08 0f
-000008d0: 70 38 06 01 24 00 ff 7f 00 18 18 18 a3 33 ff 7f
+000008d0: 70 38 06 1f 24 00 ff 7f 00 18 18 18 a3 33 ff 7f
Figure this is interesting in comparison the the previous
when starting up, looks yet a little different in the audio
register regions.
Thanks,
Chris
> >
> >
> >
> > Thanks,
> > Chris
> > >
> > > >
> > > > > Good - Available subchannels: mono
> > > > > Bad + Available subchannels: mono lang2
> > > >
> > > > I wonder why stereo doesn't show up...
> > >
> > > It has once since I have been running my check script,
> > > on one interface (have 4, or 2 pvr500's). It went away
> > > when running the v4l2-ctl command and setting the audio
> > > input to 0. The input is a directv tuner box.
> > >
> > > Thanks,
> > > Chris
> > > >
> > > > Regards,
> > > > Andy
> > > >
> > > >
> > > > > Thanks,
> > > > > Chris
> > > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > ivtv-devel mailing list
> > > > [email protected]
> > > > http://ivtvdriver.org/mailman/listinfo/ivtv-devel
> > >
> > > --
> > > Chris Kennedy
> > > [email protected]
> > >
> > > _______________________________________________
> > > ivtv-devel mailing list
> > > [email protected]
> > > http://ivtvdriver.org/mailman/listinfo/ivtv-devel
> >
>
>
> _______________________________________________
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> [email protected]
> http://ivtvdriver.org/mailman/listinfo/ivtv-devel
--
Chris Kennedy
[email protected]
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