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Mit
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 Posted: Sat May 12, 2007 8:44 am Post subject: Nforce Audio vs CX88 - No Sound |
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This is a puzzling one that i'm struggling to find a solution for,
I have an Asrock ALiveNF6G-DVI mobo, that works fine,everything worked on it ok, sound came out of the speakers. I decided to add a Hauppauge Nova-T to it to use as a media PC. Once As soon as the TV card was plugged in, the sound stopped working, as far as the machine is concerned the sound still works, and if I try to play with mplayer or any other player, it plays but no sound comes out of the speakers. If i feed something to the line in it comes out of the speakers correctly (upscaled to the 5.1 from stereo)
As soon as I remove the TV Card (without removing the driver modules from the kernel) the sound works correctly again
00:05.0 Audio device: nVidia Corporation MCP61 High Definition Audio (rev a2)
01:0a.0 Multimedia video controller: Conexant CX23880/1/2/3 PCI Video and Audio Decoder (rev 05)
01:0a.2 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and Audio Decoder [MPEG Port] (rev 05)
01:0a.4 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and Audio Decoder [IR Port] (rev 05)
http://tim.igoe.me.uk/files/notv.txt - dmesg after boot WITHOUT the tv card
http://tim.igoe.me.uk/files/tv.txt - dmesg after boot WITH the tv card
Tried on gentoo-sources 2.6.20-r5, r6 and 2.6.21
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yngwin
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Joined: 19 Dec 2002
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Location: Suzhou, China
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| Posted: Sat May 12, 2007 10:35 am Post subject: |
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anything relevant in dmesg and/or /var/log/messages ?
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Mit
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| Posted: Sat May 12, 2007 11:23 am Post subject: |
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| yngwin wrote: | | anything relevant in dmesg and/or /var/log/messages ? |
I have linked the 2 dmesg outputs in the post, nothing relevant that I can see, which is why i'm asking.
About the only difference relating to the sound card is
#0: HDA NVidia at 0xdcff8000 irq 21 - With TV
to
#0: HDA NVidia at 0xdfff8000 irq 21 - Without TV
But that alone doesn't mean a lot to me.
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yngwin
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| Posted: Sat May 12, 2007 12:44 pm Post subject: |
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What about /var/log/messages ? Or whatever it is that you system logger uses.
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Mit
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| Posted: Sat May 12, 2007 12:48 pm Post subject: |
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| yngwin wrote: | | What about /var/log/messages ? Or whatever it is that you system logger uses. |
nothing different between the 2 boots
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Mit
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| Posted: Sat May 12, 2007 1:08 pm Post subject: |
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tried with another DVB-T card, (Compro DVB-T200) - sound works fine then, but I can't get all the channels (missing 2 multiplexes here in the UK - the 2 QAM64 ones) - that card works fine in Windows in another PC, so I assume the Linux drivers aren't great for it.
So, its something with the Hauppauge card, but I have no idea what.
[edit]
I have also tried the seperate alsa-driver package as well as that in the kernel
[/edit]
A diff of the 2 dmesgs - give me a few bits about interrupts and the TV Card drivers
diff tv.txt notv.txt
| Code: |
< ACPI: PCI Interrupt Link [LNKC] (IRQs 16 17 18 19) *10
---
> ACPI: PCI Interrupt Link [LNKC] (IRQs 16 17 18 19) *0, disabled.
150c150
< MEM window: dd000000-dfffffff
---
> MEM window: disabled.
209,224d208
< ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 19
< ACPI: PCI Interrupt 0000:01:0a.0[A] -> Link [LNKC] -> GSI 19 (level, low) -> IRQ 19
< CORE cx88[0]: subsystem: 0070:9002, board: Hauppauge Nova-T DVB-T [card=18,autodetected]
< TV tuner 4 at 0x1fe, Radio tuner -1 at 0x1fe
< tveeprom 0-0050: Hauppauge model 90002, rev C176, serial# 143395
< tveeprom 0-0050: MAC address is 00-0D-FE-02-30-23
< tveeprom 0-0050: tuner model is Thompson DTT7592 (idx 76, type 4)
< tveeprom 0-0050: TV standards ATSC/DVB Digital (eeprom 0x80)
< tveeprom 0-0050: audio processor is None (idx 0)
< tveeprom 0-0050: decoder processor is CX882 (idx 25)
< tveeprom 0-0050: has no radio, has IR receiver, has no IR transmitter
< cx88[0]: hauppauge eeprom: model=90002
< input: cx88 IR (Hauppauge Nova-T DVB-T as /class/input/input2
< cx88[0]/0: found at 0000:01:0a.0, rev: 5, irq: 19, latency: 32, mmio: 0xdf000000
< cx88[0]/0: registered device video0 [v4l2]
< cx88[0]/0: registered device vbi0
226,228d209
< cx88[0]/2: cx2388x 8802 Driver Manager
< ACPI: PCI Interrupt 0000:01:0a.2[A] -> Link [LNKC] -> GSI 19 (level, low) -> IRQ 19
< cx88[0]/2: found at 0000:01:0a.2, rev: 5, irq: 19, latency: 32, mmio: 0xde000000
232,235d212
< CORE cx88[0]: subsystem: 0070:9002, board: Hauppauge Nova-T DVB-T [card=18]
< cx88[0]/2: cx2388x based dvb card
< DVB: registering new adapter (cx88[0]).
< DVB: registering frontend 0 (Conexant CX22702 DVB-T)...
258c235
< ehci_hcd 0000:00:02.1: irq 22, io mem 0xdcffec00
---
> ehci_hcd 0000:00:02.1: irq 22, io mem 0xdfffec00
272c249
< input: AT Translated Set 2 keyboard as /class/input/input3
---
> input: AT Translated Set 2 keyboard as /class/input/input2
280c257
< #0: HDA NVidia at 0xdcff8000 irq 21
---
> #0: HDA NVidia at 0xdfff8000 irq 21
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Cyker
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| Posted: Sat May 12, 2007 2:26 pm Post subject: |
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Do you know which sound device its outputting to?
There was a post a few weeks back, where some guy's voice modem or something was being sent all the sound data instead of the soundcard - Disabling it fixed it for him IIRC |
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Mit
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| Posted: Sat May 12, 2007 2:29 pm Post subject: |
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| Cyker wrote: | Do you know which sound device its outputting to?
There was a post a few weeks back, where some guy's voice modem or something was being sent all the sound data instead of the soundcard - Disabling it fixed it for him IIRC |
I only have one sound output device
celery ~ # cat /proc/asound/cards
0 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xdcff8000 irq 21
It is supposedly outputting to this device.
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Mit
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| Posted: Sat May 12, 2007 3:53 pm Post subject: |
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timigoe@celery ~ $ cat /proc/interrupts
CPU0
0: 72291 IO-APIC-edge timer
1: 454 IO-APIC-edge i8042
8: 0 IO-APIC-edge rtc
9: 0 IO-APIC-fasteoi acpi
12: 4 IO-APIC-edge i8042
14: 4908 IO-APIC-edge ide0
19: 41475 IO-APIC-fasteoi cx88[0], cx88[0]
21: 436 IO-APIC-fasteoi HDA Intel
22: 0 IO-APIC-fasteoi ehci_hcd:usb1
284: 27641 PCI-MSI-edge eth0
NMI: 0
LOC: 72254
ERR: 0
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Mit
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| Posted: Sat May 12, 2007 6:12 pm Post subject: |
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Ok, I have a solution... remove the blanking plate from the TV Card
http://tim.igoe.me.uk/files/mediapc.jpg - is my media PC, the TV card is horizontal, the end of the blanking plate is touching against the sound output stack. Shorting it out.
Silly 'issue', and I don't know what made me try and remove the plate frm the TV card to fix it.
[edit]
Or not, a lucky boot that worked or something... its not done it again since i rebooted 
[/edit]
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Mit
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| Posted: Sat May 12, 2007 6:44 pm Post subject: |
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back to trying to fix it... if i play an mp3 or something and watch /proc/interrupts I can see interrupts occuring on interrupt 21, the HDA Intel card. As soon as I kill mplayer they stop.
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Mit
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| Posted: Sat May 12, 2007 10:52 pm Post subject: |
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a few hours later, and a test windows install complete... looks like its the hardware not behaving correctly. Exactly the same happens in Windows
Only with the WinTV Nova-T does the problem exist, I have tried other PCI cards and they all behave correctly.
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