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Old 01-07-2011, 02:10 AM   #1
tramni1980
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alsaconf: No supported PnP or PCI card found, sound works?!


Hello!
I am running Slackware Linux-13.1. Recently I noticed that alsaconf has stopped working: when I run it all I get is:
Code:
No supported PnP or PCI card found.
Would you like to probe legacy ISA sound cards/chips?
However, sound works just as good as it did before I noticed the problem. The issue is present both with the generic kernel and with any custom compiled one.

Here is some diagnostics with the custom compiled 2.6.37:
Code:
marto@marto:~$ lsmod
Module                  Size  Used by
snd_seq_dummy           1095  0 
snd_seq_oss            25736  0 
snd_seq_midi_event      4640  1 snd_seq_oss
snd_seq                43113  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device          4531  3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss            34493  0 
snd_mixer_oss          13739  1 snd_pcm_oss
ipv6                  238673  18 
fuse                   57453  1 
nvidia               9183618  38 
snd_hda_codec_realtek   223626  1 
snd_hda_intel          18616  8 
usbhid                 33240  0 
snd_hda_codec          64434  2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep               5066  1 snd_hda_codec
snd_pcm                59625  5 snd_pcm_oss,snd_hda_intel,snd_hda_codec
snd_timer              15805  4 snd_seq,snd_pcm
snd                    43276  23 snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer
parport_pc             18123  0 
soundcore               4687  1 snd
parport                26781  1 parport_pc                                                                                                     
snd_page_alloc          6061  2 snd_hda_intel,snd_pcm
and:
Code:
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02)
        Subsystem: Giga-byte Technology Device a002
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 32 bytes
        Interrupt: pin A routed to IRQ 41
        Region 0: Memory at f8200000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [50] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
                Address: 00000000fee0300c  Data: 4171
        Capabilities: [70] Express (v1) Root Complex Integrated Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us
                        ExtTag- RBE- FLReset+
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
                        RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+
                        MaxPayload 128 bytes, MaxReadReq 128 bytes
                DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend-
                LnkCap: Port #0, Speed unknown, Width x0, ASPM unknown, Latency L0 <64ns, L1 <1us
                        ClockPM- Surprise- LLActRep- BwNot-
                LnkCtl: ASPM Disabled; Disabled- Retrain- CommClk-
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed unknown, Width x0, TrErr- Train- SlotClk- DLActive- BWMgmt- ABWMgmt-
        Capabilities: [100] Virtual Channel <?>
        Capabilities: [130] Root Complex Link <?>
        Kernel driver in use: HDA Intel
        Kernel modules: snd-hda-intel
Any suggestions will be appreciated.

Regards,
Martin
 
Old 01-07-2011, 08:58 AM   #2
Linux.tar.gz
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I think not, but i ask anyway : is sound hdmi ?
Maybe some integrated chipsets are not yet recognized by alsaconf, but are by the kernel's module.
So you have sound ^^.
 
Old 01-07-2011, 09:29 AM   #3
tramni1980
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Quote:
Originally Posted by Linux.tar.gz View Post
I think not, but i ask anyway : is sound hdmi ?
Maybe some integrated chipsets are not yet recognized by alsaconf, but are by the kernel's module.
So you have sound ^^.
I am not sure whether sound is hdmi or not. How can I check it? I tried with custom kernels compiled with the snd-hda-codec-hdmi built as a module and not built at all. No difference. I also remember very well that before upgrading to the 2.6.37 kernel, alsaconf woked with the 2.6.35.7 kernel, but now it works with neither of them. I have no idea at all what might have gone wrong. Interestingly, sound works and alsamixer has a full menu.
 
Old 01-07-2011, 09:39 AM   #4
dugan
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The Arch Wiki claims that alsaconf should not be run for modern sound cards.

Quote:
All necessary modules should be detected and loaded automatically by udev. No special configuration is required unless an ISA card is being used. NEVER use alsaconf if you have a PCI or ISAPNP sound card, as the entries alsaconf adds to the modprobe.conf file might break udev's autodetection.
https://wiki.archlinux.org/index.php/Alsa
 
Old 01-07-2011, 09:53 AM   #5
tramni1980
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Quote:
Originally Posted by dugan View Post
The Arch Wiki claims that alsaconf should not be run for modern sound cards.



https://wiki.archlinux.org/index.php/Alsa
Thanks a lot. So everything should be alright I understand.
 
Old 01-07-2011, 10:15 AM   #6
Linux.tar.gz
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Quote:
Originally Posted by dugan View Post
The Arch Wiki claims that alsaconf should not be run for modern sound cards.



https://wiki.archlinux.org/index.php/Alsa
Pretty interesting.

HDMI is this :
http://en.wikipedia.org/wiki/Hdmi

So both sound and video travels through the same cable.

If you are connected via mini-jack or rca/cinch, then this ain't HDMI ^^
 
  


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