Messages in this thread | | | Date | Wed, 27 Oct 2010 15:05:02 +0200 | From | Takashi Iwai <> | Subject | Re: ALSA sound/pci/hda/hda_intel.c:2624: no codecs found |
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At Wed, 27 Oct 2010 17:53:52 +0530, Jaswinder Singh wrote: > > On Wed, Oct 27, 2010 at 1:14 PM, Takashi Iwai <tiwai@suse.de> wrote: > > At Wed, 27 Oct 2010 12:57:35 +0530, > > Jaswinder Singh wrote: > >> > >> > >> [ 7.854510] IOAPIC[0]: Set routing entry (8-22 -> 0xa9 -> IRQ 22 > >> Mode:1 Active:1) > >> [ 7.854515] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, > >> low) -> IRQ 22 > >> [ 7.854569] HDA Intel 0000:00:1b.0: irq 47 for MSI/MSI-X > >> [ 7.854589] HDA Intel 0000:00:1b.0: setting latency timer to 64 > >> [ 7.854593] ALSA sound/pci/hda/hda_intel.c:2529: chipset global > >> capabilities = 0x4401 > >> [ 7.859681] ALSA sound/pci/hda/hda_intel.c:913: codec_mask = 0x0 > >> [ 7.859687] ALSA sound/pci/hda/hda_intel.c:2624: no codecs found! > > > > So, the hardware (BIOS) tells no codec is connected to this bus. > > > > Hmm, very strange, but In BIOS sound is enable. How is this possible.
No idea. Any jumpers?
> > As a last resort, you can try to load with probe_mask=0x10f. This > > will probe the codec chips forcibly no matter whether it's present or > > not. > > > > # /sbin/insmod sound/pci/hda/snd-hda-intel.ko probe_mask=0x10f > > [ 536.851846] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, > low) -> IRQ 22 > [ 536.851849] hda_intel: codec_mask forced to 0xf > [ 536.851908] HDA Intel 0000:00:1b.0: irq 47 for MSI/MSI-X > [ 536.851927] HDA Intel 0000:00:1b.0: setting latency timer to 64 > [ 536.851932] ALSA sound/pci/hda/hda_intel.c:2529: chipset global > capabilities = 0x4401 > [ 537.857929] ALSA sound/pci/hda/hda_intel.c:706: azx_get_response > timeout, polling the codec once: last cmd=0x000f0000 > [ 538.856516] ALSA sound/pci/hda/hda_intel.c:706: azx_get_response > timeout, polling the codec once: last cmd=0x000f0000 > [ 539.855096] ALSA sound/pci/hda/hda_intel.c:716: azx_get_response > timeout, switching to polling mode: last cmd=0x000f0000 > [ 540.853681] ALSA sound/pci/hda/hda_intel.c:724: No response from > codec, disabling MSI: last cmd=0x000f0000 > [ 541.852269] ALSA sound/pci/hda/hda_intel.c:1429: Codec #0 probe > error; disabling it... > [ 542.858837] ALSA sound/pci/hda/hda_intel.c:1429: Codec #1 probe > error; disabling it... > [ 543.865396] ALSA sound/pci/hda/hda_intel.c:1429: Codec #2 probe > error; disabling it... > [ 544.871963] ALSA sound/pci/hda/hda_intel.c:1429: Codec #3 probe > error; disabling it...
So, the driver tries to probe all slots, but in vain.
Takashi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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