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SubjectRe: ALSA sound/pci/hda/hda_intel.c:2624: no codecs found
From
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.

> 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...
[ 544.879942] ALSA sound/pci/hda/hda_intel.c:913: codec_mask = 0x0
[ 544.879949] ALSA sound/pci/hda/hda_intel.c:1456: no codecs initialized
[ 544.880011] HDA Intel 0000:00:1b.0: PCI INT A disabled
[ 544.880037] HDA Intel 0000:02:00.1: PCI INT B -> GSI 17 (level,
low) -> IRQ 17
[ 544.880039] hda_intel: codec_mask forced to 0xf
[ 544.880086] HDA Intel 0000:02:00.1: irq 47 for MSI/MSI-X
[ 544.880102] HDA Intel 0000:02:00.1: setting latency timer to 64
[ 544.880105] ALSA sound/pci/hda/hda_intel.c:2529: chipset global
capabilities = 0x1001
[ 544.883989] ALSA sound/pci/hda/hda_intel.c:1351: codec #0 probed OK
[ 545.882519] ALSA sound/pci/hda/hda_intel.c:706: azx_get_response
timeout, polling the codec once: last cmd=0x100f0000
[ 546.881107] ALSA sound/pci/hda/hda_intel.c:706: azx_get_response
timeout, polling the codec once: last cmd=0x100f0000
[ 547.879688] ALSA sound/pci/hda/hda_intel.c:716: azx_get_response
timeout, switching to polling mode: last cmd=0x100f0000
[ 548.878273] ALSA sound/pci/hda/hda_intel.c:724: No response from
codec, disabling MSI: last cmd=0x100f0000
[ 549.876863] ALSA sound/pci/hda/hda_intel.c:1429: Codec #1 probe
error; disabling it...
[ 550.879431] ALSA sound/pci/hda/hda_intel.c:1429: Codec #2 probe
error; disabling it...
[ 551.882009] ALSA sound/pci/hda/hda_intel.c:1429: Codec #3 probe
error; disabling it...
[ 551.908789] ALSA sound/pci/hda/hda_intel.c:1675: azx_pcm_prepare:
bufsize=0x4b00, format=0x11
[ 551.908800] ALSA sound/pci/hda/hda_codec.c:1227:
hda_codec_setup_stream: NID=0x2, stream=0x1, channel=0, format=0x11
[ 551.908847] ALSA sound/pci/hda/hda_intel.c:1675: azx_pcm_prepare:
bufsize=0x4b00, format=0x11
[ 551.908855] ALSA sound/pci/hda/hda_codec.c:1227:
hda_codec_setup_stream: NID=0x2, stream=0x1, channel=0, format=0x11
[ 551.910077] ALSA sound/pci/hda/hda_codec.c:1290:
hda_codec_cleanup_stream: NID=0x2
[ 551.910111] ALSA sound/pci/hda/hda_codec.c:1290:
hda_codec_cleanup_stream: NID=0x2
[ 551.912482] ALSA sound/pci/hda/hda_intel.c:1675: azx_pcm_prepare:
bufsize=0x10000, format=0x11
[ 551.912492] ALSA sound/pci/hda/hda_codec.c:1227:
hda_codec_setup_stream: NID=0x2, stream=0x1, channel=0, format=0x11
[ 551.912515] ALSA sound/pci/hda/hda_intel.c:1675: azx_pcm_prepare:
bufsize=0x10000, format=0x11
[ 551.912524] ALSA sound/pci/hda/hda_codec.c:1227:
hda_codec_setup_stream: NID=0x2, stream=0x1, channel=0, format=0x11
[ 551.945208] hda-intel: IRQ timing workaround is activated for card
#0. Suggest a bigger bdl_pos_adj.


Thanks,
--
Jaswinder Singh.
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