Re: [Alsa-devel] HDA Intel sound driver fails on Acer notebook

On Tuesday 19 December 2006 20:48, tony mancill wrote:
FWIW, using pci=noacpi seems to break the USB controller on this laptop.
I get "device not accepting address xx, error -110.

Strange. I'm using an Acer Aspire 1640Z and the sound works perfectly. Of
course Kubuntu was the only distro I could find that did OOB, but that's
besides the point. In a quick look through /etc on my laptop I wasn't able to
see how they do this. But after doing a quick check on Google the reports
vary from this being a patched bug in ALSA to being easily solved by ensuring
that the needed sound modules are loaded in the proper order.

An alternate solution to this is to load the snd-hda-intel module with the
parameter "model=laptop"

In addition, neither the onboard nor the wireless NIC work anymore with
this option. For the onboard, you see that the link is up, but then
get "NETDEV WATCHDOG: eth0: transmit timed out."

acpi=off is worse - the boot hangs trying to load acpi/thermal.ko.

From personal experience I can say that ACPI is needed for Acer notebooks with
the centrino chipset to function properly.

I've tested with both 1.0.13 and and 1.0.14rc1. I don't get exactly
the same kernel logging (I'm using a Debian 2.6.18 kernel), but kern.log
contains:

I had the same problem when I tried Debian on this laptop. I don't recommend
it for laptops, since there are several common pieces of hardware found on
laptops that need firmware not shipped by Debian. This includes the ipw2200
firmware - which most Acer laptops need, because they ship with that wireless
card.

Dec 19 17:39:43 maus kernel: : hda_codec: invalid dep_range_val 0:7fff
Dec 19 17:39:43 maus kernel: ALSA
/home/tony/alsa-driver-1.0.14rc1/pci/hda/hda_codec.c:216: hda_codec:
invalid dep_range_val 0:7fff Dec 19 17:39:43 maus last message repeated 279
times
Dec 19 17:39:43 maus kernel: hda_codec: num_steps = 0 for NID=0xd
Dec 19 17:39:43 maus kernel: hda_codec: num_steps = 0 for NID=0x9
Dec 19 17:39:43 maus kernel: hda_codec: num_steps = 0 for NID=0xd
Dec 19 17:39:43 maus last message repeated 20 times
Dec 19 17:39:43 maus kernel: hda_codec: num_steps = 0 for NID=0x9

Thanks in advance for any assistance. I hope you enjoyed your
vacation.

Thanks,
tony

Takashi Iwai wrote:
Hi,

sorry for the late reply since I've been on vacation.

At Sun, 3 Dec 2006 02:30:34 -0500,

Chuck Ebbert wrote:
The HDA Intel sound driver still fails to load on my Acer Aspire 5102
notebook (Turion64 X2, ATI chipset):

Here is the PCI info while running x86_64. I tried i386 and x86_64 and
it fails on both:

00:14.2 Audio device: ATI Technologies Inc Unknown device 437b (rev 01)
Subsystem: Acer Incorporated [ALI] Unknown device 009f
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B-
ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency:
64, Cache Line Size 08
Interrupt: pin ? routed to IRQ 16
Region 0: Memory at c0000000 (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 PME-Enable- DSel=0 DScale=0
PME-
Capabilities: [60] Message Signalled Interrupts: 64bit+
Queue=0/0 Enable- Address: 0000000000000000 Data: 0000
00: 02 10 7b 43 06 00 10 04 01 00 03 04 08 40 00 00
10: 04 00 00 c0 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 25 10 9f 00
30: 00 00 00 00 50 00 00 00 00 00 00 00 0a 00 00 00
40: 00 00 02 40 00 00 00 00 00 00 00 00 00 00 00 00
50: 01 60 42 c8 00 00 00 00 00 00 00 00 00 00 00 00
60: 05 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

On i386 I get this after doing
insmod snd-hda-codec.ko ; insmod snd-hda-intel.ko

Dec 1 17:38:29 ac kernel: ACPI: PCI Interrupt 0000:00:14.2[A] -> GSI 16
(level, low) -> IRQ 18 Dec 1 17:38:29 ac kernel: codec_mask = 0xb
Dec 1 17:38:30 ac kernel: hda_codec: PCI 1025:9f, codec config 5 is
selected Dec 1 17:38:31 ac kernel: hda_intel: azx_get_response timeout,
switching to polling mode... Dec 1 17:38:32 ac kernel: hda_intel:
azx_get_response timeout, switching to single_cmd mode...

These messages are scary. It means that the communication between the
controller chip and the codec chip doesn't work, usually incorrect IRQ
handling, and often due to broken BIOS or ACPI support. Any change if
you pass pci=noacpi or acpi=off boot option?

Anyway, you can try alsa-git patch in mm tree. It's a better support
code for Acer laptops, and this might work slightly differently.


Takashi

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