Re: 2.6.17rc emu10k1 regression.

From: Takashi Iwai
Date: Mon May 29 2006 - 05:43:13 EST


At Sun, 28 May 2006 12:40:15 -0400,
Dave Jones wrote:
>
> $ lspci | grep audio
> 00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02)
> 06:0d.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 04)
>
> (That's 06:0d.1 0980: 1102:7002 (rev 01))
>
> This worked fine in 2.6.16, however when I try a .17rc kernel I get this..
>
> cannot find the slot for index 0 (range 0-1)
>
> EMU10K1_Audigy: probe of 0000:06:0d.0 failed with error -12
>
> (Unremarkable, considering it *isn't* an Audigy)
>
>
> modprobe.conf has ..
> alias snd-card-0 snd-emu10k1
> options snd-card-0 index=0
> options snd-emu10k1 index=0
> remove snd-emu10k1 { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ; }; /sbin/modprobe -r --ignore-remove snd-emu10k1
>
> What changed ?

Nothing from ALSA side. Maybe the module loading mechanism (or slot
order) was changed on your system.

The scenario is:

intel8x0 driver is first loaded on the first empty slot (index=0)
before snd-emu10k1. Since you set index=0 module option for
snd-emu10k1, it tried to load on the same slot but failed.

A workaround is to set index=1 option for snd-intel8x0 in addition,
for using emu10k1 as the primary card.


Takashi
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