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SubjectRe: 2.6.26-rc5-git2: snd-emu10k1 does not work
Date
On Monday, 30 of June 2008, Takashi Iwai wrote:
> At Mon, 30 Jun 2008 11:44:39 +0200,
> Rafael J. Wysocki wrote:
> >
> > On Monday, 30 of June 2008, Takashi Iwai wrote:
> > > At Sun, 29 Jun 2008 19:46:49 +0200,
> > > Rafael J. Wysocki wrote:
> > > >
> > > > On Tuesday, 10 of June 2008, Takashi Iwai wrote:
> > > > > At Mon, 9 Jun 2008 22:45:01 +0200,
> > > > > Rafael J. Wysocki wrote:
> > > > > >
> > > > > > On Monday, 9 of June 2008, Rafael J. Wysocki wrote:
> > > > > > > On Monday, 9 of June 2008, Takashi Iwai wrote:
> > > > > > > > At Sun, 8 Jun 2008 23:03:58 +0200,
> > > > > > > > Rafael J. Wysocki wrote:
> > > > > > > > >
> > > > > > > > > Hi,
> > > > > > > > >
> > > > > > > > > snd-emu10k1 doesn't work on one of my test boxes. The driver apparently loads,
> > > > > > > > > but the card is not visible, for example, to any mixer apps (including the ALSA
> > > > > > > > > mixer). However, YaST correctly detects and reports the card (the system is
> > > > > > > > > openSUSE 10.3, x86-64). The openSUSE-made kernel (2.6.22-something) does
> > > > > > > > > correctly work on the same hardware.
> > > > > > > > >
> > > > > > > > > Is there anything I should pay attention to, like any options related to /proc
> > > > > > > > > or sysfs that could have an effect on the audio adapter?
> > > > > > > >
> > > > > > > > First off, check /proc/asound/cards whether snd-emu10k1 driver is
> > > > > > > > really loaded on the first slot. I guess something else occupies the
> > > > > > > > position.
> > > > > > >
> > > > > > > This is quite possible, as there is an on-board audio in this box too and I'm
> > > > > > > not sure if the setup switch really turns it off.
> > > > > > >
> > > > > > > > If yes, a simple solution is to add the following option for snd module:
> > > > > > > >
> > > > > > > > options snd slots=snd-emu10k1
> > > > > > > >
> > > > > > > > then the first slot is reserved for emu10k1. Note that this option is
> > > > > > > > available for 2.6.25 or later kernel.
> > > > > > >
> > > > > > > I'll try later today and let you know.
> > > > > >
> > > > > > No, it didn't work.
> > > > > >
> > > > > > Here's what I got from /proc/asound/cards:
> > > > > >
> > > > > > 0 [Audigy ]: Audigy - Audigy 1 [SB0090]
> > > > > > Audigy 1 [SB0090] (rev.3, serial:0x531102) at 0xa000, irq 17
> > > > > > 1 [UART ]: MPU-401 UART - MPU-401 UART
> > > > > > MPU-401 UART at 0x330, irq 10
> > > > > >
> > > > > > so I think this is correct, and the "options snd slots=snd-emu10k1" thing had
> > > > > > no visible effect.
> > > > >
> > > > > Then this must be OK. Then the remaining possible problems are:
> > > > >
> > > > > - Device files and permissions.
> > > > > Check whether /dev/snd/* files exist and have proper permissions and
> > > > > ACL (see "getfacl /dev/snd/*")
> > > > >
> > > > > - The default ALSA configuration is hijacked, e.g. via pulse plugin.
> > > > > Try to remove /etc/asound-pulse.conf if present.
> > > >
> > > > I've just installed openSUSE 11.0 on this box and the distro kernel
> > > > 2.6.25.5-something works, but 2.6.26-rc8 doesn't. The symptoms are exactly
> > > > the same as described in this thread and the kernel is the only system
> > > > component replaced.
> > > >
> > > > So this is a regression from 2.6.25, actually. Do you want me to bisect?
> > >
> > > Hmm... there is really no visible problematic changes for emu10k1
> > > between 2.6.25 and 2.6.26. I guess checking /proc/asound/cards and/or
> > > kernel config would save the time of bisect. At least, check the
> > > following:
> > >
> > > 1. you have emu10k1 in the first entry (#0) of /proc/asound/cards
> >
> > Yes. The contents of /proc/asound/cards are exactly as shown above.
> >
> > > 2. the mixer states are OK (e.g. "Audigy Analog/Digital Output
> > > Jack" switch is off, "Master" and "PCM" are muted/adjusted, etc)
> >
> > I can only run alsamixer as root and then it works correctly. As a normal
> > user it doesn't start due to insufficient access rights.
> >
> > While kmix can be started as a normal user, it only shows empty window.
> >
> > > 3. run "aplay -Dhw:0 /usr/share/sounds/alsa/test.wav" for testing
> >
> > As root it works just fine. As a normal user I get:
> >
> > ALSA lib pcm_hw.c:1240:(_snd_pcm_hw_open) Invalid value for card
> > aplay: main:583: audio open error: Permission denied
>
> Weird. Could you try to remove ~/.asoundrc and /etc/asound*.conf if
> they exist?

I only had /etc/asound-pulse.conf . Removed that, but it didn't change
anything.

Thanks,
Rafael


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