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<H1>[Mageia-dev] No sound after reboot.</H1>
<B>Colin Guthrie</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20No%20sound%20after%20reboot.&In-Reply-To=%3C4EE9C0E3.4090709%40colin.guthr.ie%3E"
TITLE="[Mageia-dev] No sound after reboot.">mageia at colin.guthr.ie
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<I>Thu Dec 15 10:41:55 CET 2011</I>
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<PRE>'Twas brillig, and Charles A Edwards at 15/12/11 02:02 did gyre and gimble:
><i> On Wed, 14 Dec 2011 10:27:55 +0000
</I>><i> Colin Guthrie <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">mageia at colin.guthr.ie</A>> wrote:
</I>><i>
</I>>>><i> Sound card is c-media and is properly detected in both harddrake and
</I>>>><i> alsaconf and uses the snd_cmipci driver and is set to use
</I>>>><i> pulseaudio.
</I>>>><i>
</I>>>><i> Driver and modules are loaded
</I>>>><i>
</I>>>><i> [<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">root at SuperSize</A> ~]# lspcidrake -v |grep AUDIO
</I>>>><i> snd_cmipci : C-Media Electronics Inc|CM8738 [MULTIMEDIA_AUDIO]
</I>>>><i> (vendor:13f6 device:0111 subv:584d subd:3731) (rev: 10)
</I>>>><i> [<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">root at SuperSize</A> ~]# lsmod |grep snd
</I>>>><i> snd_cmipci 40460 0
</I>>>><i> gameport 14963 1 snd_cmipci
</I>>>><i> snd_pcm 84041 1 snd_cmipci
</I>>>><i> snd_page_alloc 18101 1 snd_pcm
</I>>>><i> snd_opl3_lib 18620 1 snd_cmipci
</I>>>><i> snd_timer 28855 2 snd_pcm,snd_opl3_lib
</I>>>><i> snd_hwdep 13515 1 snd_opl3_lib
</I>>>><i> snd_mpu401_uart 13992 1 snd_cmipci
</I>>>><i> snd_rawmidi 29657 1 snd_mpu401_uart
</I>>>><i> snd_seq_device 14136 2 snd_opl3_lib,snd_rawmidi
</I>>>><i> snd 70007 8
</I>>>><i> snd_cmipci,snd_pcm,snd_opl3_lib,snd_timer,snd_hwdep,snd_mpu401_uart,snd_rawmidi,snd_seq_device
</I>>>><i> soundcore 14491 1 snd
</I>>>><i>
</I>>>><i> But the card is not detected by pulseaudio
</I>>>><i> Running PulseAudio Volumne Control:
</I>>>><i> Shows only for Dummy Output
</I>>>><i> Configuration:
</I>>>><i> Shows: No cards available for configuration
</I>>><i>
</I>>><i> Generally this relates to a permissions issue (although it can also
</I>>><i> indicate a problem with dbus)
</I>>><i> getfacl
</I>>><i> 1. cat /proc/asound/cards
</I>>><i> 2. getfacl /dev/snd/pcm*
</I>>><i> 3. sudo fuser -v /dev/snd/pcm*
</I>><i>
</I>><i> [<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">charles at SuperSize</A> ~]$ cat /proc/asound/cards
</I>><i> 0 [CMI8768 ]: CMI8738-MC8 - C-Media CMI8768
</I>><i> C-Media CMI8768 at 0x9c00, irq 18
</I>><i>
</I>><i> [<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">charles at SuperSize</A> ~]$ getfacl /dev/snd/pcm*
</I>><i> : Removing leading '/' from absolute path names
</I>><i> # file: dev/snd/pcmC0D0c
</I>><i> # owner: root
</I>><i> # group: audio
</I>><i> user::rw-
</I>><i> group::rw-
</I>><i> other::---
</I>><i>
</I>><i> # file: dev/snd/pcmC0D0p
</I>><i> # owner: root
</I>><i> # group: audio
</I>><i> user::rw-
</I>><i> group::rw-
</I>><i> other::---
</I>><i>
</I>><i> # file: dev/snd/pcmC0D1p
</I>><i> # owner: root
</I>><i> # group: audio
</I>><i> user::rw-
</I>><i> group::rw-
</I>><i> other::---
</I>><i>
</I>><i> # file: dev/snd/pcmC0D2c
</I>><i> # owner: root
</I>><i> # group: audio
</I>><i> user::rw-
</I>><i> group::rw-
</I>><i> other::---
</I>><i>
</I>><i> # file: dev/snd/pcmC0D2p
</I>><i> # owner: root
</I>><i> # group: audio
</I>><i> user::rw-
</I>><i> group::rw-
</I>><i> other::---
</I>><i>
</I>><i> I do not use sudo so there is no output for the 3rd query but from #2
</I>><i> it would appear that it is indeed a permission issue as user charles
</I>><i> is not listed as having access.
</I>><i>
</I>><i> I've worked around the issue (a band-aid only) by adding user charles to
</I>><i> the audio group and again have working sound.
</I>
Yeah this is a solution but it only fixes audio and this problem affects
way more than just audio... it's just that audio tends to be the first
thing people notice :)
So some follow-up questions for you:
1) Is this a clean install?
2) Did you upgrade from mga1?
3) Are you using systemd?
4) What is the output from "systemd-loginctl"
5) Do you have a /etc/pam.d/system-auth.rpmnew?
6) Have you properly fixed up system-auth.rpmnew to include the missing
stuff?
Cheers
Col
--
Colin Guthrie
colin(at)mageia.org
<A HREF="http://colin.guthr.ie/">http://colin.guthr.ie/</A>
Day Job:
Tribalogic Limited <A HREF="http://www.tribalogic.net/">http://www.tribalogic.net/</A>
Open Source:
Mageia Contributor <A HREF="http://www.mageia.org/">http://www.mageia.org/</A>
PulseAudio Hacker <A HREF="http://www.pulseaudio.org/">http://www.pulseaudio.org/</A>
Trac Hacker <A HREF="http://trac.edgewall.org/">http://trac.edgewall.org/</A>
</PRE>
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