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blursmurf
n00b
Joined: 06 Jan 2003
Posts: 45
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 Posted: Wed Sep 09, 2015 8:00 am Post subject: No sound in earphone after reboot |
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Hi guys,
Recently just installed Gentoo on a Lenovo T440p I have and have been facing a few weird issue, this being one of them.
After setting up pulseaudio and ALSA and verifying it worked on both my earphones and internal speakers, I've proceed to reboot the system.
After the system came up, there was still sound coming out from the internal speakers.
Plugged in my earphones and surprise surprise, there was totally no sound.
Opened up pavucontrol and I can see the volume in the playback tab.
Checked alsamixer and earphones were not muted.
Unplugged the earphones and the sound continues on the speaker.
No amount of reboots managed to fix the problem.
While searching for a solution, I've chanced upon this thread. https://bbs.archlinux.org/viewtopic.php?id=200090
Tried suspending my laptop and resuming it and voila, it worked. There is sound.
To be honest this feels more like a workaround as I will lose my audio every now and then, after which a suspend is needed to get back the sound.
What could the problem be and anyone else having the same problem?
edit:: currently on ~amd64, gentoo-sources-4.2.0-r1
Regards,
blursmurf |
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hololeap
n00b
Joined: 05 Oct 2013
Posts: 30
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| Posted: Wed Sep 09, 2015 11:28 pm Post subject: |
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Could you paste the results of
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blursmurf
n00b
Joined: 06 Jan 2003
Posts: 45
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| Posted: Thu Sep 10, 2015 4:11 am Post subject: |
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Oops...
As requested 
| Code: | 00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 04)
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Some information from dmesg.
| Code: | [ 0.799566] snd_hda_intel 0000:00:03.0: bound 0000:00:02.0 (ops 0xffffffff81d620c0)
[ 0.799696] usbcore: registered new interface driver snd-usb-audio
...
[ 0.807776] sound hdaudioC1D0: autoconfig for ALC3232: line_outs=1 (0x16/0x0/0x0/0x0/0x0) type:line
[ 0.807777] sound hdaudioC1D0: speaker_outs=1 (0x14/0x0/0x0/0x0/0x0)
[ 0.807778] sound hdaudioC1D0: hp_outs=1 (0x15/0x0/0x0/0x0/0x0)
[ 0.807779] sound hdaudioC1D0: mono: mono_out=0x0
[ 0.807779] sound hdaudioC1D0: inputs:
[ 0.807780] sound hdaudioC1D0: Dock Mic=0x19
[ 0.807781] sound hdaudioC1D0: Mic=0x1a
[ 0.807782] sound hdaudioC1D0: Internal Mic=0x12
...
[ 1.698995] ALSA device list:
[ 1.698996] #0: HDA Intel HDMI at 0xf1630000 irq 31
[ 1.698996] #1: HDA Intel PCH at 0xf1634000 irq 32
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Regards,
blursmurf |
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Muso
Veteran
Joined: 22 Oct 2002
Posts: 1052
Location: The Holy city of Honolulu
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| Posted: Thu Sep 10, 2015 4:33 am Post subject: |
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wild stab in the dark, run alsamixer, and press M on the headphones section... then bring up the levels with the up arrow key
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blursmurf
n00b
Joined: 06 Jan 2003
Posts: 45
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| Posted: Thu Sep 10, 2015 9:11 am Post subject: |
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Hi Muso,
Like what i've mentioned in my original post, the headphones are not muted.
pavucontrol shows that there is indeed activity in the headphones sink but there is no sound from it.
It works without any changes to the volume control after I do a sudo s2ram and resuming it again.
Regards,
blursmurf |
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dimko
Apprentice
Joined: 12 Feb 2006
Posts: 196
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| Posted: Sat Oct 10, 2015 9:39 pm Post subject: expirience says |
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that pulseaudio can not be trusted.
1. kill pulseaudio process. Ideally uninstall the little b****.
2. Check if alsmixer has some hidden switch somewhere, where it may enable/disable earphones or switches between two.
3. run "speaker-test -c 2" with speakers and with earplugs.
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