Paul, regarding only the iMac 14,2 could you please test the latest
mainline kernel via http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.17-rc2-utopic/ and advise to the results?
** Description changed:
- No sound from internal speakers but OK from plugged in headphones. Running
Xubuntu 14.04
I just installed the kernel that you linked and the issue still exists
in that kernel. I also installed the latest v3.17 kernel [0]. The
issue exists in that kernel as well. However, something appears to have
changed in these latest kernel builds. If I go to system
preferences--sound--test
tag: 'kernel-bug-exists-upstream'
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Title:
Built in speakers do not work on iMac 14,2 and iMac 14,4
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tags: 'kernel-bug-exists-upstream'
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Title:
Built in speakers do not work on iMac 14,2 and iMac 14,4
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** Tags added: kernel-bug-exists-upstream
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Title:
Built in speakers do not work on iMac 14,2 and iMac 14,4
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apport information
** Tags added: apport-collected trusty
** Description changed:
No sound from internal speakers but OK from plugged in headphones. Running
Xubuntu 14.04 on partitioned iMac 14,4 which has Intel HD Audio (S/PDIF
DigitalAudio output). Headphones appear to be using analogue
There are 2 internal speakers according to the system report in OSX.
Headphones work fine if I put a file with options snd-hda-intel
model=imac27_122 in /etc/modprobe.dIt is the built in speakers that
don't work. Headphone detection works. If I open alsamixer and plug in
the headphones it
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.16 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
** Summary changed:
- Built in speakers do now work on iMac 14,2 and iMac 14,4
+ Built in speakers do not work on iMac 14,2 and iMac 14,4
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Title:
Don't know if this is helpful or not, but I found this in my syslog:
Aug 12 15:37:59 iMac14-1GWSpare kernel: [ 11.496428] snd_hda_codec: module
has bad taint, not creating trace events
Aug 12 15:37:59 iMac14-1GWSpare kernel: [ 11.516999] snd_hda_controller:
module has bad taint, not
** Also affects: linux-meta (Ubuntu)
Importance: Undecided
Status: New
** Tags added: kernel-sound
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Title:
Built in speakers do not
** Package changed: linux-meta (Ubuntu) = linux (Ubuntu)
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Title:
Built in speakers do not work on iMac 14,2 and iMac 14,4
To manage
Node 0x0b [Pin Complex] wcaps 0x410101: Stereo
Control: name=Speaker Phantom Jack, index=0, device=0
Pincap 0x0050: OUT Balanced
Pin Default 0x90100112: [Fixed] Speaker at Int N/A
Conn = Unknown, Color = Unknown
DefAssociation = 0x1, Sequence = 0x2
Misc = NO_PRESENCE
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