I tried this and still get the "Dummy Output" when booting on 4.9. Tag
added as requested.
Thanks
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1649727
Title:
No sound card detected with device: Intel Corporation Device 9d71
Status in linux package in Ubuntu:
Confirmed
Bug description:
On a new Dell Inspiron i5378-2885GRY, the sound device is not detected
by alsa, and the UI mixer shows a "Dummy" sound card. I've attached
the ubuntu-bug dump for the laptop.
I confirmed that snd- modules are loaded.
The sound card is detected by lshw and lspci. It's a Intel Corporation
Device 9d71.
Fastboot is not enabled; boot is "thorough".
The sound card *did* work on two separate occasions - i.e. was
detected successfully. On all subsequent boots it is not detected.
See also bugs 1641028 and 1649668. Googling for this device also shows
a smattering of other problems that people are having with it.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1649727/+subscriptions
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