Public bug reported:
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.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "ubuntu-bug dump from affected laptop"
https://bugs.launchpad.net/bugs/1649727/+attachment/4791358/+files/bug.tar.gz
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https://bugs.launchpad.net/bugs/1649727
Title:
No sound card detected with device: Intel Corporation Device 9d71
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