*** This bug is a duplicate of bug 1457369 ***
https://bugs.launchpad.net/bugs/1457369
** This bug has been marked a duplicate of bug 1457369
kernel 3.19.0-18 breaks HDMI audio for snd_hda_intel
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https://bugs.launchpad.net/bugs/1453447
Title:
[Vivid] kernel 3.19.0-17 fails to show HDMI sound output
Status in linux package in Ubuntu:
Incomplete
Bug description:
I plug in HDMI through a mini DP adapter. Thus I should see internal
speakers and HDMI outputs in Gnome control center but I can only see
internal speakers. It's clearly a kernel issue since switching back to
3.19.0-16 solves this bug. I did no kernel tweaks. TLP is installed
though.
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ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ft 1770 F.... pulseaudio
CurrentDesktop: GNOME
DistroRelease: Ubuntu 15.04
HibernationDevice: RESUME=UUID=54b265b9-4433-42d4-8d0f-fac028ee7030
InstallationDate: Installed on 2014-03-05 (430 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20140226)
Lsusb:
Bus 003 Device 002: ID 8087:8000 Intel Corp.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 20AQCTO1WW
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-17-generic.efi.signed
root=UUID=b1cbc034-b66f-4f6c-9d61-507b8cb23ffe ro quiet
ProcVersionSignature: Ubuntu 3.19.0-17.17-generic 3.19.6
RelatedPackageVersions:
linux-restricted-modules-3.19.0-17-generic N/A
linux-backports-modules-3.19.0-17-generic N/A
linux-firmware 1.143
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Tags: vivid
Uname: Linux 3.19.0-17-generic x86_64
UpgradeStatus: Upgraded to vivid on 2015-01-07 (121 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 03/09/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: GJET83WW (2.33 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20AQCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: 0B98405 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrGJET83WW(2.33):bd03/09/2015:svnLENOVO:pn20AQCTO1WW:pvrThinkPadT440s:rvnLENOVO:rn20AQCTO1WW:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20AQCTO1WW
dmi.product.version: ThinkPad T440s
dmi.sys.vendor: LENOVO
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