Specifically can you test the 4.10-rc4 kernel:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0-rc4-vivid/
** Changed in: linux (Ubuntu)
Importance: Critical => High
** Also affects: linux (Ubuntu Utopic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Utopic)
Status: New => Incomplete
** Changed in: linux (Ubuntu Utopic)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1431722
Title:
Shutdown hangs at ubuntu splash screen on Lenovo Yoga 13
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Utopic:
Incomplete
Bug description:
When shutting down (either through GUI or sudo halt) ubuntu starts the
shutwown process, but hangs at the splash screen.
After some minutes I simply hold the power button to power down.
The device is a dual booted Lenovo yoga 13.
System info
14.10
Expexted behavior
Device poweroff at shutdown
Device poweroff and back on when reboot
Behavior
Hang at ubuntu splash screen indefinitely
---
ApportVersion: 2.14.7-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mentor 2205 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.10
HibernationDevice: RESUME=UUID=491ae5d3-5761-4951-9a34-bb320ccfae55
InstallationDate: Installed on 2015-02-26 (16 days ago)
InstallationMedia: It
MachineType: LENOVO 2191
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-31-generic
root=UUID=e5e9c0eb-1803-45a3-81f9-bd7ce6430e58 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.16.0-31.43-generic 3.16.7-ckt5
RelatedPackageVersions:
linux-restricted-modules-3.16.0-31-generic N/A
linux-backports-modules-3.16.0-31-generic N/A
linux-firmware 1.138.1
StagingDrivers: r8723au
Tags: utopic staging
Uname: Linux 3.16.0-31-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 02/28/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: 66CN55WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: INVALID
dmi.board.vendor: LENOVO
dmi.board.version: 31900003WIN8 STD MLT
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo IdeaPad Yoga 13
dmi.modalias:
dmi:bvnLENOVO:bvr66CN55WW:bd02/28/2013:svnLENOVO:pn2191:pvrLenovoIdeaPadYoga13:rvnLENOVO:rnINVALID:rvr31900003WIN8STDMLT:cvnLENOVO:ct10:cvrLenovoIdeaPadYoga13:
dmi.product.name: 2191
dmi.product.version: Lenovo IdeaPad Yoga 13
dmi.sys.vendor: LENOVO
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