I can make a 3.19.0-15 for you. But you better report a bug of that
kernel, so it does not get into main.
But I do not see what could cause that. There is only one commit
between 15 and 16.

2015-05-02 21:52 GMT+03:00 Raphaël Jakse <email address hidden>:
> I indeed have troubles with 3.19.0-16 downloaded here :
> http://www.ubuntuupdates.org/package/core/vivid/main/proposed/linux-
> image-3.19.0-16-generic
>
> The Xorg server fails to start with it. However, the system boots
> normally. I'm going to retry your kernel just to be sure.
>
> Sure this is strange anyway.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1397885
>
> Title:
>   [Atheros AR9462] Bluetooth looks activated but cannot be used
>
> Status in bluez package in Ubuntu:
>   Confirmed
>
> Bug description:
>   Ubuntu 14.10
>
>   System Information
>         Manufacturer: Acer
>         Product Name: Aspire VN7-591G
>         Version: V1.08
>         SKU Number: Aspire VN7-591G_091B_1.08
>         Family: Sharkbay System
>
>   lspci
>   07:00.0 Network controller: Qualcomm Atheros AR9462 Wireless Network Adapter (rev 01)
>
>
>   lsusb -v
>   Bus 003 Device 006: ID 04ca:300d Lite-On Technology Corp.
>
>
>   Steps to reproduce:
>   1. Activate a Bluetooth device (for instance a mouse or a nearby device)
>   2. On the laptop, press the Bluetooth icon, then "Set Up new Device…"
>
>   Expected result:
>   2. A list of available bluetooth devices is shown
>
>   Actual result:
>   2. Nothing shows up and the spinning icon keeps spinning with "Searching for devices..."
>
>   It looks like the bluetooth device does not work at all.
>
>   Apparently, there have been previous bugs reported and corrected [1],
>   but the situation still occurs with this module on my laptop...
>
>   [1] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1024884
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 14.10
>   Package: bluez 4.101-0ubuntu20
>   ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
>   Uname: Linux 3.16.0-25-generic x86_64
>   ApportVersion: 2.14.7-0ubuntu8
>   Architecture: amd64
>   CurrentDesktop: Unity
>   Date: Mon Dec  1 16:35:17 2014
>   EcryptfsInUse: Yes
>   InstallationDate: Installed on 2014-11-15 (15 days ago)
>   InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
>   InterestingModules: bnep rfcomm btusb bluetooth
>   MachineType: Acer Aspire VN7-591G
>   ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-25-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
>   SourcePackage: bluez
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 09/12/2014
>   dmi.bios.vendor: Insyde Corp.
>   dmi.bios.version: V1.08
>   dmi.board.asset.tag: No Asset Tag
>   dmi.board.name: Aspire VN7-591G
>   dmi.board.vendor: Acer
>   dmi.board.version: V1.08
>   dmi.chassis.asset.tag: No Asset Tag
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: Chassis Manufacturer
>   dmi.chassis.version: V1.08
>   dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.08:bd09/12/2014:svnAcer:pnAspireVN7-591G:pvrV1.08:rvnAcer:rnAspireVN7-591G:rvrV1.08:cvnChassisManufacturer:ct10:cvrV1.08:
>   dmi.product.name: Aspire VN7-591G
>   dmi.product.version: V1.08
>   dmi.sys.vendor: Acer
>   hciconfig:
>    hci0:        Type: BR/EDR  Bus: USB
>         BD Address: 5C:93:A2:EB:FF:43  ACL MTU: 1022:8  SCO MTU: 183:5
>         UP RUNNING PSCAN ISCAN
>         RX bytes:2751 acl:0 sco:0 events:351 errors:0
>         TX bytes:3779 acl:0 sco:0 commands:306 errors:0
>   syslog:
>    Dec  1 16:21:16 Miles bluetoothd[631]: Discovery session 0x7fa5da51da30 with :1.228 activated
>    Dec  1 16:27:43 Miles bluetoothd[631]: Discovery session 0x7fa5da530a50 with :1.230 activated
>
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