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[Launchpad Bug Tracker <1473560@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 4.1.0-1.1

---------------
linux (4.1.0-1.1) wily; urgency=low

  [ Andy Whitcroft ]

  * SAUCE: overlay: add backwards compatible overlayfs format support V3
    - LP: #1395877, #1410480
  * SAUCE: overlayfs: when copying up and reading directories ensure
    mounter had permissions V2
    - CVE-2015-1328
  * [Packaging] fix up Vcs-Git: to point to launchpad
  * [Config] correct linux-initramfs-tool virtual linkage
    - LP: #1474810

  [ Chris J Arges ]

  * [Config] Add dm-service-time to multipath-modules
    - LP: #1469240
  * [Config] Add MTD_POWERNV_FLASH and OPAL_PRD
    - LP: #1464560

  [ Jay Vosburgh ]

  * SAUCE: fan: Proof of concept implementation (v2)
    - LP: #1439706
  * SAUCE: fan: tunnel multiple mapping mode (v3)
    - LP: #1470091

  [ Leann Ogasawara ]

  * Revert "SAUCE: ext4: disable ext4_punch_hole for indirect filesystems"
  * Revert "SAUCE: intel_pstate: inform user that thermald is worth
    considering"
  * Revert "SAUCE: Work around broken ACPI backlight on Dell Inspiron 5537"
  * Revert "SAUCE: dm-crypt: never use write same"
  * Release Tracking Bug
    - LP: #1476333

  [ Tim Gardner ]

  * Rebase to v4.1
    - LP: #1443371
  * [Config] Enable Apparmor
  * [Config] CONFIG_OVERLAY_FS_V1=y
  * [Config] DEFAULT_IOSCHED="deadline" for ppc64el
    - LP: #1469829
  * [Config] CONFIG_VM86=n
    - LP: #1473447
  * [Config] ACORN_PARTITION=n
    - LP: #1453117

  [ Timo Aaltonen ]

  * [Config] Disable CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT
    - LP: #1473319

  [ Upstream Kernel Changes ]

  * efi: efivar_create_sysfs_entry() should return negative error codes
  * efi: Add esrt support
  * x86, doc: Remove cmdline_size from list of fields to be filled in for
    EFI handover
  * efi/esrt: Fix some compiler warnings
  * efi: dmi: List SMBIOS3 table before SMBIOS table
  * efi: Add 'systab' information to Documentation/ABI
  * ALSA: hda - restore the MIC FIXUP for some Dell machines
    - LP: #1473560
  * mtd: powernv: Add powernv flash MTD abstraction driver
    - LP: #1464560
  * powerpc/powernv: Expose OPAL APIs required by PRD interface
    - LP: #1464560
  * powerpc/powernv: Add opal-prd channel
    - LP: #1464560
  * powerpc/powernv: fix construction of opal PRD messages
    - LP: #1464560
  * powerpc/include: Add opal-prd to installed uapi headers
    - LP: #1464560
  * powerpc/powernv: Fix vma page prot flags in opal-prd driver
    - LP: #1464560

 -- Leann Ogasawara <leann.ogasawara@xxxxxxxxxxxxx>  Mon, 20 Jul 2015
10:16:06 -0700

** Changed in: linux (Ubuntu)
       Status: Fix Committed => Fix Released

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-1328

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https://bugs.launchpad.net/bugs/1473560

Title:
  microphone regression on 4.1

Status in Linux:
  Unknown
Status in linux package in Ubuntu:
  Fix Released

Bug description:
  On my Dell XPS 13 9343, the microphone works fine with the vivid kernel. However, it does not work with the current 4.0 wily kernel unless I patch it with these commits:
  https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=e1e62b98ebddc3234f3259019d3236f66fc667f8
  https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=f3b703326541d0c1ce85f5e570f6d2b6bd4296ec

  For unrelated reasons, I decided to try the wily 4.1 kernel found
  here: https://launchpad.net/~canonical-kernel-
  team/+archive/ubuntu/ppa/. The microphone doesn't work even though
  Leann Ogasawara confirmed that the above two patches are included
  upstream.

  Note I am running vivid userspace, the 4.1 wily kernel from the ppa,
  bcmwl-kernel-source from wily (since there is a dkms fix) and linux-
  firmware from wily.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-4.1.0-1-generic 4.1.0-1.1~dogfoodv1 [origin: unknown]
  ProcVersionSignature: Ubuntu 4.1.0-1.1~dogfoodv1-generic 4.1.0
  Uname: Linux 4.1.0-1-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Jul 10 16:10:53 2015
  HibernationDevice: RESUME=UUID=27fa6713-c8c2-4eb8-9766-ba6918bc1cfb
  InstallationDate: Installed on 2015-06-13 (26 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Dell Inc. XPS 13 9343
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.1.0-1-generic root=UUID=7bc4dcd2-0bd8-4e42-b8b7-9f1ed6b8a3e9 ro libata.force=noncq kaslr quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.1.0-1-generic N/A
   linux-backports-modules-4.1.0-1-generic  N/A
   linux-firmware                           1.145
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/15/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A04
  dmi.board.name: 0310JH
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA04:bd05/15/2015:svnDellInc.:pnXPS139343:pvr01:rvnDellInc.:rn0310JH:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9343
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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