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[Friedemann Schorer <1445488@xxxxxxxxxxxxxxxxxx>]

Nope - trying 3.16.0-34-generic at this moment, none of the bugs I reported 
today vanished by changing kernel. Still audio hardware not supported, neither 
USB/Bluetooth mouse nor external USB HDD recognized.


Am Freitag, 17. April 2015, 17:42:54 schrieben Sie:
> Does this bug go away if you boot back into one of the 14.04 or 14.10
> kernels on the Vivid install?
> 
> ** Changed in: linux (Ubuntu)
>    Importance: Undecided => Medium

-- 
I respect your position, Professor. I just don't share it.

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https://bugs.launchpad.net/bugs/1445488

Title:
  audio hardware not recognized

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I updated my laptop from Kubuntu 14.04 to 14.10 and on to 15.04
  yesterday, got quite soem troubles now, most of which are hardware
  related. This bugreport mentions the problem that my builtin audio
  isn't recognized at all.

  Here's the relevant output of 'lspci -vv':

  00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
          Subsystem: Lenovo Device 21da
          Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
          Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
          Latency: 0, Cache Line Size: 64 bytes
          Interrupt: pin A routed to IRQ 7
          Region 0: Memory at f2520000 (64-bit, non-prefetchable) [size=16K]
          Capabilities: [50] Power Management version 2
                  Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
                  Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
          Capabilities: [60] MSI: Enable- Count=1/1 Maskable- 64bit+
                  Address: 0000000000000000  Data: 0000
          Capabilities: [70] Express (v1) Root Complex Integrated Endpoint, MSI 00
                  DevCap: MaxPayload 128 bytes, PhantFunc 0
                          ExtTag- RBE-
                  DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
                          RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+
                          MaxPayload 128 bytes, MaxReadReq 128 bytes
                  DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend-
          Capabilities: [100 v1] Virtual Channel
                  Caps:   LPEVC=0 RefClk=100ns PATEntryBits=1
                  Arb:    Fixed- WRR32- WRR64- WRR128-
                  Ctrl:   ArbSelect=Fixed
                  Status: InProgress-
                  VC0:    Caps:   PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
                          Arb:    Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
                          Ctrl:   Enable+ ID=0 ArbSelect=Fixed TC/VC=01
                          Status: NegoPending- InProgress-
                  VC1:    Caps:   PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
                          Arb:    Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
                          Ctrl:   Enable+ ID=1 ArbSelect=Fixed TC/VC=22
                          Status: NegoPending- InProgress-
          Capabilities: [130 v1] Root Complex Link
                  Desc:   PortNumber=0f ComponentID=00 EltType=Config
                  Link0:  Desc:   TargetPort=00 TargetComponent=00 AssocRCRB- LinkType=MemMapped LinkValid+
                          Addr:   00000000fed1c000

  In systemsettings -> Multimedia the only active entry for all types of
  media categories is the dummy device. Neither sound card nor auio
  configuration are listed under 'configure audio hardware'

  Please let me know if I can be of further help to track this issue
  down, I'll be glad to help out with additional information.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: systemd 219-7ubuntu2
  ProcVersionSignature: Ubuntu 3.19.0-14.14-generic 3.19.3
  Uname: Linux 3.19.0-14-generic x86_64
  ApportVersion: 2.17.1-0ubuntu2
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Apr 17 15:06:20 2015
  InstallationDate: Installed on 2014-09-09 (219 days ago)
  InstallationMedia: Kubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  MachineType: LENOVO 4291S7Z
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.19.0-14-generic root=UUID=8c3ff90d-58e2-4696-9e3a-eddf92c84a41 ro rootflags=subvol=@ quiet splash vt.handoff=7
  SourcePackage: systemd
  UpgradeStatus: Upgraded to vivid on 2015-04-17 (0 days ago)
  dmi.bios.date: 12/01/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8DET56WW (1.26 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4291S7Z
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: 4291S7ZR9M0ZD3
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr8DET56WW(1.26):bd12/01/2011:svnLENOVO:pn4291S7Z:pvrThinkPadX220:rvnLENOVO:rn4291S7Z:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4291S7Z
  dmi.product.version: ThinkPad X220
  dmi.sys.vendor: LENOVO

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