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[Bug 1416940] Re: [HP Pavilion dv6] Brightness control only work on the last two steps on 12.04.5

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1416940@xxxxxxxxxxxxxxxxxx>
Date: Wed, 08 Apr 2015 16:17:50 -0000
Reply-to: Bug 1416940 <1416940@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
This bug was fixed in the package linux-lts-trusty -
3.13.0-49.81~precise1

---------------
linux-lts-trusty (3.13.0-49.81~precise1) precise; urgency=low

  [ Kamal Mostafa ]

  * Release Tracking Bug
    - LP: #1436132

  [ Alex Hung ]

  * SAUCE: ACPI / blacklist: blacklist Win8 OSI for HP Pavilion dv6
    - LP: #1416940

  [ Andy Whitcroft ]

  * [Packaging] generate live watchdog blacklists
    - LP: #1432837

  [ Ben Widawsky ]

  * SAUCE: i915_bdw: drm/i915/bdw: enable eDRAM.
    - LP: #1430855

  [ Chris J Arges ]

  * [Config] Add ibmvfc to d-i
    - LP: #1416001

  [ Seth Forshee ]

  * [Config] updateconfigs - enable X86_UP_APIC_MSI

  [ Upstream Kernel Changes ]

  * net: add sysfs helpers for netdev_adjacent logic
    - LP: #1410852
  * net: Mark functions as static in core/dev.c
    - LP: #1410852
  * net: rename sysfs symlinks on device name change
    - LP: #1410852
  * btrfs: fix null pointer dereference in clone_fs_devices when name is
    null
    - LP: #1429804
  * cdc-acm: add sanity checks
    - LP: #1413992
  * x86: thinkpad_acpi.c: fixed spacing coding style issue
    - LP: #1417915
  * thinkpad_acpi: support new BIOS version string pattern
    - LP: #1417915
  * net: sctp: fix slab corruption from use after free on INIT collisions
    - LP: #1416506
    - CVE-2015-1421
  * ipv4: try to cache dst_entries which would cause a redirect
    - LP: #1420027
    - CVE-2015-1465
  * x86, mm/ASLR: Fix stack randomization on 64-bit systems
    - LP: #1423757
    - CVE-2015-1593
  * net: llc: use correct size for sysctl timeout entries
    - LP: #1425271
    - CVE-2015-2041
  * net: rds: use correct size for max unacked packets and bytes
    - LP: #1425274
    - CVE-2015-2042
  * Btrfs: clear compress-force when remounting with compress option
    - LP: #1434183
  * ext4: merge uninitialized extents
    - LP: #1430184
  * btrfs: filter invalid arg for btrfs resize
    - LP: #1435441
  * Bluetooth: Add firmware update for Atheros 0cf3:311f
  * Bluetooth: btusb: Add IMC Networks (Broadcom based)
  * Bluetooth: sort the list of IDs in the source code
  * Bluetooth: append new supported device to the list [0b05:17d0]
  * Bluetooth: Add support for Intel bootloader devices
  * Bluetooth: Ignore isochronous endpoints for Intel USB bootloader
  * Bluetooth: Add support for Acer [13D3:3432]
  * Bluetooth: Add support for Broadcom device of Asus Z97-DELUXE
    motherboard
  * Add a new PID/VID 0227/0930 for AR3012.
  * Bluetooth: Add support for Acer [0489:e078]
  * Bluetooth: Add USB device 04ca:3010 as Atheros AR3012
  * x86: mm: move mmap_sem unlock from mm_fault_error() to caller
  * vm: add VM_FAULT_SIGSEGV handling support
  * vm: make stack guard page errors return VM_FAULT_SIGSEGV rather than
    SIGBUS
  * spi/pxa2xx: Clear cur_chip pointer before starting next message
  * spi: dw: Fix detecting FIFO depth
  * spi: dw-mid: fix FIFO size
  * ASoC: wm8960: Fix capture sample rate from 11250 to 11025
  * regulator: core: fix race condition in regulator_put()
  * ASoC: omap-mcbsp: Correct CBM_CFS dai format configuration
  * can: c_can: end pending transmission on network stop (ifdown)
  * nfs: fix dio deadlock when O_DIRECT flag is flipped
  * NFSv4.1: Fix an Oops in nfs41_walk_client_list
  * Input: i8042 - add noloop quirk for Medion Akoya E7225 (MD98857)
  * mac80211: properly set CCK flag in radiotap
  * nl80211: fix per-station group key get/del and memory leak
  * i2c: s3c2410: fix ABBA deadlock by keeping clock prepared
  * usb-storage/SCSI: blacklist FUA on JMicron 152d:2566 USB-SATA
    controller
  * drm/i915: Only fence tiled region of object.
  * drm/i915: Fix and clean BDW PCH identification
  * drm/i915: BDW Fix Halo PCI IDs marked as ULT.
  * ALSA: seq-dummy: remove deadlock-causing events on close
  * drivers/rtc/rtc-s5m.c: terminate s5m_rtc_id array with empty element
  * drivers: net: cpsw: discard dual emac default vlan configuration
  * can: kvaser_usb: Do not sleep in atomic context
  * can: kvaser_usb: Send correct context to URB completion
  * can: kvaser_usb: Retry the first bulk transfer on -ETIMEDOUT
  * can: kvaser_usb: Fix state handling upon BUS_ERROR events
  * quota: Switch ->get_dqblk() and ->set_dqblk() to use bytes as space
    units
  * rbd: fix rbd_dev_parent_get() when parent_overlap == 0
  * rbd: drop parent_ref in rbd_dev_unprobe() unconditionally
  * dm cache: fix missing ERR_PTR returns and handling
  * dm thin: don't allow messages to be sent to a pool target in READ_ONLY
    or FAIL mode
  * net: cls_bpf: fix size mismatch on filter preparation
  * net: cls_bpf: fix auto generation of per list handles
  * ipv6: replacing a rt6_info needs to purge possible propagated rt6_infos
    too
  * perf: Tighten (and fix) the grouping condition
  * arc: mm: Fix build failure
  * MIPS: IRQ: Fix disable_irq on CPU IRQs
  * Complete oplock break jobs before closing file handle
  * smpboot: Add missing get_online_cpus() in
    smpboot_register_percpu_thread()
  * ASoC: atmel_ssc_dai: fix start event for I2S mode
  * spi: fsl-dspi: Fix memory leak
  * spi: spi-fsl-dspi: Remove usage of devm_kzalloc
  * ALSA: ak411x: Fix stall in work callback
  * lib/checksum.c: fix carry in csum_tcpudp_nofold
  * MIPS: Fix kernel lockup or crash after CPU offline/online
  * gpio: sysfs: fix memory leak in gpiod_export_link
  * gpio: sysfs: fix memory leak in gpiod_sysfs_set_active_low
  * PCI: Add NEC variants to Stratus ftServer PCIe DMI check
  * ASoC: sgtl5000: add delay before first I2C access
  * PCI: Handle read-only BARs on AMD CS553x devices
  * mm: pagewalk: call pte_hole() for VM_PFNMAP during walk_page_range
  * nilfs2: fix deadlock of segment constructor over I_SYNC flag
  * tcp: ipv4: initialize unicast_sock sk_pacing_rate
  * caif: remove wrong dev_net_set() call
  * qlge: Fix qlge_update_hw_vlan_features to handle if interface is down
  * ip6_gre: fix endianness errors in ip6gre_err
  * spi: dw: revisit FIFO size detection again
  * Linux 3.13.11-ckt17
 -- Kamal Mostafa <kamal@xxxxxxxxxxxxx>   Wed, 25 Mar 2015 09:05:40 -0700

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

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-1421

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-1465

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-1593

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-2041

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-2042

-- 
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https://bugs.launchpad.net/bugs/1416940

Title:
  [HP Pavilion dv6] Brightness control only work on the last two steps
  on 12.04.5

Status in HWE Next Project:
  Fix Committed
Status in linux-lts-trusty package in Ubuntu:
  Fix Released

Bug description:
  CID: 201209-11641  HP Pavilion dv6 Notebook PC

  Brightness control does not work on this system.
  The brightness level indicator would change with hotkey events, but the brightness itself would only change with the last two steps.

  Debugging information:
  ubuntu@201209-11641:~$ ls /sys/class/backlight
  acpi_video0  acpi_video1  intel_backlight

  ubuntu@201209-11641:~$ grep -r . /proc/acpi
  /proc/acpi/bbswitch:0000:01:00.0 ON
  /proc/acpi/battery/BAT0/alarm:alarm:                   unsupported
  /proc/acpi/battery/BAT0/state:present:                 yes
  /proc/acpi/battery/BAT0/state:capacity state:          ok
  /proc/acpi/battery/BAT0/state:charging state:          charged
  /proc/acpi/battery/BAT0/state:present rate:            0 mA
  /proc/acpi/battery/BAT0/state:remaining capacity:      4878 mAh
  /proc/acpi/battery/BAT0/state:present voltage:         12642 mV
  /proc/acpi/battery/BAT0/info:present:                 yes
  /proc/acpi/battery/BAT0/info:design capacity:         4878 mAh
  /proc/acpi/battery/BAT0/info:last full capacity:      4878 mAh
  /proc/acpi/battery/BAT0/info:battery technology:      rechargeable
  /proc/acpi/battery/BAT0/info:design voltage:          11100 mV
  /proc/acpi/battery/BAT0/info:design capacity warning: 672 mAh
  /proc/acpi/battery/BAT0/info:design capacity low:     456 mAh
  /proc/acpi/battery/BAT0/info:cycle count:		  0
  /proc/acpi/battery/BAT0/info:capacity granularity 1:  216 mAh
  /proc/acpi/battery/BAT0/info:capacity granularity 2:  4206 mAh
  /proc/acpi/battery/BAT0/info:model number:            MO06062
  /proc/acpi/battery/BAT0/info:serial number:             133
  /proc/acpi/battery/BAT0/info:battery type:            LION
  /proc/acpi/battery/BAT0/info:OEM info:                12-32
  /proc/acpi/button/lid/LID0/state:state:      open
  /proc/acpi/ac_adapter/ADP1/state:state:                   on-line
  /proc/acpi/wakeup:Device	S-state	  Status   Sysfs node
  /proc/acpi/wakeup:P0P1	  S4	*disabled
  /proc/acpi/wakeup:KBD0	  S3	*enabled   pnp:00:07
  /proc/acpi/wakeup:PS2M	  S3	*disabled  pnp:00:08
  /proc/acpi/wakeup:EHC1	  S3	*enabled   pci:0000:00:1d.0
  /proc/acpi/wakeup:EHC2	  S3	*enabled   pci:0000:00:1a.0
  /proc/acpi/wakeup:XHC	  S3	*enabled   pci:0000:00:14.0
  /proc/acpi/wakeup:HDEF	  S0	*disabled  pci:0000:00:1b.0
  /proc/acpi/wakeup:RP01	  S4	*disabled  pci:0000:00:1c.0
  /proc/acpi/wakeup:PXSX	  S4	*disabled
  /proc/acpi/wakeup:RP02	  S4	*disabled
  /proc/acpi/wakeup:PXSX	  S4	*disabled
  /proc/acpi/wakeup:RP03	  S4	*disabled  pci:0000:00:1c.2
  /proc/acpi/wakeup:PXSX	  S4	*disabled  pci:0000:08:00.0
  /proc/acpi/wakeup:RP04	  S4	*disabled  pci:0000:00:1c.3
  /proc/acpi/wakeup:PXSX	  S4	*disabled  pci:0000:0a:00.0
  /proc/acpi/wakeup:RP05	  S4	*disabled
  /proc/acpi/wakeup:PXSX	  S4	*disabled
  /proc/acpi/wakeup:RP06	  S5	*disabled  pci:0000:00:1c.5
  /proc/acpi/wakeup:PXSX	  S5	*enabled   pci:0000:0b:00.0
  /proc/acpi/wakeup:RP07	  S4	*disabled
  /proc/acpi/wakeup:PXSX	  S4	*disabled
  /proc/acpi/wakeup:RP08	  S4	*disabled
  /proc/acpi/wakeup:PXSX	  S4	*disabled
  /proc/acpi/wakeup:PEG0	  S4	*disabled  pci:0000:00:01.0
  /proc/acpi/wakeup:PEGP	  S4	*disabled  pci:0000:01:00.0
  /proc/acpi/wakeup:PEG1	  S4	*disabled
  /proc/acpi/wakeup:PEG2	  S4	*disabled
  /proc/acpi/wakeup:PEG3	  S4	*disabled
  /proc/acpi/wakeup:LID0	  S3	*enabled 

  ubuntu@201209-11641:~$ dmesg | grep 'ACPI: Video'
  [    8.457421] ACPI: Video Device [PEGP] (multi-head: yes  rom: yes  post: no)
  [    8.708920] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
  ubuntu@201209-11641:~$

  WORKAROUND:
  Adding acpi_osi='!Windows 2012' could make it work.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.13.0-44-generic 3.13.0-44.73~precise1
  ProcVersionSignature: Ubuntu 3.13.0-44.73~precise1-generic 3.13.11-ckt12
  Uname: Linux 3.13.0-44-generic x86_64
  NonfreeKernelModules: nvidia
  AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-44-generic.
  ApportVersion: 2.0.1-0ubuntu17.8
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: 92HD91BXX Analog [92HD91BXX Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     2121 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0x74610000 irq 47'
     Mixer name	: 'Intel PantherPoint HDMI'
     Components	: 'HDA:111d76e0,103c181b,00100102 HDA:80862806,103c1818,00100000'
     Controls      : 30
     Simple ctrls  : 12
  Date: Sun Feb  1 21:21:57 2015
  HibernationDevice: RESUME=UUID=44133aff-4b56-4bb1-bd96-812df1f33e5c
  InstallationMedia: Ubuntu 12.04.5 LTS "Precise Pangolin" - Release amd64 (20140807.1)
  MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-44-generic root=UUID=a8ad3f48-e182-468f-b168-3a16c8cc9536 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-44-generic N/A
   linux-backports-modules-3.13.0-44-generic  N/A
   linux-firmware                             1.79.18
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux-lts-trusty
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/02/2012
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.22
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 181B
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 52.24
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsyde:bvrF.22:bd11/02/2012:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr0791100200004710000620100:rvnHewlett-Packard:rn181B:rvr52.24:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP Pavilion dv6 Notebook PC
  dmi.product.version: 0791100200004710000620100
  dmi.sys.vendor: Hewlett-Packard

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References

[Bug 1416940] [NEW] [HP Pavilion dv6] Brightness control only work on the last two steps on 12.04.5
From: Po-Hsu Lin, 2015-02-02