group.of.nepali.translators team mailing list archive

[Launchpad Bug Tracker <1647826@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux-firmware - 1.165

---------------
linux-firmware (1.165) artful; urgency=medium

  * Rebase against git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
    ade8332383e228cbdcfc605b5e5ef3aa51211401
    - linux-firmware: liquidio: update firmware to v1.4.2
    - iwlwifi: update -17 firmware for 3260, 7260 and 7265
    - iwlwifi: update -22 firmware for 7265D and up
    - iwlwifi: add -27 firmware for 3168, 7265D, 8000C and 8265
    - linux-firmware/i915: Add HuC 1.07.1398 for SKL
    - linux-firmware/i915: Add HuC 1.07.1398 for broxton
    - linux-firmware/i915: HuC on 2.0.1810 for Kabylake
    - linux-firmware/i915: GuC firmware for Broxton v8.7
    - linux-firmware/i915: GuC firmware for Kabylake v9.14
    - radeon/amdgpu: update license copyright dates
    - radeon: add new firmware for SI chips
    - rtlwifi: rtl8723bs: Add firmware for new driver
    - qla2xxx: Update firmware version to 8.06.00
    - amdgpu: add firmware for polaris12 asics
    - amdgpu: update VI gfx/sdma firmware
    - amdgpu: update VI smc/mc firmware
    - update WHENCE for new amdgpu/polaris12_*.bin firmware
    - linux-firmware: add firmware for mt76x2
    - linux-firmware: update Marvell SD8897-B0 firmware image
    - linux-firmware: update Marvell PCIe-USB8997 firmware image
    - amdgpu: add smc firmware for new polaris variants
    - Revert "amdgpu: update VI smc/mc firmware"
    - Revert "amdgpu: update VI gfx/sdma firmware"
    - linux-firmware/i915: Fix Corrupted GuC files.
    - cxgb4: update firmware to revision 1.16.33.0
    - nvidia: add GM20B PMU firmware
    - nvidia: add GP102/GP104/GP106/GP107 signed firmware
    - linux-firmware: intel: Add Geminilake audio firmware
    - linux-firmware: Update firmware patch for Intel Bluetooth, 7265
    - linux-firmware: Update firmware patch for Intel Bluetooth,8260
    - linux-firmware: Update firmware file for Intel Bluetooth,8265
    - brcm: update firmware for BCM43340/1 SDIO devices
    - ath10k: QCA6174 hw3.0: update board-2.bin
    - qed: Add firmware 8.15.3.0
    - linux-firmware: update Marvell PCIe-USB8997 wifi-only firmware image
    - linux-firmware: intel: Update Broxton audio firmware
    - nfp: Add firmware 0.6.1
    - mediatek: update MT8173 VPU firmware for unsupported VP9 profiles
    - nvidia: add GP10B signed firmware
    - nvidia: fix GP107 signed firmware
    - linux-firmware: liquidio: update firmware to v1.5.1
    - linux-firmware: update Marvell SD8887 firmware image
    - linux-firmware: update Marvell SD8897-B0 firmware image
    - rtl_bt: Update firmware for BT part of rtl8822be

  * intel 8260 doesn't work with linux kernel 4.8+ when using ucode version 22
    (LP: #1647826)
    - UBUNTU: SAUCE: Remove iwlwifi-8000C-22.ucode

 -- Seth Forshee <seth.forshee@xxxxxxxxxxxxx>  Fri, 05 May 2017 08:43:13
-0500

** Changed in: linux-firmware (Ubuntu Artful)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1647826

Title:
  intel 8260 doesn't work with linux kernel 4.8+ when using ucode
  version 22

Status in linux-firmware package in Ubuntu:
  Fix Released
Status in linux-firmware source package in Xenial:
  Fix Committed
Status in linux-firmware source package in Yakkety:
  Fix Released
Status in linux-firmware source package in Zesty:
  Fix Committed
Status in linux-firmware source package in Artful:
  Fix Released

Bug description:
  SRU Justification

  Impact: The -22 firmware for iwlwifi introduces regressions with some
  hardware versus earlier firmware versions. As no newer firmware is
  available, the only fix is to revert back to the older firmware which
  does work.

  Test Case: Using the -22 firmware with affected hardware produces the
  behavior described below. The -21 firmware does not.

  Regression Potential: Switching back to -21 could cause some
  regressions with other hardware supported by this firmware. However as
  -22 causes some hardware to completely fail to work any regressions
  are almost certain to be less severe than the current problems.

  ---

  The -22 microcode for the intel 8260 wifi adapter has compatibility
  issues with Linux Kernel 4.8 under certain hardware configurations.

  The iwlwifi module crashes resulting in wifi failing with "device not
  ready" and kernel errors reported in dmesg.

  [   10.691115] iwlwifi 0000:6e:00.0: Microcode SW error detected.
  Restarting 0x2000000.

  Renaming the ucode file at /lib/firmware/iwlwifi-8000C-22.ucode to
  fallback to the -21 ucode resolves the issue and wifi begins working
  normally again.

  This is an issue with Linux kernel 4.8 on both yakkety and xenial, so
  the bug doesn't currently affect users on xenial, but will begin to
  after the 16.04.2 HWE release.  Kernel 4.4 is unaffected because it
  doesn't attempt to use the -22 ucode

  The failure doesn't necessarily affect all machines of a given model
  with the 8260, but I can reproduce it on multiple laptops when 64GB of
  RAM are installed (4x16GB).  The RAM itself does not appear to be an
  issue.

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