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[Bug 1441335] Re: PCI: Don't clear ASPM bits when the FADT declares it's unsupported

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1441335@xxxxxxxxxxxxxxxxxx>
Date: Tue, 12 May 2015 19:22:23 -0000
Reply-to: Bug 1441335 <1441335@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
This bug was fixed in the package linux - 3.19.0-17.17

---------------
linux (3.19.0-17.17) vivid; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1452000

  [ Damien Lespiau ]

  * SAUCE: i915_bpo: drm/i915/skl: Fix stepping check for a couple of W/As
    - LP: #1449469
  * SAUCE: i915_bpo: drm/i915/skl: Implement WaDisableVFUnitClockGating
    - LP: #1449469
  * SAUCE: i915_bpo: drm/i915/skl: Add the INIT power domain to the MISC
    I/O power well
    - LP: #1449469
  * SAUCE: i915_bpo: drm/i915/skl: Fix the CTRL typo in the DPLL_CRTL1
    defines
    - LP: #1449469
  * SAUCE: i915_bpo: drm/i915/skl: Make the Misc I/O power well part of the
    PLLS domain
    - LP: #1449469
  * SAUCE: i915_bpo: drm/i915/skl: Deinit/init the display at
    suspend/resume
    - LP: #1449469
  * SAUCE: i915_bpo: drm/i915/skl: Change CDCLK behind PCU's back
    - LP: #1449469
  * SAUCE: i915_bpo: drm/i915/skl: gen6+ platforms support runtime PM
    - LP: #1449469

  [ Imre Deak ]

  * SAUCE: i915_bpo: drm/i915/gen9: fix PIPE_CONTROL flush for
    VS_INVALIDATE
    - LP: #1449469

  [ Leann Ogasawara ]

  * [Config] Set CONFIG_XEN_MAX_DOMAIN_MEMORY defaults

  [ Matt Roper ]

  * SAUCE: i915_bpo: drm/i915: Switch to full atomic helpers for plane
    updates/disable, take two
    - LP: #1449469

  [ Sonika Jindal ]

  * SAUCE: i915_bpo: drm/i915/skl: Allow universal planes to position
    - LP: #1449469
  * SAUCE: i915_bpo: drm/i915/skl: Support for 90/270 rotation
    - LP: #1449469
  * SAUCE: i915_bpo: drm/i915/skl: Add back HDMI translation table
    - LP: #1449469

  [ Stefan Bader ]

  * SAUCE: vesafb: Set mtrr:3 (write-combining) as default
    - LP: #1434581

  [ Timo Aaltonen ]

  * SAUCE: Call i915_bpo specific functions from the hda driver
    - LP: #1449464
  * SAUCE: i915_bpo: Use get_display_clock_speed
    - LP: #1449469
  * SAUCE: i915_bpo: Add a few register definitions
    - LP: #1449469

  [ Upstream Kernel Changes ]

  * Revert "sparc/PCI: Clip bridge windows to fit in upstream windows"
    - LP: #1446316
  * Revert "PM / hibernate: avoid unsafe pages in e820 reserved regions"
    - LP: #1446316
  * Revert "libceph: use memalloc flags for net IO"
    - LP: #1446316
  * Revert "net: Reset secmark when scrubbing packet"
    - LP: #1451996
  * ASoC: da732x: Fix control-less DAPM routes
    - LP: #1446316
  * ASoC: ak4671: Fix control-less DAPM routes
    - LP: #1446316
  * ASoC: sn95031: Fix control-less DAPM routes
    - LP: #1446316
  * ASoC: sgtl5000: remove useless register write clearing CHRGPUMP_POWERUP
    - LP: #1446316
  * ASoC: pcm1681: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: cs4271: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: es8238: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: wm8960: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: tas5086: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: wm8731: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: wm2000: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: wm8903: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: wm8904: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: ak4641: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: adav80x: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: wm8955: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: wm9712: Fix wrong value references for boolean kctl
    - LP: #1446316
  * ASoC: wm9713: Fix wrong value references for boolean kctl
    - LP: #1446316
  * virtio_balloon: set DRIVER_OK before using device
    - LP: #1446316
  * virtio-balloon: do not call blocking ops when !TASK_RUNNING
    - LP: #1446316
  * clockevents: sun5i: Fix setup_irq init sequence
    - LP: #1446316
  * regmap: regcache-rbtree: Fix present bitmap resize
    - LP: #1446316
  * regmap: introduce regmap_name to fix syscon regmap trace events
    - LP: #1446316
  * clocksource: efm32: Fix a NULL pointer dereference
    - LP: #1446316
  * tcm_fc: missing curly braces in ft_invl_hw_context()
    - LP: #1446316
  * tcm_qla2xxx: Fix incorrect use of __transport_register_session
    - LP: #1446316
  * nl80211: ignore HT/VHT capabilities without QoS/WMM
    - LP: #1446316
  * mac80211: disable u-APSD queues by default
    - LP: #1446316
  * mac80211: drop unencrypted frames in mesh fwding
    - LP: #1446316
  * mac80211: count interfaces correctly for combination checks
    - LP: #1446316
  * iwlwifi: mvm: rs: fix BT Coex check to look at the correct ant
    - LP: #1446316
  * iwlwifi: fix max_ht_ampdu_exponent for older devices
    - LP: #1446316
  * iwlwifi: mvm: BT Coex - fix a NULL pointer exception
    - LP: #1446316
  * iwlwifi: mvm: Fix ROC removal
    - LP: #1446316
  * uas: Add US_FL_NO_ATA_1X for Initio Corporation controllers / devices
    - LP: #1446316
  * usb: phy: am335x-control: check return value of bus_find_device
    - LP: #1446316
  * usb: chipidea: otg: add a_alt_hnp_support response for B device
    - LP: #1446316
  * usb: common: otg-fsm: only signal connect after switching to peripheral
    - LP: #1446316
  * phy: Find the right match in devm_phy_destroy()
    - LP: #1446316
  * rtlwifi: Improve handling of IPv6 packets
    - LP: #1446316
  * cpuidle: mvebu: Fix the CPU PM notifier usage
    - LP: #1446316
  * brcmfmac: Perform bound checking on vendor command buffer
    - LP: #1446316
  * of/irq: Fix of_irq_parse_one() returned error codes
    - LP: #1446316
  * perf: Fix irq_work 'tail' recursion
    - LP: #1446316
  * staging: vt6656: vnt_rf_setpower: fix missing rate RATE_12M
    - LP: #1446316
  * vt6655: RFbSetPower fix missing rate RATE_12M
    - LP: #1446316
  * vt6655: Fix late setting of byRFType.
    - LP: #1446316
  * dmaengine: dw: append MODULE_ALIAS for platform driver
    - LP: #1446316
  * dm: hold suspend_lock while suspending device during device deletion
    - LP: #1446316
  * dm io: deal with wandering queue limits when handling REQ_DISCARD and
    REQ_WRITE_SAME
    - LP: #1446316
  * dm thin: fix to consistently zero-fill reads to unprovisioned blocks
    - LP: #1446316
  * dm snapshot: suspend origin when doing exception handover
    - LP: #1446316
  * dm snapshot: suspend merging snapshot when doing exception handover
    - LP: #1446316
  * spi: qup: Fix cs-num DT property parsing
    - LP: #1446316
  * spi: dw-mid: clear BUSY flag fist and test other one
    - LP: #1446316
  * spi: trigger trace event for message-done before mesg->complete
    - LP: #1446316
  * hfsplus: fix B-tree corruption after insertion at position 0
    - LP: #1446316
  * powerpc/book3s: Fix the MCE code to use CONFIG_KVM_BOOK3S_64_HANDLER
    - LP: #1446316
  * regulator: palmas: Correct TPS659038 register definition for REGEN2
    - LP: #1446316
  * arm64: Use the reserved TTBR0 if context switching to the init_mm
    - LP: #1446316
  * arm64: percpu: Make this_cpu accessors pre-empt safe
    - LP: #1446316
  * powerpc/mpc85xx: Add ranges to etsec2 nodes
    - LP: #1446316
  * net: ethernet: pcnet32: Setup the SRAM and NOUFLO on Am79C97{3, 5}
    - LP: #1446316
  * mfd: kempld-core: Fix callback return value check
    - LP: #1446316
  * Linux 3.19.4
    - LP: #1446316
  * ALSA: hda - Add dock support for Thinkpad T450s (17aa:5036)
    - LP: #1446316
  * ALSA: hda - Add one more node in the EAPD supporting candidate list
    - LP: #1436745, #1446316
  * ALSA: usb - Creative USB X-Fi Pro SB1095 volume knob support
    - LP: #1446316
  * ALSA: bebob: fix to processing in big-endian machine for sending cue
    - LP: #1446316
  * ALSA: hda/realtek - Make more stable to get pin sense for ALC283
    - LP: #1446316
  * ALSA: hda - Fix headphone pin config for Lifebook T731
    - LP: #1446316
  * PCI/AER: Avoid info leak in __print_tlp_header()
    - LP: #1446316
  * PCI: cpcihp: Add missing curly braces in cpci_configure_slot()
    - LP: #1446316
  * PCI: Don't look for ACPI hotplug parameters if ACPI is disabled
    - LP: #1446316
  * PCI: spear: Drop __initdata from spear13xx_pcie_driver
    - LP: #1446316
  * ARC: SA_SIGINFO ucontext regs off-by-one
    - LP: #1446316
  * ARC: signal handling robustify
    - LP: #1446316
  * ARM: sunxi: Have ARCH_SUNXI select RESET_CONTROLLER for clock driver
    usage
    - LP: #1446316
  * selinux: fix sel_write_enforce broken return value
    - LP: #1446316
  * blk-mq: fix use of incorrect goto label in blk_mq_init_queue error path
    - LP: #1446316
  * blkmq: Fix NULL pointer deref when all reserved tags in
    - LP: #1446316
  * Fix bug in blk_rq_merge_ok
    - LP: #1446316
  * block: fix blk_stack_limits() regression due to lcm() change
    - LP: #1446316
  * drm: Fixup racy refcounting in plane_force_disable
    - LP: #1446316
  * drm/edid: set ELD for firmware and debugfs override EDIDs
    - LP: #1446316
  * drm/i915: Reject the colorkey ioctls for primary and cursor planes
    - LP: #1446316
  * drm/radeon/dpm: fix 120hz handling harder
    - LP: #1446316
  * drm/radeon: add extra check in radeon_ttm_tt_unpin_userptr
    - LP: #1446316
  * drm/radeon: fix wait in radeon_mn_invalidate_range_start
    - LP: #1446316
  * drm/i915/chv: Remove Wait for a previous gfx force-off
    - LP: #1446316
  * drm/i915/vlv: save/restore the power context base reg
    - LP: #1446316
  * drm/i915/vlv: remove wait for previous GFX clk disable request
    - LP: #1446316
  * drm/i915: Align initial plane backing objects correctly
    - LP: #1446316
  * btrfs: simplify insert_orphan_item
    - LP: #1446316
  * iwlwifi: dvm: run INIT firmware again upon .start()
    - LP: #1446316
  * x86/xen: prepare p2m list for memory hotplug
    - LP: #1446316
  * xen/balloon: before adding hotplugged memory, set frames to invalid
    - LP: #1446316
  * nfsd: return correct openowner when there is a race to put one in the
    hash
    - LP: #1446316
  * nfsd: return correct lockowner when there is a race on hash insert
    - LP: #1446316
  * sunrpc: make debugfs file creation failure non-fatal
    - LP: #1446316
  * powerpc: Re-enable dynticks
    - LP: #1446316
  * nbd: fix possible memory leak
    - LP: #1446316
  * mac80211: fix RX A-MPDU session reorder timer deletion
    - LP: #1446316
  * mm: fix anon_vma->degree underflow in anon_vma endless growing
    prevention
    - LP: #1446316
  * mm/memory hotplug: postpone the reset of obsolete pgdat
    - LP: #1446316
  * mm/page_alloc.c: call kernel_map_pages in unset_migrateype_isolate
    - LP: #1446316
  * sched: Fix RLIMIT_RTTIME when PI-boosting to RT
    - LP: #1446316
  * cpufreq: Schedule work for the first-online CPU on resume
    - LP: #1446316
  * writeback: add missing INITIAL_JIFFIES init in
    global_update_bandwidth()
    - LP: #1446316
  * 2f800fbd777b ("writeback: fix dirtied pages accounting on redirty")
  * libata: Update Crucial/Micron blacklist
    - LP: #1446316
  * libata: Blacklist queued TRIM on Samsung SSD 850 Pro
    - LP: #1446316
  * radeon: Do not directly dereference pointers to BIOS area.
    - LP: #1446316
  * USB: keyspan_pda: add new device id
    - LP: #1446316
  * USB: ftdi_sio: Added custom PID for Synapse Wireless product
    - LP: #1446316
  * USB: ftdi_sio: Use jtag quirk for SNAP Connect E10
    - LP: #1446316
  * Defer processing of REQ_PREEMPT requests for blocked devices
    - LP: #1446316
  * iio: inv_mpu6050: Clear timestamps fifo while resetting hardware fifo
    - LP: #1446316
  * iio: core: Fix double free.
    - LP: #1446316
  * iio: bmc150: change sampling frequency
    - LP: #1446316
  * iio: adc: vf610: use ADC clock within specification
    - LP: #1446316
  * iio: imu: Use iio_trigger_get for indio_dev->trig assignment
    - LP: #1446316
  * dmaengine: edma: fix memory leak when terminating running transfers
    - LP: #1446316
  * dmaengine: omap-dma: Fix memory leak when terminating running transfer
    - LP: #1446316
  * ath9k: fix tracking of enabled AP beacons
    - LP: #1446316
  * x86/reboot: Add ASRock Q1900DC-ITX mainboard reboot quirk
    - LP: #1446316
  * can: flexcan: fix bus-off error state handling.
    - LP: #1446316
  * can: flexcan: Deferred on Regulator return EPROBE_DEFER
    - LP: #1446316
  * firmware: dmi_scan: Prevent dmi_num integer overflow
    - LP: #1446316
  * cpuidle: remove state_count field from struct cpuidle_device
    - LP: #1446316
  * cpuidle: ACPI: do not overwrite name and description of C0
    - LP: #1446316
  * usb: xhci: handle Config Error Change (CEC) in xhci driver
    - LP: #1446316
  * usb: xhci: apply XHCI_AVOID_BEI quirk to all Intel xHCI controllers
    - LP: #1446316
  * tty: serial: fsl_lpuart: specify transmit FIFO size
    - LP: #1446316
  * tty: serial: fsl_lpuart: clear receive flag on FIFO flush
    - LP: #1446316
  * n_tty: Fix read buffer overwrite when no newline
    - LP: #1446316
  * cifs: smb2_clone_range() - exit on unhandled error
    - LP: #1446316
  * cifs: fix use-after-free bug in find_writable_file
    - LP: #1446316
  * brcmfmac: disable MBSS feature for BCM43362
    - LP: #1446316
  * iommu/vt-d: Detach domain *only* from attached iommus
    - LP: #1446316
  * rtlwifi: Fix IOMMU mapping leak in AP mode
    - LP: #1446316
  * drivers/of: Add empty ranges quirk for PA-Semi
    - LP: #1446316
  * be2iscsi: Fix kernel panic when device initialization fails
    - LP: #1446316
  * ocfs2: _really_ sync the right range
    - LP: #1446316
  * ioctx_alloc(): fix vma (and file) leak on failure
    - LP: #1446316
  * iscsi target: fix oops when adding reject pdu
    - LP: #1446316
  * sh_veu: v4l2_dev wasn't set
    - LP: #1446316
  * media: s5p-mfc: fix mmap support for 64bit arch
    - LP: #1446316
  * cx23885: fix querycap
    - LP: #1446316
  * soc-camera: Fix devm_kfree() in soc_of_bind()
    - LP: #1446316
  * vb2: Fix dma_dir setting for dma-contig mem type
    - LP: #1446316
  * vb2: fix 'UNBALANCED' warnings when calling vb2_thread_stop()
    - LP: #1446316
  * clk: divider: fix selection of divider when rounding to closest
    - LP: #1446316
  * clk: divider: fix calculation of maximal parent rate for a given
    divider
    - LP: #1446316
  * IB/mlx4: Saturate RoCE port PMA counters in case of overflow
    - LP: #1446316
  * xfs: ensure truncate forces zeroed blocks to disk
    - LP: #1446316
  * drm/i915: Push vblank enable/disable past encoder->enable/disable
    - LP: #1446316
  * kvm: avoid page allocation failure in kvm_set_memory_region()
    - LP: #1446316
  * Linux 3.19.5
    - LP: #1446316
  * PCI: Don't clear ASPM bits when the FADT declares it's unsupported
    - LP: #1441335
  * regmap: Skip read-only registers in regcache_sync()
    - LP: #1448830
  * tun: return proper error code from tun_do_read
    - LP: #1448942
  * i915_bpo: Update to 4.1rc1
    - LP: #1449469
  * drm/plane-helper: Test for plane disable earlier
    - LP: #1449469
  * drm: Add standardized boolean props
    - LP: #1449469
  * drm/atomic: Add drm_crtc_state->active
    - LP: #1449469
  * drm/atomic-helper: add connector->dpms() implementation
    - LP: #1449469
  * drm/atomic-helpers: Recover full cursor plane behaviour
    - LP: #1449469
  * drm: Include drm_crtc_helper.h in DocBook
    - LP: #1449469
  * drm/atomic-helpers: Saner encoder/crtc callbacks
    - LP: #1449469
  * drm/atomic-helper: debug output for modesets
    - LP: #1449469
  * drm/atomic: Fix potential use of state after free
    - LP: #1449469
  * drm/plane: Make ->atomic_update() mandatory
    - LP: #1449469
  * drm/plane: Add optional ->atomic_disable() callback
    - LP: #1449469
  * drm/atomic: Add ->atomic_check() to encoder helpers
    - LP: #1449469
  * drm: Add DRM_DEBUG_ATOMIC
    - LP: #1449469
  * drm: Pass in new and old plane state to prepare_fb and cleanup_fb
    - LP: #1449469
  * drm/atomic: Clear crtcs, connectors and planes when clearing state
    - LP: #1449469
  * drm/atomic: Don't try to free a NULL state
    - LP: #1449469
  * drm/i915: remove intel_pipe_set_base() (v4)
    - LP: #1446979
  * ALSA: hda_intel: add AZX_DCAPS_I915_POWERWELL for SKL and BSW
    - LP: #1449464
  * ALSA: hda_intel: apply the Seperate stream_tag for Sunrise Point
    - LP: #1449464
  * tcp: prevent fetching dst twice in early demux code
    - LP: #1451996
  * rocker: handle non-bridge master change
    - LP: #1451996
  * net/mlx4_en: Call register_netdevice in the proper location
    - LP: #1451996
  * net: tcp6: fix double call of tcp_v6_fill_cb()
    - LP: #1451996
  * bonding: Bonding Overriding Configuration logic restored.
    - LP: #1451996
  * openvswitch: Return vport module ref before destruction
    - LP: #1451996
  * xen-netfront: transmit fully GSO-sized packets
    - LP: #1451996
  * tcp: fix FRTO undo on cumulative ACK of SACKed range
    - LP: #1451996
  * ipv6: protect skb->sk accesses from recursive dereference inside the
    stack
    - LP: #1451996
  * net/mlx4_core: Fix error message deprecation for ConnectX-2 cards
    - LP: #1451996
  * tcp: tcp_make_synack() should clear skb->tstamp
    - LP: #1451996
  * bnx2x: Fix busy_poll vs netpoll
    - LP: #1451996
  * bpf: fix verifier memory corruption
    - LP: #1451996
  * skbuff: Do not scrub skb mark within the same name space
    - LP: #1451996
  * udptunnels: Call handle_offloads after inserting vlan tag.
    - LP: #1451996
  * usbnet: Fix tx_packets stat for FLAG_MULTI_FRAME drivers
    - LP: #1451996
  * usbnet: Fix tx_bytes statistic running backward in cdc_ncm
    - LP: #1451996
  * KVM: nVMX: mask unrestricted_guest if disabled on L0
    - LP: #1451996
  * staging: comedi: adv_pci1710: fix AI INSN_READ for non-zero channel
    - LP: #1451996
  * mm/hugetlb: reduce arch dependent code around follow_huge_*
    - LP: #1451996
  * mm/hugetlb: take page table lock in follow_huge_pmd()
    - LP: #1451996
  * rtlwifi: rtl8192ee: Fix handling of new style descriptors
    - LP: #1451996
  * Linux 3.19.6
    - LP: #1451996

  [ Ville Syrjälä ]

  * SAUCE: i915_bpo: drm/i915: Convert the ddi cdclk code to
    get_display_clock_speed
    - LP: #1449469

 -- Brad Figg <brad.figg@xxxxxxxxxxxxx>  Tue, 05 May 2015 13:23:53 -0700

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

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https://bugs.launchpad.net/bugs/1441335

Title:
  PCI: Don't clear ASPM bits when the FADT declares it's unsupported

Status in HWE Next Project:
  Fix Committed
Status in HWE Next trusty series:
  Fix Committed
Status in HWE Next utopic series:
  Fix Committed
Status in HWE Next vivid series:
  Fix Committed
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Trusty:
  Fix Committed
Status in linux source package in Utopic:
  Fix Committed
Status in linux source package in Vivid:
  Fix Committed

Bug description:
  Matthew Garrett developed a patch to make Linux's ASPM support match
  reality. Please backport this to Ubuntu's 3.13, 3.16 and 3.19 kernels.

  This should offer power savings and would match Windows behavior.

  Please see the submission at <https://lkml.org/lkml/2015/4/7/781>.

To manage notifications about this bug go to:
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References

[Bug 1441335] [NEW] PCI: Don't clear ASPM bits when the FADT declares it's unsupported
From: Daniel Jared Dominguez, 2015-04-07