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[Bug 1493746] Re: [SKL, i915_bpo] System hang when switching between extended/mirror modes

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1493746@xxxxxxxxxxxxxxxxxx>
Date: Mon, 28 Sep 2015 20:15:56 -0000
Reply-to: Bug 1493746 <1493746@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
This bug was fixed in the package linux - 3.19.0-30.33

---------------
linux (3.19.0-30.33) vivid; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1498065
  * Revert "[Config]
    MFD_INTEL_LPSS/MFD_INTEL_LPSS_ACPI/MFD_INTEL_LPSS_PCI=m"
    - LP: #1498137
  * [Config] Disable the MFD_INTEL_LPSS* driver

linux (3.19.0-30.32) vivid; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1498065

  [ Upstream Kernel Changes ]

  * net: Fix skb_set_peeked use-after-free bug
    - LP: #1497184

linux (3.19.0-29.31) vivid; urgency=low

  [ Luis Henriques ]

  * Release Tracking Bug
    - LP: #1493902

  [ Ander Conselvan de Oliveira ]

  * SAUCE: i915_bpo: Set ddi_pll_sel in DP MST path
    - LP: #1483320

  [ Chris J Arges ]

  * [Config] DEFAULT_IOSCHED="deadline" for ppc64el
    - LP: #1469829

  [ Chris Wilson ]

  * SAUCE: i915_bpo: drm/i915: Flag the execlists context object as dirty
    after every use
    - LP: #1489501

  [ Daniel Vetter ]

  * SAUCE: i915_bpo: drm/i915: Only dither on 6bpc panels
    - LP: #1489501

  [ David Henningsson ]

  * SAUCE: drm/i915: Add audio pin sense / ELD callback
    - LP: #1490895
  * SAUCE: drm/i915: Call audio pin/ELD notify function
    - LP: #1490895
  * SAUCE: ubuntu/i915: Call audio pin/ELD notify function
    - LP: #1490895
  * SAUCE: ALSA: hda - Add "hdac_acomp" global variable
    - LP: #1490895
  * SAUCE: ALSA: hda - allow codecs to access the i915 pin/ELD callback
    - LP: #1490895
  * SAUCE: ALSA: hda - Wake the codec up on pin/ELD notify events
    - LP: #1490895

  [ Jani Nikula ]

  * SAUCE: i915_bpo: Revert "drm/i915: Allow parsing of variable size child
    device entries from VBT"
    - LP: #1489501

  [ Maarten Lankhorst ]

  * SAUCE: i915_bpo: drm/i915: calculate primary visibility changes instead
    of calling from set_config
    - LP: #1489501
  * SAUCE: i915_bpo: drm/i915: Commit planes on each crtc separately.
    - LP: #1489501

  [ Thulasimani,Sivakumar ]

  * SAUCE: i915_bpo: Revert "drm/i915: Add eDP intermediate frequencies for
    CHV"
    - LP: #1489501
  * SAUCE: i915_bpo: drm/i915: remove HBR2 from chv supported list
    - LP: #1489501
  * SAUCE: i915_bpo: drm/i915: Avoid TP3 on CHV
    - LP: #1489501

  [ Timo Aaltonen ]

  * Revert "SAUCE: i915_bpo: drm/i915: Allow parsing of variable size child
    device entries from VBT, addendum v2"
    - LP: #1489501
  * SAUCE: Migrate Broadwell to i915_bpo.
    - LP: #1483320

  [ Upstream Kernel Changes ]

  * tcp: fix recv with flags MSG_WAITALL | MSG_PEEK
    - LP: #1486146
  * powerpc/powernv: Fix the overflow of OPAL message notifiers head array
    - LP: #1487085
  * xhci: call BIOS workaround to enable runtime suspend on Intel Braswell
    - LP: #1489292
  * PM / QoS: Make it possible to expose device latency tolerance to
    userspace
    - LP: #1488395
  * ACPI / PM: Attach ACPI power domain only once
    - LP: #1488395
  * Driver core: wakeup the parent device before trying probe
    - LP: #1488395
  * klist: implement klist_prev()
    - LP: #1488395
  * driver core: implement device_for_each_child_reverse()
    - LP: #1488395
  * mfd: make mfd_remove_devices() iterate in reverse order
    - LP: #1488395
  * mfd: Add support for Intel Sunrisepoint LPSS devices
    - LP: #1488395
  * md: use kzalloc() when bitmap is disabled
    - LP: #1493319
  * regulator: s2mps11: Fix GPIO suspend enable shift wrapping bug
    - LP: #1493319
  * iwlwifi: mvm: fix antenna selection when BT is active
    - LP: #1493319
  * HID: cp2112: fix to force single data-report reply
    - LP: #1493319
  * ata: pmp: add quirk for Marvell 4140 SATA PMP
    - LP: #1493319
  * libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for HP 250GB SATA disk
    VB0250EAVER
    - LP: #1493319
  * efi: Handle memory error structures produced based on old versions of
    standard
    - LP: #1493319
  * phy: berlin-usb: fix divider for BG2CD
    - LP: #1493319
  * libata: add ATA_HORKAGE_NOTRIM
    - LP: #1493319
  * libata: force disable trim for SuperSSpeed S238
    - LP: #1493319
  * libata: add ATA_HORKAGE_MAX_SEC_1024 to revert back to previous
    max_sectors limit
    - LP: #1493319
  * libata: increase the timeout when setting transfer mode
    - LP: #1493319
  * can: mcp251x: fix resume when device is down
    - LP: #1493319
  * libata: Do not blacklist M510DC
    - LP: #1493319
  * mac80211: clear subdir_stations when removing debugfs
    - LP: #1493319
  * ALSA: pcm: Fix lockdep warning with nonatomic PCM ops
    - LP: #1493319
  * iio: adc: vf610: fix the adc register read fail issue
    - LP: #1493319
  * ALSA: hda - Add headset mic support for Acer Aspire V5-573G
    - LP: #1493319
  * Subject: pinctrl: imx1-core: Fix debug output in .pin_config_set
    callback
    - LP: #1493319
  * ALSA: hda: add new AMD PCI IDs with proper driver caps
    - LP: #1493319
  * x86/mm: Add parenthesis for TLB tracepoint size calculation
    - LP: #1493319
  * x86/mpx: Do not set ->vm_ops on MPX VMAs
    - LP: #1493319
  * net: mvneta: fix refilling for Rx DMA buffers
    - LP: #1493319
  * ALSA: hda - Add new GPU codec ID 0x10de007d to snd-hda
    - LP: #1493319
  * drm/i915: Use two 32bit reads for select 64bit REG_READ ioctls
    - LP: #1493319
  * md/raid10: always set reshape_safe when initializing reshape_position.
    - LP: #1493319
  * ALSA: hda - Add headset mic pin quirk for a Dell device
    - LP: #1476987, #1493319
  * drm: Stop resetting connector state to unknown
    - LP: #1493319
  * usb: dwc3: Reset the transfer resource index on SET_INTERFACE
    - LP: #1493319
  * usb: xhci: Bugfix for NULL pointer deference in xhci_endpoint_init()
    function
    - LP: #1493319
  * xhci: Calculate old endpoints correctly on device reset
    - LP: #1493319
  * xhci: report U3 when link is in resume state
    - LP: #1493319
  * xhci: prevent bus_suspend if SS port resuming in phase 1
    - LP: #1493319
  * xhci: do not report PLC when link is in internal resume state
    - LP: #1493319
  * usb: core: lpm: set lpm_capable for root hub device
    - LP: #1493319
  * USB: OHCI: Fix race between ED unlink and URB submission
    - LP: #1493319
  * usb-storage: ignore ZTE MF 823 card reader in mode 0x1225
    - LP: #1493319
  * blkcg: fix gendisk reference leak in blkg_conf_prep()
    - LP: #1493319
  * mei: prevent unloading mei hw modules while the device is opened.
    - LP: #1493319
  * iommu/vt-d: Fix VM domain ID leak
    - LP: #1493319
  * tile: use free_bootmem_late() for initrd
    - LP: #1493319
  * Input: usbtouchscreen - avoid unresponsive TSC-30 touch screen
    - LP: #1493319
  * block: Do a full clone when splitting discard bios
    - LP: #1493319
  * md/raid1: fix test for 'was read error from last working device'.
    - LP: #1493319
  * mmc: omap_hsmmc: Fix DTO and DCRC handling
    - LP: #1493319
  * spi: imx: Fix small DMA transfers
    - LP: #1493319
  * ftrace: Fix breakage of set_ftrace_pid
    - LP: #1493319
  * isdn/gigaset: reset tty->receive_room when attaching ser_gigaset
    - LP: #1493319
  * sched: cls_bpf: fix panic on filter replace
    - LP: #1493319
  * net_sched: fix a use-after-free in sfq
    - LP: #1493319
  * serial: core: Fix crashes while echoing when closing
    - LP: #1493319
  * mmc: sdhci-pxav3: fix platform_data is not initialized
    - LP: #1493319
  * mmc: block: Add missing mmc_blk_put() in power_ro_lock_show()
    - LP: #1493319
  * mmc: sdhci-esdhc: Make 8BIT bus work
    - LP: #1493319
  * bonding: correctly handle bonding type change on enslave failure
    - LP: #1493319
  * mmc: sdhci check parameters before call dma_free_coherent
    - LP: #1493319
  * net: Clone skb before setting peeked flag
    - LP: #1493319
  * mtd: nand: Fix NAND_USE_BOUNCE_BUFFER flag conflict
    - LP: #1493319
  * bridge: mdb: fix double add notification
    - LP: #1493319
  * usb: gadget: mv_udc_core: fix phy_regs I/O memory leak
    - LP: #1493319
  * net/xen-netback: off by one in BUG_ON() condition
    - LP: #1493319
  * sched: cls_flow: fix panic on filter replace
    - LP: #1493319
  * ipvlan: use rcu_deference_bh() in ipvlan_queue_xmit()
    - LP: #1493319
  * inet: frags: fix defragmented packet's IP header for af_packet
    - LP: #1493319
  * bonding: fix destruction of bond with devices different from
    arphrd_ether
    - LP: #1493319
  * fq_codel: fix a use-after-free
    - LP: #1493319
  * ASoC: dapm: Lock during userspace access
    - LP: #1493319
  * ASoC: dapm: Don't add prefix to widget stream name
    - LP: #1493319
  * ASoC: ssm4567: Keep TDM_BCLKS in ssm4567_set_dai_fmt
    - LP: #1493319
  * ARM: OMAP2+: hwmod: Fix _wait_target_ready() for hwmods without sysc
    - LP: #1493319
  * ASoC: pcm1681: Fix setting de-emphasis sampling rate selection
    - LP: #1493319
  * qla2xxx: Fix hardware lock/unlock issue causing kernel panic.
    - LP: #1493319
  * qla2xxx: release request queue reservation.
    - LP: #1493319
  * qla2xxx: Remove msleep in qlt_send_term_exchange
    - LP: #1493319
  * qla2xxx: fix command initialization in target mode.
    - LP: #1493319
  * qla2xxx: kill sessions/log out initiator on RSCN and port down events
    - LP: #1493319
  * qla2xxx: cleanup cmd in qla workqueue before processing TMR
    - LP: #1493319
  * qla2xxx: delay plogi/prli ack until existing sessions are deleted
    - LP: #1493319
  * qla2xxx: Abort stale cmds on qla_tgt_wq when plogi arrives
    - LP: #1493319
  * qla2xxx: added sess generations to detect RSCN update races
    - LP: #1493319
  * qla2xxx: disable scsi_transport_fc registration in target mode
    - LP: #1493319
  * qla2xxx: drop cmds/tmrs arrived while session is being deleted
    - LP: #1493319
  * qla2xxx: terminate exchange when command is aborted by LIO
    - LP: #1493319
  * iscsi-target: Fix use-after-free during TPG session shutdown
    - LP: #1493319
  * iscsi-target: Convert iscsi_thread_set usage to kthread.h
    - LP: #1493319
  * iscsi-target: Fix iscsit_start_kthreads failure OOPs
    - LP: #1493319
  * iscsi-target: Fix iser explicit logout TX kthread leak
    - LP: #1493319
  * ARM: dts: i.MX35: Fix can support.
    - LP: #1493319
  * ALSA: hda - Apply fixup for another Toshiba Satellite S50D
    - LP: #1493319
  * drm/nouveau/fbcon/nv11-: correctly account for ring space usage
    - LP: #1493319
  * vhost: actually track log eventfd file
    - LP: #1493319
  * arm64/efi: map the entire UEFI vendor string before reading it
    - LP: #1493319
  * xfs: remote attribute headers contain an invalid LSN
    - LP: #1493319
  * xfs: remote attributes need to be considered data
    - LP: #1493319
  * ALSA: hda - Apply a fixup to Dell Vostro 5480
    - LP: #1493319
  * ALSA: usb-audio: add dB range mapping for some devices
    - LP: #1493319
  * drm/i915: Replace WARN inside I915_READ64_2x32 with retry loop
    - LP: #1493319
  * drm/radeon/combios: add some validation of lvds values
    - LP: #1493319
  * drm/i915: Declare the swizzling unknown for L-shaped configurations
    - LP: #1493319
  * x86/efi: Use all 64 bit of efi_memmap in setup_e820()
    - LP: #1493319
  * efi: Check for NULL efi kernel parameters
    - LP: #1493319
  * ipr: Fix locking for unit attention handling
    - LP: #1493319
  * ipr: Fix incorrect trace indexing
    - LP: #1493319
  * ipr: Fix invalid array indexing for HRRQ
    - LP: #1493319
  * scsi: fix memory leak with scsi-mq
    - LP: #1493319
  * ALSA: hda - Fix MacBook Pro 5,2 quirk
    - LP: #1493319
  * x86/xen: Probe target addresses in set_aliased_prot() before the
    hypercall
    - LP: #1493319
  * packet: tpacket_snd(): fix signed/unsigned comparison
    - LP: #1493319
  * inet: frag: don't re-use chainlist for evictor
    - LP: #1493319
  * bridge: netlink: fix slave_changelink/br_setport race conditions
    - LP: #1493319
  * netfilter: ctnetlink: put back references to master ct and expect
    objects
    - LP: #1493319
  * NFS: Don't revalidate the mapping if both size and change attr are up
    to date
    - LP: #1493319
  * bridge: mdb: fix delmdb state in the notification
    - LP: #1493319
  * ipvs: skb_orphan in case of forwarding
    - LP: #1493319
  * avr32: handle NULL as a valid clock object
    - LP: #1493319
  * ipvs: fix crash with sync protocol v0 and FTP
    - LP: #1493319
  * act_pedit: check binding before calling tcf_hash_release()
    - LP: #1493319
  * netfilter: nf_conntrack: Support expectations in different zones
    - LP: #1493319
  * ipvs: do not use random local source address for tunnels
    - LP: #1493319
  * ALSA: hda - fix cs4210_spdif_automute()
    - LP: #1493319
  * niu: don't count tx error twice in case of headroom realloc fails
    - LP: #1493319
  * net: sched: fix refcount imbalance in actions
    - LP: #1493319
  * net/mlx4_core: Fix wrong index in propagating port change event to VFs
    - LP: #1493319
  * packet: missing dev_put() in packet_do_bind()
    - LP: #1493319
  * ipvs: fix crash if scheduler is changed
    - LP: #1493319
  * Linux 3.19.8-ckt6
    - LP: #1493319

  [ Ville Syrjälä ]

  * SAUCE: i915_bpo: drm/i915: Don't use link_bw for PLL setup
    - LP: #1483320
  * SAUCE: i915_bpo: drm/i915: Split atomic wm update to pre and post
    variants
    - LP: #1493746

  [ Wen Xiong ]

  * SAUCE: ipr: Byte swapping for device_id attribute in sysfs
    - LP: #1453892

  [ Wen-chien Jesse Sung ]

  * [Config] MFD_INTEL_LPSS/MFD_INTEL_LPSS_ACPI/MFD_INTEL_LPSS_PCI=m
    - LP: #1488395

 -- Brad Figg <brad.figg@xxxxxxxxxxxxx>  Mon, 21 Sep 2015 11:57:20 -0700

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

-- 
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https://bugs.launchpad.net/bugs/1493746

Title:
  [SKL, i915_bpo] System hang when switching between extended/mirror
  modes

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Vivid:
  Fix Released

Bug description:
  Switching between extended/mirror modes when an external monitor is
  plugged in causes a system hang on at least some machines, like my
  SKL-Y ultramobile test system. It needs a backport of an upstream
  commit from 4.3, modified to work on 4.2-based i915_bpo:

  commit f015c5518879fb3e578caaa63806617468a24045
  Author: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
  Date:   Wed Jun 24 22:00:02 2015 +0300

      drm/i915: Split atomic wm update to pre and post variants
  --

  the watermark stuff is Skylake-specific, so can't regress BSW/BDW.
  This has been tested on a number of SKL machines now, fixing the bug.

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References

[Bug 1493746] [NEW] [SKL, i915_bpo] System hang when switching between extended/mirror modes
From: Timo Aaltonen, 2015-09-09