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[Launchpad Bug Tracker <1458617@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.19.0-22.22

---------------
linux (3.19.0-22.22) vivid; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1465755

  [ Tai Nguyen ]

  * SAUCE: power: reset: Add syscon reboot device node for APM X-Gene
    platform
    - LP: #1463211

  [ Upstream Kernel Changes ]

  * Revert "dm crypt: fix deadlock when async crypto algorithm returns
    -EBUSY"
    - LP: #1465696
  * Bluetooth: ath3k: Add a new ID 0cf3:e006 to ath3k list
    - LP: #1459934
  * cdc-acm: prevent infinite loop when parsing CDC headers.
    - LP: #1460657
  * (upstream) libata: Blacklist queued TRIM on all Samsung 800-series
    - LP: #1338706, #1449005
  * powerpc/powernv: Check image loaded or not before calling flash
    - LP: #1461553
  * ahci: avoton port-disable reset-quirk
    - LP: #1458617
  * Bluetooth: btusb: support public address configuration for ath3012
    - LP: #1459937
  * Bluetooth: btusb: Add setup callback for chip init on USB
    - LP: #1459937
  * Bluetooth: btusb: Add support for QCA ROME chipset family
    - LP: #1459937
  * Bluetooth: btusb: Fix incorrect type in qca_device_info
    - LP: #1459937
  * Bluetooth: btusb: Fix minor whitespace issue in QCA ROME device entries
    - LP: #1459937
  * Bluetooth: btusb: Add support for 0cf3:e007
    - LP: #1459937
  * storvsc: Set the SRB flags correctly when no data transfer is needed
    - LP: #1439780
  * vfs: read file_handle only once in handle_to_path
    - LP: #1416503
    - CVE-2015-1420
  * ozwpan: Use unsigned ints to prevent heap overflow
    - LP: #1463442
    - CVE-2015-4001
  * ozwpan: divide-by-zero leading to panic
    - LP: #1463445
    - CVE-2015-4003
  * ozwpan: Use proper check to prevent heap overflow
    - LP: #1463444
    - CVE-2015-4002
  * ozwpan: unchecked signed subtraction leads to DoS
    - LP: #1463444
    - CVE-2015-4002
  * enclosure: fix WARN_ON removing an adapter in multi-path devices
    - LP: #1415178
  * ASoC: tfa9879: Fix return value check in tfa9879_i2c_probe()
    - LP: #1465696
  * ASoC: samsung: s3c24xx-i2s: Fix return value check in
    s3c24xx_iis_dev_probe()
    - LP: #1465696
  * ASoC: dapm: Enable autodisable on SOC_DAPM_SINGLE_TLV_AUTODISABLE
    - LP: #1465696
  * ASoC: rt5677: add register patch for PLL
    - LP: #1465696
  * btrfs: unlock i_mutex after attempting to delete subvolume during send
    - LP: #1465696
  * ALSA: hda - Fix mute-LED fixed mode
    - LP: #1465696
  * ALSA: hda - Add mute-LED mode control to Thinkpad
    - LP: #1465696
  * arm64: dma-mapping: always clear allocated buffers
    - LP: #1465696
  * ALSA: emu10k1: Fix card shortname string buffer overflow
    - LP: #1465696
  * ALSA: emux: Fix mutex deadlock at unloading
    - LP: #1465696
  * drm/radeon: Use drm_calloc_ab for CS relocs
    - LP: #1465696
  * drm/radeon: adjust pll when audio is not enabled
    - LP: #1465696
  * drm/radeon: add SI DPM quirk for Sapphire R9 270 Dual-X 2G GDDR5
    - LP: #1465696
  * drm/radeon: fix lockup when BOs aren't part of the VM on release
    - LP: #1465696
  * drm/radeon: reset BOs address after clearing it.
    - LP: #1465696
  * drm/radeon: check new address before removing old one
    - LP: #1465696
  * SCSI: add 1024 max sectors black list flag
    - LP: #1465696
  * 3w-sas: fix command completion race
    - LP: #1465696
  * 3w-xxxx: fix command completion race
    - LP: #1465696
  * 3w-9xxx: fix command completion race
    - LP: #1465696
  * uas: Allow uas_use_uas_driver to return usb-storage flags
    - LP: #1465696
  * uas: Add US_FL_MAX_SECTORS_240 flag
    - LP: #1465696
  * uas: Set max_sectors_240 quirk for ASM1053 devices
    - LP: #1465696
  * usb: chipidea: otg: remove mutex unlock and lock while stop and start
    role
    - LP: #1465696
  * serial: xilinx: Use platform_get_irq to get irq description structure
    - LP: #1465696
  * serial: of-serial: Remove device_type = "serial" registration
    - LP: #1465696
  * tty/serial: at91: maxburst was missing for dma transfers
    - LP: #1465696
  * ALSA: emux: Fix mutex deadlock in OSS emulation
    - LP: #1465696
  * ACPI / SBS: Enable battery manager when present
    - LP: #1465696
  * ALSA: emu10k1: Emu10k2 32 bit DMA mode
    - LP: #1465696
  * ASoC: rt5677: fixed wrong DMIC ref clock
    - LP: #1465696
  * rbd: end I/O the entire obj_request on error
    - LP: #1465696
  * ext4: fix data corruption caused by unwritten and delayed extents
    - LP: #1465696
  * ext4: move check under lock scope to close a race.
    - LP: #1465696
  * powerpc/pseries: Correct cpu affinity for dlpar added cpus
    - LP: #1465696
  * powerpc/powernv: Restore non-volatile CRs after nap
    - LP: #1465696
  * efivarfs: Ensure VariableName is NUL-terminated
    - LP: #1465696
  * x86/efi: Store upper bits of command line buffer address in
    ext_cmd_line_ptr
    - LP: #1465696
  * blk-mq: fix race between timeout and CPU hotplug
    - LP: #1465696
  * blk-mq: fix CPU hotplug handling
    - LP: #1465696
  * writeback: use |1 instead of +1 to protect against div by zero
    - LP: #1465696
  * ARM: mvebu: armada-xp-openblocks-ax3-4: Disable internal RTC
    - LP: #1465696
  * ARM: dts: imx23-olinuxino: Fix polarity of LED GPIO
    - LP: #1465696
  * ARM: dts: imx23-olinuxino: Fix dr_mode of usb0
    - LP: #1465696
  * ARM: dts: imx6: phyFLEX: USB VBUS control is active-high
    - LP: #1465696
  * ARM: dts: imx25: Add #pwm-cells to pwm4
    - LP: #1465696
  * ARM: dts: imx28: Fix AUART4 TX-DMA interrupt name
    - LP: #1465696
  * marvell-ccic: fix Y'CbCr ordering
    - LP: #1465696
  * gpio: sysfs: fix memory leaks and device hotplug
    - LP: #1465696
  * ACPI / SBS: Add 5 us delay to fix SBS hangs on MacBook
    - LP: #1465696
  * ACPI / PNP: add two IDs to list for PNPACPI device enumeration
    - LP: #1465696
  * ARM: OMAP2+: Fix omap off idle power consumption creeping up
    - LP: #1465696
  * ARM: dts: OMAP3-N900: Add microphone bias voltages
    - LP: #1465696
  * drm/radeon: disable semaphores for UVD V1 (v2)
    - LP: #1465696
  * x86/spinlocks: Fix regression in spinlock contention detection
    - LP: #1465696
  * RDMA/CMA: Canonize IPv4 on IPV6 sockets properly
    - LP: #1465696
  * drm/i915: Assume dual channel LVDS if pixel clock necessitates it
    - LP: #1465696
  * drm/i915: Add missing MacBook Pro models with dual channel LVDS
    - LP: #1465696
  * efi: Fix error handling in add_sysfs_runtime_map_entry()
    - LP: #1465696
  * xen/events: Clear cpu_evtchn_mask before resuming
    - LP: #1465696
  * xen/xenbus: Update xenbus event channel on resume
    - LP: #1465696
  * xen/console: Update console event channel on resume
    - LP: #1465696
  * xen/events: Set irq_info->evtchn before binding the channel to CPU in
    __startup_pirq()
    - LP: #1465696
  * mm/memory-failure: call shake_page() when error hits thp tail page
    - LP: #1465696
  * mm: soft-offline: fix num_poisoned_pages counting on concurrent events
    - LP: #1465696
  * nilfs2: fix sanity check of btree level in nilfs_btree_root_broken()
    - LP: #1465696
  * ocfs2: dlm: fix race between purge and get lock resource
    - LP: #1465696
  * drm/i915/dp: there is no audio on port A
    - LP: #1465696
  * drm/amdkfd: allow unregister process with queues
    - LP: #1465696
  * drm/radeon: fix userptr BO unpin bug v3
    - LP: #1465696
  * drm/radeon: make VCE handle check more strict
    - LP: #1465696
  * drm/radeon: make UVD handle checking more strict
    - LP: #1465696
  * drm/radeon: more strictly validate the UVD codec
    - LP: #1465696
  * path_openat(): fix double fput()
    - LP: #1465696
  * mnt: Fix fs_fully_visible to verify the root directory is visible
    - LP: #1465696
  * drm: Zero out invalid vblank timestamp in drm_update_vblank_count.
    - LP: #1465696
  * ARM: ux500: Move GPIO regulator for SD-card into board DTSs
    - LP: #1465696
  * ARM: ux500: Enable GPIO regulator for SD-card for HREF boards
    - LP: #1465696
  * ARM: ux500: Enable GPIO regulator for SD-card for snowball
    - LP: #1465696
  * xen-pciback: Add name prefix to global 'permissive' variable
    - LP: #1465696
  * mmc: core: add missing pm event in mmc_pm_notify to fix hib restore
    - LP: #1465696
  * ARM: dts: am57xx-beagle-x15: Fix IRQ type for mcp7941x
    - LP: #1465696
  * mmc: sh_mmcif: Fix timeout value for command request
    - LP: #1465696
  * pinctrl: Don't just pretend to protect pinctrl_maps, do it for real
    - LP: #1465696
  * arm64: add missing PAGE_ALIGN() to __dma_free()
    - LP: #1465696
  * Linux 3.19.8-ckt1
    - LP: #1465696

 -- Brad Figg <brad.figg@xxxxxxxxxxxxx>  Tue, 16 Jun 2015 09:21:59 -0700

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

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-1420

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-4001

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-4002

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-4003

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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1458617

Title:
  Avoton server occasionally fails to boot when using SSD disks
  connected using ahci driver

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:
  SRU Justification:

  Impact:   Intermittent OS failure due to SSD disk initialisation failure
  Fix:      Upstream development
  Testcase: About once per 5000 reboots on one server. 
            If the user has several hundred servers, 
            the frequency isn't negligible. 

  ---------------------

  It was brought to my attention the following BUG:

  Avoton server occasionally fails to boot when using SSD disks
  connected using ahci driver. When this problem occurs, the disk is
  not recognized by the Linux kernel, and the server fails to boot.

  * Upstream acceptance information:

  Intel's patch has already been accepted upstream
  commit dbfe8ef5599a5370abc441fcdbb382b656563eb4
  Author: Dan Williams <dan.j.williams@xxxxxxxxx>
  Date: Fri May 8 15:23:55 2015 -0400
  ahci: avoton port-disable reset-quirk

  Refer to
  http://permalink.gmane.org/gmane.linux.kernel.commits.head/524068

  * How reproducible:
  About once per 5000 reboots on one server. However, if the customer
  has several hundred servers, the frequency isn't negligible.

  * Steps to Reproduce:
  Reboot server.

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