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[Bug 1505564] Re: Soft lockup with "block nbdX: Attempted send on closed socket" spam

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1505564@xxxxxxxxxxxxxxxxxx>
Date: Mon, 14 Mar 2016 13:14:39 -0000
Reply-to: Bug 1505564 <1505564@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
This bug was fixed in the package linux - 4.2.0-34.39

---------------
linux (4.2.0-34.39) wily; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1555821

  [ Florian Westphal ]

  * SAUCE: [nf] netfilter: x_tables: check for size overflow
    - LP: #1555353
  * SAUCE: [nf,v2] netfilter: x_tables: don't rely on well-behaving
    userspace
    - LP: #1555338

linux (4.2.0-33.38) wily; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1554649

  [ Upstream Kernel Changes ]

  * Revert "drm/radeon: call hpd_irq_event on resume"
    - LP: #1554608
  * cxl: Fix PSL timebase synchronization detection
    - LP: #1532914

linux (4.2.0-32.37) wily; urgency=low

  [ Kamal Mostafa ]

  * Release Tracking Bug
    - LP: #1550045

  [ Kamal Mostafa ]

  * Merged back Ubuntu-4.2.0-31.36

linux (4.2.0-31.36) wily; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1548579

  [ Andy Whitcroft ]

  * [Debian] hv: hv_set_ifconfig -- convert to python3
    - LP: #1506521
  * [Debian] hv: hv_set_ifconfig -- switch to approved indentation
    - LP: #1540586
  * [Debian] hv: hv_set_ifconfig -- fix numerous parameter handling issues
    - LP: #1540586

  [ Carol L Soto ]

  * SAUCE: IB/IPoIB: Do not set skb truesize since using one linearskb
    - LP: #1541326

  [ Dan Streetman ]

  * SAUCE: nbd: ratelimit error msgs after socket close
    - LP: #1505564

  [ Tim Gardner ]

  * Revert "SAUCE: (noup) cxlflash: Fix to avoid virtual LUN failover
    failure"
    - LP: #1541635
  * Revert "SAUCE: (noup) cxlflash: Fix to escalate LINK_RESET also on port
    1"
    - LP: #1541635
  * [Config] ARMV8_DEPRECATED=y
    - LP: #1545542

  [ Upstream Kernel Changes ]

  * x86/xen/p2m: hint at the last populated P2M entry
    - LP: #1542941
  * mm: add dma_pool_zalloc() call to DMA API
    - LP: #1543737
  * sctp: Prevent soft lockup when sctp_accept() is called during a timeout
    event
    - LP: #1543737
  * xen-netback: respect user provided max_queues
    - LP: #1543737
  * xen-netfront: respect user provided max_queues
    - LP: #1543737
  * xen-netfront: update num_queues to real created
    - LP: #1543737
  * iio: adis_buffer: Fix out-of-bounds memory access
    - LP: #1543737
  * KVM: PPC: Fix emulation of H_SET_DABR/X on POWER8
    - LP: #1543737
  * KVM: PPC: Fix ONE_REG AltiVec support
    - LP: #1543737
  * x86/irq: Call chip->irq_set_affinity in proper context
    - LP: #1543737
  * drm/amdgpu: fix tonga smu resume
    - LP: #1543737
  * perf kvm record/report: 'unprocessable sample' error while
    recording/reporting guest data
    - LP: #1543737
  * hrtimer: Handle remaining time proper for TIME_LOW_RES
    - LP: #1543737
  * timerfd: Handle relative timers with CONFIG_TIME_LOW_RES proper
    - LP: #1543737
  * posix-timers: Handle relative timers with CONFIG_TIME_LOW_RES proper
    - LP: #1543737
  * itimers: Handle relative timers with CONFIG_TIME_LOW_RES proper
    - LP: #1543737
  * drm/amdgpu: Use drm_calloc_large for VM page_tables array
    - LP: #1543737
  * drm/amdgpu: fix amdgpu_bo_pin_restricted VRAM placing v2
    - LP: #1543737
  * drm/radeon: properly byte swap vce firmware setup
    - LP: #1543737
  * ACPI: Revert "ACPI / video: Add Dell Inspiron 5737 to the blacklist"
    - LP: #1543737
  * ACPI / PCI / hotplug: unlock in error path in acpiphp_enable_slot()
    - LP: #1543737
  * hwmon: (dell-smm) Blacklist Dell Studio XPS 8000
    - LP: #1543737
  * usb: cdc-acm: handle unlinked urb in acm read callback
    - LP: #1543737
  * usb: cdc-acm: send zero packet for intel 7260 modem
    - LP: #1543737
  * cdc-acm:exclude Samsung phone 04e8:685d
    - LP: #1543737
  * usb: hub: do not clear BOS field during reset device
    - LP: #1543737
  * USB: cp210x: add ID for IAI USB to RS485 adaptor
    - LP: #1543737
  * USB: visor: fix null-deref at probe
    - LP: #1543737
  * USB: serial: visor: fix crash on detecting device without write_urbs
    - LP: #1543737
  * USB: serial: option: Adding support for Telit LE922
    - LP: #1543737
  * ALSA: seq: Fix incorrect sanity check at snd_seq_oss_synth_cleanup()
    - LP: #1543737
  * ALSA: seq: Degrade the error message for too many opens
    - LP: #1543737
  * USB: serial: ftdi_sio: add support for Yaesu SCU-18 cable
    - LP: #1543737
  * arm64: kernel: fix architected PMU registers unconditional access
    - LP: #1543737
  * USB: option: fix Cinterion AHxx enumeration
    - LP: #1543737
  * ALSA: compress: Disable GET_CODEC_CAPS ioctl for some architectures
    - LP: #1543737
  * ALSA: usb-audio: Fix TEAC UD-501/UD-503/NT-503 usb delay
    - LP: #1543737
  * virtio_pci: fix use after free on release
    - LP: #1543737
  * ALSA: bebob: Use a signed return type for get_formation_index
    - LP: #1543737
  * arm64: errata: Add -mpc-relative-literal-loads to build flags
    - LP: #1533009, #1543737
  * arm64: mm: avoid calling apply_to_page_range on empty range
    - LP: #1543737
  * x86/mm: Fix types used in pgprot cacheability flags translations
    - LP: #1543737
  * powerpc/eeh: Fix PE location code
    - LP: #1543737
  * SCSI: fix crashes in sd and sr runtime PM
    - LP: #1543737
  * tty: Fix unsafe ldisc reference via ioctl(TIOCGETD)
    - LP: #1543737
  * n_tty: Fix unsafe reference to "other" ldisc
    - LP: #1543737
  * staging/speakup: Use tty_ldisc_ref() for paste kworker
    - LP: #1543737
  * tick/nohz: Set the correct expiry when switching to nohz/lowres mode
    - LP: #1543737
  * irqchip/atmel-aic: Fix wrong bit operation for IRQ priority
    - LP: #1543737
  * seccomp: always propagate NO_NEW_PRIVS on tsync
    - LP: #1543737
  * drm/radeon: cleaned up VCO output settings for DP audio
    - LP: #1543737
  * drm/radeon: Add a common function for DFS handling
    - LP: #1543737
  * drm/radeon: fix DP audio support for APU with DCE4.1 display engine
    - LP: #1543737
  * cpufreq: Fix NULL reference crash while accessing policy->governor_data
    - LP: #1543737
  * cpufreq: pxa2xx: fix pxa_cpufreq_change_voltage prototype
    - LP: #1543737
  * ALSA: dummy: Disable switching timer backend via sysfs
    - LP: #1543737
  * drm/vmwgfx: respect 'nomodeset'
    - LP: #1543737
  * Staging: speakup: Fix getting port information
    - LP: #1543737
  * x86/mm/pat: Avoid truncation when converting cpa->numpages to address
    - LP: #1543737
  * serial: 8250_pci: Add Intel Broadwell ports
    - LP: #1543737
  * perf annotate browser: Fix behaviour of Shift-Tab with nothing focussed
    - LP: #1543737
  * perf hists: Fix HISTC_MEM_DCACHELINE width setting
    - LP: #1543737
  * powerpc/perf: Remove PPMU_HAS_SSLOT flag for Power8
    - LP: #1543737
  * Linux 4.2.8-ckt4
    - LP: #1543737
  * cxlflash: Resolve oops in wait_port_offline
    - LP: #1541635
  * cxlflash: Fix to resolve cmd leak after host reset
    - LP: #1541635
  * cxlflash: Removed driver date print
    - LP: #1541635
  * cxlflash: drop unlikely before IS_ERR_OR_NULL
    - LP: #1541635
  * powerpc/powernv: Panic on unhandled Machine Check
    - LP: #1541635
  * cxlflash: Fix to avoid virtual LUN failover failure
    - LP: #1541635
  * cxlflash: Fix to escalate LINK_RESET also on port 1
    - LP: #1541635
  * IB/ipoib: Suppress warning for send only join failures
    - LP: #1542444
  * IB/ipoib: Expire sendonly multicast joins
    - LP: #1542444
  * IB/ipoib: increase the max mcast backlog queue
    - LP: #1542444
  * IB/ipoib: For sendonly join free the multicast group on leave
    - LP: #1542444
  * qeth: initialize net_device with carrier off
    - LP: #1541907
  * mwifiex: remove USB8897 chipset support
    - LP: #1494593
  * powerpc/powernv: Fix stale PE primary bus
    - LP: #1546145
  * ALSA: usb-audio: avoid freeing umidi object twice
    - LP: #1546177
    - CVE-2016-2384

 -- Brad Figg <brad.figg@xxxxxxxxxxxxx>  Thu, 10 Mar 2016 13:46:44 -0800

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

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2384

-- 
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https://bugs.launchpad.net/bugs/1505564

Title:
  Soft lockup with "block nbdX: Attempted send on closed socket" spam

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Trusty:
  Fix Committed
Status in linux source package in Vivid:
  Fix Committed
Status in linux source package in Wily:
  Fix Released

Bug description:
  Some of our nova compute hosts regularly freeze, sometimes for a few
  hours, with kern.log getting spammed with:

  block nbdX: Attempted send on closed socket

  and a few "CPU soft lockup" messages (see attached log). This clears
  up when the queue gets cleared, eg :

  block nbdX: queue cleared

  trusty hosts with kernel version 3.19.0-30-generic.
  --- 
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Nov 24 12:23 seq
   crw-rw---- 1 root audio 116, 33 Nov 24 12:23 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  DistroRelease: Ubuntu 14.04
  IwConfig: Error: [Errno 2] No such file or directory
  MachineType: HP ProLiant DL385 G7
  Package: linux (not installed)
  PciMultimedia:
   
  ProcEnviron:
   TERM=screen-256color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-36-generic root=UUID=13289ac9-8dc9-4feb-b6bd-ca7db66b21d6 ro console=tty0 console=ttyS1,38400 nosplash crashkernel=384M-:512M nox2apic intremap=off
  ProcVersionSignature: Ubuntu 3.19.0-36.41~14.04.1hf00090138v20151122b1-generic 3.19.8-ckt9
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-36-generic N/A
   linux-backports-modules-3.19.0-36-generic  N/A
   linux-firmware                             1.127.18
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  trusty uec-images
  Uname: Linux 3.19.0-36-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 02/02/2014
  dmi.bios.vendor: HP
  dmi.bios.version: A18
  dmi.chassis.type: 23
  dmi.chassis.vendor: HP
  dmi.modalias: dmi:bvnHP:bvrA18:bd02/02/2014:svnHP:pnProLiantDL385G7:pvr:cvnHP:ct23:cvr:
  dmi.product.name: ProLiant DL385 G7
  dmi.sys.vendor: HP

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References

[Bug 1505564] [NEW] Soft lockup with "block nbdX: Attempted send on closed socket" spam
From: Junien Fridrick, 2015-10-13