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[Launchpad Bug Tracker <1206837@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.8.0-30.44

---------------
linux (3.8.0-30.44) raring; urgency=low

  [Steve Conklin]

  * Release Tracking Bug
    - LP: #1215596

  [ Upstream Kernel Changes ]

  * Don't attempt to send extended INQUIRY command if skip_vpd_pages is set
    - LP: #1215155

linux (3.8.0-30.43) raring; urgency=low

  [Steve Conklin]

  * Release Tracking Bug
    - LP: #1215095

  [ Andy Whitcroft ]

  * [Packaging] supply perf with appropriate prefix to ensure use of local
    config
    - LP: #1206200
    - CVE-2013-1060

  [ Brad Figg ]

  * Start new release

  [ John Johansen ]

  * Revert "SAUCE: (no-up) AppArmor: Disable Add PR_{GET,SET}_NO_NEW_PRIVS
    to prevent execve from granting privs"
    - LP: #1202161

  [ Joseph Salisbury ]

  * SAUCE: (no-up) intel_ips: blacklist ASUSTek G60JX laptops
    - LP: #1210848

  [ Kamal Mostafa ]

  * SAUCE: (no-up) Revert "SAUCE: (no-up) drm/i915: quirk no PCH_PWM_ENABLE
    for Dell XPS13 backlight"

  [ Tim Gardner ]

  * [Config] Include rbd and kvm in the virtual inclusion list
    - LP: #1206961

  [ Upstream Kernel Changes ]

  * Revert "drm/i915: Workaround incoherence between fences and LLC across
    multiple CPUs"
    - LP: #1207977
  * xen/blkback: Check device permissions before allowing OP_DISCARD
    - LP: #1207977
  * ASoC: sglt5000: Fix the default value of CHIP_SSS_CTRL
    - LP: #1207977
  * ASoC: sglt5000: Fix SGTL5000_PLL_FRAC_DIV_MASK
    - LP: #1207977
  * drm/i915: Correct obj->mm_list link to
    dev_priv->dev_priv->mm.inactive_list
    - LP: #1207977
  * drm/i915: fix up ring cleanup for the i830/i845 CS tlb w/a
    - LP: #1207977
  * Partially revert "drm/i915: unconditionally use mt forcewake on
    hsw/ivb"
    - LP: #1207977
  * drm/i915: Fix write-read race with multiple rings
    - LP: #1207977
  * drm/i915: merge {i965, sandybridge}_write_fence_reg()
    - LP: #1207977
  * drm/i915: Fix incoherence with fence updates on Sandybridge+
    - LP: #1207977
  * drm/i915: rename sdvox_reg to hdmi_reg on HDMI context
    - LP: #1207977
  * drm/i915: don't setup hdmi for port D edp in ddi_init
    - LP: #1207977
  * drm/i915: Preserve the DDI_A_4_LANES bit from the bios
    - LP: #1207977
  * drm/radeon/hdmi: make sure we have an afmt block assigned
    - LP: #1207977
  * drm/radeon: allocate SA bo in the requested domain
    - LP: #1207977
  * drm/radeon: allow selection of alignment in the sub-allocator
    - LP: #1207977
  * ACPI / memhotplug: Fix a stale pointer in error path
    - LP: #1207977
  * PM / Sleep: avoid 'autosleep' in shutdown progress
    - LP: #1207977
  * ext4: fix error handling in ext4_ext_truncate()
    - LP: #1207977
  * radeon kms: do not flush uninitialized hotplug work
    - LP: #1207977
  * ALSA: asihpi: Fix unlocked snd_pcm_stop() call
    - LP: #1207977
  * ALSA: atiixp: Fix unlocked snd_pcm_stop() call
    - LP: #1207977
  * ALSA: 6fire: Fix unlocked snd_pcm_stop() call
    - LP: #1207977
  * ALSA: ua101: Fix unlocked snd_pcm_stop() call
    - LP: #1207977
  * ALSA: usx2y: Fix unlocked snd_pcm_stop() call
    - LP: #1207977
  * ALSA: pxa2xx: Fix unlocked snd_pcm_stop() call
    - LP: #1207977
  * ASoC: atmel: Fix unlocked snd_pcm_stop() call
    - LP: #1207977
  * ASoC: s6000: Fix unlocked snd_pcm_stop() call
    - LP: #1207977
  * saa7134: Fix unlocked snd_pcm_stop() call
    - LP: #1207977
  * staging: line6: Fix unlocked snd_pcm_stop() call
    - LP: #1207977
  * x86, suspend: Handle CPUs which fail to #GP on RDMSR
    - LP: #1207977
  * ALSA: hda - Add new GPU codec ID to snd-hda
    - LP: #1207977
  * drm/i915: fix long-standing SNB regression in power consumption after
    resume v2
    - LP: #1207977
  * ACPI / video: ignore BIOS initial backlight value for Fujitsu E753
    - LP: #1207977
  * arm64: mm: don't treat user cache maintenance faults as writes
    - LP: #1207977
  * Btrfs: fix lock leak when resuming snapshot deletion
    - LP: #1207977
  * Btrfs: re-add root to dead root list if we stop dropping it
    - LP: #1207977
  * drm/i915: inverted brightness quirk for Acer Aspire 4736Z
    - LP: #1207977
  * drm/i915: quirk no PCH_PWM_ENABLE for Dell XPS13 backlight
    - LP: #1162026, #1163720, #1207977
  * drm/i915: Serialize almost all register access
    - LP: #1207977
  * drm/i915: fix up gt init sequence fallout
    - LP: #1207977
  * powerpc/modules: Module CRC relocation fix causes perf issues
    - LP: #1207977
  * sparc32: vm_area_struct access for old Sun SPARCs.
    - LP: #1207977
  * sparc64 address-congruence property
    - LP: #1207977
  * sparc: tsb must be flushed before tlb
    - LP: #1207977
  * bridge: fix switched interval for MLD Query types
    - LP: #1207977
  * ipv4: Fixed MD5 key lookups when adding/ removing MD5 to/ from TCP
    sockets.
    - LP: #1207977
  * ipv6: don't call addrconf_dst_alloc again when enable lo
    - LP: #1207977
  * macvtap: fix recovery from gup errors
    - LP: #1207977
  * ipv6: ip6_sk_dst_check() must not assume ipv6 dst
    - LP: #1207977
  * af_key: fix info leaks in notify messages
    - LP: #1207977
  * sh_eth: fix unhandled RFE interrupt
    - LP: #1207977
  * neighbour: fix a race in neigh_destroy()
    - LP: #1207977
  * x25: Fix broken locking in ioctl error paths.
    - LP: #1207977
  * net: Swap ver and type in pppoe_hdr
    - LP: #1207977
  * vti: remove duplicated code to fix a memory leak
    - LP: #1207977
  * ipv6,mcast: always hold idev->lock before mca_lock
    - LP: #1207977
  * l2tp: add missing .owner to struct pppox_proto
    - LP: #1207977
  * ipv6: call udp_push_pending_frames when uncorking a socket with AF_INET
    pending data
    - LP: #1207977
  * ipv6: ip6_append_data_mtu did not care about pmtudisc and frag_size
    - LP: #1207977
  * sunvnet: vnet_port_remove must call unregister_netdev
    - LP: #1207977
  * ifb: fix rcu_sched self-detected stalls
    - LP: #1207977
  * tuntap: correctly linearize skb when zerocopy is used
    - LP: #1207977
  * macvtap: correctly linearize skb when zerocopy is used
    - LP: #1207977
  * ipv6: in case of link failure remove route directly instead of letting
    it expire
    - LP: #1207977
  * 9p: fix off by one causing access violations and memory corruption
    - LP: #1207977
  * dummy: fix oops when loading the dummy failed
    - LP: #1207977
  * ifb: fix oops when loading the ifb failed
    - LP: #1207977
  * atl1e: fix dma mapping warnings
    - LP: #1207977
  * atl1e: unmap partially mapped skb on dma error and free skb
    - LP: #1207977
  * ipv4: set transport header earlier
    - LP: #1207977
  * tuntap: do not zerocopy if iov needs more pages than MAX_SKB_FRAGS
    - LP: #1207977
  * macvtap: do not zerocopy if iov needs more pages than MAX_SKB_FRAGS
    - LP: #1207977
  * vlan: fix a race in egress prio management
    - LP: #1207977
  * Linux 3.8.13.6
    - LP: #1207977
  * Fix HDIO_DRIVE_* ioctl() Linux 3.9 regression
    - LP: #1182247
  * block/partitions: optimize memory allocation in check_partition()
    - LP: #1206837
  * ALSA: hda - Add power state filtering
    - LP: #1183125
  * ALSA: hda - Yet another fix for broken HSW HDMI pin connections
    - LP: #1183125
  * ALSA: hda - Apply pin-enablement workaround to all Haswell HDMI codecs
    - LP: #1183125
 -- Steve Conklin <sconklin@xxxxxxxxxxxxx>   Thu, 22 Aug 2013 15:04:40 -0500

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

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2013-1060

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https://bugs.launchpad.net/bugs/1206837

Title:
  Ubuntu Raring Kernel - pull patch block/partitions: optimize memory
  allocation in check_partition

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Raring:
  Fix Released
Status in “linux” source package in Saucy:
  Fix Released

Bug description:
  We have a Ubuntu Raring server running kernel 3.8.13-030813-generic

  We use iscsi to consume LUNs out of a storage array in the backend.
  When the server is loaded we run into the issue of iSCSI device
  discovery failing to scan partitions on LUNs with

  Jul 30 12:12:01 srv1 kernel: [101661.119322] kworker/u:20: page allocation failure: order:4, mode:0x10c0d0
  Jul 30 12:12:01 srv1 kernel: [101661.119327] Pid: 32539, comm: kworker/u:20 Tainted: GF       W  O 3.8.13-030813-generic #201305111843
  Jul 30 12:12:01 srv1 kernel: [101661.119329] Call Trace:
  Jul 30 12:12:01 srv1 kernel: [101661.119340]  [<ffffffff8113ac96>] warn_alloc_failed+0xf6/0x150
  Jul 30 12:12:01 srv1 kernel: [101661.119345]  [<ffffffff8113e156>] ? drain_local_pages+0x16/0x20
  Jul 30 12:12:01 srv1 kernel: [101661.119350]  [<ffffffff810bc8e0>] ? on_each_cpu_mask+0x50/0x70
  Jul 30 12:12:01 srv1 kernel: [101661.119354]  [<ffffffff8113e8ce>] __alloc_pages_nodemask+0x76e/0x9b0
  Jul 30 12:12:01 srv1 kernel: [101661.119359]  [<ffffffff8117af3a>] alloc_pages_current+0xba/0x170
  Jul 30 12:12:01 srv1 kernel: [101661.119363]  [<ffffffff81139aae>] __get_free_pages+0xe/0x40
  Jul 30 12:12:01 srv1 kernel: [101661.119367]  [<ffffffff8118427f>] kmalloc_order_trace+0x3f/0xd0
  Jul 30 12:12:01 srv1 kernel: [101661.119373]  [<ffffffff8133af30>] check_partition+0x30/0x200
  Jul 30 12:12:01 srv1 kernel: [101661.119376]  [<ffffffff8133ac58>] rescan_partitions+0xb8/0x2b0
  Jul 30 12:12:01 srv1 kernel: [101661.119381]  [<ffffffff811d52cb>] __blkdev_get+0x39b/0x480
  Jul 30 12:12:01 srv1 kernel: [101661.119386]  [<ffffffff8107f7eb>] ? bit_waitqueue+0x1b/0xc0
  Jul 30 12:12:01 srv1 kernel: [101661.119389]  [<ffffffff811d540e>] blkdev_get+0x5e/0x1e0
  Jul 30 12:12:01 srv1 kernel: [101661.119393]  [<ffffffff81337a82>] register_disk+0x172/0x190
  Jul 30 12:12:01 srv1 kernel: [101661.119396]  [<ffffffff81338334>] add_disk+0xb4/0x230
  Jul 30 12:12:01 srv1 kernel: [101661.119403]  [<ffffffff814bba76>] sd_probe_async+0x126/0x220
  Jul 30 12:12:01 srv1 kernel: [101661.119407]  [<ffffffff8108704f>] async_run_entry_fn+0xaf/0x1d0
  Jul 30 12:12:01 srv1 kernel: [101661.119410]  [<ffffffff81078b81>] process_one_work+0x141/0x490
  Jul 30 12:12:01 srv1 kernel: [101661.119413]  [<ffffffff81079b48>] worker_thread+0x168/0x400
  Jul 30 12:12:01 srv1 kernel: [101661.119416]  [<ffffffff810799e0>] ? manage_workers+0x120/0x120
  Jul 30 12:12:01 srv1 kernel: [101661.119419]  [<ffffffff8107f050>] kthread+0xc0/0xd0
  Jul 30 12:12:01 srv1 kernel: [101661.119423]  [<ffffffff8107ef90>] ? flush_kthread_worker+0xb0/0xb0
  Jul 30 12:12:01 srv1 kernel: [101661.119429]  [<ffffffff816f61ec>] ret_from_fork+0x7c/0xb0
  Jul 30 12:12:01 srv1 kernel: [101661.119432]  [<ffffffff8107ef90>] ? flush_kthread_worker+0xb0/0xb0

  We see this issue is fixed in 3.9 kernels with the following commit

  https://github.com/torvalds/linux/commit/ac2e5327a5e4f6477afc6a3b3b0dc6e0476d71d4

  Kindly request you to pull this patch into Ubuntu raring stable 3.8 kernel version as detailed in 
  http://lwn.net/Articles/550581/

  Thank You

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