linux 4.12.0-11.12 ADT test failure with linux 4.12.0-11.12

[Seth Forshee]

Testing failed on:
    ppc64el: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-artful/artful/ppc64el/l/linux/20170815_145827_31c05@/log.gz

[Seth Forshee (sforshee)]

This was also happening with 4.11 so it's not a regression in 4.12.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1710904

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 4.12.0-13.14

---------------
linux (4.12.0-13.14) artful; urgency=low

  * linux: 4.12.0-13.14 -proposed tracker (LP: #1714687)

  * vhost guest network randomly drops under stress (kvm) (LP: #1711251)
    - Revert "vhost: cache used event for better performance"

  * EDAC sbridge: Failed to register device with error -22. (LP: #1714112)
    - [Config] CONFIG_EDAC_GHES=n

  * Artful update to v4.12.10 stable release (LP: #1714525)
    - sparc64: remove unnecessary log message
    - bonding: require speed/duplex only for 802.3ad, alb and tlb
    - bonding: ratelimit failed speed/duplex update warning
    - af_key: do not use GFP_KERNEL in atomic contexts
    - dccp: purge write queue in dccp_destroy_sock()
    - dccp: defer ccid_hc_tx_delete() at dismantle time
    - ipv4: fix NULL dereference in free_fib_info_rcu()
    - net_sched/sfq: update hierarchical backlog when drop packet
    - net_sched: remove warning from qdisc_hash_add
    - bpf: fix bpf_trace_printk on 32 bit archs
    - net: igmp: Use ingress interface rather than vrf device
    - openvswitch: fix skb_panic due to the incorrect actions attrlen
    - ptr_ring: use kmalloc_array()
    - ipv4: better IP_MAX_MTU enforcement
    - nfp: fix infinite loop on umapping cleanup
    - tun: handle register_netdevice() failures properly
    - sctp: fully initialize the IPv6 address in sctp_v6_to_addr()
    - tipc: fix use-after-free
    - ipv6: reset fn->rr_ptr when replacing route
    - ipv6: repair fib6 tree in failure case
    - tcp: when rearming RTO, if RTO time is in past then fire RTO ASAP
    - net/mlx4_core: Enable 4K UAR if SRIOV module parameter is not enabled
    - irda: do not leak initialized list.dev to userspace
    - net: sched: fix NULL pointer dereference when action calls some targets
    - net_sched: fix order of queue length updates in qdisc_replace()
    - bpf, verifier: add additional patterns to evaluate_reg_imm_alu
    - bpf: fix mixed signed/unsigned derived min/max value bounds
    - bpf/verifier: fix min/max handling in BPF_SUB
    - Input: trackpoint - add new trackpoint firmware ID
    - Input: elan_i2c - add ELAN0602 ACPI ID to support Lenovo Yoga310
    - Input: ALPS - fix two-finger scroll breakage in right side on ALPS touchpad
    - KVM: s390: sthyi: fix sthyi inline assembly
    - KVM: s390: sthyi: fix specification exception detection
    - KVM: x86: simplify handling of PKRU
    - KVM, pkeys: do not use PKRU value in vcpu->arch.guest_fpu.state
    - KVM: x86: block guest protection keys unless the host has them enabled
    - ALSA: usb-audio: Add delay quirk for H650e/Jabra 550a USB headsets
    - ALSA: core: Fix unexpected error at replacing user TLV
    - ALSA: hda - Add stereo mic quirk for Lenovo G50-70 (17aa:3978)
    - ALSA: firewire: fix NULL pointer dereference when releasing uninitialized
      data of iso-resource
    - ALSA: firewire-motu: destroy stream data surely at failure of card
      initialization
    - ARCv2: SLC: Make sure busy bit is set properly for region ops
    - ARCv2: PAE40: Explicitly set MSB counterpart of SLC region ops addresses
    - ARCv2: PAE40: set MSB even if !CONFIG_ARC_HAS_...