This bug was fixed in the package linux - 4.4.0-15.31
---------------
linux (4.4.0-15.31) xenial; urgency=low
[ Tim Gardner ]
* Release Tracking Bug
- LP: #1559252
* Xilinx KU3 Capi card does not show up in Ubuntu 16.04 (LP: #1557001)
- SAUCE: (noup) cxl: Allow initialization on timebase sync failures
* policy namespace stacking (LP: #1379535)
- Revert "UBUNTU: SAUCE: Move replacedby allocation into label_alloc"
- Revert "UBUNTU: SAUCE: Fixup: __label_update() still doesn't handle some
cases correctly."
- Revert "UBUNTU: SAUCE: fix: audit "no_new_privs" case for exec failure"
- Revert "UBUNTU: SAUCE: fixup: warning about aa_label_vec_find_or_create
not being static"
- Revert "UBUNTU: SAUCE: apparmor: fix refcount race when finding a child
profile"
- Revert "UBUNTU: SAUCE: fixup: cast poison values to remove warnings"
- Revert "UBUNTU: SAUCE: fixup: get rid of unused var build warning"
- Revert "UBUNTU: SAUCE: fixup: 20/23 locking issue around in
__label_update"
- Revert "UBUNTU: SAUCE: fixup: make __share_replacedby private to get rid
of build warning"
- Revert "UBUNTU: SAUCE: fix: replacedby forwarding is not being properly
update when ns is destroyed"
- Revert "UBUNTU: SAUCE: apparmor: fix log of apparmor audit message when
kern_path() fails"
- Revert "UBUNTU: SAUCE: fixup: cleanup return handling of labels"
- Revert "UBUNTU: SAUCE: apparmor: fix: ref count leak when profile sha1
hash is read"
- Revert "UBUNTU: SAUCE: apparmor: Fix: query label file permission"
- Revert "UBUNTU: SAUCE: apparmor: Don't remove label on rcu callback if
the label has already been removed"
- Revert "UBUNTU: SAUCE: apparmor: Fix: break circular refcount for label
that is directly freed."
- Revert "UBUNTU: SAUCE: apparmor: Fix: refcount bug when inserting label
update that transitions ns"
- Revert "UBUNTU: SAUCE: apparmor: Fix: now that insert can force
replacement use it instead of remove_and_insert"
- Revert "UBUNTU: SAUCE: apparmor Fix: refcount bug in pivotroot mediation"
- Revert "UBUNTU: SAUCE: apparmor: ensure that repacedby sharing is done
correctly"
- Revert "UBUNTU: SAUCE: apparmor: Fix: update replacedby allocation to
take a gfp parameter"
- Revert "UBUNTU: SAUCE: apparmor: Fix: convert replacedby update to be
protected by the labelset lock"
- Revert "UBUNTU: SAUCE: apparmor: Fix: add required locking of
__aa_update_replacedby on merge path"
- Revert "UBUNTU: SAUCE: apparmor: Fix: deadlock in aa_put_label() call
chain"
- Revert "UBUNTU: SAUCE: apparmor: Fix: label_vec_merge insertion"
- Revert "UBUNTU: SAUCE: apparmor: Fix: ensure new labels resulting from
merge have a replacedby"
- Revert "UBUNTU: SAUCE: apparmor: Fix: refcount leak in aa_label_merge"
- Revert "UBUNTU: SAUCE: apparmor: Fix: refcount race between locating in
labelset and get"
- Revert "UBUNTU: SAUCE: apparmor: Fix: label merge handling of marking
unconfined and stale"
- Revert "UBUNTU: SAUCE: apparmor: add underscores to indicate
aa_label_next_not_in_set() use needs locking"
- Revert "UBUNTU: SAUCE: apparmor: debug: POISON label and replaceby
pointer on free"
- Revert "UBUNTU: SAUCE: apparmor: Fix: ensure aa_get_newest will trip
debugging if the replacedby is not setup"
- Revert "UBUNTU: SAUCE: apparmor: Fix: insert race between label_update
and label_merge"
- Revert "UBUNTU: SAUCE: apparmor: rework retrieval of the current label in
the profile update case"
- Revert "UBUNTU: SAUCE: apparmor: Disallow update of cred when then
subjective != the objective cred"
- Revert "UBUNTU: SAUCE: apparmor: Fix: oops do to invalid null ptr deref
in label print fns"
- Revert "UBUNTU: SAUCE: fix-up: kern_mount fail path should not be doing
put_buffers()"
- Revert "UBUNTU: SAUCE: apparmor: fix sleep from invalid context"
- Revert "UBUNTU: SAUCE: (no-up): apparmor: fix for failed mediation of
socket that is being shutdown"
- Revert "UBUNTU: SAUCE: (no-up) apparmor: Fix incompatible pointer type
warnings"
- Revert "UBUNTU: SAUCE: (no-up) apparmor: fix mount not handling
disconnected paths"
- Revert "UBUNTU: SAUCE: (no-up): apparmor: fix mediation of fs unix
sockets"
- Revert "UBUNTU: apparmor -- follow change to this_cpu_ptr"
- Revert "UBUNTU: SAUCE: (no-up) fix: bad unix_addr_fs macro"
- Revert "UBUNTU: SAUCE: Revert: fix: only allow a single threaded process
to ..."
- Revert "UBUNTU: SAUCE: (no-up) apparmor: Sync to apparmor3 - RC1 snapshot"
- Revert "UBUNTU: SAUCE: (no-up) apparmor: add parameter to control whether
policy hashing is used"
- SAUCE: (no-up) apparmor: sync of apparmor3.5-beta1 snapshot
- SAUCE: add a sysctl to enable unprivileged user ns AppArmor policy loading
* Add arm64 NUMA support (LP: #1558765)
- SAUCE: (noup) efi: ARM/arm64: ignore DT memory nodes instead of removing
them
- SAUCE: (noup) Documentation, dt, numa: dt bindings for NUMA.
- [Config] CONFIG_OF_NUMA=y
- SAUCE: (noup) of, numa: Add NUMA of binding implementation.
- SAUCE: (noup) arm64: Move unflatten_device_tree() call earlier.
- [Config] CONFIG_NUMA=y and CONFIG_NODES_SHIFT=2 on arm64
- SAUCE: (noup) arm64, numa: Add NUMA support for arm64 platforms.
- SAUCE: (noup) arm64, mm, numa: Add NUMA balancing support for arm64.
* vivid/linux: total ADT test failures (LP: #1558447)
- Revert "Revert "af_unix: Revert 'lock_interruptible' in stream receive
code""
* [Hyper-V] patches to allow kdump crash through NMI (LP: #1558720)
- Drivers: hv: vmbus: Support handling messages on multiple CPUs
- Drivers: hv: vmbus: Support kexec on ws2012 r2 and above
* s390/pci: enforce fmb page boundary rule (LP: #1558625)
- s390/pci: enforce fmb page boundary rule
* s390/pci: backport upstream commits since v4.4 (LP: #1558624)
- s390/pci_dma: fix DMA table corruption with > 4 TB main memory
- page_to_phys() always returns a multiple of PAGE_SIZE
- s390/pci: provide ZPCI_ADDR macro
- s390/pci: improve ZPCI_* macros
- s390/pci: resize iomap
- s390/pci: fix bar check
- s390/pci: set error state for unusable functions
- s390/pci: remove iomap sanity checks
- s390/pci: remove pdev pointer from arch data
- s390/pci: add ioctl interface for CLP
* IMA-appraisal is unusable in Ubuntu 16.04 (LP: #1558553)
- [Config] CONFIG_SYSTEM_EXTRA_CERTIFICATE=y,
CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE=4096
- KEYS: Use the symbol value for list size, updated by
scripts/insert-sys-cert
- KEYS: Reserve an extra certificate symbol for inserting without
recompiling
- SAUCE: (noup) KEYS: Support for inserting a certificate into x86 bzImage
* skb_warn_bad_offload Crash (LP: #1558025)
- ipv4: only create late gso-skb if skb is already set up with
CHECKSUM_PARTIAL
* Add PCIe root complex to Cavium arm64 (LP: #1558342)
- [Config] CONFIG_PCI_HOST_COMMON=y
- [Config] CONFIG_PCI_HOST_THUNDER_PEM=y
- [Config] CONFIG_PCI_HOST_THUNDER_ECAM=y
- PCI: generic: Move structure definitions to separate header file
- PCI: generic: Add pci_host_common_probe(), based on gen_pci_probe()
- PCI: generic: Expose pci_host_common_probe() for use by other drivers
- PCI: thunder: Add PCIe host driver for ThunderX processors
- PCI: thunder: Add driver for ThunderX-pass{1,2} on-chip devices
* [Hyper-V] vmbus: Fix a bug in hv_need_to_signal_on_read() (LP: #1556264)
- SAUCE: (noup) Drivers: hv: vmbus: Fix a bug in hv_need_to_signal_on_read()
* Xenial update to v4.4.6 stable release (LP: #1558330)
- arm64: account for sparsemem section alignment when choosing vmemmap
offset
- ARM: mvebu: fix overlap of Crypto SRAM with PCIe memory window
- ARM: dts: dra7: do not gate cpsw clock due to errata i877
- ARM: OMAP2+: hwmod: Introduce ti,no-idle dt property
- PCI: Allow a NULL "parent" pointer in pci_bus_assign_domain_nr()
- kvm: cap halt polling at exactly halt_poll_ns
- KVM: VMX: disable PEBS before a guest entry
- KVM: s390: correct fprs on SIGP (STOP AND) STORE STATUS
- KVM: PPC: Book3S HV: Sanitize special-purpose register values on guest
exit
- KVM: MMU: fix ept=0/pte.u=1/pte.w=0/CR0.WP=0/CR4.SMEP=1/EFER.NX=0 combo
- KVM: MMU: fix reserved bit check for ept=0/CR0.WP=0/CR4.SMEP=1/EFER.NX=0
- s390/dasd: fix diag 0x250 inline assembly
- tracing: Fix check for cpu online when event is disabled
- dmaengine: at_xdmac: fix residue computation
- jffs2: reduce the breakage on recovery from halfway failed rename()
- ncpfs: fix a braino in OOM handling in ncp_fill_cache()
- ASoC: dapm: Fix ctl value accesses in a wrong type
- ASoC: samsung: Use IRQ safe spin lock calls
- ASoC: wm8994: Fix enum ctl accesses in a wrong type
- ASoC: wm8958: Fix enum ctl accesses in a wrong type
- ovl: ignore lower entries when checking purity of non-directory entries
- ovl: fix working on distributed fs as lower layer
- wext: fix message delay/ordering
- cfg80211/wext: fix message ordering
- can: gs_usb: fixed disconnect bug by removing erroneous use of kfree()
- iwlwifi: mvm: inc pending frames counter also when txing non-sta
- mac80211: minstrel: Change expected throughput unit back to Kbps
- mac80211: fix use of uninitialised values in RX aggregation
- mac80211: minstrel_ht: set default tx aggregation timeout to 0
- mac80211: minstrel_ht: fix a logic error in RTS/CTS handling
- mac80211: check PN correctly for GCMP-encrypted fragmented MPDUs
- mac80211: Fix Public Action frame RX in AP mode
- gpu: ipu-v3: Do not bail out on missing optional port nodes
- drm/amdgpu: Fix error handling in amdgpu_flip_work_func.
- drm/radeon: Fix error handling in radeon_flip_work_func.
- Revert "drm/radeon/pm: adjust display configuration after powerstate"
- userfaultfd: don't block on the last VM updates at exit time
- ovl: fix getcwd() failure after unsuccessful rmdir
- MIPS: Fix build error when SMP is used without GIC
- MIPS: smp.c: Fix uninitialised temp_foreign_map
- block: don't optimize for non-cloned bio in bio_get_last_bvec()
- target: Drop incorrect ABORT_TASK put for completed commands
- ld-version: Fix awk regex compile failure
- Linux 4.4.6
* linux fails to load x.509 built-in certificate (LP: #1557250)
- lib/mpi: Endianness fix
* s390/kconfig: setting for CONFIG...9P.... (LP: #1557994)
- [Config] CONFIG_NET_9P=m for s390x
* mlx5_core kernel trace after "ethtool -C eth1 adaptive-rx on" flow
(LP: #1557950)
- net/mlx5e: Don't try to modify CQ moderation if it is not supported
- net/mlx5e: Don't modify CQ before it was created
* [Feature]SD/SDIO/eMMC support for Broxton-P (LP: #1520454)
- mmc: sdhci: Do not BUG on invalid vdd
- mmc: enable MMC/SD/SDIO device to suspend/resume asynchronously
- mmc: It is not an error for the card to be removed while suspended
* s390/kconfig: disable CONFIG_VIRTIO_MMIO (LP: #1557689)
- [Config] CONFIG_VIRTIO_MMIO=n for s390x
* s390/kconfig: CONFIG_NUMA without CONFIG_NUMA_EMU does not make any sense
on s390x (LP: #1557690)
- [Config] CONFIG_NUMA_EMU=y for s390x
* Miscellaneous Ubuntu changes
- [Debian] git-ubuntu-log -- prevent bug references being split
- [Debian] git-ubuntu-log -- git log output is UTF-8
-- Tim Gardner <tim.gard...@canonical.com> Tue, 15 Mar 2016 13:18:58
-0600
** Changed in: linux (Ubuntu Xenial)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1557950
Title:
mlx5_core kernel trace after "ethtool -C eth1 adaptive-rx on" flow
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Fix Released
Bug description:
reproduce steps:
# ethtool -c eth1
Coalesce parameters for eth1:
Adaptive RX: off TX: off
# ethtool -C eth1 adaptive-rx on
# cat /etc/os-release
NAME="Ubuntu"
VERSION="16.04 (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/";
SUPPORT_URL="http://help.ubuntu.com/";
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/";
UBUNTU_CODENAME=xenial
# uname -a
Linux dev-h-vrt-006 4.4.0-11-generic #26-Ubuntu SMP Sat Mar 5 14:25:21 UTC
2016 x86_64 x86_64 x86_64 GNU/Linux
#dmesg
[174430.803529] mst_pci: module verification failed: signature and/or
required key missing - tainting kernel
[174453.001485] BUG: unable to handle kernel NULL pointer dereference at
(null)
[174453.001509] IP: [<ffffffffc0152c7e>] mlx5e_set_coalesce+0x6e/0x100
[mlx5_core]
[174453.001535] PGD 81a5c7067 PUD 81aa93067 PMD 0
[174453.001556] Oops: 0000 [#1] SMP
[174453.001571] Modules linked in: mst_pciconf(OE) mst_pci(OE) nfsv3 nfs_acl
rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace fscache mlx5_ib ib_core
ib_addr vfio_pci vfio_virqfd vfio_iommu_type1 vfio xt_CHECKSUM iptable_mangle
ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
nf_reject_ipv4 xt_tcpudp ebtable_filter ebtables ip6table_filter ip6_tables
iptable_filter ip_tables x_tables bridge stp llc x86_pkg_temp_thermal
intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul aesni_intel kvm_intel
aes_x86_64 ipmi_ssif lrw gf128mul glue_helper ablk_helper cryptd serio_raw kvm
sb_edac edac_core irqbypass hpilo ipmi_si 8250_fintek ioatdma ipmi_msghandler
acpi_power_meter mac_hid lpc_ich shpchp sunrpc autofs4 mlx4_en
[174453.001928] psmouse ixgbe dca vxlan pata_acpi ip6_udp_tunnel udp_tunnel
mdio hpsa mlx5_core tg3 scsi_transport_sas mlx4_core ptp pps_core wmi fjes
[174453.002011] CPU: 2 PID: 40824 Comm: ethtool Tainted: G OE
4.4.0-11-generic #26-Ubuntu
[174453.002026] Hardware name: HP ProLiant DL380p Gen8, BIOS P70 12/20/2013
[174453.002037] task: ffff8800bd919b80 ti: ffff880814d74000 task.ti:
ffff880814d74000
[174453.002072] RIP: 0010:[<ffffffffc0152c7e>] [<ffffffffc0152c7e>]
mlx5e_set_coalesce+0x6e/0x100 [mlx5_core]
[174453.002119] RSP: 0018:ffff880814d77c30 EFLAGS: 00010246
[174453.002141] RAX: 0000000000000000 RBX: ffff880816e00000 RCX:
0000000000000000
[174453.002176] RDX: 0000000000000000 RSI: ffff880814d77c74 RDI:
ffff880814e60000
[174453.002210] RBP: ffff880814d77c60 R08: ffffffff81e42520 R09:
ffffffffff000000
[174453.002245] R10: 0000000000000533 R11: 0000000000000246 R12:
ffff880814d77c74
[174453.002280] R13: ffff880814e60000 R14: 0000000000000000 R15:
ffff880814e60000
[174453.002316] FS: 00007f7e927f7700(0000) GS:ffff88081f680000(0000)
knlGS:0000000000000000
[174453.002352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[174453.002374] CR2: 0000000000000000 CR3: 0000000818365000 CR4:
00000000001406e0
[174453.002409] Stack:
[174453.002427] 0000000017a4b290 ffff880814e60000 0000000600114bb3
000000000000000f
[174453.002476] 0000000000008946 ffff880814e60000 ffff880814d77ce0
ffffffff8171784a
[174453.002525] 0000000f00000010 0000002000000010 0000000000000000
0000002000000010
[174453.002574] Call Trace:
[174453.002597] [<ffffffff8171784a>] ethtool_set_coalesce+0x5a/0x80
[174453.002621] [<ffffffff81719928>] dev_ethtool+0xe78/0x1d70
[174453.002645] [<ffffffff8119a76b>] ? page_cache_async_readahead+0x6b/0x70
[174453.002670] [<ffffffff811c9505>] ? page_add_file_rmap+0x25/0x60
[174453.002694] [<ffffffff81727c95>] ? __rtnl_unlock+0x15/0x20
[174453.002717] [<ffffffff81717141>] ? netdev_run_todo+0x61/0x320
[174453.002741] [<ffffffff8172bf02>] dev_ioctl+0x182/0x580
[174453.002765] [<ffffffff816f3e12>] sock_do_ioctl+0x42/0x50
[174453.002788] [<ffffffff816f4312>] sock_ioctl+0x1d2/0x290
[174453.002811] [<ffffffff8121e3ef>] do_vfs_ioctl+0x29f/0x490
[174453.003136] [<ffffffff8106a554>] ? __do_page_fault+0x1b4/0x400
[174453.003161] [<ffffffff81228c35>] ? fd_install+0x25/0x30
[174453.003183] [<ffffffff8121e659>] SyS_ioctl+0x79/0x90
[174453.003208] [<ffffffff8181c832>] entry_SYSCALL_64_fastpath+0x16/0x71
[174453.003231] Code: 66 89 87 36 66 00 00 8b 46 08 66 89 87 38 66 00 00 0f
84 91 00 00 00 49 89 fd 49 89 f4 48 63 45 d4 49 8b 95 00 13 00 00 45 31 f6 <4c>
8b 3c c2 41 80 bf dc 18 00 00 00 74 3d 49 63 c6 41 0f b7 4c
[174453.003564] RIP [<ffffffffc0152c7e>] mlx5e_set_coalesce+0x6e/0x100
[mlx5_core]
[174453.003607] RSP <ffff880814d77c30>
[174453.003626] CR2: 0000000000000000
[174453.004055] ---[ end trace 8466dfbb422a27d8 ]---
Fix upstream commits
7524a5d88b94afef8397a79f1e664af5b7052c22 net/mlx5e: Don't modify CQ before it
was created
2fcb92fbd04eef26dfe7e67839da6262d83d6b65 net/mlx5e: Don't try to modify CQ
moderation if it is not supported
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