This bug was fixed in the package linux - 4.4.0-143.169
---------------
linux (4.4.0-143.169) xenial; urgency=medium
* linux: 4.4.0-143.169 -proposed tracker (LP: #1814647)
* x86/kvm: Backport fixup and missing commits (LP: #1811646)
- KVM: x86: avoid vmalloc(0) in the KVM_SET_CPUID
- kvm: nVMX: VMCLEAR an active shadow VMCS after last use
- X86/nVMX: Properly set spec_ctrl and pred_cmd before merging MSRs
- KVM/VMX: Optimize vmx_vcpu_run() and svm_vcpu_run() by marking the RDMSR
path as unlikely()
- kvm: x86: IA32_ARCH_CAPABILITIES is always supported
- KVM: SVM: Add MSR-based feature support for serializing LFENCE
- KVM: X86: Allow userspace to define the microcode version
- KVM: x86: SVM: Call x86_spec_ctrl_set_guest/host() with interrupts
disabled
- KVM: VMX: fixes for vmentry_l1d_flush module parameter
- kvm: svm: Ensure an IBPB on all affected CPUs when freeing a vmcb
- kvm: vmx: Scrub hardware GPRs at VM-exit
- SAUCE: [Fix] x86/KVM/VMX: Add L1D flush logic
- SAUCE: KVM: Move code fragments, cleanup and re-indent
* linux-buildinfo: pull out ABI information into its own package
(LP: #1806380)
- [Packaging] limit preparation to linux-libc-dev in headers
- [Packaging] commonise debhelper invocation
- [Packaging] ABI -- accumulate abi information at the end of the build
- [Packaging] buildinfo -- add basic build information
- [Packaging] buildinfo -- add firmware information to the flavour ABI
- [Packaging] buildinfo -- add compiler information to the flavour ABI
- [Packaging] buildinfo -- add buildinfo support to getabis
- [Config] buildinfo -- add retpoline version markers
- [Packaging] getabis -- handle all known package combinations
- [Packaging] getabis -- support parsing a simple version
* signing: only install a signed kernel (LP: #1764794)
- [Packaging] update to Debian like control scripts
- [Packaging] switch to triggers for postinst.d postrm.d handling
- [Packaging] signing -- switch to raw-signing tarballs
- [Packaging] signing -- switch to linux-image as signed when available
- [Packaging] printenv -- add signing options
- [Packaging] fix invocation of header postinst hooks
- [Packaging] signing -- add support for signing Opal kernel binaries
- [Debian] Use src_pkg_name when constructing udeb control files
- [Debian] Dynamically determine linux udebs package name
- [Packaging] handle both linux-lts* and linux-hwe* as backports
- [Config] linux-source-* is in the primary linux namespace
- [Packaging] lookup the upstream tag
- [Packaging] zfs/spl -- enhance provides information
- [Packaging] switch up to debhelper 9
- [Packaging] autopkgtest -- disable d-i when dropping flavours
- [debian] support for ship_extras_package=false
- [Debian] do_common_tools should always be on
- [debian] do not force do_tools_common
- [Packaging] Add linux-tools-host package for VM host tools
- [Packaging] signing should be conditional
- [Packaging] skip cloud tools packaging when not building package
- [Packaging] add acpidbg
- [debian] prep linux-libc-dev only if do_libc_dev_package=true
- [Packaging] Only install cloud init files when do_tools_common=true
* Redpine: Driver crash with network-manager 1.10 and above (LP: #1813869)
- SAUCE: Redpine: enhancement for MAC spoofing to avoid kernel crash
* Guests using IBRS incur a large performance penalty (LP: #1764956)
- SAUCE: Restore the IBRS host state on VMEXIT
* Xenial update: 4.4.170 upstream stable release (LP: #1811647)
- USB: hso: Fix OOB memory access in hso_probe/hso_get_config_data
- xhci: Don't prevent USB2 bus suspend in state check intended for USB3 only
- USB: serial: option: add GosunCn ZTE WeLink ME3630
- USB: serial: option: add HP lt4132
- USB: serial: option: add Simcom SIM7500/SIM7600 (MBIM mode)
- USB: serial: option: add Fibocom NL668 series
- USB: serial: option: add Telit LN940 series
- mmc: core: Reset HPI enabled state during re-init and in case of errors
- mmc: omap_hsmmc: fix DMA API warning
- gpio: max7301: fix driver for use with CONFIG_VMAP_STACK
- Drivers: hv: vmbus: Return -EINVAL for the sys files for unopened channels
- x86/mtrr: Don't copy uninitialized gentry fields back to userspace
- drm/ioctl: Fix Spectre v1 vulnerabilities
- ip6mr: Fix potential Spectre v1 vulnerability
- ipv4: Fix potential Spectre v1 vulnerability
- ax25: fix a use-after-free in ax25_fillin_cb()
- ibmveth: fix DMA unmap error in ibmveth_xmit_start error path
- ieee802154: lowpan_header_create check must check daddr
- ipv6: explicitly initialize udp6_addr in udp_sock_create6()
- isdn: fix kernel-infoleak in capi_unlocked_ioctl
- netrom: fix locking in nr_find_socket()
- packet: validate address length
- packet: validate address length if non-zero
- sctp: initialize sin6_flowinfo for ipv6 addrs in sctp_inet6addr_event
- vhost: make sure used idx is seen before log in vhost_add_used_n()
- VSOCK: Send reset control packet when socket is partially bound
- xen/netfront: tolerate frags with no data
- gro_cell: add napi_disable in gro_cells_destroy
- sock: Make sock->sk_stamp thread-safe
- ALSA: rme9652: Fix potential Spectre v1 vulnerability
- ALSA: emu10k1: Fix potential Spectre v1 vulnerabilities
- ALSA: pcm: Fix potential Spectre v1 vulnerability
- ALSA: emux: Fix potential Spectre v1 vulnerabilities
- ALSA: hda: add mute LED support for HP EliteBook 840 G4
- ALSA: hda/tegra: clear pending irq handlers
- USB: serial: pl2303: add ids for Hewlett-Packard HP POS pole displays
- USB: serial: option: add Fibocom NL678 series
- usb: r8a66597: Fix a possible concurrency use-after-free bug in
r8a66597_endpoint_disable()
- Input: elan_i2c - add ACPI ID for touchpad in ASUS Aspire F5-573G
- KVM: x86: Use jmp to invoke kvm_spurious_fault() from .fixup
- perf pmu: Suppress potential format-truncation warning
- ext4: fix possible use after free in ext4_quota_enable
- ext4: missing unlock/put_page() in ext4_try_to_write_inline_data()
- ext4: fix EXT4_IOC_GROUP_ADD ioctl
- ext4: force inode writes when nfsd calls commit_metadata()
- spi: bcm2835: Fix race on DMA termination
- spi: bcm2835: Fix book-keeping of DMA termination
- spi: bcm2835: Avoid finishing transfer prematurely in IRQ mode
- cdc-acm: fix abnormal DATA RX issue for Mediatek Preloader.
- media: vivid: free bitmap_cap when updating std/timings/etc.
- MIPS: Ensure pmd_present() returns false after pmd_mknotpresent()
- MIPS: Align kernel load address to 64KB
- CIFS: Fix error mapping for SMB2_LOCK command which caused OFD lock
problem
- x86/kvm/vmx: do not use vm-exit instruction length for fast MMIO when
running nested
- spi: bcm2835: Unbreak the build of esoteric configs
- powerpc: Fix COFF zImage booting on old powermacs
- ARM: imx: update the cpu power up timing setting on i.mx6sx
- Input: restore EV_ABS ABS_RESERVED
- checkstack.pl: fix for aarch64
- xfrm: Fix bucket count reported to userspace
- scsi: bnx2fc: Fix NULL dereference in error handling
- Input: omap-keypad - fix idle configuration to not block SoC idle states
- scsi: zfcp: fix posting too many status read buffers leading to adapter
shutdown
- hwpoison, memory_hotplug: allow hwpoisoned pages to be offlined
- mm, devm_memremap_pages: mark devm_memremap_pages() EXPORT_SYMBOL_GPL
- mm, devm_memremap_pages: kill mapping "System RAM" support
- sunrpc: fix cache_head leak due to queued request
- sunrpc: use SVC_NET() in svcauth_gss_* functions
- crypto: x86/chacha20 - avoid sleeping with preemption disabled
- ALSA: cs46xx: Potential NULL dereference in probe
- ALSA: usb-audio: Avoid access before bLength check in
build_audio_procunit()
- ALSA: usb-audio: Fix an out-of-bound read in create_composite_quirks
- dlm: fixed memory leaks after failed ls_remove_names allocation
- dlm: possible memory leak on error path in create_lkb()
- dlm: lost put_lkb on error path in receive_convert() and receive_unlock()
- dlm: memory leaks on error path in dlm_user_request()
- gfs2: Fix loop in gfs2_rbm_find
- b43: Fix error in cordic routine
- 9p/net: put a lower bound on msize
- iommu/vt-d: Handle domain agaw being less than iommu agaw
- ceph: don't update importing cap's mseq when handing cap export
- genwqe: Fix size check
- intel_th: msu: Fix an off-by-one in attribute store
- power: supply: olpc_battery: correct the temperature units
- Linux 4.4.170
* Xenial update: 4.4.169 upstream stable release (LP: #1811252)
- lib/interval_tree_test.c: make test options module parameters
- lib/interval_tree_test.c: allow full tree search
- lib/rbtree_test.c: make input module parameters
- lib/rbtree-test: lower default params
- lib/interval_tree_test.c: allow users to limit scope of endpoint
- timer/debug: Change /proc/timer_list from 0444 to 0400
- powerpc/boot: Fix random libfdt related build errors
- pinctrl: sunxi: a83t: Fix IRQ offset typo for PH11
- aio: fix spectre gadget in lookup_ioctx
- MMC: OMAP: fix broken MMC on OMAP15XX/OMAP5910/OMAP310
- tracing: Fix memory leak in set_trigger_filter()
- tracing: Fix memory leak of instance function hash filters
- powerpc/msi: Fix NULL pointer access in teardown code
- Revert "drm/rockchip: Allow driver to be shutdown on reboot/kexec"
- f2fs: fix a panic caused by NULL flush_cmd_control
- mac80211: don't WARN on bad WMM parameters from buggy APs
- mac80211: Fix condition validating WMM IE
- mac80211_hwsim: fix module init error paths for netlink
- scsi: libiscsi: Fix NULL pointer dereference in iscsi_eh_session_reset
- scsi: vmw_pscsi: Rearrange code to avoid multiple calls to free_irq during
unload
- x86/earlyprintk/efi: Fix infinite loop on some screen widths
- drm/msm: Grab a vblank reference when waiting for commit_done
- ARC: io.h: Implement reads{x}()/writes{x}()
- bonding: fix 802.3ad state sent to partner when unbinding slave
- SUNRPC: Fix a potential race in xprt_connect()
- sbus: char: add of_node_put()
- drivers/sbus/char: add of_node_put()
- drivers/tty: add missing of_node_put()
- ide: pmac: add of_node_put()
- clk: mmp: Off by one in mmp_clk_add()
- Input: omap-keypad - fix keyboard debounce configuration
- libata: whitelist all SAMSUNG MZ7KM* solid-state disks
- mv88e6060: disable hardware level MAC learning
- ARM: 8814/1: mm: improve/fix ARM v7_dma_inv_range() unaligned address
handling
- cifs: In Kconfig CONFIG_CIFS_POSIX needs depends on legacy (insecure cifs)
- [Config] Remove CONFIG_CIFS_POSIX=y
- i2c: axxia: properly handle master timeout
- i2c: scmi: Fix probe error on devices with an empty SMB0001 ACPI device
node
- rtc: snvs: add a missing write sync
- rtc: snvs: Add timeouts to avoid kernel lockups
- ALSA: isa/wavefront: prevent some out of bound writes
- Linux 4.4.169
* Xenial update: 4.4.168 upstream stable release (LP: #1811080)
- ipv6: Check available headroom in ip6_xmit() even without options
- net: 8139cp: fix a BUG triggered by changing mtu with network traffic
- net: phy: don't allow __set_phy_supported to add unsupported modes
- net: Prevent invalid access to skb->prev in __qdisc_drop_all
- rtnetlink: ndo_dflt_fdb_dump() only work for ARPHRD_ETHER devices
- tcp: fix NULL ref in tail loss probe
- tun: forbid iface creation with rtnl ops
- neighbour: Avoid writing before skb->head in neigh_hh_output()
- ARM: OMAP2+: prm44xx: Fix section annotation on
omap44xx_prm_enable_io_wakeup
- ARM: OMAP1: ams-delta: Fix possible use of uninitialized field
- sysv: return 'err' instead of 0 in __sysv_write_inode
- s390/cpum_cf: Reject request for sampling in event initialization
- hwmon: (ina2xx) Fix current value calculation
- ASoC: dapm: Recalculate audio map forcely when card instantiated
- hwmon: (w83795) temp4_type has writable permission
- Btrfs: send, fix infinite loop due to directory rename dependencies
- ASoC: omap-mcpdm: Add pm_qos handling to avoid under/overruns with
CPU_IDLE
- ASoC: omap-dmic: Add pm_qos handling to avoid overruns with CPU_IDLE
- exportfs: do not read dentry after free
- bpf: fix check of allowed specifiers in bpf_trace_printk
- USB: omap_udc: use devm_request_irq()
- USB: omap_udc: fix crashes on probe error and module removal
- USB: omap_udc: fix omap_udc_start() on 15xx machines
- USB: omap_udc: fix USB gadget functionality on Palm Tungsten E
- KVM: x86: fix empty-body warnings
- net: thunderx: fix NULL pointer dereference in nic_remove
- ixgbe: recognize 1000BaseLX SFP modules as 1Gbps
- net: hisilicon: remove unexpected free_netdev
- drm/ast: fixed reading monitor EDID not stable issue
- xen: xlate_mmu: add missing header to fix 'W=1' warning
- fscache: fix race between enablement and dropping of object
- fscache, cachefiles: remove redundant variable 'cache'
- ocfs2: fix deadlock caused by ocfs2_defrag_extent()
- hfs: do not free node before using
- hfsplus: do not free node before using
- debugobjects: avoid recursive calls with kmemleak
- ocfs2: fix potential use after free
- pstore: Convert console write to use ->write_buf
- ALSA: pcm: remove SNDRV_PCM_IOCTL1_INFO internal command
- KVM: nVMX: fix msr bitmaps to prevent L2 from accessing L0 x2APIC
- KVM: nVMX: mark vmcs12 pages dirty on L2 exit
- KVM: nVMX: Eliminate vmcs02 pool
- KVM: VMX: introduce alloc_loaded_vmcs
- KVM: VMX: make MSR bitmaps per-VCPU
- KVM/x86: Add IBPB support
- KVM/VMX: Allow direct access to MSR_IA32_SPEC_CTRL
- KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL
- KVM/x86: Remove indirect MSR op calls from SPEC_CTRL
- x86/uaccess: Use __uaccess_begin_nospec() and uaccess_try_nospec
- KVM: SVM: Implement VIRT_SPEC_CTRL support for SSBD
- bpf: support 8-byte metafield access
- bpf/verifier: Add spi variable to check_stack_write()
- bpf/verifier: Pass instruction index to check_mem_access() and
check_xadd()
- bpf: Prevent memory disambiguation attack
- wil6210: missing length check in wmi_set_ie
- mm/hugetlb.c: don't call region_abort if region_chg fails
- hugetlbfs: fix offset overflow in hugetlbfs mmap
- hugetlbfs: check for pgoff value overflow
- hugetlbfs: fix bug in pgoff overflow checking
- swiotlb: clean up reporting
- sr: pass down correctly sized SCSI sense buffer
- mm: remove write/force parameters from __get_user_pages_locked()
- mm: remove write/force parameters from __get_user_pages_unlocked()
- mm/nommu.c: Switch __get_user_pages_unlocked() to use __get_user_pages()
- mm: replace get_user_pages_unlocked() write/force parameters with
gup_flags
- mm: replace get_user_pages_locked() write/force parameters with gup_flags
- mm: replace get_vaddr_frames() write/force parameters with gup_flags
- mm: replace get_user_pages() write/force parameters with gup_flags
- mm: replace __access_remote_vm() write parameter with gup_flags
- mm: replace access_remote_vm() write parameter with gup_flags
- proc: don't use FOLL_FORCE for reading cmdline and environment
- proc: do not access cmdline nor environ from file-backed areas
- media: dvb-frontends: fix i2c access helpers for KASAN
- matroxfb: fix size of memcpy
- staging: speakup: Replace strncpy with memcpy
- rocker: fix rocker_tlv_put_* functions for KASAN
- selftests: Move networking/timestamping from Documentation
- Linux 4.4.168
* kernel oops in bcache module (LP: #1793901)
- SAUCE: bcache: never writeback a discard operation
* Userspace break as a result of missing patch backport (LP: #1813873)
- tty: Don't hold ldisc lock in tty_reopen() if ldisc present
* CVE-2019-6133
- fork: record start_time late
* Crash on "ip link add foo type ipip" (LP: #1811803)
- SAUCE: fan: Fix NULL pointer dereference
-- Juerg Haefliger <jue...@canonical.com> Wed, 06 Feb 2019 10:39:59
+0000
** Changed in: linux (Ubuntu Xenial)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1793901
Title:
kernel oops in bcache module
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Trusty:
Fix Released
Status in linux source package in Xenial:
Fix Released
Status in linux source package in Bionic:
Fix Released
Status in linux source package in Cosmic:
Fix Released
Bug description:
SRU Justification
=================
[Impact]
Some users see panics like the following when performing fstrim on a
bcached volume:
[ 529.803060] BUG: unable to handle kernel NULL pointer dereference at
0000000000000008
[ 530.183928] #PF error: [normal kernel read fault]
[ 530.412392] PGD 8000001f42163067 P4D 8000001f42163067 PUD 1f42168067 PMD 0
[ 530.750887] Oops: 0000 [#1] SMP PTI
[ 530.920869] CPU: 10 PID: 4167 Comm: fstrim Kdump: loaded Not tainted
5.0.0-rc1+ #3
[ 531.290204] Hardware name: HP ProLiant DL360 Gen9/ProLiant DL360 Gen9,
BIOS P89 12/27/2015
[ 531.693137] RIP: 0010:blk_queue_split+0x148/0x620
[ 531.922205] Code: 60 38 89 55 a0 45 31 db 45 31 f6 45 31 c9 31 ff 89 4d 98
85 db 0f 84 7f 04 00 00 44 8b 6d 98 4c 89 ee 48 c1 e6 04 49 03 70 78 <8b> 46 08
44 8b 56 0c 48
8b 16 44 29 e0 39 d8 48 89 55 a8 0f 47 c3
[ 532.838634] RSP: 0018:ffffb9b708df39b0 EFLAGS: 00010246
[ 533.093571] RAX: 00000000ffffffff RBX: 0000000000046000 RCX:
0000000000000000
[ 533.441865] RDX: 0000000000000200 RSI: 0000000000000000 RDI:
0000000000000000
[ 533.789922] RBP: ffffb9b708df3a48 R08: ffff940d3b3fdd20 R09:
0000000000000000
[ 534.137512] R10: ffffb9b708df3958 R11: 0000000000000000 R12:
0000000000000000
[ 534.485329] R13: 0000000000000000 R14: 0000000000000000 R15:
ffff940d39212020
[ 534.833319] FS: 00007efec26e3840(0000) GS:ffff940d1f480000(0000)
knlGS:0000000000000000
[ 535.224098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 535.504318] CR2: 0000000000000008 CR3: 0000001f4e256004 CR4:
00000000001606e0
[ 535.851759] Call Trace:
[ 535.970308] ? mempool_alloc_slab+0x15/0x20
[ 536.174152] ? bch_data_insert+0x42/0xd0 [bcache]
[ 536.403399] blk_mq_make_request+0x97/0x4f0
[ 536.607036] generic_make_request+0x1e2/0x410
[ 536.819164] submit_bio+0x73/0x150
[ 536.980168] ? submit_bio+0x73/0x150
[ 537.149731] ? bio_associate_blkg_from_css+0x3b/0x60
[ 537.391595] ? _cond_resched+0x1a/0x50
[ 537.573774] submit_bio_wait+0x59/0x90
[ 537.756105] blkdev_issue_discard+0x80/0xd0
[ 537.959590] ext4_trim_fs+0x4a9/0x9e0
[ 538.137636] ? ext4_trim_fs+0x4a9/0x9e0
[ 538.324087] ext4_ioctl+0xea4/0x1530
[ 538.497712] ? _copy_to_user+0x2a/0x40
[ 538.679632] do_vfs_ioctl+0xa6/0x600
[ 538.853127] ? __do_sys_newfstat+0x44/0x70
[ 539.051951] ksys_ioctl+0x6d/0x80
[ 539.212785] __x64_sys_ioctl+0x1a/0x20
[ 539.394918] do_syscall_64+0x5a/0x110
[ 539.568674] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[Fix]
Under certain conditions, the test for whether an operation should be
written back to the underlying device was incorrect. Specifically, in
should_writeback(), we were hitting a case where an optimisation for
partial stripe conditions was returning true and so should_writeback()
was returning true early. This caused the code to go down an incorrect
path and create bios that contained NULL pointers.
To fix this issue, make sure that should_writeback() on a discard op
never returns true.
[Test Case]
We have observed it on some systems where both:
1) LVM/devmapper is involved (bcache backing device is LVM volume) and
2) writeback cache is involved (bcache cache_mode is writeback)
Not every machine exhibits the bug. On one machine that does exhibit
the bug, we can reliably reproduce it with:
# echo writeback > /sys/block/bcache0/bcache/cache_mode
# mount /dev/bcache0 /test
# for i in {0..10}; do file="$(mktemp /test/zero.XXX)"; dd if=/dev/zero
of="$file" bs=1M count=256; sync; rm $file; done; fstrim -v /test
[Regression Potential]
This could affect any device where bcache is used.
In mitigation, however: the patch is simple, is limited to considering
discard operations. The patch has been accepted upstream [1] and the
maintainer will be including it in SuSE kernels [2]. A Gentoo user
validated the upstream patch independently [3].
[1] https://www.spinics.net/lists/linux-bcache/msg06997.html
[2] https://www.spinics.net/lists/linux-bcache/msg06998.html
[3] https://bugzilla.kernel.org/show_bug.cgi?id=196103#c3
[Original Description]
This was on an 18.04.1 install running the 4.15-34 generic kernel image,
running from a normal ext4 root device.
I had just a short while before created a new bcache device that was mounted
but to which no data had been written yet. Then without any apparent particular
reason, an apport error popped up to inform of a bcache kernel oops. Crash log
was uploaded but no idea how to link it, so I attach it as well.
Mostly I would like to know how concerned I should be as after a previous,
successful test I wanted to move the whole install to bcache. Ideally, if this
is a bug or similar, it would be nice if it could get fixed.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-34-generic 4.15.0-34.37
ProcVersionSignature: Ubuntu 4.15.0-34.37-generic 4.15.18
Uname: Linux 4.15.0-34-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset
nvidia
ApportVersion: 2.20.9-0ubuntu7.3
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Sep 22 18:20:22 2018
HibernationDevice: RESUME=UUID=6bcbe7fa-85b7-4baf-9b69-0558a668bcdd
InstallationDate: Installed on 2014-07-29 (1515 days ago)
InstallationMedia: It
IwConfig:
zthnhe3w6d no wireless extensions.
eth1 no wireless extensions.
lo no wireless extensions.
MachineType: System manufacturer System Product Name
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-34-generic
root=UUID=ebbab625-f14e-44ba-84d5-025ed92a5b2a ro quiet splash
RelatedPackageVersions:
linux-restricted-modules-4.15.0-34-generic N/A
linux-backports-modules-4.15.0-34-generic N/A
linux-firmware 1.173.1
RfKill:
0: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to bionic on 2018-09-07 (15 days ago)
dmi.bios.date: 10/22/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0604
dmi.board.asset.tag: Default string
dmi.board.name: H170I-PLUS D3
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0604:bd10/22/2015:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170I-PLUSD3:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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