This bug was fixed in the package linux - 4.18.0-16.17
---------------
linux (4.18.0-16.17) cosmic; urgency=medium
* linux: 4.18.0-16.17 -proposed tracker (LP: #1814749)
* Packaging resync (LP: #1786013)
- [Packaging] update helper scripts
* CVE-2018-16880
- vhost: fix OOB in get_rx_bufs()
* RTL8822BE WiFi Disabled in Kernel 4.18.0-12 (LP: #1806472)
- SAUCE: staging: rtlwifi: allow RTLWIFI_DEBUG_ST to be disabled
- [Config] CONFIG_RTLWIFI_DEBUG_ST=n
- SAUCE: Add r8822be to signature inclusion list
* kernel oops in bcache module (LP: #1793901)
- SAUCE: bcache: never writeback a discard operation
* CVE-2018-18397
- userfaultfd: use ENOENT instead of EFAULT if the atomic copy user fails
- userfaultfd: shmem: allocate anonymous memory for MAP_PRIVATE shmem
- userfaultfd: shmem/hugetlbfs: only allow to register VM_MAYWRITE vmas
- userfaultfd: shmem: add i_size checks
- userfaultfd: shmem: UFFDIO_COPY: set the page dirty if VM_WRITE is not set
* Ignore "incomplete report" from Elan touchpanels (LP: #1813733)
- HID: i2c-hid: Ignore input report if there's no data present on Elan
touchpanels
* Vsock connect fails with ENODEV for large CID (LP: #1813934)
- vhost/vsock: fix vhost vsock cid hashing inconsistent
* Fix non-working pinctrl-intel (LP: #1811777)
- pinctrl: intel: Do pin translation in other GPIO operations as well
* ip6_gre: fix tunnel list corruption for x-netns (LP: #1812875)
- ip6_gre: fix tunnel list corruption for x-netns
* Backported commit breaks audio (fixed upstream) (LP: #1811566)
- ASoC: intel: cht_bsw_max98090_ti: Add quirk for boards using pmc_plt_clk_0
- ASoC: intel: cht_bsw_max98090_ti: Add pmc_plt_clk_0 quirk for Chromebook
Clapper
- ASoC: intel: cht_bsw_max98090_ti: Add pmc_plt_clk_0 quirk for Chromebook
Gnawty
* kvm_stat : missing python dependency (LP: #1798776)
- tools/kvm_stat: switch to python3
* [SRU] Fix Xorg crash with nomodeset when BIOS enable 64-bit fb addr
(LP: #1812797)
- vgaarb: Add support for 64-bit frame buffer address
- vgaarb: Keep adding VGA device in queue
* Fix non-working QCA Rome Bluetooth after S3 (LP: #1812812)
- USB: Add new USB LPM helpers
- USB: Consolidate LPM checks to avoid enabling LPM twice
* [SRU] IO's are issued with incorrect Scatter Gather Buffer (LP: #1795453)
- scsi: megaraid_sas: Use 63-bit DMA addressing
* x86/mm: Found insecure W+X mapping at address (ptrval)/0xc00a0000
(LP: #1813532)
- x86/mm: Do not warn about PCI BIOS W+X mappings
* CVE-2019-6133
- fork: record start_time late
* Fix not working Goodix touchpad (LP: #1811929)
- HID: i2c-hid: Disable runtime PM on Goodix touchpad
* bluetooth controller not detected with 4.15 kernel (LP: #1810797)
- SAUCE: btqcomsmd: introduce BT_QCOMSMD_HACK
- [Config] arm64: snapdragon: BT_QCOMSMD_HACK=y
* X1 Extreme: only one of the two SSDs is loaded (LP: #1811755)
- nvme-core: rework a NQN copying operation
- nvme: pad fake subsys NQN vid and ssvid with zeros
- nvme: introduce NVME_QUIRK_IGNORE_DEV_SUBNQN
* Crash on "ip link add foo type ipip" (LP: #1811803)
- SAUCE: fan: Fix NULL pointer dereference
-- Stefan Bader <stefan.ba...@canonical.com> Thu, 07 Feb 2019 23:23:02
+0100
** Changed in: linux (Ubuntu Cosmic)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-16880
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https://bugs.launchpad.net/bugs/1806472
Title:
RTL8822BE WiFi Disabled in Kernel 4.18.0-12
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Status in linux source package in Cosmic:
Fix Released
Status in linux source package in Disco:
Fix Released
Bug description:
===SRU Justification===
[Impact]
Realtek 8822be doesn't work under kernel lockdown.
[Fix]
Add r8822be.ko to signature-inclusion, so it can be signed and be loaded
when lockdown is enabled.
[Test]
Since I can't signed the kernel so it's not tested.
[Regression Potential]
Low. The driver is maintained by a Realtek guy, so bugs are actually
getting fixed.
===Original Bug Report===
Received kernel patch 4.18.0-12 today on my machine. On reboot my WiFi
appears to be unavailable.
lspci still recognises the installed RTL8822BE card and a reboot back to the
previous kernel version (4.18.0-11) seems to resolve the problem.
We tried some debugging in the IRC channel and didn't get very far.
The r8822be module alias is intact, trying to modprobe it or insert
results in a "operation not permitted" error. Modprobing mac80211 and
cfg80211 which r8822be depends on did not seem to help.
KMod Lists for -12 and -11 kernels:
https://paste.ubuntu.com/p/pwx5mKszVt/
`ls -latr /lib/modules/4.18.0-12-*/ ; grep -i B822
/lib/modules/4.18.0-12-*/modules.alias` :
https://paste.ubuntu.com/p/5zcCbXyM5g/
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: linux-image-4.18.0-11-generic 4.18.0-11.12
ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
Uname: Linux 4.18.0-11-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: callum 2989 F.... pulseaudio
/dev/snd/controlC0: callum 2989 F.... pulseaudio
CurrentDesktop: KDE
Date: Mon Dec 3 19:27:16 2018
InstallationDate: Installed on 2018-11-10 (22 days ago)
InstallationMedia: Kubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
(20181017.2)
MachineType: LENOVO 90H90015UK
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-11-generic
root=UUID=d5f81e09-382c-4759-8a6d-2503fe6959b4 ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.18.0-11-generic N/A
linux-backports-modules-4.18.0-11-generic N/A
linux-firmware 1.175.1
SourcePackage: linux
StagingDrivers: r8822be
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/15/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: O3FKT26A
dmi.board.name: 36E1
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709 WIN 3259620440547
dmi.chassis.type: 3
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrO3FKT26A:bd06/15/2018:svnLENOVO:pn90H90015UK:pvrLegionY720T-34ASU:rvnLENOVO:rn36E1:rvrSDK0J40709WIN3259620440547:cvnLENOVO:ct3:cvrNone:
dmi.product.family: Legion Y720T-34ASU
dmi.product.name: 90H90015UK
dmi.product.sku: LENOVO_MT_90H9_BU_LENOVO_FM_Legion Y720T-34ASU
dmi.product.version: Legion Y720T-34ASU
dmi.sys.vendor: LENOVO
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