[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 5.4.0-42.46

---
linux (5.4.0-42.46) focal; urgency=medium

  * focal/linux: 5.4.0-42.46 -proposed tracker (LP: #1887069)

  * linux 4.15.0-109-generic network DoS regression vs -108 (LP: #1886668)
- SAUCE: Revert "netprio_cgroup: Fix unlimited memory leak of v2 cgroups"

linux (5.4.0-41.45) focal; urgency=medium

  * focal/linux: 5.4.0-41.45 -proposed tracker (LP: #1885855)

  * Packaging resync (LP: #1786013)
- update dkms package versions

  * CVE-2019-19642
- kernel/relay.c: handle alloc_percpu returning NULL in relay_open

  * CVE-2019-16089
- SAUCE: nbd_genl_status: null check for nla_nest_start

  * CVE-2020-11935
- aufs: do not call i_readcount_inc()

  * ip_defrag.sh in net from ubuntu_kernel_selftests failed with 5.0 / 5.3 / 5.4
kernel (LP: #1826848)
- selftests: net: ip_defrag: ignore EPERM

  * Update lockdown patches (LP: #1884159)
- SAUCE: acpi: disallow loading configfs acpi tables when locked down

  * seccomp_bpf fails on powerpc (LP: #1885757)
- SAUCE: selftests/seccomp: fix ptrace tests on powerpc

  * Introduce the new NVIDIA 418-server and 440-server series, and update the
current NVIDIA drivers (LP: #1881137)
- [packaging] add signed modules for the 418-server and the 440-server
  flavours

 -- Khalid Elmously   Thu, 09 Jul 2020
19:50:26 -0400

** Changed in: linux (Ubuntu Groovy)
   Status: Confirmed => Fix Released

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-11935

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https://bugs.launchpad.net/bugs/1878296

Title:
  rtl8723bu wifi issue after being turned off

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 5.3.0-62.56

---
linux (5.3.0-62.56) eoan; urgency=medium

  * CVE-2020-0543
- UBUNTU/SAUCE: x86/speculation/srbds: do not try to turn mitigation off 
when
  not supported

  * Packaging resync (LP: #1786013)
- [Packaging] update helper scripts

  * Eoan update: upstream stable patchset 2020-06-05 (LP: #1882303)
- i2c: dev: Fix the race between the release of i2c_dev and cdev
- KVM: SVM: Fix potential memory leak in svm_cpu_init()
- ima: Set file->f_mode instead of file->f_flags in ima_calc_file_hash()
- evm: Check also if *tfm is an error pointer in init_desc()
- ima: Fix return value of ima_write_policy()
- mtd: spinand: Propagate ECC information to the MTD structure
- fix multiplication overflow in copy_fdtable()
- ubifs: remove broken lazytime support
- iommu/amd: Fix over-read of ACPI UID from IVRS table
- i2c: mux: demux-pinctrl: Fix an error handling path in
  'i2c_demux_pinctrl_probe()'
- ubi: Fix seq_file usage in detailed_erase_block_info debugfs file
- gcc-common.h: Update for GCC 10
- HID: multitouch: add eGalaxTouch P80H84 support
- HID: alps: Add AUI1657 device ID
- HID: alps: ALPS_1657 is too specific; use U1_UNICORN_LEGACY instead
- scsi: qla2xxx: Fix hang when issuing nvme disconnect-all in NPIV
- scsi: qla2xxx: Delete all sessions before unregister local nvme port
- configfs: fix config_item refcnt leak in configfs_rmdir()
- vhost/vsock: fix packet delivery order to monitoring devices
- aquantia: Fix the media type of AQC100 ethernet controller in the driver
- component: Silence bind error on -EPROBE_DEFER
- scsi: ibmvscsi: Fix WARN_ON during event pool release
- HID: i2c-hid: reset Synaptics SYNA2393 on resume
- x86/apic: Move TSC deadline timer debug printk
- gtp: set NLM_F_MULTI flag in gtp_genl_dump_pdp()
- HID: quirks: Add HID_QUIRK_NO_INIT_REPORTS quirk for Dell K12A 
keyboard-dock
- ceph: fix double unlock in handle_cap_export()
- stmmac: fix pointer check after utilization in stmmac_interrupt
- USB: core: Fix misleading driver bug report
- platform/x86: asus-nb-wmi: Do not load on Asus T100TA and T200TA
- ARM: futex: Address build warning
- padata: Replace delayed timer with immediate workqueue in padata_reorder
- padata: initialize pd->cpu with effective cpumask
- padata: purge get_cpu and reorder_via_wq from padata_do_serial
- ALSA: iec1712: Initialize STDSP24 properly when using the model=staudio
  option
- ALSA: pcm: fix incorrect hw_base increase
- ALSA: hda/realtek - Fix silent output on Gigabyte X570 Aorus Xtreme
- ALSA: hda/realtek - Add more fixup entries for Clevo machines
- drm/etnaviv: fix perfmon domain interation
- apparmor: fix potential label refcnt leak in aa_change_profile
- apparmor: Fix aa_label refcnt leak in policy_update
- dmaengine: tegra210-adma: Fix an error handling path in 
'tegra_adma_probe()'
- dmaengine: owl: Use correct lock in owl_dma_get_pchan()
- drm/i915/gvt: Init DPLL/DDI vreg for virtual display instead of 
inheritance.
- powerpc: Remove STRICT_KERNEL_RWX incompatibility with RELOCATABLE
- powerpc/64s: Disable STRICT_KERNEL_RWX
- media: fdp1: Fix R-Car M3-N naming in debug message
- Revert "net/ibmvnic: Fix EOI when running in XIVE mode"
- Revert "gfs2: Don't demote a glock until its revokes are written"
- staging: iio: ad2s1210: Fix SPI reading
- staging: greybus: Fix uninitialized scalar variable
- iio: sca3000: Remove an erroneous 'get_device()'
- iio: dac: vf610: Fix an error handling path in 'vf610_dac_probe()'
- misc: rtsx: Add short delay after exit from ASPM
- mei: release me_cl object reference
- ipack: tpci200: fix error return code in tpci200_register()
- rapidio: fix an error in get_user_pages_fast() error handling
- rxrpc: Fix a memory leak in rxkad_verify_response()
- x86/unwind/orc: Fix unwind_get_return_address_ptr() for inactive tasks
- iio: adc: stm32-adc: Use dma_request_chan() instead
  dma_request_slave_channel()
- iio: adc: stm32-adc: fix device used to request dma
- iio: adc: stm32-dfsdm: Use dma_request_chan() instead
  dma_request_slave_channel()
- iio: adc: stm32-dfsdm: fix device used to request dma
- rxrpc: Trace discarded ACKs
- rxrpc: Fix ack discard
- ubifs: fix wrong use of crypto_shash_descsize()
- i2c: fix missing pm_runtime_put_sync in i2c_device_probe
- evm: Fix a small race in init_desc()
- afs: Don't unlock fetched data pages until the op completes successfully
- mtd: Fix mtd not registered due to nvmem name collision
- net/ena: Fix build warning in ena_xdp_set()
- x86/mm/cpa: Flush direct map alias during cpa
- ibmvnic: Skip fatal error reset after passive init
- iommu/amd: Call domain_flush_complete() in update_domain()
- 

[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 4.15.0-109.110

---
linux (4.15.0-109.110) bionic; urgency=medium

  * Packaging resync (LP: #1786013)
- [Packaging] update helper scripts
- update dkms package versions

  * Build and ship a signed wireguard.ko (LP: #1861284)
- [Packaging] wireguard -- add support for building signed .ko

  * CVE-2019-16089
- SAUCE: nbd_genl_status: null check for nla_nest_start

  * CVE-2019-19642
- kernel/relay.c: handle alloc_percpu returning NULL in relay_open

  * CVE-2019-12380
- efi/x86/Add missing error handling to old_memmap 1:1 mapping code

  * CVE-2019-19039 // CVE-2019-19377
- btrfs: sink flush_fn to extent_write_cache_pages
- btrfs: extent_io: Move the BUG_ON() in flush_write_bio() one level up
- btrfs: Don't submit any btree write bio if the fs has errors

  * CVE-2019-19036
- btrfs: volumes: Use more straightforward way to calculate map length
- btrfs: tree-checker: Try to detect missing INODE_ITEM
- Btrfs: tree-checker: detect file extent items with overlapping ranges
- Btrfs: make tree checker detect checksum items with overlapping ranges
- btrfs: harden agaist duplicate fsid on scanned devices
- Btrfs: fix missing data checksums after replaying a log tree
- btrfs: reloc: fix reloc root leak and NULL pointer dereference
- btrfs: Validate child tree block's level and first key
- btrfs: Detect unbalanced tree with empty leaf before crashing btree
  operations

  * CVE-2019-19318
- btrfs: tree-checker: Replace root parameter with fs_info
- btrfs: tree-checker: Check level for leaves and nodes
- btrfs: tree-checker: get fs_info from eb in generic_err
- btrfs: tree-checker: get fs_info from eb in file_extent_err
- btrfs: tree-checker: get fs_info from eb in check_csum_item
- btrfs: tree-checker: get fs_info from eb in dir_item_err
- btrfs: tree-checker: get fs_info from eb in check_dir_item
- btrfs: tree-checker: get fs_info from eb in block_group_err
- btrfs: tree-checker: get fs_info from eb in check_block_group_item
- btrfs: tree-checker: get fs_info from eb in check_extent_data_item
- btrfs: tree-checker: get fs_info from eb in check_leaf_item
- btrfs: tree-checker: get fs_info from eb in check_leaf
- btrfs: tree-checker: get fs_info from eb in chunk_err
- btrfs: tree-checker: get fs_info from eb in dev_item_err
- btrfs: tree-checker: get fs_info from eb in check_dev_item
- btrfs: tree-checker: get fs_info from eb in check_inode_item
- btrfs: tree-checker: Add ROOT_ITEM check
- btrfs: tree-checker: Add EXTENT_ITEM and METADATA_ITEM check
- btrfs: tree-checker: Add simple keyed refs check
- btrfs: tree-checker: Add EXTENT_DATA_REF check
- btrfs: tree-checker: Fix wrong check on max devid
- Btrfs: fix selftests failure due to uninitialized i_mode in test inodes

  * CVE-2019-19813 // CVE-2019-19816
- btrfs: Refactor parameter of BTRFS_MAX_DEVS() from root to fs_info
- btrfs: Move btrfs_check_chunk_valid() to tree-check.[ch] and export it
- btrfs: tree-checker: Make chunk item checker messages more readable
- btrfs: tree-checker: Make btrfs_check_chunk_valid() return EUCLEAN instead
  of EIO
- btrfs: tree-checker: Check chunk item at tree block read time
- btrfs: tree-checker: Verify dev item
- btrfs: tree-checker: Enhance chunk checker to validate chunk profile
- btrfs: tree-checker: Verify inode item
- btrfs: inode: Verify inode mode to avoid NULL pointer dereference

  * CVE-2020-0543
- UBUNTU/SAUCE: x86/speculation/srbds: do not try to turn mitigation off 
when
  not supported

  * Build Nvidia drivers in conjunction with kernel (LP: #1764792)
- [Packaging] disable nvidia dkms builds for mainline

  * Bionic update: upstream stable patchset 2020-06-02 (LP: #1881801)
- i2c: dev: Fix the race between the release of i2c_dev and cdev
- ima: Set file->f_mode instead of file->f_flags in ima_calc_file_hash()
- evm: Check also if *tfm is an error pointer in init_desc()
- ima: Fix return value of ima_write_policy()
- fix multiplication overflow in copy_fdtable()
- iommu/amd: Fix over-read of ACPI UID from IVRS table
- i2c: mux: demux-pinctrl: Fix an error handling path in
  'i2c_demux_pinctrl_probe()'
- ubi: Fix seq_file usage in detailed_erase_block_info debugfs file
- gcc-common.h: Update for GCC 10
- HID: multitouch: add eGalaxTouch P80H84 support
- scsi: qla2xxx: Fix hang when issuing nvme disconnect-all in NPIV
- configfs: fix config_item refcnt leak in configfs_rmdir()
- vhost/vsock: fix packet delivery order to monitoring devices
- component: Silence bind error on -EPROBE_DEFER
- scsi: ibmvscsi: Fix WARN_ON during event pool release
- x86/apic: Move TSC deadline timer debug printk
- gtp: set NLM_F_MULTI flag in gtp_genl_dump_pdp()
- ceph: fix double unlock in 

[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 5.4.0-40.44

---
linux (5.4.0-40.44) focal; urgency=medium

  * linux-oem-5.6-tools-common and -tools-host should be dropped (LP: #1881120)
- [Packaging] Add Conflicts/Replaces to remove linux-oem-5.6-tools-common 
and
  -tools-host

  * Packaging resync (LP: #1786013)
- [Packaging] update helper scripts

  * Slow send speed with Intel I219-V on Ubuntu 18.04.1 (LP: #1802691)
- e1000e: Disable TSO for buffer overrun workaround

  * CVE-2020-0543
- UBUNTU/SAUCE: x86/speculation/srbds: do not try to turn mitigation off 
when
  not supported

  * Realtek 8723DE [10ec:d723] subsystem [10ec:d738]  disconnects unsolicitedly
when Bluetooth is paired: Reason: 23=IEEE8021X_FAILED (LP: #1878147)
- SAUCE: Revert "UBUNTU: SAUCE: rtw88: Move driver IQK to set channel before
  association for 11N chip"
- SAUCE: Revert "UBUNTU: SAUCE: rtw88: fix rate for a while after being
  connected"
- SAUCE: Revert "UBUNTU: SAUCE: rtw88: No retry and report for auth and 
assoc"
- SAUCE: Revert "UBUNTU: SAUCE: rtw88: 8723d: Add coex support"
- rtw88: add a debugfs entry to dump coex's info
- rtw88: add a debugfs entry to enable/disable coex mechanism
- rtw88: 8723d: Add coex support
- SAUCE: rtw88: coex: 8723d: set antanna control owner
- SAUCE: rtw88: coex: 8723d: handle BT inquiry cases
- SAUCE: rtw88: fix EAPOL 4-way failure by finish IQK earlier

  * CPU stress test fails with focal kernel (LP: #1867900)
- [Config] Disable hisi_sec2 temporarily

  * Enforce all config annotations (LP: #1879327)
- [Config]: do not enforce CONFIG_VERSION_SIGNATURE
- [Config]: prepare to enforce all
- [Config]: enforce all config options

  * Focal update: v5.4.44 upstream stable release (LP: #1881927)
- ax25: fix setsockopt(SO_BINDTODEVICE)
- dpaa_eth: fix usage as DSA master, try 3
- net: don't return invalid table id error when we fall back to PF_UNSPEC
- net: dsa: mt7530: fix roaming from DSA user ports
- net: ethernet: ti: cpsw: fix ASSERT_RTNL() warning during suspend
- __netif_receive_skb_core: pass skb by reference
- net: inet_csk: Fix so_reuseport bind-address cache in tb->fast*
- net: ipip: fix wrong address family in init error path
- net/mlx5: Add command entry handling completion
- net: mvpp2: fix RX hashing for non-10G ports
- net: nlmsg_cancel() if put fails for nhmsg
- net: qrtr: Fix passing invalid reference to qrtr_local_enqueue()
- net: revert "net: get rid of an signed integer overflow in
  ip_idents_reserve()"
- net sched: fix reporting the first-time use timestamp
- net/tls: fix race condition causing kernel panic
- nexthop: Fix attribute checking for groups
- r8152: support additional Microsoft Surface Ethernet Adapter variant
- sctp: Don't add the shutdown timer if its already been added
- sctp: Start shutdown on association restart if in SHUTDOWN-SENT state and
  socket is closed
- tipc: block BH before using dst_cache
- net/mlx5e: kTLS, Destroy key object after destroying the TIS
- net/mlx5e: Fix inner tirs handling
- net/mlx5: Fix memory leak in mlx5_events_init
- net/mlx5e: Update netdev txq on completions during closure
- net/mlx5: Fix error flow in case of function_setup failure
- net/mlx5: Annotate mutex destroy for root ns
- net/tls: fix encryption error checking
- net/tls: free record only on encryption error
- net: sun: fix missing release regions in cas_init_one().
- net/mlx4_core: fix a memory leak bug.
- mlxsw: spectrum: Fix use-after-free of split/unsplit/type_set in case 
reload
  fails
- ARM: dts: rockchip: fix phy nodename for rk3228-evb
- ARM: dts: rockchip: fix phy nodename for rk3229-xms6
- arm64: dts: rockchip: fix status for  in rk3328-evb.dts
- arm64: dts: rockchip: swap interrupts interrupt-names rk3399 gpu node
- ARM: dts: rockchip: swap clock-names of gpu nodes
- ARM: dts: rockchip: fix pinctrl sub nodename for spi in rk322x.dtsi
- gpio: tegra: mask GPIO IRQs during IRQ shutdown
- ALSA: usb-audio: add mapping for ASRock TRX40 Creator
- net: microchip: encx24j600: add missed kthread_stop
- gfs2: move privileged user check to gfs2_quota_lock_check
- gfs2: Grab glock reference sooner in gfs2_add_revoke
- drm/amdgpu: drop unnecessary cancel_delayed_work_sync on PG ungate
- drm/amd/powerplay: perform PG ungate prior to CG ungate
- drm/amdgpu: Use GEM obj reference for KFD BOs
- cachefiles: Fix race between read_waiter and read_copier involving 
op->to_do
- usb: dwc3: pci: Enable extcon driver for Intel Merrifield
- usb: phy: twl6030-usb: Fix a resource leak in an error handling path in
  'twl6030_usb_probe()'
- usb: gadget: legacy: fix redundant initialization warnings
- net: freescale: select CONFIG_FIXED_PHY where needed
- IB/i40iw: Remove bogus 

[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Launchpad Bug Tracker]

This bug was fixed in the package linux-oem-osp1 - 5.0.0-1059.64

---
linux-oem-osp1 (5.0.0-1059.64) bionic; urgency=medium

  [ Ubuntu: 5.0.0-52.56 ]

  * CVE-2020-0543
- SAUCE: x86/cpu: Add a steppings field to struct x86_cpu_id
- SAUCE: x86/cpu: Add 'table' argument to cpu_matches()
- SAUCE: x86/speculation: Add Special Register Buffer Data Sampling (SRBDS)
  mitigation
- SAUCE: x86/speculation: Add SRBDS vulnerability and mitigation 
documentation
- SAUCE: x86/speculation: Add Ivy Bridge to affected list

linux-oem-osp1 (5.0.0-1054.59) bionic; urgency=medium

  * bionic/linux-oem-osp1: 5.0.0-1054.59 -proposed tracker (LP:
#1881221)

  * Speed up the process of s3 resume (LP: #1876844)
- PCI/PM: Adjust pcie_wait_for_link_delay() for caller delay
- PCI/PM: Assume ports without DLL Link Active train links in 100 ms

linux-oem-osp1 (5.0.0-1053.58) bionic; urgency=medium

  * bionic/linux-oem-osp1: 5.0.0-1053.58 -proposed tracker (LP:
#1878822)

  * rtl8723bu wifi issue after being turned off (LP: #1878296)
- rtl8xxxu: Improve TX performance of RTL8723BU on rtl8xxxu driver
- rtl8xxxu: add bluetooth co-existence support for single antenna
- rtl8xxxu: remove set but not used variable 'rate_mask'
- rtl8xxxu: Remove set but not used variable 'vif', 'dev', 'len'

  * Fix Pericom USB controller OHCI/EHCI PME# defect (LP: #1879321)
- serial: 8250_pci: Move Pericom IDs to pci_ids.h
- PCI: Avoid Pericom USB controller OHCI/EHCI PME# defect

  * Don't register platform::micmute if the related tokens don't exist
(LP: #1877275)
- SAUCE: platform/x86: dell-laptop: don't register platform::micmute if the
  related tokens don't exist

  [ Ubuntu: 5.0.0-49.53 ]

  * disco/linux: 5.0.0-49.53 -proposed tracker (LP: #1878826)
  * Disco update: upstream stable patchset 2020-05-14 (LP: #1878681)
- remoteproc: Fix wrong rvring index computation
- mtd: cfi: fix deadloop in cfi_cmdset_0002.c do_write_buffer
- binder: take read mode of mmap_sem in binder_alloc_free_page()
- usb: dwc3: gadget: Do link recovery for SS and SSP
- usb: gadget: udc: bdc: Remove unnecessary NULL checks in bdc_req_complete
- iio:ad7797: Use correct attribute_group
- ASoC: q6dsp6: q6afe-dai: add missing channels to MI2S DAIs
- ASoC: tas571x: disable regulators on failed probe
- ASoC: wm8960: Fix wrong clock after suspend & resume
- nfsd: memory corruption in nfsd4_lock()
- i2c: altera: use proper variable to hold errno
- rxrpc: Fix DATA Tx to disable nofrag for UDP on AF_INET6 socket
- net/cxgb4: Check the return from t4_query_params properly
- xfs: acquire superblock freeze protection on eofblocks scans
- svcrdma: Fix trace point use-after-free race
- svcrdma: Fix leak of svc_rdma_recv_ctxt objects
- PCI: Avoid ASMedia XHCI USB PME# from D0 defect
- PCI: Move Apex Edge TPU class quirk to fix BAR assignment
- ARM: dts: bcm283x: Disable dsi0 node
- cpumap: Avoid warning when CONFIG_DEBUG_PER_CPU_MAPS is enabled
- net/mlx5: Fix failing fw tracer allocation on s390
- perf/core: fix parent pid/tid in task exit events
- bpf, x86_32: Fix incorrect encoding in BPF_LDX zero-extension
- mm: shmem: disable interrupt when acquiring info->lock in userfaultfd_copy
  path
- xfs: clear PF_MEMALLOC before exiting xfsaild thread
- bpf, x86: Fix encoding for lower 8-bit registers in BPF_STX BPF_B
- net: fec: set GPR bit on suspend by DT configuration.
- x86: hyperv: report value of misc_features
- xfs: fix partially uninitialized structure in xfs_reflink_remap_extent
- ALSA: hda: Keep the controller initialization even if no codecs found
- ALSA: hda: Explicitly permit using autosuspend if runtime PM is supported
- scsi: target: fix PR IN / READ FULL STATUS for FC
- scsi: target: tcmu: reset_ring should reset TCMU_DEV_BIT_BROKEN
- objtool: Fix CONFIG_UBSAN_TRAP unreachable warnings
- objtool: Support Clang non-section symbols in ORC dump
- xen/xenbus: ensure xenbus_map_ring_valloc() returns proper grant status
- ALSA: hda: call runtime_allow() for all hda controllers
- arm64: Delete the space separator in __emit_inst
- ext4: use matching invalidatepage in ext4_writepage
- ext4: increase wait time needed before reuse of deleted inode numbers
- ext4: convert BUG_ON's to WARN_ON's in mballoc.c
- hwmon: (jc42) Fix name to have no illegal characters
- bpf, x86_32: Fix clobbering of dst for BPF_JSET
- qed: Fix use after free in qed_chain_free
- ext4: check for non-zero journal inum in ext4_calculate_overhead
- printk: queue wake_up_klogd irq_work only if per-CPU areas are ready
- kbuild: fix DT binding schema rule again to avoid needless rebuilds
- usb: gadget: udc: atmel: Fix vbus disconnect handling
- afs: Fix to actually set AFS_SERVER_FL_HAVE_EPOCH
- s390/ftrace: fix potential crashes when 

[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Leimar]

** Tags removed: verification-needed-focal
** Tags added: verification-done-focal

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1878296

Title:
  rtl8723bu wifi issue after being turned off

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Ubuntu Kernel Bot]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
eoan' to 'verification-done-eoan'. If the problem still exists, change
the tag 'verification-needed-eoan' to 'verification-failed-eoan'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-bionic

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Title:
  rtl8723bu wifi issue after being turned off

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Ubuntu Kernel Bot]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
focal' to 'verification-done-focal'. If the problem still exists, change
the tag 'verification-needed-focal' to 'verification-failed-focal'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-focal

** Tags added: verification-needed-eoan

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  rtl8723bu wifi issue after being turned off

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Ubuntu Kernel Bot]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verification-needed-bionic' to 'verification-failed-
bionic'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!

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Title:
  rtl8723bu wifi issue after being turned off

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Launchpad Bug Tracker]

This bug was fixed in the package linux-oem-osp1 - 5.0.0-1059.64

---
linux-oem-osp1 (5.0.0-1059.64) bionic; urgency=medium

  [ Ubuntu: 5.0.0-52.56 ]

  * CVE-2020-0543
- SAUCE: x86/cpu: Add a steppings field to struct x86_cpu_id
- SAUCE: x86/cpu: Add 'table' argument to cpu_matches()
- SAUCE: x86/speculation: Add Special Register Buffer Data Sampling (SRBDS)
  mitigation
- SAUCE: x86/speculation: Add SRBDS vulnerability and mitigation 
documentation
- SAUCE: x86/speculation: Add Ivy Bridge to affected list

linux-oem-osp1 (5.0.0-1054.59) bionic; urgency=medium

  * bionic/linux-oem-osp1: 5.0.0-1054.59 -proposed tracker (LP:
#1881221)

  * Speed up the process of s3 resume (LP: #1876844)
- PCI/PM: Adjust pcie_wait_for_link_delay() for caller delay
- PCI/PM: Assume ports without DLL Link Active train links in 100 ms

linux-oem-osp1 (5.0.0-1053.58) bionic; urgency=medium

  * bionic/linux-oem-osp1: 5.0.0-1053.58 -proposed tracker (LP:
#1878822)

  * rtl8723bu wifi issue after being turned off (LP: #1878296)
- rtl8xxxu: Improve TX performance of RTL8723BU on rtl8xxxu driver
- rtl8xxxu: add bluetooth co-existence support for single antenna
- rtl8xxxu: remove set but not used variable 'rate_mask'
- rtl8xxxu: Remove set but not used variable 'vif', 'dev', 'len'

  * Fix Pericom USB controller OHCI/EHCI PME# defect (LP: #1879321)
- serial: 8250_pci: Move Pericom IDs to pci_ids.h
- PCI: Avoid Pericom USB controller OHCI/EHCI PME# defect

  * Don't register platform::micmute if the related tokens don't exist
(LP: #1877275)
- SAUCE: platform/x86: dell-laptop: don't register platform::micmute if the
  related tokens don't exist

  [ Ubuntu: 5.0.0-49.53 ]

  * disco/linux: 5.0.0-49.53 -proposed tracker (LP: #1878826)
  * Disco update: upstream stable patchset 2020-05-14 (LP: #1878681)
- remoteproc: Fix wrong rvring index computation
- mtd: cfi: fix deadloop in cfi_cmdset_0002.c do_write_buffer
- binder: take read mode of mmap_sem in binder_alloc_free_page()
- usb: dwc3: gadget: Do link recovery for SS and SSP
- usb: gadget: udc: bdc: Remove unnecessary NULL checks in bdc_req_complete
- iio:ad7797: Use correct attribute_group
- ASoC: q6dsp6: q6afe-dai: add missing channels to MI2S DAIs
- ASoC: tas571x: disable regulators on failed probe
- ASoC: wm8960: Fix wrong clock after suspend & resume
- nfsd: memory corruption in nfsd4_lock()
- i2c: altera: use proper variable to hold errno
- rxrpc: Fix DATA Tx to disable nofrag for UDP on AF_INET6 socket
- net/cxgb4: Check the return from t4_query_params properly
- xfs: acquire superblock freeze protection on eofblocks scans
- svcrdma: Fix trace point use-after-free race
- svcrdma: Fix leak of svc_rdma_recv_ctxt objects
- PCI: Avoid ASMedia XHCI USB PME# from D0 defect
- PCI: Move Apex Edge TPU class quirk to fix BAR assignment
- ARM: dts: bcm283x: Disable dsi0 node
- cpumap: Avoid warning when CONFIG_DEBUG_PER_CPU_MAPS is enabled
- net/mlx5: Fix failing fw tracer allocation on s390
- perf/core: fix parent pid/tid in task exit events
- bpf, x86_32: Fix incorrect encoding in BPF_LDX zero-extension
- mm: shmem: disable interrupt when acquiring info->lock in userfaultfd_copy
  path
- xfs: clear PF_MEMALLOC before exiting xfsaild thread
- bpf, x86: Fix encoding for lower 8-bit registers in BPF_STX BPF_B
- net: fec: set GPR bit on suspend by DT configuration.
- x86: hyperv: report value of misc_features
- xfs: fix partially uninitialized structure in xfs_reflink_remap_extent
- ALSA: hda: Keep the controller initialization even if no codecs found
- ALSA: hda: Explicitly permit using autosuspend if runtime PM is supported
- scsi: target: fix PR IN / READ FULL STATUS for FC
- scsi: target: tcmu: reset_ring should reset TCMU_DEV_BIT_BROKEN
- objtool: Fix CONFIG_UBSAN_TRAP unreachable warnings
- objtool: Support Clang non-section symbols in ORC dump
- xen/xenbus: ensure xenbus_map_ring_valloc() returns proper grant status
- ALSA: hda: call runtime_allow() for all hda controllers
- arm64: Delete the space separator in __emit_inst
- ext4: use matching invalidatepage in ext4_writepage
- ext4: increase wait time needed before reuse of deleted inode numbers
- ext4: convert BUG_ON's to WARN_ON's in mballoc.c
- hwmon: (jc42) Fix name to have no illegal characters
- bpf, x86_32: Fix clobbering of dst for BPF_JSET
- qed: Fix use after free in qed_chain_free
- ext4: check for non-zero journal inum in ext4_calculate_overhead
- printk: queue wake_up_klogd irq_work only if per-CPU areas are ready
- kbuild: fix DT binding schema rule again to avoid needless rebuilds
- usb: gadget: udc: atmel: Fix vbus disconnect handling
- afs: Fix to actually set AFS_SERVER_FL_HAVE_EPOCH
- s390/ftrace: fix potential crashes when 

[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Khaled El Mously]

** Changed in: linux (Ubuntu Bionic)
   Status: In Progress => Fix Committed

** Changed in: linux (Ubuntu Eoan)
   Status: In Progress => Fix Committed

** Changed in: linux (Ubuntu Focal)
   Status: In Progress => Fix Committed

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Leimar]

Executed the test case in description.
Test passed.

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[AceLan Kao]

** Changed in: linux-oem-osp1 (Ubuntu Bionic)
   Status: In Progress => Fix Committed

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[You-Sheng Yang]

Resubmitted as https://lists.ubuntu.com/archives/kernel-
team/2020-May/110116.html

** Description changed:

+ [SRU Justification]
+ 
+ [Impact]
+ With the rtl8723bu Wi-Fi/Bluetooth combo adapter, if the wifi is turned
+ off and then turned on again under the circumstance that a Bluetooth
+ device was paired previously, the system can't connect to a wireless
+ network until the system is rebooted.
+ 
+ [Fix]
+ Commit e542e66b7c2e("rtl8xxxu: add bluetooth co-existence support for
+ single antenna"), which landed v5.5 and as its subject suggests, support
+ bluetooth co-existence for RTL8723BU and fixes WiFi disconnection
+ problem when Bluetooth is in action.
+ 
+ Commit a9bb0b515778("rtl8xxxu: Improve TX performance of RTL8723BU on
+ rtl8xxxu driver") was added as a prerequisite to aforementioned fix.
+ 
+ Commit 4fcef8609132("rtl8xxxu: remove set but not used variable
+ 'rate_mask'") and commit eac08515d7bd("rtl8xxxu: Remove set but not used
+ variable 'vif','dev','len'") are included as minor fixes to previous
+ commits.
+ 
+ [Test Case]
+ 1. Turn on Wi-Fi and get associated with some AP.
+ 2. Pair some bluetooth device.
+ 3. Turn off Wi-Fi and turn again.
+ 4. Expect Wi-Fi reconnects to the previous associated AP.
+ 
+ [Regression Potential]
+ Low. Both commits only affect RTL8723BU.
+ 
+ == Original Bug Description ==
+ 
  With the rtl8723bu wireless adapter, if the wifi is turned off and then 
turned on again, the system can't connect to a wireless network until the 
system is rebooted.
  The issue is not upstream. With mainline kernel and in other distros, 
everything works fine.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.4.0-29-generic 5.4.0-29.33
  ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
  Uname: Linux 5.4.0-29-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  user 1384 F pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Tue May 12 19:02:49 2020
  InstallationDate: Installed on 2020-05-12 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 090c:037c Silicon Motion, Inc. - Taiwan (formerly 
Feiya Technology Corp.) 300k Pixel Camera
   Bus 001 Device 003: ID 0bda:b720 Realtek Semiconductor Corp. 802.11n WLAN 
Adapter
   Bus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card 
Reader Controller
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Positivo Tecnologia SA N1240
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-29-generic 
root=UUID=984e1018-1354-474e-83a9-b8ab7a761be7 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-29-generic N/A
   linux-backports-modules-5.4.0-29-generic  N/A
   linux-firmware1.187
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/15/2019
  dmi.bios.vendor: Desenvolvido por Positivo Tecnologia SA
  dmi.bios.version: V1.09.X
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: N14DP6
  dmi.board.vendor: Positivo Tecnologia SA
  dmi.board.version: 11139547
  dmi.chassis.asset.tag: To be filled by O.E.M.
  dmi.chassis.type: 10
  dmi.chassis.vendor: Positivo Tecnologia SA
  dmi.chassis.version: To be filled by O.E.M.
  dmi.modalias: 
dmi:bvnDesenvolvidoporPositivoTecnologiaSA:bvrV1.09.X:bd07/15/2019:svnPositivoTecnologiaSA:pnN1240:pvrTobefilledbyO.E.M.:rvnPositivoTecnologiaSA:rnN14DP6:rvr11139547:cvnPositivoTecnologiaSA:ct10:cvrTobefilledbyO.E.M.:
  dmi.product.family: MASTER
  dmi.product.name: N1240
  dmi.product.sku: 3052532
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: Positivo Tecnologia SA

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  rtl8723bu wifi issue after being turned off

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Stefan Bader]

** Changed in: linux (Ubuntu Focal)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu Eoan)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu Bionic)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu Groovy)
   Importance: Undecided => Medium

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[You-Sheng Yang]

Skipped Groovy for now and hopefully it will soon be fixed automatically
when upgraded to any version newer than 5.5

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[You-Sheng Yang]

https://lists.ubuntu.com/archives/kernel-team/2020-May/109920.html

** Changed in: linux (Ubuntu Focal)
   Status: New => In Progress

** Changed in: linux (Ubuntu Focal)
 Assignee: (unassigned) => You-Sheng Yang (vicamo)

** Changed in: linux-oem-osp1 (Ubuntu Bionic)
   Status: New => In Progress

** Changed in: linux-oem-osp1 (Ubuntu Bionic)
 Assignee: (unassigned) => You-Sheng Yang (vicamo)

** Changed in: linux (Ubuntu Eoan)
   Status: New => In Progress

** Changed in: linux (Ubuntu Eoan)
 Assignee: (unassigned) => You-Sheng Yang (vicamo)

** Changed in: linux (Ubuntu Bionic)
   Status: New => In Progress

** Changed in: linux (Ubuntu Bionic)
 Assignee: (unassigned) => You-Sheng Yang (vicamo)

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[You-Sheng Yang]

The fixing patches are in v5.5, so this affects linux-generic of B/E/F
and linux-oem-osp1 in B. Groovy is still with v5.4 -generic kernel, so
it's included for now.

** Also affects: linux (Ubuntu Eoan)
   Importance: Undecided
   Status: New

** Also affects: linux (Ubuntu Focal)
   Importance: Undecided
   Status: New

** Also affects: linux (Ubuntu Bionic)
   Importance: Undecided
   Status: New

** Also affects: linux (Ubuntu Groovy)
   Importance: Undecided
   Status: Confirmed

** Also affects: linux-oem-osp1 (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: linux-oem-osp1 (Ubuntu Eoan)
   Status: New => Invalid

** Changed in: linux-oem-osp1 (Ubuntu Focal)
   Status: New => Invalid

** Changed in: linux-oem-osp1 (Ubuntu Groovy)
   Status: New => Invalid

** Changed in: linux (Ubuntu Groovy)
 Assignee: (unassigned) => You-Sheng Yang (vicamo)

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  rtl8723bu wifi issue after being turned off

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Leimar]

Installed the kernel packages and rebooted. Everything worked fine.

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[You-Sheng Yang]

Please have a try my PPA at
https://launchpad.net/~vicamo/+archive/ubuntu/ppa-1878296. It's still
compiling and may take a few more hours to complete. To install kernel
packages from it:

  $ sudo add-apt-repository ppa:vicamo/ppa-1878296
  $ sudo apt install linux-modules-extra-5.4.0-31-generic=5.4.0-31.35+lp1878296

This should install several kernel packages, and then please reboot into
this kernel and check if the problem is gone, leave a message here so
that we can continue to backport the fix.

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[You-Sheng Yang]

** Tags added: hwe-networking-wifi

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[Bug 1878296] Re: rtl8723bu wifi issue after being turned off

[Leimar]

** Attachment added: "dmesg after turning off wifi"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1878296/+attachment/5370672/+files/dmesg.txt

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