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[Bug 1819968] Re: Colour banding in Lenovo G50-80 laptop display (i915)

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This bug was fixed in the package linux - 5.3.0-24.26

---------------
linux (5.3.0-24.26) eoan; urgency=medium

  * eoan/linux: 5.3.0-24.26 -proposed tracker (LP: #1852232)

  * Eoan update: 5.3.9 upstream stable release (LP: #1851550)
    - io_uring: fix up O_NONBLOCK handling for sockets
    - dm snapshot: introduce account_start_copy() and account_end_copy()
    - dm snapshot: rework COW throttling to fix deadlock
    - Btrfs: fix inode cache block reserve leak on failure to allocate data space
    - btrfs: qgroup: Always free PREALLOC META reserve in
      btrfs_delalloc_release_extents()
    - iio: adc: meson_saradc: Fix memory allocation order
    - iio: fix center temperature of bmc150-accel-core
    - libsubcmd: Make _FORTIFY_SOURCE defines dependent on the feature
    - perf tests: Avoid raising SEGV using an obvious NULL dereference
    - perf map: Fix overlapped map handling
    - perf script brstackinsn: Fix recovery from LBR/binary mismatch
    - perf jevents: Fix period for Intel fixed counters
    - perf tools: Propagate get_cpuid() error
    - perf annotate: Propagate perf_env__arch() error
    - perf annotate: Fix the signedness of failure returns
    - perf annotate: Propagate the symbol__annotate() error return
    - perf annotate: Fix arch specific ->init() failure errors
    - perf annotate: Return appropriate error code for allocation failures
    - perf annotate: Don't return -1 for error when doing BPF disassembly
    - staging: rtl8188eu: fix null dereference when kzalloc fails
    - RDMA/siw: Fix serialization issue in write_space()
    - RDMA/hfi1: Prevent memory leak in sdma_init
    - RDMA/iw_cxgb4: fix SRQ access from dump_qp()
    - RDMA/iwcm: Fix a lock inversion issue
    - HID: hyperv: Use in-place iterator API in the channel callback
    - kselftest: exclude failed TARGETS from runlist
    - selftests/kselftest/runner.sh: Add 45 second timeout per test
    - nfs: Fix nfsi->nrequests count error on nfs_inode_remove_request
    - arm64: cpufeature: Effectively expose FRINT capability to userspace
    - arm64: Fix incorrect irqflag restore for priority masking for compat
    - arm64: ftrace: Ensure synchronisation in PLT setup for Neoverse-N1 #1542419
    - tty: serial: owl: Fix the link time qualifier of 'owl_uart_exit()'
    - tty: serial: rda: Fix the link time qualifier of 'rda_uart_exit()'
    - serial/sifive: select SERIAL_EARLYCON
    - tty: n_hdlc: fix build on SPARC
    - misc: fastrpc: prevent memory leak in fastrpc_dma_buf_attach
    - RDMA/core: Fix an error handling path in 'res_get_common_doit()'
    - RDMA/cm: Fix memory leak in cm_add/remove_one
    - RDMA/nldev: Reshuffle the code to avoid need to rebind QP in error path
    - RDMA/mlx5: Do not allow rereg of a ODP MR
    - RDMA/mlx5: Order num_pending_prefetch properly with synchronize_srcu
    - RDMA/mlx5: Add missing synchronize_srcu() for MW cases
    - gpio: max77620: Use correct unit for debounce times
    - fs: cifs: mute -Wunused-const-variable message
    - arm64: vdso32: Fix broken compat vDSO build warnings
    - arm64: vdso32: Detect binutils support for dmb ishld
    - serial: mctrl_gpio: Check for NULL pointer
    - serial: 8250_omap: Fix gpio check for auto RTS/CTS
    - arm64: Default to building compat vDSO with clang when CONFIG_CC_IS_CLANG
    - arm64: vdso32: Don't use KBUILD_CPPFLAGS unconditionally
    - efi/cper: Fix endianness of PCIe class code
    - efi/x86: Do not clean dummy variable in kexec path
    - MIPS: include: Mark __cmpxchg as __always_inline
    - riscv: avoid kernel hangs when trapped in BUG()
    - riscv: avoid sending a SIGTRAP to a user thread trapped in WARN()
    - riscv: Correct the handling of unexpected ebreak in do_trap_break()
    - x86/xen: Return from panic notifier
    - ocfs2: clear zero in unaligned direct IO
    - fs: ocfs2: fix possible null-pointer dereferences in
      ocfs2_xa_prepare_entry()
    - fs: ocfs2: fix a possible null-pointer dereference in
      ocfs2_write_end_nolock()
    - fs: ocfs2: fix a possible null-pointer dereference in
      ocfs2_info_scan_inode_alloc()
    - btrfs: silence maybe-uninitialized warning in clone_range
    - arm64: armv8_deprecated: Checking return value for memory allocation
    - sched/fair: Scale bandwidth quota and period without losing quota/period
      ratio precision
    - sched/vtime: Fix guest/system mis-accounting on task switch
    - perf/core: Rework memory accounting in perf_mmap()
    - perf/core: Fix corner case in perf_rotate_context()
    - perf/x86/amd: Change/fix NMI latency mitigation to use a timestamp
    - drm/amdgpu: fix memory leak
    - iio: imu: adis16400: release allocated memory on failure
    - iio: imu: adis16400: fix memory leak
    - iio: imu: st_lsm6dsx: fix waitime for st_lsm6dsx i2c controller
    - MIPS: include: Mark __xchg as __always_inline
    - MIPS: fw: sni: Fix out of bounds init of o32 stack
    - s390/cio: fix virtio-ccw DMA without PV
    - virt: vbox: fix memory leak in hgcm_call_preprocess_linaddr
    - nbd: fix possible sysfs duplicate warning
    - NFSv4: Fix leak of clp->cl_acceptor string
    - SUNRPC: fix race to sk_err after xs_error_report
    - s390/uaccess: avoid (false positive) compiler warnings
    - tracing: Initialize iter->seq after zeroing in tracing_read_pipe()
    - perf annotate: Fix multiple memory and file descriptor leaks
    - perf/aux: Fix tracking of auxiliary trace buffer allocation
    - USB: legousbtower: fix a signedness bug in tower_probe()
    - nbd: verify socket is supported during setup
    - fuse: flush dirty data/metadata before non-truncate setattr
    - fuse: truncate pending writes on O_TRUNC
    - ALSA: bebob: Fix prototype of helper function to return negative value
    - ALSA: timer: Fix mutex deadlock at releasing card
    - ath10k: fix latency issue for QCA988x
    - UAS: Revert commit 3ae62a42090f ("UAS: fix alignment of scatter/gather
      segments")
    - nl80211: fix validation of mesh path nexthop
    - USB: gadget: Reject endpoints with 0 maxpacket value
    - usb-storage: Revert commit 747668dbc061 ("usb-storage: Set
      virt_boundary_mask to avoid SG overflows")
    - USB: ldusb: fix ring-buffer locking
    - USB: ldusb: fix control-message timeout
    - usb: xhci: fix Immediate Data Transfer endianness
    - usb: xhci: fix __le32/__le64 accessors in debugfs code
    - USB: serial: whiteheat: fix potential slab corruption
    - USB: serial: whiteheat: fix line-speed endianness
    - xhci: Fix use-after-free regression in xhci clear hub TT implementation
    - scsi: qla2xxx: Fix partial flash write of MBI
    - scsi: target: cxgbit: Fix cxgbit_fw4_ack()
    - HID: i2c-hid: add Trekstor Primebook C11B to descriptor override
    - HID: Fix assumption that devices have inputs
    - HID: fix error message in hid_open_report()
    - HID: logitech-hidpp: split g920_get_config()
    - HID: logitech-hidpp: rework device validation
    - HID: logitech-hidpp: do all FF cleanup in hidpp_ff_destroy()
    - um-ubd: Entrust re-queue to the upper layers
    - s390/unwind: fix mixing regs and sp
    - s390/cmm: fix information leak in cmm_timeout_handler()
    - s390/idle: fix cpu idle time calculation
    - ARC: perf: Accommodate big-endian CPU
    - IB/hfi1: Avoid excessive retry for TID RDMA READ request
    - arm64: Ensure VM_WRITE|VM_SHARED ptes are clean by default
    - arm64: cpufeature: Enable Qualcomm Falkor/Kryo errata 1003
    - virtio_ring: fix stalls for packed rings
    - rtlwifi: rtl_pci: Fix problem of too small skb->len
    - dmaengine: qcom: bam_dma: Fix resource leak
    - dmaengine: tegra210-adma: fix transfer failure
    - dmaengine: imx-sdma: fix size check for sdma script_number
    - dmaengine: cppi41: Fix cppi41_dma_prep_slave_sg() when idle
    - drm/amdgpu/gmc10: properly set BANK_SELECT and FRAGMENT_SIZE
    - drm/i915: Fix PCH reference clock for FDI on HSW/BDW
    - drm/amdgpu/gfx10: update gfx golden settings
    - drm/amdgpu/powerplay/vega10: allow undervolting in p7
    - drm/amdgpu: Fix SDMA hang when performing VKexample test
    - NFS: Fix an RCU lock leak in nfs4_refresh_delegation_stateid()
    - io_uring: ensure we clear io_kiocb->result before each issue
    - iommu/vt-d: Fix panic after kexec -p for kdump
    - batman-adv: Avoid free/alloc race when handling OGM buffer
    - llc: fix sk_buff leak in llc_sap_state_process()
    - llc: fix sk_buff leak in llc_conn_service()
    - rxrpc: Fix call ref leak
    - rxrpc: rxrpc_peer needs to hold a ref on the rxrpc_local record
    - rxrpc: Fix trace-after-put looking at the put peer record
    - NFC: pn533: fix use-after-free and memleaks
    - bonding: fix potential NULL deref in bond_update_slave_arr
    - netfilter: conntrack: avoid possible false sharing
    - net: usb: sr9800: fix uninitialized local variable
    - sch_netem: fix rcu splat in netem_enqueue()
    - net: sched: sch_sfb: don't call qdisc_put() while holding tree lock
    - iwlwifi: exclude GEO SAR support for 3168
    - sched/fair: Fix low cpu usage with high throttling by removing expiration of
      cpu-local slices
    - ALSA: usb-audio: DSD auto-detection for Playback Designs
    - ALSA: usb-audio: Update DSD support quirks for Oppo and Rotel
    - ALSA: usb-audio: Add DSD support for Gustard U16/X26 USB Interface
    - RDMA/mlx5: Use irq xarray locking for mkey_table
    - sched/fair: Fix -Wunused-but-set-variable warnings
    - powerpc/powernv: Fix CPU idle to be called with IRQs disabled
    - Revert "nvme: allow 64-bit results in passthru commands"
    - Revert "ALSA: hda: Flush interrupts on disabling"
    - Linux 5.3.9
    - [Config] Remove CONFIG_GENERIC_COMPAT_VDSO and
      CONFIG_CROSS_COMPILE_COMPAT_VDSO

  * Eoan update: v5.3.8 upstream stable release (LP: #1850456)
    - drm: Free the writeback_job when it with an empty fb
    - drm: Clear the fence pointer when writeback job signaled
    - clk: ti: dra7: Fix mcasp8 clock bits
    - ARM: dts: Fix wrong clocks for dra7 mcasp
    - nvme-pci: Fix a race in controller removal
    - scsi: ufs: skip shutdown if hba is not powered
    - scsi: megaraid: disable device when probe failed after enabled device
    - scsi: qla2xxx: Silence fwdump template message
    - scsi: qla2xxx: Fix unbound sleep in fcport delete path.
    - scsi: qla2xxx: Fix stale mem access on driver unload
    - scsi: qla2xxx: Fix N2N link reset
    - scsi: qla2xxx: Fix N2N link up fail
    - ARM: dts: Fix gpio0 flags for am335x-icev2
    - ARM: OMAP2+: Fix missing reset done flag for am3 and am43
    - ARM: OMAP2+: Add missing LCDC midlemode for am335x
    - ARM: OMAP2+: Fix warnings with broken omap2_set_init_voltage()
    - nvme-tcp: fix wrong stop condition in io_work
    - nvme-pci: Save PCI state before putting drive into deepest state
    - nvme: fix an error code in nvme_init_subsystem()
    - nvme-rdma: Fix max_hw_sectors calculation
    - Added QUIRKs for ADATA XPG SX8200 Pro 512GB
    - nvme: Add quirk for Kingston NVME SSD running FW E8FK11.T
    - nvme: allow 64-bit results in passthru commands
    - drm/komeda: prevent memory leak in komeda_wb_connector_add
    - nvme-rdma: fix possible use-after-free in connect timeout
    - blk-mq: honor IO scheduler for multiqueue devices
    - ieee802154: ca8210: prevent memory leak
    - ARM: dts: am4372: Set memory bandwidth limit for DISPC
    - net: dsa: qca8k: Use up to 7 ports for all operations
    - MIPS: dts: ar9331: fix interrupt-controller size
    - xen/efi: Set nonblocking callbacks
    - loop: change queue block size to match when using DIO
    - nl80211: fix null pointer dereference
    - mac80211: fix txq null pointer dereference
    - netfilter: nft_connlimit: disable bh on garbage collection
    - net: mscc: ocelot: add missing of_node_put after calling
      of_get_child_by_name
    - net: dsa: rtl8366rb: add missing of_node_put after calling
      of_get_child_by_name
    - net: stmmac: xgmac: Not all Unicast addresses may be available
    - net: stmmac: dwmac4: Always update the MAC Hash Filter
    - net: stmmac: Correctly take timestamp for PTPv2
    - net: stmmac: Do not stop PHY if WoL is enabled
    - net: ag71xx: fix mdio subnode support
    - RISC-V: Clear load reservations while restoring hart contexts
    - riscv: Fix memblock reservation for device tree blob
    - drm/amdgpu: fix multiple memory leaks in acp_hw_init
    - drm/amd/display: memory leak
    - mips: Loongson: Fix the link time qualifier of 'serial_exit()'
    - net: hisilicon: Fix usage of uninitialized variable in function
      mdio_sc_cfg_reg_write()
    - net: stmmac: Avoid deadlock on suspend/resume
    - selftests: kvm: Fix libkvm build error
    - lib: textsearch: fix escapes in example code
    - s390/mm: fix -Wunused-but-set-variable warnings
    - net: phy: allow for reset line to be tied to a sleepy GPIO controller
    - net: phy: fix write to mii-ctrl1000 register
    - namespace: fix namespace.pl script to support relative paths
    - Convert filldir[64]() from __put_user() to unsafe_put_user()
    - elf: don't use MAP_FIXED_NOREPLACE for elf executable mappings
    - Make filldir[64]() verify the directory entry filename is valid
    - uaccess: implement a proper unsafe_copy_to_user() and switch filldir over to
      it
    - filldir[64]: remove WARN_ON_ONCE() for bad directory entries
    - net_sched: fix backward compatibility for TCA_KIND
    - net_sched: fix backward compatibility for TCA_ACT_KIND
    - libata/ahci: Fix PCS quirk application
    - Revert "drm/radeon: Fix EEH during kexec"
    - ocfs2: fix panic due to ocfs2_wq is null
    - nvme-pci: Set the prp2 correctly when using more than 4k page
    - ipv4: fix race condition between route lookup and invalidation
    - ipv4: Return -ENETUNREACH if we can't create route but saddr is valid
    - net: avoid potential infinite loop in tc_ctl_action()
    - net: bcmgenet: Fix RGMII_MODE_EN value for GENET v1/2/3
    - net: bcmgenet: Set phydev->dev_flags only for internal PHYs
    - net: i82596: fix dma_alloc_attr for sni_82596
    - net/ibmvnic: Fix EOI when running in XIVE mode.
    - net: ipv6: fix listify ip6_rcv_finish in case of forwarding
    - net: stmmac: disable/enable ptp_ref_clk in suspend/resume flow
    - rxrpc: Fix possible NULL pointer access in ICMP handling
    - sched: etf: Fix ordering of packets with same txtime
    - sctp: change sctp_prot .no_autobind with true
    - net: aquantia: temperature retrieval fix
    - net: aquantia: when cleaning hw cache it should be toggled
    - net: aquantia: do not pass lro session with invalid tcp checksum
    - net: aquantia: correctly handle macvlan and multicast coexistence
    - net: phy: micrel: Discern KSZ8051 and KSZ8795 PHYs
    - net: phy: micrel: Update KSZ87xx PHY name
    - net: avoid errors when trying to pop MLPS header on non-MPLS packets
    - net/sched: fix corrupted L2 header with MPLS 'push' and 'pop' actions
    - netdevsim: Fix error handling in nsim_fib_init and nsim_fib_exit
    - net: ethernet: broadcom: have drivers select DIMLIB as needed
    - net: phy: Fix "link partner" information disappear issue
    - rxrpc: use rcu protection while reading sk->sk_user_data
    - io_uring: fix bad inflight accounting for SETUP_IOPOLL|SETUP_SQTHREAD
    - io_uring: Fix corrupted user_data
    - USB: legousbtower: fix memleak on disconnect
    - ALSA: hda/realtek - Add support for ALC711
    - ALSA: hda/realtek - Enable headset mic on Asus MJ401TA
    - ALSA: usb-audio: Disable quirks for BOSS Katana amplifiers
    - ALSA: hda - Force runtime PM on Nvidia HDMI codecs
    - usb: udc: lpc32xx: fix bad bit shift operation
    - USB: serial: ti_usb_3410_5052: fix port-close races
    - USB: ldusb: fix memleak on disconnect
    - USB: usblp: fix use-after-free on disconnect
    - USB: ldusb: fix read info leaks
    - binder: Don't modify VMA bounds in ->mmap handler
    - MIPS: tlbex: Fix build_restore_pagemask KScratch restore
    - staging: wlan-ng: fix exit return when sme->key_idx >= NUM_WEPKEYS
    - scsi: zfcp: fix reaction on bit error threshold notification
    - scsi: sd: Ignore a failure to sync cache due to lack of authorization
    - scsi: core: save/restore command resid for error handling
    - scsi: core: try to get module before removing device
    - scsi: ch: Make it possible to open a ch device multiple times again
    - Revert "Input: elantech - enable SMBus on new (2018+) systems"
    - Input: da9063 - fix capability and drop KEY_SLEEP
    - Input: synaptics-rmi4 - avoid processing unknown IRQs
    - Input: st1232 - fix reporting multitouch coordinates
    - ASoC: rsnd: Reinitialize bit clock inversion flag for every format setting
    - ACPI: CPPC: Set pcc_data[pcc_ss_id] to NULL in acpi_cppc_processor_exit()
    - ACPI: NFIT: Fix unlock on error in scrub_show()
    - iwlwifi: pcie: change qu with jf devices to use qu configuration
    - cfg80211: wext: avoid copying malformed SSIDs
    - mac80211: Reject malformed SSID elements
    - drm/ttm: Restore ttm prefaulting
    - drm/panfrost: Handle resetting on timeout better
    - drm/amdgpu: Bail earlier when amdgpu.cik_/si_support is not set to 1
    - drm/amdgpu/sdma5: fix mask value of POLL_REGMEM packet for pipe sync
    - drm/i915/userptr: Never allow userptr into the mappable GGTT
    - drm/i915: Favor last VBT child device with conflicting AUX ch/DDC pin
    - drm/amdgpu/vce: fix allocation size in enc ring test
    - drm/amdgpu/vcn: fix allocation size in enc ring test
    - drm/amdgpu/uvd6: fix allocation size in enc ring test (v2)
    - drm/amdgpu/uvd7: fix allocation size in enc ring test (v2)
    - drm/amdgpu: user pages array memory leak fix
    - drivers/base/memory.c: don't access uninitialized memmaps in
      soft_offline_page_store()
    - fs/proc/page.c: don't access uninitialized memmaps in fs/proc/page.c
    - io_uring: Fix broken links with offloading
    - io_uring: Fix race for sqes with userspace
    - io_uring: used cached copies of sq->dropped and cq->overflow
    - mmc: mxs: fix flags passed to dmaengine_prep_slave_sg
    - mmc: cqhci: Commit descriptors before setting the doorbell
    - mmc: sdhci-omap: Fix Tuning procedure for temperatures < -20C
    - mm/memory-failure.c: don't access uninitialized memmaps in memory_failure()
    - mm/slub: fix a deadlock in show_slab_objects()
    - mm/page_owner: don't access uninitialized memmaps when reading
      /proc/pagetypeinfo
    - mm/memunmap: don't access uninitialized memmap in memunmap_pages()
    - mm: memcg/slab: fix panic in __free_slab() caused by premature memcg pointer
      release
    - mm, compaction: fix wrong pfn handling in __reset_isolation_pfn()
    - mm: memcg: get number of pages on the LRU list in memcgroup base on
      lru_zone_size
    - mm: memblock: do not enforce current limit for memblock_phys* family
    - hugetlbfs: don't access uninitialized memmaps in pfn_range_valid_gigantic()
    - mm/memory-failure: poison read receives SIGKILL instead of SIGBUS if mmaped
      more than once
    - zram: fix race between backing_dev_show and backing_dev_store
    - xtensa: drop EXPORT_SYMBOL for outs*/ins*
    - xtensa: fix change_bit in exclusive access option
    - s390/zcrypt: fix memleak at release
    - s390/kaslr: add support for R_390_GLOB_DAT relocation type
    - lib/vdso: Make clock_getres() POSIX compliant again
    - parisc: Fix vmap memory leak in ioremap()/iounmap()
    - EDAC/ghes: Fix Use after free in ghes_edac remove path
    - arm64: KVM: Trap VM ops when ARM64_WORKAROUND_CAVIUM_TX2_219_TVM is set
    - arm64: Avoid Cavium TX2 erratum 219 when switching TTBR
    - arm64: Enable workaround for Cavium TX2 erratum 219 when running SMT
    - arm64: Allow CAVIUM_TX2_ERRATUM_219 to be selected
    - CIFS: avoid using MID 0xFFFF
    - cifs: Fix missed free operations
    - CIFS: Fix use after free of file info structures
    - perf/aux: Fix AUX output stopping
    - tracing: Fix race in perf_trace_buf initialization
    - fs/dax: Fix pmd vs pte conflict detection
    - dm cache: fix bugs when a GFP_NOWAIT allocation fails
    - irqchip/sifive-plic: Switch to fasteoi flow
    - x86/boot/64: Make level2_kernel_pgt pages invalid outside kernel area
    - x86/apic/x2apic: Fix a NULL pointer deref when handling a dying cpu
    - x86/hyperv: Make vapic support x2apic mode
    - pinctrl: cherryview: restore Strago DMI workaround for all versions
    - pinctrl: armada-37xx: fix control of pins 32 and up
    - pinctrl: armada-37xx: swap polarity on LED group
    - btrfs: block-group: Fix a memory leak due to missing btrfs_put_block_group()
    - Btrfs: add missing extents release on file extent cluster relocation error
    - btrfs: don't needlessly create extent-refs kernel thread
    - Btrfs: fix qgroup double free after failure to reserve metadata for delalloc
    - Btrfs: check for the full sync flag while holding the inode lock during
      fsync
    - btrfs: tracepoints: Fix wrong parameter order for qgroup events
    - btrfs: tracepoints: Fix bad entry members of qgroup events
    - KVM: PPC: Book3S HV: XIVE: Ensure VP isn't already in use
    - memstick: jmb38x_ms: Fix an error handling path in 'jmb38x_ms_probe()'
    - cpufreq: Avoid cpufreq_suspend() deadlock on system shutdown
    - ceph: just skip unrecognized info in ceph_reply_info_extra
    - xen/netback: fix error path of xenvif_connect_data()
    - PCI: PM: Fix pci_power_up()
    - opp: of: drop incorrect lockdep_assert_held()
    - of: reserved_mem: add missing of_node_put() for proper ref-counting
    - blk-rq-qos: fix first node deletion of rq_qos_del()
    - RDMA/cxgb4: Do not dma memory off of the stack
    - Linux 5.3.8
    - [Config] CONFIG_CAVIUM_TX2_ERRATUM_219=y

  * Eoan update: 5.3.10 upstream stable release (LP: #1852111)
    - regulator: of: fix suspend-min/max-voltage parsing
    - ASoC: samsung: arndale: Add missing OF node dereferencing
    - ASoC: wm8994: Do not register inapplicable controls for WM1811
    - regulator: da9062: fix suspend_enable/disable preparation
    - ASoC: topology: Fix a signedness bug in soc_tplg_dapm_widget_create()
    - arm64: dts: allwinner: a64: pine64-plus: Add PHY regulator delay
    - arm64: dts: allwinner: a64: Drop PMU node
    - arm64: dts: allwinner: a64: sopine-baseboard: Add PHY regulator delay
    - arm64: dts: Fix gpio to pinmux mapping
    - regulator: ti-abb: Fix timeout in ti_abb_wait_txdone/ti_abb_clear_all_txdone
    - pinctrl: intel: Allocate IRQ chip dynamic
    - ASoC: SOF: loader: fix kernel oops on firmware boot failure
    - ASoC: SOF: topology: fix parse fail issue for byte/bool tuple types
    - ASoC: SOF: Intel: hda: fix warnings during FW load
    - ASoC: SOF: Intel: initialise and verify FW crash dump data.
    - ASoC: SOF: Intel: hda: Disable DMI L1 entry during capture
    - ASoC: rt5682: add NULL handler to set_jack function
    - ASoC: intel: sof_rt5682: add remove function to disable jack
    - ASoC: intel: bytcr_rt5651: add null check to support_button_press
    - regulator: pfuze100-regulator: Variable "val" in pfuze100_regulator_probe()
      could be uninitialized
    - ASoC: wm_adsp: Don't generate kcontrols without READ flags
    - ASoc: rockchip: i2s: Fix RPM imbalance
    - arm64: dts: rockchip: fix Rockpro64 RK808 interrupt line
    - ARM: dts: logicpd-torpedo-som: Remove twl_keypad
    - arm64: dts: rockchip: fix RockPro64 vdd-log regulator settings
    - arm64: dts: rockchip: fix RockPro64 sdhci settings
    - pinctrl: ns2: Fix off by one bugs in ns2_pinmux_enable()
    - pinctrl: stmfx: fix null pointer on remove
    - arm64: dts: zii-ultra: fix ARM regulator states
    - ARM: dts: am3874-iceboard: Fix 'i2c-mux-idle-disconnect' usage
    - ASoC: msm8916-wcd-digital: add missing MIX2 path for RX1/2
    - ASoC: simple_card_utils.h: Fix potential multiple redefinition error
    - ARM: dts: Use level interrupt for omap4 & 5 wlcore
    - ARM: mm: fix alignment handler faults under memory pressure
    - scsi: qla2xxx: fix a potential NULL pointer dereference
    - scsi: scsi_dh_alua: handle RTPG sense code correctly during state
      transitions
    - scsi: sni_53c710: fix compilation error
    - scsi: fix kconfig dependency warning related to 53C700_LE_ON_BE
    - ARM: 8908/1: add __always_inline to functions called from __get_user_check()
    - ARM: 8914/1: NOMMU: Fix exc_ret for XIP
    - arm64: dts: rockchip: fix RockPro64 sdmmc settings
    - arm64: dts: rockchip: Fix usb-c on Hugsun X99 TV Box
    - arm64: dts: lx2160a: Correct CPU core idle state name
    - ARM: dts: imx6q-logicpd: Re-Enable SNVS power key
    - ARM: dts: vf610-zii-scu4-aib: Specify 'i2c-mux-idle-disconnect'
    - ARM: dts: imx7s: Correct GPT's ipg clock source
    - arm64: dts: imx8mq: Use correct clock for usdhc's ipg clk
    - arm64: dts: imx8mm: Use correct clock for usdhc's ipg clk
    - perf tools: Fix resource leak of closedir() on the error paths
    - perf c2c: Fix memory leak in build_cl_output()
    - 8250-men-mcb: fix error checking when get_num_ports returns -ENODEV
    - perf kmem: Fix memory leak in compact_gfp_flags()
    - ARM: davinci: dm365: Fix McBSP dma_slave_map entry
    - drm/amdgpu: fix potential VM faults
    - drm/amdgpu: fix error handling in amdgpu_bo_list_create
    - scsi: target: core: Do not overwrite CDB byte 1
    - scsi: hpsa: add missing hunks in reset-patch
    - ASoC: Intel: sof-rt5682: add a check for devm_clk_get
    - ASoC: SOF: control: return true when kcontrol values change
    - tracing: Fix "gfp_t" format for synthetic events
    - ARM: dts: bcm2837-rpi-cm3: Avoid leds-gpio probing issue
    - i2c: aspeed: fix master pending state handling
    - drm/komeda: Don't flush inactive pipes
    - ARM: 8926/1: v7m: remove register save to stack before svc
    - selftests: kvm: vmx_set_nested_state_test: don't check for VMX support twice
    - selftests: kvm: fix sync_regs_test with newer gccs
    - ALSA: hda: Add Tigerlake/Jasperlake PCI ID
    - of: unittest: fix memory leak in unittest_data_add
    - MIPS: bmips: mark exception vectors as char arrays
    - irqchip/gic-v3-its: Use the exact ITSList for VMOVP
    - i2c: mt65xx: fix NULL ptr dereference
    - i2c: stm32f7: fix first byte to send in slave mode
    - i2c: stm32f7: fix a race in slave mode with arbitration loss irq
    - i2c: stm32f7: remove warning when compiling with W=1
    - cifs: Fix cifsInodeInfo lock_sem deadlock when reconnect occurs
    - irqchip/sifive-plic: Skip contexts except supervisor in plic_init()
    - nbd: protect cmd->status with cmd->lock
    - nbd: handle racing with error'ed out commands
    - cxgb4: fix panic when attaching to ULD fail
    - cxgb4: request the TX CIDX updates to status page
    - dccp: do not leak jiffies on the wire
    - erspan: fix the tun_info options_len check for erspan
    - inet: stop leaking jiffies on the wire
    - net: annotate accesses to sk->sk_incoming_cpu
    - net: annotate lockless accesses to sk->sk_napi_id
    - net: dsa: bcm_sf2: Fix IMP setup for port different than 8
    - net: ethernet: ftgmac100: Fix DMA coherency issue with SW checksum
    - net: fix sk_page_frag() recursion from memory reclaim
    - net: hisilicon: Fix ping latency when deal with high throughput
    - net/mlx4_core: Dynamically set guaranteed amount of counters per VF
    - netns: fix GFP flags in rtnl_net_notifyid()
    - net: rtnetlink: fix a typo fbd -> fdb
    - net: usb: lan78xx: Disable interrupts before calling generic_handle_irq()
    - SAUCE: Revert "UBUNTU: SAUCE: (no-up) net: Zeroing the structure
      ethtool_wolinfo in ethtool_get_wol()"
    - net: Zeroing the structure ethtool_wolinfo in ethtool_get_wol()
    - selftests: net: reuseport_dualstack: fix uninitalized parameter
    - udp: fix data-race in udp_set_dev_scratch()
    - vxlan: check tun_info options_len properly
    - net: add skb_queue_empty_lockless()
    - udp: use skb_queue_empty_lockless()
    - net: use skb_queue_empty_lockless() in poll() handlers
    - net: use skb_queue_empty_lockless() in busy poll contexts
    - net: add READ_ONCE() annotation in __skb_wait_for_more_packets()
    - ipv4: fix route update on metric change.
    - selftests: fib_tests: add more tests for metric update
    - net/smc: fix closing of fallback SMC sockets
    - net/smc: keep vlan_id for SMC-R in smc_listen_work()
    - keys: Fix memory leak in copy_net_ns
    - net: phylink: Fix phylink_dbg() macro
    - rxrpc: Fix handling of last subpacket of jumbo packet
    - net/mlx5e: Determine source port properly for vlan push action
    - net/mlx5e: Remove incorrect match criteria assignment line
    - net/mlx5e: Initialize on stack link modes bitmap
    - net/mlx5: Fix flow counter list auto bits struct
    - net/smc: fix refcounting for non-blocking connect()
    - net/mlx5: Fix rtable reference leak
    - mlxsw: core: Unpublish devlink parameters during reload
    - r8169: fix wrong PHY ID issue with RTL8168dp
    - net/mlx5e: Fix ethtool self test: link speed
    - net/mlx5e: Fix handling of compressed CQEs in case of low NAPI budget
    - ipv4: fix IPSKB_FRAG_PMTU handling with fragmentation
    - net: bcmgenet: don't set phydev->link from MAC
    - net: dsa: b53: Do not clear existing mirrored port mask
    - net: dsa: fix switch tree list
    - net: ensure correct skb->tstamp in various fragmenters
    - net: hns3: fix mis-counting IRQ vector numbers issue
    - net: netem: fix error path for corrupted GSO frames
    - net: reorder 'struct net' fields to avoid false sharing
    - net: usb: lan78xx: Connect PHY before registering MAC
    - r8152: add device id for Lenovo ThinkPad USB-C Dock Gen 2
    - net: netem: correct the parent's backlog when corrupted packet was dropped
    - net: phy: bcm7xxx: define soft_reset for 40nm EPHY
    - net: bcmgenet: reset 40nm EPHY on energy detect
    - net/flow_dissector: switch to siphash
    - platform/x86: pmc_atom: Add Siemens SIMATIC IPC227E to critclk_systems DMI
      table
    - CIFS: Fix retry mid list corruption on reconnects
    - selftests/powerpc: Add test case for tlbie vs mtpidr ordering issue
    - selftests/powerpc: Fix compile error on tlbie_test due to newer gcc
    - ASoC: pcm3168a: The codec does not support S32_LE
    - arm64: dts: ti: k3-am65-main: Fix gic-its node unit-address
    - usb: gadget: udc: core: Fix segfault if udc_bind_to_driver() for pending
      driver fails
    - Linux 5.3.10
    - [Config] SND_SOC_SOF_HDA_ALWAYS_ENABLE_DMI_L1=n

  * Some EFI systems fail to boot in efi_init() when booted via maas
    (LP: #1851810)
    - efi: efi_get_memory_map -- increase map headroom

  * dkms artifacts may expire from the pool (LP: #1850958)
    - [Packaging] dkms -- try launchpad librarian for pool downloads
    - [Packaging] dkms -- dkms-build quieten wget verbiage

  * update ENA driver to version 2.1.0 (LP: #1850175)
    - net: ena: don't wake up tx queue when down
    - net: ena: clean up indentation issue

  * drm/i915: Add support for another CMP-H PCH (LP: #1848491)
    - drm/i915/cml: Add second PCH ID for CMP

  * Add Intel Comet Lake ethernet support (LP: #1848555)
    - SAUCE: e1000e: Add support for Comet Lake

  * seccomp: fix SECCOMP_USER_NOTIF_FLAG_CONTINUE test (LP: #1849281)
    - SAUCE: seccomp: rework define for SECCOMP_USER_NOTIF_FLAG_CONTINUE
    - SAUCE: seccomp: avoid overflow in implicit constant conversion
    - SAUCE: seccomp: fix SECCOMP_USER_NOTIF_FLAG_CONTINUE test

  * tsc marked unstable after entered PC10 on Intel CoffeeLake (LP: #1840239)
    - SAUCE: x86/intel: Disable HPET on Intel Coffe Lake platforms
    - SAUCE: x86/intel: Disable HPET on Intel Ice Lake platforms

  * cloudimg: no iavf/i40evf module so no network available with SR-IOV enabled
    cloud (LP: #1848481)
    - [Packaging] include iavf/i40evf in generic

  * High power consumption using 5.0.0-25-generic (LP: #1840835)
    - PCI: Add a helper to check Power Resource Requirements _PR3 existence
    - ALSA: hda: Allow HDA to be runtime suspended when dGPU is not bound to a
      driver
    - PCI: Fix missing inline for pci_pr3_present()

  * CML CPUIDs (LP: #1843794)
    - x86/cpu: Add Comet Lake to the Intel CPU models header

  * shiftfs: prevent exceeding project quotas (LP: #1849483)
    - SAUCE: shiftfs: drop CAP_SYS_RESOURCE from effective capabilities

  * shiftfs: fix fallocate() (LP: #1849482)
    - SAUCE: shiftfs: setup correct s_maxbytes limit

  * Bluetooth: hidp: Fix assumptions on the return value of hidp_send_message
    (LP: #1850443)
    - Bluetooth: hidp: Fix assumptions on the return value of hidp_send_message

  * [SRU][B/OEM-B/OEM-OSP1/D/E] UBUNTU: SAUCE: add rtl623 codec support and fix
    mic issues (LP: #1850599)
    - SAUCE: ALSA: hda/realtek - Add support for ALC623
    - SAUCE: ALSA: hda/realtek - Fix 2 front mics of codec 0x623

  * Suppress "hid_field_extract() called with n (192) > 32!" message floods
    (LP: #1850600)
    - HID: core: reformat and reduce hid_printk macros
    - HID: core: Add printk_once variants to hid_warn() etc
    - HID: core: fix dmesg flooding if report field larger than 32bit

  * ubuntu-aufs-modified mmap_region() breaks refcounting in overlayfs/shiftfs
    error path (LP: #1850994) // CVE-2019-15794
    - SAUCE: shiftfs: Restore vm_file value when lower fs mmap fails
    - SAUCE: ovl: Restore vm_file value when lower fs mmap fails

  * s_iflags overlap prevents unprivileged overlayfs mounts (LP: #1851677)
    - SAUCE: fs: Move SB_I_NOSUID to the top of s_iflags

  * root can lift kernel lockdown (LP: #1851380)
    - SAUCE: (efi-lockdown) Really don't allow lifting lockdown from userspace

  * Colour banding in Lenovo G50-80 laptop display (i915) (LP: #1819968) // Eoan
    update: v5.3.8 upstream stable release (LP: #1850456)
    - drm/edid: Add 6 bpc quirk for SDC panel in Lenovo G50

 -- Connor Kuehl <connor.kuehl@xxxxxxxxxxxxx>  Wed, 13 Nov 2019 14:41:52
-0800

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

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https://bugs.launchpad.net/bugs/1819968

Title:
  Colour banding in Lenovo G50-80 laptop display (i915)

Status in linux package in Ubuntu:
  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 Disco:
  Fix Committed
Status in linux source package in Eoan:
  Fix Released

Bug description:
  Colour bandind is visible everywhere in the system. I believe it's not
  a hardware problem, since booting with 'nomodeset' works as expected
  and the previously installed Ubuntu 14.04 also worked.

  I tried installing kernel 4.18.0-16.17 from ppa:canonical-kernel-
  team/ppa but the problem remained.

  There were already similar bugs,
  https://bugs.launchpad.net/bugs/1749420 ,
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1794387 and
  https://bugs.launchpad.net/bugs/1788308, but the fixes provided for
  those bugs did not work for my specific monitor.

  cat /proc/version_signature
  Ubuntu 4.15.0-46.49-generic 4.15.18

  sudo lspci -vnvn
  00:00.0 Host bridge [0600]: Intel Corporation Haswell-ULT DRAM Controller [8086:0a04] (rev 0b)
   Subsystem: Lenovo Haswell-ULT DRAM Controller [17aa:390b]
   Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
   Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
   Latency: 0
   Capabilities: [e0] Vendor Specific Information: Len=0c <?>
   Kernel driver in use: hsw_uncore

  00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Haswell-ULT Integrated Graphics Controller [17aa:390b]
   Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
   Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
   Latency: 0
   Interrupt: pin A routed to IRQ 46
   Region 0: Memory at b0000000 (64-bit, non-prefetchable) [size=4M]
   Region 2: Memory at a0000000 (64-bit, prefetchable) [size=256M]
   Region 4: I/O ports at 4000 [size=64]
   [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
   Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
    Address: fee02004  Data: 4023
   Capabilities: [d0] Power Management version 2
    Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
    Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
   Capabilities: [a4] PCI Advanced Features
    AFCap: TP+ FLR+
    AFCtrl: FLR-
    AFStatus: TP-
   Kernel driver in use: i915
   Kernel modules: i915

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