This bug was fixed in the package linux-oem-5.6 - 5.6.0-1008.8 --------------- linux-oem-5.6 (5.6.0-1008.8) focal; urgency=medium * focal/linux-oem-5.6: 5.6.0-1008.8 -proposed tracker (LP: #1871932) * [SRU][F/U/OEM-5.6] UBUNTU: SAUCE: Fix amdgpu hang during acpi event (LP: #1871316) - SAUCE: drm/amdgpu: Fix oops when pp_funcs is unset in ACPI event * [TGL] graphics kernel support (LP: #1855399) - drm/i915: Polish WM_LINETIME register stuff - drm/i915: Move linetime wms into the crtc state - drm/i915: Nuke skl wm.dirty_pipes bitmask - drm/i915: Remove skl_ddl_allocation struct - drm/i915: Move dbuf slice update to proper place - drm/i915: Update dbuf slices only with full modeset - drm/i915: Introduce parameterized DBUF_CTL - drm/i915: Manipulate DBuf slices properly - drm/i915: Correctly map DBUF slices to pipes - drm/i915/display: Set TRANS_DDI_MODE_SELECT to default value when clearing DDI select - drm/i915: Ensure no conflicts with BIOS when updating Dbuf * Focal update: v5.6.4 upstream stable release (LP: #1872944) - ipv4: fix a RCU-list lock in fib_triestat_seq_show - net: dsa: ksz: Select KSZ protocol tag - net, ip_tunnel: fix interface lookup with no key - sctp: fix possibly using a bad saddr with a given dst - sctp: fix refcount bug in sctp_wfree - net: macb: Fix handling of fixed-link node - net: fix fraglist segmentation reference count leak - udp: initialize is_flist with 0 in udp_gro_receive - padata: fix uninitialized return value in padata_replace() - brcmfmac: abort and release host after error - XArray: Fix xa_find_next for large multi-index entries - drm/bridge: analogix-anx6345: Avoid duplicate -supply suffix - drm/i915/display: Fix mode private_flags comparison at atomic_check - misc: rtsx: set correct pcr_ops for rts522A - misc: pci_endpoint_test: Fix to support > 10 pci-endpoint-test devices - misc: pci_endpoint_test: Avoid using module parameter to determine irqtype - PCI: sysfs: Revert "rescan" file renames - coresight: do not use the BIT() macro in the UAPI header - mei: me: add cedar fork device ids - nvmem: release the write-protect pin - nvmem: check for NULL reg_read and reg_write before dereferencing - nvmem: sprd: Fix the block lock operation - extcon: axp288: Add wakeup support - power: supply: axp288_charger: Add special handling for HP Pavilion x2 10 - Revert "ALSA: uapi: Drop asound.h inclusion from asoc.h" - Revert "dm: always call blk_queue_split() in dm_process_bio()" - ALSA: hda/ca0132 - Add Recon3Di quirk to handle integrated sound on EVGA X99 Classified motherboard - soc: mediatek: knows_txdone needs to be set in Mediatek CMDQ helper - perf python: Fix clang detection to strip out options passed in $CC - mm: mempolicy: require at least one nodeid for MPOL_PREFERRED - Linux 5.6.3 - cxgb4: fix MPS index overwrite when setting MAC address - ipv6: don't auto-add link-local address to lag ports - net: dsa: bcm_sf2: Do not register slave MDIO bus with OF - net: dsa: bcm_sf2: Ensure correct sub-node is parsed - net: dsa: mt7530: fix null pointer dereferencing in port5 setup - net: phy: micrel: kszphy_resume(): add delay after genphy_resume() before accessing PHY registers - net_sched: add a temporary refcnt for struct tcindex_data - net_sched: fix a missing refcnt in tcindex_init() - net: stmmac: dwmac1000: fix out-of-bounds mac address reg setting - slcan: Don't transmit uninitialized stack data in padding - tun: Don't put_page() for all negative return values from XDP program - mlxsw: spectrum_flower: Do not stop at FLOW_ACTION_VLAN_MANGLE - r8169: change back SG and TSO to be disabled by default - cxgb4: free MQPRIO resources in shutdown path - net: phy: at803x: fix clock sink configuration on ATH8030 and ATH8035 - s390: prevent leaking kernel address in BEAR - random: always use batched entropy for get_random_u{32,64} - usb: dwc3: gadget: Wrap around when skip TRBs - slub: improve bit diffusion for freelist ptr obfuscation - tools/accounting/getdelays.c: fix netlink attribute length - hwrng: imx-rngc - fix an error path - ACPI: PM: Add acpi_[un]register_wakeup_handler() - platform/x86: intel_int0002_vgpio: Use acpi_register_wakeup_handler() - ASoC: tas2562: Fixed incorrect amp_level setting. - ASoC: jz4740-i2s: Fix divider written at incorrect offset in register - IB/hfi1: Call kobject_put() when kobject_init_and_add() fails - IB/hfi1: Fix memory leaks in sysfs registration and unregistration - IB/mlx5: Replace tunnel mpls capability bits for tunnel_offloads - ubi: fastmap: Free unused fastmap anchor peb during detach - RDMA/ucma: Put a lock around every call to the rdma_cm layer - RDMA/cma: Teach lockdep about the order of rtnl and lock - RDMA/siw: Fix passive connection establishment - Bluetooth: RFCOMM: fix ODEBUG bug in rfcomm_dev_ioctl - RDMA/cm: Update num_paths in cma_resolve_iboe_route error flow - blk-mq: Keep set->nr_hw_queues and set->map[].nr_queues in sync - fbcon: fix null-ptr-deref in fbcon_switch - io-uring: drop completion when removing file - driver core: Reevaluate dev->links.need_for_probe as suppliers are added - Linux 5.6.4 -- Timo Aaltonen