This bug was fixed in the package linux-raspi - 6.5.0-1002.2

---------------
linux-raspi (6.5.0-1002.2) mantic; urgency=medium

  * mantic/linux-raspi: 6.5.0-1002.2 -proposed tracker (LP: #2033637)

  * Packaging resync (LP: #1786013)
    - [Packaging] update update.conf

  * Miscellaneous Ubuntu changes
    - [Config] raspi: Add notes to configs that differ from master
    - [Config] raspi: Set CONFIG_ARM_ERRATA_<foo>=n
    - [Config] raspi: Set PREEMPT_DYNAMIC=y
    - [Config] raspi: Set STAGING_MEDIA_DEPRECATED=n
    - [Config] raspi: Set EFI=n
    - [Config] raspi: Set POWER_RESET_GPIO_RESTART=n
    - [Config] raspi: Set HID_BPF=n
    - [Config] raspi: Set COMMON_CLK_FIXED_MMIO=n
    - [Config] raspi: Set PWM_STMPE=n
    - [Config] raspi: Set LEDS_SYSCON=n
    - [Packaging] raspi: Include bcm2835_smi module in linux-modules
    - SAUCE: (no-up) Disable FIQ split-transaction FSM in dwc_otg

  * Miscellaneous upstream changes
    - drivers: media: imx296: Updated imx296 driver for external trigger
    - char: broadcom: vc_mem: Fix preprocessor conditional
    - drivers: dwc_otg: Fix fallthrough warnings
    - vc04_services/vc-sm-cma: Switch one-bit bitfields to bool
    - media: i2c: ov2311: Fix uninitialized variable usage
    - drm/panel: Fix default values for Waveshare 7.9 inch DSI touchscreen 
(#5565)
    - dtoverlays: Add i2c bus overrides to edt-ft5406 overlay
    - dtoverlays: Fix README text for i2c-fan
    - drivers: irqchip: irq-bcm2835: Concurrency fix
    - defconfigs: Add TINYDRM_ILI9486 to defconfigs
    - dtoverlays: Add drm option to piscreen overlay
    - drm/ili9486: Resolve clash in spi_device_id names
    - input: ads7846: Add missing spi_device_id strings
    - staging: bcm2835-codec: Downgrade the level for a debug message
    - configs: Raise 8250 UART limit to 5 on BCM2711

  [ Ubuntu: 6.5.0-5.5 ]

  * mantic/linux: 6.5.0-5.5 -proposed tracker (LP: #2034546)
  * Packaging resync (LP: #1786013)
    - [Packaging] update helper scripts
    - debian/dkms-versions -- update from kernel-versions (main/d2023.08.23)

  [ Ubuntu: 6.5.0-4.4 ]

  * mantic/linux: 6.5.0-4.4 -proposed tracker (LP: #2034042)
  * Packaging resync (LP: #1786013)
    - debian/dkms-versions -- update from kernel-versions (main/d2023.08.23)

  [ Ubuntu: 6.5.0-3.3 ]

  * mantic/linux: 6.5.0-3.3 -proposed tracker (LP: #2033904)
  * Packaging resync (LP: #1786013)
    - debian/dkms-versions -- update from kernel-versions (main/d2023.08.23)
  * [23.10] Please test secure-boot and lockdown on the early 6.5 kernel (s390x)
    (LP: #2026833)
    - [Packaging] re-enable signing for s390x
  * Miscellaneous upstream changes
    - module/decompress: use vmalloc() for zstd decompression workspace

  [ Ubuntu: 6.5.0-2.2 ]

  * mantic/linux: 6.5.0-2.2 -proposed tracker (LP: #2033240)
  * Soundwire support for Dell SKU0C87 devices (LP: #2029281)
    - SAUCE: ASoC: Intel: soc-acpi: add support for Dell SKU0C87 devices
  * Fix numerous AER related issues (LP: #2033025)
    - SAUCE: PCI/AER: Disable AER service during suspend, again
    - SAUCE: PCI/DPC: Disable DPC service during suspend, again
  * Support Realtek RTL8852CE WiFi 6E/BT Combo (LP: #2025672)
    - wifi: rtw89: debug: Fix error handling in 
rtw89_debug_priv_btc_manual_set()
    - Bluetooth: btrtl: Load FW v2 otherwise FW v1 for RTL8852C
  * Rebase to v6.5

  [ Ubuntu: 6.5.0-1.1 ]

  * mantic/linux: 6.5.0-1.1 -proposed tracker (LP: #2032750)
  * Packaging resync (LP: #1786013)
    - [Packaging] resync update-dkms-versions helper
    - [Packaging] update variants
    - debian/dkms-versions -- update from kernel-versions (main/d2023.07.26)
  * ceph: support idmapped mounts (LP: #2032959)
    - SAUCE: libceph: add spinlock around osd->o_requests
    - SAUCE: libceph: define struct ceph_sparse_extent and add some helpers
    - SAUCE: libceph: new sparse_read op, support sparse reads on msgr2 crc
      codepath
    - SAUCE: libceph: support sparse reads on msgr2 secure codepath
    - SAUCE: libceph: add sparse read support to msgr1
    - SAUCE: libceph: add sparse read support to OSD client
    - SAUCE: ceph: add new mount option to enable sparse reads
    - SAUCE: ceph: preallocate inode for ops that may create one
    - SAUCE: ceph: make ceph_msdc_build_path use ref-walk
    - SAUCE: libceph: add new iov_iter-based ceph_msg_data_type and
      ceph_osd_data_type
    - SAUCE: ceph: use osd_req_op_extent_osd_iter for netfs reads
    - SAUCE: ceph: fscrypt_auth handling for ceph
    - SAUCE: ceph: implement -o test_dummy_encryption mount option
    - SAUCE: ceph: add fscrypt ioctls and ceph.fscrypt.auth vxattr
    - SAUCE: ceph: make ioctl cmds more readable in debug log
    - SAUCE: ceph: add base64 endcoding routines for encrypted names
    - SAUCE: ceph: encode encrypted name in ceph_mdsc_build_path and dentry
      release
    - SAUCE: ceph: send alternate_name in MClientRequest
    - SAUCE: ceph: decode alternate_name in lease info
    - SAUCE: ceph: set DCACHE_NOKEY_NAME flag in ceph_lookup/atomic_open()
    - SAUCE: ceph: make d_revalidate call fscrypt revalidator for encrypted
      dentries
    - SAUCE: ceph: add helpers for converting names for userland presentation
    - SAUCE: ceph: make ceph_fill_trace and ceph_get_name decrypt names
    - SAUCE: ceph: pass the request to parse_reply_info_readdir()
    - SAUCE: ceph: add support to readdir for encrypted names
    - SAUCE: ceph: create symlinks with encrypted and base64-encoded targets
    - SAUCE: ceph: add some fscrypt guardrails
    - SAUCE: ceph: allow encrypting a directory while not having Ax caps
    - SAUCE: ceph: mark directory as non-complete after loading key
    - SAUCE: ceph: size handling in MClientRequest, cap updates and inode traces
    - SAUCE: ceph: handle fscrypt fields in cap messages from MDS
    - SAUCE: ceph: add infrastructure for file encryption and decryption
    - SAUCE: libceph: add CEPH_OSD_OP_ASSERT_VER support
    - SAUCE: libceph: allow ceph_osdc_new_request to accept a multi-op read
    - SAUCE: ceph: add object version support for sync read
    - SAUCE: ceph: add truncate size handling support for fscrypt
    - SAUCE: ceph: don't use special DIO path for encrypted inodes
    - SAUCE: ceph: align data in pages in ceph_sync_write
    - SAUCE: ceph: add read/modify/write to ceph_sync_write
    - SAUCE: ceph: add encryption support to writepage and writepages
    - SAUCE: ceph: plumb in decryption during reads
    - SAUCE: ceph: invalidate pages when doing direct/sync writes
    - SAUCE: ceph: add support for encrypted snapshot names
    - SAUCE: ceph: prevent snapshot creation in encrypted locked directories
    - SAUCE: ceph: update documentation regarding snapshot naming limitations
    - SAUCE: ceph: drop messages from MDS when unmounting
    - SAUCE: ceph: wait for OSD requests' callbacks to finish when unmounting
    - SAUCE: ceph: fix updating i_truncate_pagecache_size for fscrypt
    - SAUCE: ceph: switch ceph_lookup/atomic_open() to use new fscrypt helper
    - SAUCE: libceph: do not include crypto/algapi.h
    - SAUCE: rbd: bump RBD_MAX_PARENT_CHAIN_LEN to 128
    - SAUCE: ceph: dump info about cap flushes when we're waiting too long for
      them
    - SAUCE: mm: BUG if filemap_alloc_folio gives us a folio with a non-NULL
      ->private
    - SAUCE: ceph: make sure all the files successfully put before unmounting
    - SAUCE: ceph: BUG if MDS changed truncate_seq with client caps still
      outstanding
    - SAUCE: ceph: add the *_client debug macros support
    - SAUCE: ceph: pass the mdsc to several helpers
    - SAUCE: ceph: rename _to_client() to _to_fs_client()
    - SAUCE: ceph: move mdsmap.h to fs/ceph/
    - SAUCE: ceph: add ceph_inode_to_client() helper support
    - SAUCE: ceph: print the client global_id in all the debug logs
    - SAUCE: ceph: make the members in struct ceph_mds_request_args_ext an union
    - SAUCE: ceph: make num_fwd and num_retry to __u32
    - SAUCE: fs: export mnt_idmap_get/mnt_idmap_put
    - SAUCE: ceph: stash idmapping in mdsc request
    - SAUCE: ceph: handle idmapped mounts in create_request_message()
    - SAUCE: ceph: add enable_unsafe_idmap module parameter
    - SAUCE: ceph: pass an idmapping to mknod/symlink/mkdir
    - SAUCE: ceph: allow idmapped getattr inode op
    - SAUCE: ceph: allow idmapped permission inode op
    - SAUCE: ceph: pass idmap to __ceph_setattr
    - SAUCE: ceph: allow idmapped setattr inode op
    - SAUCE: ceph/acl: allow idmapped set_acl inode op
    - SAUCE: ceph/file: allow idmapped atomic_open inode op
    - SAUCE: ceph: allow idmapped mounts
  * Got soft lockup CPU if dell_uart_backlight is probed (LP: #2032174)
    - SAUCE: platform/x86: dell-uart-backlight: replace chars_in_buffer() with
      flush_chars()
  * Fix ACPI TAD  on some Intel based systems (LP: #2032767)
    - ACPI: TAD: Install SystemCMOS address space handler for ACPI000E
  * Fix unreliable ethernet cable detection on I219 NIC (LP: #2028122)
    - e1000e: Use PME poll to circumvent unreliable ACPI wake
  * Fix panel brightness issues on HP laptops (LP: #2032704)
    - ACPI: video: Put ACPI video and its child devices into D0 on boot
  * FATAL:credentials.cc(127)] Check failed: . : Permission denied (13)
    (LP: #2017980)
    - [Config] disable CONFIG_SECURITY_APPARMOR_RESTRICT_USERNS
  * Support initrdless boot on default qemu virt models and openstack
    (LP: #2030745)
    - [Config] set VIRTIO_BLK=y for default qemu/openstack boot
  * Miscellaneous Ubuntu changes
    - [Packaging] rust: use Rust 1.68.2
    - [Packaging] depend on clang/libclang-15 for Rust
    - [Config] update toolchain versions in annotations
    - [Config] update annotations after rebase to v6.5-rc6
    - [Config] update toolchain version in annotations
    - [Packaging] temporarily disable Rust support
    - [Packaging] temporarily disable signing for ppc64el
    - [Packaging] temporarily disable signing for s390x

  [ Ubuntu: 6.5.0-0.0 ]

  * Empty entry

 -- Juerg Haefliger <juerg.haefli...@canonical.com>  Fri, 08 Sep 2023
11:49:46 +0200

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

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https://bugs.launchpad.net/bugs/1970603

Title:
  DSI touchscreen not working with KMS under 5.15

Status in linux-raspi package in Ubuntu:
  Fix Released
Status in linux-raspi source package in Jammy:
  Fix Released
Status in linux-raspi source package in Kinetic:
  Fix Released
Status in linux-raspi source package in Lunar:
  Fix Released

Bug description:
  The official Raspberry Pi touchscreen (the 7" model connected via the
  DSI port) does not operate when the KMS overlay is applied (as is the
  default on the Ubuntu Desktop for Raspberry Pi images). The display
  does operate on RaspiOS Bullseye, also running kernel 5.15, when the
  KMS overlay is used. Notably, the display does work on Ubuntu with no
  KMS overlay (legacy framebuffer), or with the FKMS ("fake" KMS)
  overlay.

  The symptom is simply no output at all on the display. Sometimes there
  is the initial "rainbow" screen of the start4.elf bootloader, but then
  nothing. Notably this is *slightly* different to the Impish 5.13
  kernel. On thata version, the DSI display also failed with the KMS
  overlay, but in that case there was an initial flashing cursor
  (presumably at the start of the initrd, perhaps on a leftover
  framebuffer?) which then disappears before anything is printed. On
  5.15 there's nothing after the "rainbow".

  The symptoms are the same on both armhf and arm64 images.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: linux-raspi 5.15.0.1005.5
  ProcVersionSignature: Ubuntu 5.15.0-1005.5-raspi 5.15.30
  Uname: Linux 5.15.0-1005-raspi armv7l
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k5.15.0-1005-raspi.
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.20.11-0ubuntu82
  Architecture: armhf
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', 
'/dev/snd/controlC0', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] 
failed with exit code 1:
  CRDA: N/A
  Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
  Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
  CasperMD5CheckResult: unknown
  Date: Wed Apr 27 10:04:10 2022
  ImageMediaBuild: 20220419
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  Lspci-vt: -[0000:00]---00.0-[01]----00.0  VIA Technologies, Inc. VL805/806 
xHCI USB 3.0 Controller
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 04d9:0006 Holtek Semiconductor, Inc. Wired Keyboard 
(78/79 key) [RPI Wired Keyboard 5]
   Bus 001 Device 003: ID 05e3:0610 Genesys Logic, Inc. Hub
   Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  PciMultimedia:
   
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=C.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: coherent_pool=1M 8250.nr_uarts=1 
snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1  
smsc95xx.macaddr=DC:A6:32:33:F5:57 vc_mem.mem_base=0x3ec00000 
vc_mem.mem_size=0x40000000  console=ttyS0,115200 dwc_otg.lpm_enable=0 
console=tty1 root=LABEL=writable rootfstype=ext4 rootwait 
video=DSI-1:800x480@60,rotate=180 fixrtc quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-5.15.0-1005-raspi N/A
   linux-backports-modules-5.15.0-1005-raspi  N/A
   linux-firmware                             20220329.git681281e4-0ubuntu1
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux-raspi
  StagingDrivers: bcm2835_v4l2 bcm2835_isp vc_sm_cma bcm2835_codec 
bcm2835_mmal_vchiq snd_bcm2835
  UpgradeStatus: No upgrade log present (probably fresh install)
  acpidump:

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