Hi Philip, FYI, we had some progress...
Link to the patch: https://lore.kernel.org/all/671c1503b2702_203f412945a@iweiny- mobl.notmuch/T/#m4db285d8318895bc36e9b06417fb185b0a76dbf6 Could you please check when will Ubuntu integrate this patch? Thanks. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2077061 Title: Ubuntu 24.04 showed CXL related complaining messages when CXL capable root port did not attach CXL device Status in linux package in Ubuntu: New Bug description: Ubuntu 24.04 showed CXL related complaining messages (when CXL root port did not attach CXL device) such as below messages (refer to attached dmesg file): Couldn't locate the CXL.cache and CXL.mem capability array header. HDM decoder capability not found For more details, Please refer to the attached dmesg file How reproducible: 100% Steps to reproduce 1. Install Ubuntu 24.04 on a Lenovo server which is CXL enabled by Intel CPU and Lenovo UEFI, but there is no CXL device attached in this server. 2. Check the dmesg. 3. The above error messages are seen in the dmesg file. --- ProblemType: Bug AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Aug 28 03:14 seq crw-rw---- 1 root audio 116, 33 Aug 28 03:14 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.28.1-0ubuntu3.1 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/timer', '/dev/snd/seq'] failed with exit code 1: CRDA: N/A CasperMD5CheckResult: pass DistroRelease: Ubuntu 24.04 InstallationDate: Installed on 2024-08-28 (0 days ago) InstallationMedia: Ubuntu-Server 24.04 LTS "Noble Numbat" - Release amd64 (20240423) IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' MachineType: Lenovo ThinkSystem SR650 V4,Processor board,BHS,2U,Renesas Package: linux (not installed) PciMultimedia: ProcEnviron: LANG=en_US.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm XDG_RUNTIME_DIR=<set> ProcFB: 0 astdrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.8.0-41-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro ProcVersionSignature: Ubuntu 6.8.0-41.41-generic 6.8.12 RelatedPackageVersions: linux-restricted-modules-6.8.0-41-generic N/A linux-backports-modules-6.8.0-41-generic N/A linux-firmware 20240318.git3b128b60-0ubuntu2.2 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' Tags: noble Uname: Linux 6.8.0-41-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: N/A _MarkForUpload: True dmi.bios.date: 08/26/2024 dmi.bios.release: 0.60 dmi.bios.vendor: Lenovo dmi.bios.version: IHE105M-0.60 dmi.board.name: SB27B70050 dmi.board.vendor: Lenovo dmi.board.version: 2 dmi.chassis.type: 23 dmi.chassis.vendor: Lenovo dmi.chassis.version: None dmi.ec.firmware.release: 0.46 dmi.modalias: dmi:bvnLenovo:bvrIHE105M-0.60:bd08/26/2024:br0.60:efr0.46:svnLenovo:pnThinkSystemSR650V4,Processorboard,BHS,2U,Renesas:pvr2:rvnLenovo:rnSB27B70050:rvr2:cvnLenovo:ct23:cvrNone:sku7DGCCTO2WW: dmi.product.family: ThinkSystem dmi.product.name: ThinkSystem SR650 V4,Processor board,BHS,2U,Renesas dmi.product.sku: 7DGCCTO2WW dmi.product.version: 2 dmi.sys.vendor: Lenovo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2077061/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
