I can confirm that that 5.11.0-18-generic kernel fixes the problem, The SD card is now visible and mountable on insertion.
-- 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/1929444 Title: SD card initialization on insertion fails Status in linux package in Ubuntu: New Bug description: If I boot my laptop with an SD card (actually SDXC) in the MMC slot the system sees it and I can mount and use it. If I then unmount it, remove it then re-insert it I get this in the system ,og: [ 194.673108] mmc0: card e624 removed [ 205.462065] mmc0: cannot verify signal voltage switch [ 205.567479] mmc0: error -84 whilst initialising SD card and the card cannot then be used. It was OK in groovy. It's failing in hirsute. ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: linux-image-generic 5.11.0.17.18 ProcVersionSignature: Ubuntu 5.11.0-17.18-generic 5.11.12 Uname: Linux 5.11.0-17-generic x86_64 ApportVersion: 2.20.11-0ubuntu65 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: gml4410 4153 F.... pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: KDE Date: Mon May 24 17:36:49 2021 HibernationDevice: RESUME=UUID=03dec042-8ba2-48a8-8d19-373ca2e0829c InstallationDate: Installed on 2020-08-13 (284 days ago) InstallationMedia: Kubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) MachineType: PC Specialist LTD N150CU ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-17-generic root=UUID=b21720c3-60bf-4298-9d73-743672f89216 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.11.0-17-generic N/A linux-backports-modules-5.11.0-17-generic N/A linux-firmware 1.197 SourcePackage: linux UpgradeStatus: Upgraded to hirsute on 2021-05-13 (11 days ago) dmi.bios.date: 11/15/2019 dmi.bios.release: 7.7 dmi.bios.vendor: INSYDE Corp. dmi.bios.version: 1.07.07TPCS2 dmi.board.asset.tag: Tag 12345 dmi.board.name: N151CU dmi.board.vendor: CLEVO dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: Notebook dmi.chassis.version: N/A dmi.ec.firmware.release: 7.7 dmi.modalias: dmi:bvnINSYDECorp.:bvr1.07.07TPCS2:bd11/15/2019:br7.7:efr7.7:svnPCSpecialistLTD:pnN150CU:pvrNotApplicable:rvnCLEVO:rnN151CU:rvrNotApplicable:cvnNotebook:ct10:cvrN/A: dmi.product.family: Not Applicable dmi.product.name: N150CU dmi.product.sku: Not Applicable dmi.product.version: Not Applicable dmi.sys.vendor: PC Specialist LTD To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1929444/+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
