Comment 0 for bug 1929444

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