After two reboots the problem disappeared and has not returned. Is lshw the card now shows like this:
*-generic description: Unassigned class product: RTS5227 PCI Express Card Reader vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:05:00.0 version: 01 width: 32 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=rtsx_pci latency=0 resources: irq:57 memory:f0500000-f0500fff -- 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/1396710 Title: RTS5227 PCI Express Card Reader stopped working after upgrade Status in linux package in Ubuntu: Incomplete Bug description: After upgrading today, the card reader stopped working. lshw: ... *-generic UNCLAIMED description: Unassigned class product: RTS5227 PCI Express Card Reader vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:05:00.0 version: 01 width: 32 bits clock: 33MHz capabilities: pm msi pciexpress cap_list configuration: latency=0 resources: memory:f0500000-f0500fff ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: linux-image-3.16.0-25-generic 3.16.0-25.33 ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7 Uname: Linux 3.16.0-25-generic x86_64 ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: ferdez 3338 F.... pulseaudio /dev/snd/controlC0: ferdez 3338 F.... pulseaudio CurrentDesktop: Unity Date: Wed Nov 26 17:57:21 2014 GvfsMonitorLog: Monitoring events. Press Ctrl+C to quit. HibernationDevice: RESUME=UUID=2b85d43f-b8f3-42e2-bca9-b29ae7912ea0 HotplugNewDevices: HotplugNewMounts: InstallationDate: Installed on 2014-09-07 (80 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) MachineType: LENOVO 20B3001VPG ProcFB: 0 inteldrmfb 1 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-25-generic root=UUID=64fdfbcc-9717-49b3-98ec-732cb19a6618 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.16.0-25-generic N/A linux-backports-modules-3.16.0-25-generic N/A linux-firmware 1.138 SourcePackage: linux Symptom: storage UdevMonitorLog: monitor will print the received events for: UDEV - the event which udev sends out after rule processing UdisksMonitorLog: Monitoring the udisks daemon. Press Ctrl+C to exit. 17:57:41.745: The udisks-daemon is running (name-owner :1.78). UpgradeStatus: Upgraded to utopic on 2014-11-26 (0 days ago) dmi.bios.date: 09/09/2014 dmi.bios.vendor: LENOVO dmi.bios.version: GPET59WW (1.59 ) dmi.board.asset.tag: Not Available dmi.board.name: 20B3001VPG dmi.board.vendor: LENOVO dmi.board.version: 0B98401 Pro dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrGPET59WW(1.59):bd09/09/2014:svnLENOVO:pn20B3001VPG:pvrThinkPadS5-S540:rvnLENOVO:rn20B3001VPG:rvr0B98401Pro:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 20B3001VPG dmi.product.version: ThinkPad S5-S540 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1396710/+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