Still present in bionic with HWE 18.04.2 (kernel 4.18.0-22). Card reader fails with high-speed SDXC.
Confirmed upstream: https://bugzilla.kernel.org/show_bug.cgi?id=109231 lspci --nnk 01:00.0 SD Host controller [0805]: O2 Micro, Inc. SD/MMC Card Reader Controller [1217:8520] (rev 01) Subsystem: Dell SD/MMC Card Reader Controller [1028:062d] Kernel driver in use: sdhci-pci Kernel modules: sdhci_pci dmesg: [ 1.369287] sdhci-pci 0000:01:00.0: SDHCI controller found [1217:8520] (rev 1) [ 1.371230] mmc0: Unknown controller version (3). You may experience problems. [ 1.373523] mmc0: SDHCI controller on PCI [0000:01:00.0] using ADMA . . . [ 419.378067] mmc0: Tuning timeout, falling back to fixed sampling clock [ 419.379875] mmc0: new ultra high speed SDR104 SDXC card at address 5048 [ 419.383087] mmcblk0: mmc0:5048 SD256 232 GiB [ 419.386191] mmcblk0: p1 [ 429.519557] mmc0: Timeout waiting for hardware interrupt. [ 429.519561] mmc0: sdhci: ============ SDHCI REGISTER DUMP =========== [ 429.519566] mmc0: sdhci: Sys addr: 0x00000008 | Version: 0x00000603 [ 429.519571] mmc0: sdhci: Blk size: 0x00000200 | Blk cnt: 0x00000008 [ 429.519575] mmc0: sdhci: Argument: 0x00000008 | Trn mode: 0x0000003b [ 429.519580] mmc0: sdhci: Present: 0x01ff0000 | Host ctl: 0x00000017 [ 429.519584] mmc0: sdhci: Power: 0x0000000f | Blk gap: 0x00000000 [ 429.519589] mmc0: sdhci: Wake-up: 0x00000000 | Clock: 0x00000007 [ 429.519593] mmc0: sdhci: Timeout: 0x0000000a | Int stat: 0x00000000 [ 429.519598] mmc0: sdhci: Int enab: 0x02ff008b | Sig enab: 0x02ff008b [ 429.519602] mmc0: sdhci: AC12 err: 0x00000004 | Slot int: 0x00000000 [ 429.519607] mmc0: sdhci: Caps: 0x25bec8bf | Caps_1: 0x1000207f [ 429.519612] mmc0: sdhci: Cmd: 0x0000123a | Max curr: 0x005800c8 [ 429.519616] mmc0: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0x0742ff7f [ 429.519621] mmc0: sdhci: Resp[2]: 0x325b5900 | Resp[3]: 0x80000900 [ 429.519624] mmc0: sdhci: Host ctl2: 0x0000800b [ 429.519628] mmc0: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x3541f208 [ 429.519629] mmc0: sdhci: ============================================ [ 450.058602] mmc0: Tuning timeout, falling back to fixed sampling clock See https://bugzilla.kernel.org/show_bug.cgi?id=109231#c12 Workaround updated to: rmmod sdhci_pci sdhci sdhci_acpi modprobe sdhci debug_quirks2="0x80000000" modprobe sdhci_pci ** Bug watch added: Linux Kernel Bug Tracker #109231 https://bugzilla.kernel.org/show_bug.cgi?id=109231 -- 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/1553688 Title: Lenovo Y700-17ISK: mmc0: Unknown controller version (3) Status in linux package in Ubuntu: Confirmed Bug description: After installing and updating Xenial, dmesg notes: [ 1.001432] mmc0: Unknown controller version (3). You may experience problems. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-10-generic 4.4.0-10.25 ProcVersionSignature: Ubuntu 4.4.0-10.25-generic 4.4.3 Uname: Linux 4.4.0-10-generic x86_64 ApportVersion: 2.20-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: aljosa 1776 F.... pulseaudio CurrentDesktop: Unity Date: Sun Mar 6 11:18:43 2016 HibernationDevice: RESUME=UUID=ac022671-63df-40ae-bffe-66fff3b35125 InstallationDate: Installed on 2016-03-05 (0 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160304) MachineType: LENOVO 80Q0 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-10-generic.efi.signed root=UUID=aa4325c4-4b4c-4372-b8ca-a66c3e5b2aa6 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-10-generic N/A linux-backports-modules-4.4.0-10-generic N/A linux-firmware 1.156 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/31/2016 dmi.bios.vendor: LENOVO dmi.bios.version: CDCN30WW dmi.board.asset.tag: NO Asset Tag dmi.board.name: Allsparks 7A dmi.board.vendor: LENOVO dmi.board.version: NO DPK dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo ideapad Y700-17ISK dmi.modalias: dmi:bvnLENOVO:bvrCDCN30WW:bd01/31/2016:svnLENOVO:pn80Q0:pvrLenovoideapadY700-17ISK:rvnLENOVO:rnAllsparks7A:rvrNODPK:cvnLENOVO:ct10:cvrLenovoideapadY700-17ISK: dmi.product.name: 80Q0 dmi.product.version: Lenovo ideapad Y700-17ISK dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1553688/+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
