I have tried many SD card on my X220 system, there's one card I can't read.
The image of card(apacer_2g_sdcard.jpeg) is attached.
Kernel log on card insertion:
[ 76.027101] mmc0: error -110 whilst initialising SD card
Kernel log while card removal:
[ 85.167263] mmc0: Card removed during transfer!
[ 85.167272] mmc0: Resetting controller.
[ 85.187221] mmc0: Got command interrupt 0x00010000 even though no command operation was in progress.
[ 85.187231] sdhci: =========== REGISTER DUMP (mmc0)===========
[ 85.187240] sdhci: Sys addr: 0x00000000 | Version: 0x00000502
[ 85.187248] sdhci: Blk size: 0x00000000 | Blk cnt: 0x00000000
[ 85.187256] sdhci: Argument: 0x00000000 | Trn mode: 0x00000000
[ 85.187264] sdhci: Present: 0x01f00001 | Host ctl: 0x00000000
[ 85.187272] sdhci: Power: 0x0000000f | Blk gap: 0x00000000
[ 85.187280] sdhci: Wake-up: 0x00000000 | Clock: 0x00003707
[ 85.187288] sdhci: Timeout: 0x00000009 | Int stat: 0x00000000
[ 85.187296] sdhci: Int enab: 0x00ff00c3 | Sig enab: 0x00ff00c3
[ 85.187303] sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000
[ 85.187311] sdhci: Caps: 0x21e8c8b2 | Caps_1: 0x00008073
[ 85.187319] sdhci: Cmd: 0x00000102 | Max curr: 0x00000040
[ 85.187322] sdhci: ===========================================
----------------------------------
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-12-generic 2.6.38-12.51
ProcVersionSignature: Ubuntu 2.6.38-12.51-generic 2.6.38.8
Uname: Linux 2.6.38-12-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ctf 2103 F.... pulseaudio
/dev/snd/pcmC0D0p: ctf 2103 F...m pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf2620000 irq 49'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:14f1506e,17aa21da,00100000 HDA:80862805,80860101,00100000'
Controls : 20
Simple ctrls : 8
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown'
Mixer name : 'ThinkPad EC (unknown)'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [off]
CheckboxSubmission: c2591d4423b4645306379e0f9bc8a1c5
CheckboxSystem: bb422ca46d02494cdbc459927a98bc2f
Date: Fri Nov 4 21:28:03 2011
HibernationDevice: RESUME=UUID=86fe5e3e-4a6f-4f20-a260-6253399e2cf8
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426)
MachineType: LENOVO 4286CTO
ProcEnviron:
LANGUAGE=en_US:en
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-12-generic root=/dev/mapper/harddisk-root2 ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-2.6.38-12-generic N/A
linux-backports-modules-2.6.38-12-generic N/A
linux-firmware 1.52
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/18/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8DET46WW (1.16 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4286CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8DET46WW(1.16):bd05/18/2011:svnLENOVO:pn4286CTO:pvrThinkPadX220:rvnLENOVO:rn4286CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4286CTO
dmi.product.version: ThinkPad X220
dmi.sys.vendor: LENOVO
The following comment works for me.
https:/