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My laptop has a built-in SD Card reader but it cannot detect one when inserted. Here is the result when I type lspci from the terminal:

00:00.0 Host bridge: ATI Technologies Inc RS480 Host Bridge (rev 10)
00:01.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge
00:06.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge
00:07.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge
00:12.0 IDE interface: ATI Technologies Inc IXP SB400 Serial ATA Controller (rev 80)
00:13.0 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller (rev 80)
00:13.1 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller (rev 80)
00:13.2 USB Controller: ATI Technologies Inc IXP SB400 USB2 Host Controller (rev 80)
00:14.0 SMBus: ATI Technologies Inc IXP SB400 SMBus Controller (rev 83)
00:14.1 IDE interface: ATI Technologies Inc IXP SB400 IDE Controller (rev 80)
00:14.2 Audio device: ATI Technologies Inc IXP SB4x0 High Definition Audio Controller (rev 01)
00:14.3 ISA bridge: ATI Technologies Inc IXP SB400 PCI-ISA Bridge (rev 80)
00:14.4 PCI bridge: ATI Technologies Inc IXP SB400 PCI-PCI Bridge (rev 80)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:05.0 VGA compatible controller: ATI Technologies Inc RS482 [Radeon Xpress 200M]
04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01)
05:04.0 FireWire (IEEE 1394): O2 Micro, Inc. Firewire (IEEE 1394) (rev 02)
05:04.2 SD Host controller: O2 Micro, Inc. Integrated MMC/SD Controller (rev 01)
05:04.3 Mass storage controller: O2 Micro, Inc. Integrated MS/xD Controller (rev 01)
05:09.0 Network controller: Ralink corp. RT2561/RT61 rev B 802.11g
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You should specify your Ubuntu version first and which type od SD card you are using (SD, SDHC, ecc. and how many gigabytes it contains) –  heiko81 Jan 10 '12 at 15:17
    
@Candelight : could you post the dmesg output after you insert a SD card in the reader. –  Cédric Julien Jan 10 '12 at 15:31

1 Answer 1

Try this without your SD card inserted on boot.

Quote: ~PseudoPsyche at fedoraforums

  1. You must add the following lines to one of the .conf files in etc/modprobe.d folder. I believe it would be dist.conf
  2. Do this, by typing the following into konsole/terminal. (substitute gedit with text editor of choice)

    sudo gedit /etc/modprobe.d/dist.conf
    alias mmc_core tifm_core
    alias mmc_card tifm_sd

  3. Save the file.

*If this is the wrong .conf file, someone please correct me.

Hope that helps,
smiley 1962

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