Comment 22 for bug 211095

I have exactly the same problem on Ubuntu 11.04. Nothing happens when I insert an SD card (and I tried several cards). The syslog is not responding. I am sure the card reader is not broken, because it still worked last week in windows before I installed Ubuntu.

lspci -vnn:

02:06.0 CardBus bridge [0607]: O2 Micro, Inc. OZ711M3/MC3 4-in-1 MemoryCardBus Controller [1217:7223]
 Subsystem: Acer Incorporated [ALI] Device [1025:0051]
 Flags: bus master, stepping, slow devsel, latency 168, IRQ 6
 Memory at d0215000 (32-bit, non-prefetchable) [size=4K]
 Bus: primary=02, secondary=03, subordinate=06, sec-latency=176
 Memory window 0: 40000000-43fff000 (prefetchable)
 Memory window 1: 50000000-53fff000
 I/O window 0: 00004000-000040ff
 I/O window 1: 00004400-000044ff
 16-bit legacy interface ports at 0001
 Kernel driver in use: yenta_cardbus
 Kernel modules: yenta_socket

02:06.1 CardBus bridge [0607]: O2 Micro, Inc. OZ711M3/MC3 4-in-1 MemoryCardBus Controller [1217:7223]
 Subsystem: Acer Incorporated [ALI] Device [1025:0051]
 Flags: bus master, stepping, slow devsel, latency 168, IRQ 6
 Memory at d0216000 (32-bit, non-prefetchable) [size=4K]
 Bus: primary=02, secondary=07, subordinate=0a, sec-latency=176
 Memory window 0: 44000000-47fff000 (prefetchable)
 Memory window 1: 54000000-57fff000
 I/O window 0: 00004800-000048ff
 I/O window 1: 00004c00-00004cff
 16-bit legacy interface ports at 0001
 Kernel driver in use: yenta_cardbus
 Kernel modules: yenta_socket

02:06.2 System peripheral [0880]: O2 Micro, Inc. OZ711Mx 4-in-1 MemoryCardBus Accelerator [1217:7110]
 Subsystem: Acer Incorporated [ALI] Device [1025:0051]
 Flags: slow devsel, IRQ 6
 Memory at d0217000 (32-bit, non-prefetchable) [size=4K]
 Capabilities: <access denied>

02:06.3 CardBus bridge [0607]: O2 Micro, Inc. OZ711M3/MC3 4-in-1 MemoryCardBus Controller [1217:7223]
 Subsystem: Acer Incorporated [ALI] Device [1025:0051]
 Flags: bus master, stepping, slow devsel, latency 168, IRQ 6
 Memory at d0219000 (32-bit, non-prefetchable) [size=4K]
 Bus: primary=02, secondary=0b, subordinate=0e, sec-latency=176
 Memory window 0: 48000000-4bfff000 (prefetchable)
 Memory window 1: 58000000-5bfff000
 I/O window 0: 00001400-000014ff
 I/O window 1: 00002800-000028ff
 16-bit legacy interface ports at 0001
 Kernel driver in use: yenta_cardbus
 Kernel modules: yenta_socket