Something similar is happening to me as well - 3 different SDHC cards (kingston and sandisk) on an Acer Aspire 5742. I can mount them fine if I use an external USB card reader.
The disk utility shows them, but they attempt to mount to / This is all that shows up in dmesg on card insertion: 00:00:00:00:00:00 [ 361.991210] sd 4:0:0:0: [sdc] 31457280 512-byte logical blocks: (16.1 GB/15.0 GiB) [ 361.993322] sd 4:0:0:0: [sdc] No Caching mode page present [ 361.993329] sd 4:0:0:0: [sdc] Assuming drive cache: write through [ 361.996583] sd 4:0:0:0: [sdc] No Caching mode page present [ 361.996590] sd 4:0:0:0: [sdc] Assuming drive cache: write through [ 361.997438] sdc: sdc1 When I first upgraded to 11.04 beta (from alpha), the card reader worked. It also worked on 10.10. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/750592 Title: [Lenovo W510] SD card fails to mount automatically -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs