I just found this bug today and I had the same issue here in ubuntu 12.04 with HP Pavilion dv6
$ dmesg | grep sdb [29835.581437] sd 6:0:0:0: [sdb] 7729152 512-byte logical blocks: (3.95 GB/3.68 GiB) [29835.582307] sd 6:0:0:0: [sdb] Write Protect is off [29835.582314] sd 6:0:0:0: [sdb] Mode Sense: 03 00 00 00 [29835.583297] sd 6:0:0:0: [sdb] No Caching mode page present [29835.583303] sd 6:0:0:0: [sdb] Assuming drive cache: write through [29835.586898] sd 6:0:0:0: [sdb] No Caching mode page present [29835.586905] sd 6:0:0:0: [sdb] Assuming drive cache: write through [29835.588926] sdb: sdb1 [29835.591902] sd 6:0:0:0: [sdb] No Caching mode page present [29835.591911] sd 6:0:0:0: [sdb] Assuming drive cache: write through [29835.591917] sd 6:0:0:0: [sdb] Attached SCSI removable disk [43065.815847] sd 8:0:0:0: [sdb] 7729152 512-byte logical blocks: (3.95 GB/3.68 GiB) [43065.816589] sd 8:0:0:0: [sdb] Write Protect is off [43065.816594] sd 8:0:0:0: [sdb] Mode Sense: 03 00 00 00 [43065.817336] sd 8:0:0:0: [sdb] No Caching mode page present [43065.817341] sd 8:0:0:0: [sdb] Assuming drive cache: write through [43065.821102] sd 8:0:0:0: [sdb] No Caching mode page present [43065.821111] sd 8:0:0:0: [sdb] Assuming drive cache: write through [43065.823118] sdb: sdb1 [43065.825713] sd 8:0:0:0: [sdb] No Caching mode page present [43065.825719] sd 8:0:0:0: [sdb] Assuming drive cache: write through [43065.825724] sd 8:0:0:0: [sdb] Attached SCSI removable disk -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/743303 Title: SD Card mounts first time but will not remount To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/udisks/+bug/743303/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs