It looks like the problem is in libatasmart. It seems to be throwing the io error in sk_disk_smart_status here:
/* SAT/USB bridges truncate packets, so we only check for 4F, * not for 2C on those */ if ((d->type == SK_DISK_TYPE_ATA_PASSTHROUGH_12 || cmd[3] == htons(0x00C2U)) && cmd[4] == htons(0x4F00U)) *good = TRUE; else if ((d->type == SK_DISK_TYPE_ATA_PASSTHROUGH_12 || cmd[3] == htons(0x002CU)) && cmd[4] == htons(0xF400U)) *good = FALSE; else { errno = EIO; return -1; } (gdb) print d->type $5 = SK_DISK_TYPE_ATA_PASSTHROUGH_16 (gdb) print /x cmd $4 = {0x0, 0x0, 0x0, 0xc200, 0x454f, 0x5000} ** Package changed: udisks (Ubuntu) => udisks2 (Ubuntu) ** Also affects: udisks (Ubuntu) Importance: Undecided Status: New ** Also affects: libatasmart (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1143495 Title: udisks reporting input/output error that seems to be nonsense To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libatasmart/+bug/1143495/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs