I have the same problem since upgrading to Natty with a Buffalo external hdd (HD-HB250U2-EU)
It works fine in 10.04, 10.10 and parted magic 6.2 , and on other pc's fine. It doesn't work on any pc running Natty. Typical dmesg [ 349.670030] usb 2-5: new high speed USB device using ehci_hcd and address 3 [ 349.881746] scsi8 : usb-storage 2-5:1.0 [ 360.362266] scsi 8:0:0:0: Direct-Access USB-HS ST3300622A 0.01 PQ: 0 ANSI: 0 [ 360.362822] sd 8:0:0:0: Attached scsi generic sg5 type 0 [ 360.364873] sd 8:0:0:0: [sde] 586072368 512-byte logical blocks: (300 GB/279 GiB) [ 360.366371] sd 8:0:0:0: [sde] Write Protect is off [ 360.366375] sd 8:0:0:0: [sde] Mode Sense: 0b 00 00 08 [ 360.490041] usb 2-5: reset high speed USB device using ehci_hcd and address 3 [ 375.610031] usb 2-5: device descriptor read/64, error -110 [ 390.840031] usb 2-5: device descriptor read/64, error -110 [ 391.070024] usb 2-5: reset high speed USB device using ehci_hcd and address 3 [ 406.190042] usb 2-5: device descriptor read/64, error -110 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/779735 Title: Natty doesn't detect external USB harddisk drive To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/779735/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
