I also have a Sandisk Sansa Fuze and am receiving the same error with
Hardy:

[  283.344161] usb 4-3: new high speed USB device using ehci_hcd and address 3
[  285.017541] ehci_hcd 0000:00:1d.7: port 3 reset error -110
[  285.017558] hub 4-0:1.0: hub_port_status failed (err = -32)

Just as Evan reported, disabling the ehci_hcd module does work around
the issue:

[ 1124.379310] usb 2-1: new full speed USB device using uhci_hcd and address 2
[ 1125.255162] usb 2-1: new full speed USB device using uhci_hcd and address 3
[ 1125.432269] usb 2-1: configuration #1 chosen from 1 choice

Unfortunately this causes the device to operate in USB 1.1 mode with
much slower transfer rates.

My goal here is to actually use the device in a Windows virtual machine
running inside Hardy.  However, Hardy needs to be able to add the USB
device properly before the VM can use it.  The VM does recognize the
device after I disable ehci_hcd in Hardy, but otherwise it does not.

-- 
usb connect problems
https://bugs.launchpad.net/bugs/231049
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