I am also experiencing USB resets using Ubuntu 7.10 and 8.04 Beta when
attaching an external USB 2.0 3.5" HDD.

Running a command like 'wipe -kq /dev/sdg' leads to a reset after
running for a few hours.

Sometimes a reset forces a new device mapping (so /dev/sdg is no longer
valid) and wipe returns with an error.

Exchanging the external enclosure makes no difference. It also does not
matter whether I use a USB port of my computer or plug the HDD into a
USB hub.

Here is the result of a test using Hardy 8.04 Beta. The wipe command
kept running in this case.

[EMAIL PROTECTED]:~$ uname -a
Linux ubuntu 2.6.24-12-generic #1 SMP Wed Mar 12 23:01:54 UTC 2008 i686 
GNU/Linux

[EMAIL PROTECTED]:~$ cat /var/log/messages
...
Apr  6 13:11:26 ubuntu kernel: [31406.840981] usb 4-2: reset high speed USB 
device using ehci_hcd and address 9

-- 
Mass Storage USB device error
https://bugs.launchpad.net/bugs/179250
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