USB resets with Ubuntu 9.10

Posted by Grumbel on Super User See other posts from Super User or by Grumbel
Published on 2009-11-09T22:37:11Z Indexed on 2010/04/27 14:23 UTC
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Filed under:

ubuntu

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linux

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usb

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usb-flash-drive

Since the upgrade to Ubuntu 9.10 I have issues with getting USB device resets on my Maxtor OneTouch USB harddrive:

Nov  9 20:54:37 localhost kernel: [32459.100021] usb 2-2: reset high speed USB device using ehci_hcd and address 4
Nov  9 21:54:37 localhost kernel: [36059.100017] usb 2-2: reset high speed USB device using ehci_hcd and address 4
Nov  9 23:24:37 localhost kernel: [41459.112025] usb 2-2: reset high speed USB device using ehci_hcd and address 4

The device itself continues to work fine, the resets however wake the device out of its sleep state and thus cause it to spin up, which is very annoying.

Interestingly, as the log shows, the resets happen at pretty regular intervals (i.e. one hour or half an hour), not randomly.

An USB card reader seems to have the same issues, while another USB harddrive from a different manufactor works fine on the same PC.

What could be causing this and how could I fix it?

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