I experienced exactly the same problem when updating from 3.1.11 to 3.1.14. In addition, the whole system freezes up and needs to be coldbooted on a card insertion.
Sony 505TR linux 2.2.13 (slackware)
Under 3.1.11 I would see irq 9 being shared by i82365 and the usb driver. Under 3.1.14 i82365 polls.
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