Panics and potential memory corruption when pulling out a uath device

Lucius Windschuh lwindschuh at
Tue May 19 18:22:02 UTC 2009

2009/5/19 Weongyo Jeong <weongyo.jeong at>:
> On Tue, May 19, 2009 at 12:08:45AM +0200, Lucius Windschuh wrote:
>> 2009/5/18 Hans Petter Selasky <hselasky at>:
>> > Regarding the first panic, there seems to be a detach race in both upgt and
>> > uath, which is not USB related. Try this patch:
>> >
>> >
>> This fixes not only the first panic.
>> I can't provoke any panic by pulling out the active device. Thanks.
> Could you please test with this patch that is slightly different with
> Hans's patch?  It try to unsetup after stopping the device.
> If no problems I'd commit it.

This works also. I cannot produce panics with it.


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