Re: 3.0rc3-rc5: usb stops working after resume from suspend to ram

From: Alan Stern
Date: Mon Jul 04 2011 - 11:56:50 EST


On Mon, 4 Jul 2011, Arkadiusz Miskiewicz wrote:

> On Thursday 30 of June 2011, Alan Stern wrote:
>
> > And now you know why, more or less -- we still have to figure out the
> > reason for the hang. Probably something goes wrong when cdc-ether is
> > unbound from the wireless device.
>
> Reverting patch below fixes hang.
>
> commit fccf4e86200b8f5edd9a65da26f150e32ba79808
> Author: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx>
> Date: Sun Jun 5 23:22:22 2011 -0700
>
> USB: Free bandwidth when usb_disable_device is called.

Ah, very good! That explains everything. Someone else reported a
similar problem that was tracked down to this commit, and I submitted a
fix a few days ago:

http://marc.info/?l=linux-usb&m=130955300211987&w=2

I bet this will fix your problem too.

Alan Stern

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