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SubjectRe: 3.0rc3-rc5: usb stops working after resume from suspend to ram
On Tue, 5 Jul 2011, Arkadiusz Miskiewicz wrote:

> > 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.
>
> Unfortunately it doesn't fix my problem (rc6 + that patch).
>
> usb still hangs after resume and repluging device causes no effect.

When this hang occurs, can you get a stack dump? Alt-SysRq-W or
something similar. I'm particularly curious to see what the khubd
thread is doing.

Alan Stern



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