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SubjectRe: btusb autosuspend (was Re: Linux 2.6.38-rc6)
On Thu, 24 Feb 2011, Matthew Garrett wrote:

> On Wed, Feb 23, 2011 at 04:25:23PM -0800, Linus Torvalds wrote:
> > Hmm. Is there any reason we shouldn't revert commit
> > 556ea928f78a390fe16ae584e6433dff304d3014 given the regression?
>
> I think reverting makes sense at the moment. I haven't seen the reported
> issues - I need to figure out if this is related to bus powered/self
> powered devices, or what else is causing the difference.
>
> > It apparently had problems before too, and caused autosuspend to be
> > disabled entirely, judging at least by
> >
> > https://bugzilla.redhat.com/show_bug.cgi?id=528744
> >
> > but there's obviously the comment about "those should be fixed now".
> > Apparently there are more issues.
>
> Right, we were autosuspending even when there were active connections.
> Marcel told me that ought to be fixed and my testing seemed to agree...
>
> > I have no idea whether this is a USB-level issue, or a driver-level
> > one. There are no comments about exactly what fixed the input device
> > issues. So I'm adding both BT and USB people to the discussion.
>
> I'll try to get time to look at this this week. Marcel, any ideas?

Take a look at Bugzilla #26182. I tried adding your address to the CC:
list, but the only address I could find that Bugzilla would accept
wasn't the same as the addresses you normally use.

Alan Stern



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