Re: autosuspend issues with the Intel Bluetooth device [8087:07dc]

2013-07-05 Thread Bjørn Mork
Alan Stern writes: > On Thu, 4 Jul 2013, Bjørn Mork wrote: > >> > It may be that the device simply takes longer to resume than it should. >> > Or longer than btusb expects it to, which may not be the same thing. >> >> Yes, that is what it looks like. But the URBs are submitted as part of >> th

Re: autosuspend issues with the Intel Bluetooth device [8087:07dc]

2013-07-04 Thread Alan Stern
On Thu, 4 Jul 2013, Bjørn Mork wrote: > > It may be that the device simply takes longer to resume than it should. > > Or longer than btusb expects it to, which may not be the same thing. > > Yes, that is what it looks like. But the URBs are submitted as part of > the resume callback. Shouldn'

Re: autosuspend issues with the Intel Bluetooth device [8087:07dc]

2013-07-04 Thread Bjørn Mork
Alan Stern writes: > The relative order of those two completions doesn't mean anything, > because they are on different endpoints and they happened during the > same frame. It just happens that uhci-hcd scans interrupt URBs before > bulk URBs when looking for completions, but it could easily be

Re: autosuspend issues with the Intel Bluetooth device [8087:07dc]

2013-07-03 Thread Alan Stern
On Wed, 3 Jul 2013, Bjørn Mork wrote: > Bjørn Mork writes: > > > Ah, this is probably a timing issue. > > It definitely is, and I believe it is a generic problem with the btusb > driver and not with this particular device. That's just where I was > "lucky" enough to see it. > > Enabling a bi

Re: autosuspend issues with the Intel Bluetooth device [8087:07dc]

2013-07-03 Thread Bjørn Mork
Bjørn Mork writes: > Ah, this is probably a timing issue. It definitely is, and I believe it is a generic problem with the btusb driver and not with this particular device. That's just where I was "lucky" enough to see it. Enabling a bit of debugging in btusb, I see this for a hci version com

Re: autosuspend issues with the Intel Bluetooth device [8087:07dc]

2013-07-03 Thread Bjørn Mork
Oliver Neukum writes: > On Wednesday 03 July 2013 14:08:00 Bjørn Mork wrote: >> But this just does not seem right? Any modern USB device is supposed to >> support autosuspend, right? I am using the firmware patch included in > > What should be and what is may be different although it oughn't be.

Re: autosuspend issues with the Intel Bluetooth device [8087:07dc]

2013-07-03 Thread Oliver Neukum
On Wednesday 03 July 2013 14:08:00 Bjørn Mork wrote: > But this just does not seem right? Any modern USB device is supposed to > support autosuspend, right? I am using the firmware patch included in What should be and what is may be different although it oughn't be. > the latest public firmware r

autosuspend issues with the Intel Bluetooth device [8087:07dc]

2013-07-03 Thread Bjørn Mork
Hello, I recently got a Intel Dual Band Wireless-AC 7260 card, which works very well as a 802.11 wlan module. So I am now trying to break the Bluetooth part of it instead :) And I do find some issues with that... The most important one is that I cannot get it to work properly with autosuspend en