Re: btusb autosuspend and circular lock dep

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Hi Sara,

> > I just tested this patch (against 2.6.31-rc7) on my X200s laptop, and it
> > works fine with the Broadcom USB bluetooth device with VID:PID
> > 0a5c:2145.  I tested transmitting audio to a bluetooth headset, so the
> > isoc transfers to work fine.  ISTR you were concerned about them.
> > 
> > I'm still testing on my T61 (Broadcom 0a5c:2110).  The autosuspend patch
> > seems to work fine, but I'm getting a circular lock dependency warning.
> > I'm recompiling a vanilla 2.6.31-rc7 to see if the lock warning is still
> > there.
> 
> The lock dep warning is still present in 2.6.31-rc7, so it's not your
> auto-suspend patch.  The dmesg is attached.  The warning came right
> after I stopped mplayer streaming audio to the bluetooth headset (with
> CTRL+c).  I'm running an older gnome bluetooth stack from June 14
> (from commit 7b1f2782).  I haven't tested whether updating the userspace
> bits makes the lock dep warning go way.

can you try the bluetooth-testing.git tree from kernel.org with the
patch from Oliver. The SCO shutdown patch might fix this.

Regards

Marcel


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