Messages in this thread | ![/](/images/icornerl.gif) | | Date | Fri, 18 Apr 2003 16:19:04 -0700 | From | Greg KH <> | Subject | Re: USB deadlock in v2.5.67 |
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On Fri, Apr 18, 2003 at 08:46:56AM -0700, David Brownell wrote: > Greg KH wrote: > >On Thu, Apr 17, 2003 at 07:02:07PM -0700, David Mosberger wrote: > > > >><hcd_free_dev+0x140> translates into line 1249 in hcd.c, where it > >>does: > >> > >> spin_lock_irqsave (&hcd_data_lock, flags); > >> > >>The deadlock is pretty obvious: the same lock has already been > >>acquired urb_unlink(), 4 levels up in the call-chain. > >> > >>Anybody have a fix for this? > > > > > >David (Brownell, that is), does this help with the trace I sent you a > >few hours ago? > > Seems to be a different problem. The patch below should > resolve the keyboard problem -- just reorders two lines > so the lock isn't held after the device's records get > deleted, so the order is what it should always have been.
Applied to my trees, thanks.
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