Messages in this thread | | | Date | Mon, 15 Oct 2007 15:01:24 -0700 (PDT) | Subject | Re: [Linux-usb-users] OHCI root_port_reset() deadly loop... | From | David Miller <> |
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From: David Miller <davem@davemloft.net> Date: Tue, 09 Oct 2007 21:35:07 -0700 (PDT)
> From: David Miller <davem@davemloft.net> > Date: Tue, 09 Oct 2007 15:00:40 -0700 (PDT) > > > From: David Brownell <david-b@pacbell.net> > > Date: Tue, 9 Oct 2007 14:43:54 -0700 > > > > > Does it resolve the problem you observed? > > > > I will definitely give the patch a try and report back. > > My tests look really good with Alan Stern's patch. > > With a kernel is hacked to load OHCI before EHCI, and > that always hangs, the patch makes the hang go away > reliably.
Bad news, even with the rwsem after a lot more testing I can still trigger the hang in ohci_hub_control() :-(
I think we need to go back to considering the total serialization approach to this problem. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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