On Wed, 15 Oct 2008 00:17:29 +0100 "Phil Endecott" <phil_dubhl_endecott@xxxxxxxxxxxx> wrote: > > It looks to me as if uhci holds some lock that 8250 needs before it > can complete. Now those are both PCI drivers in the same way that > the last two that seemed to contend were both input drivers (touchpad > and speaker) [hmm, except that as Dmitry pointed out there's a > distinction between the platform bus and the serio bus]. Anyway, my > ignorant suspicion is that there's some lock related to the bus or > subsystem that they both need. Maybe something in sysfs? it does do this. And I know which lock... and I fixed it ;) Just the patch for this is in Gregkh's tree since it's a change to the device/sysfs layer and he wanted to carry it via that way. I can dig that patch out if you want -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html