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Message-ID: <20090418233608.GC32346@dtor-d630.eng.vmware.com> Date: Sat, 18 Apr 2009 16:36:10 -0700 From: Dmitry Torokhov <dmitry.torokhov@...il.com> To: Stefan Sassenberg <stefan.sassenberg@....de> Cc: LKML <linux-kernel@...r.kernel.org> Subject: Re: /proc/bus/input/devices changing while booting Hi Stefan, On Wed, Mar 25, 2009 at 05:20:56PM +0100, Stefan Sassenberg wrote: > Hello, > > while booting, an init-script on my machine greps the Handlers entry of > a certain device (USB touchscreen) from /proc/bus/input/devices. It ends > with "event2", so I configure my software to listen for events in > /dev/input/event2. A few seconds later /proc/bus/input/devices changes, > the order of the devices is different and the Handlers entry for my > device ends with event1 making my device misconfigured and thus unusable. > > Can anybody explain that behaviour? How can I get the final eventX > device file? > > I'm using kernel 2.6.28.8 on an Intel Celeron, chipset ICH5. > Something causes disconnect of your touchscreen. I think this can happen of EHCI is loaded after UHCI/OHCI and they all figure our which devices should be driven by whom. Does it help if you compile EHCI in kernel or make sure it gets loaded first? -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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