Messages in this thread | | | Date | Fri, 20 Jan 2012 11:02:10 -0500 | From | Greg KH <> | Subject | Re: PROBLEM: Kernel version 3.2.1 usb touchscreen device not recognised [UDEV? USBINPUT? HOOK] |
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On Fri, Jan 20, 2012 at 07:13:54PM +1100, Padfoot wrote: > Upgrade from kernel 3.1.9 to 3.2.1 eGalax usb touchscreen device is > no longer recognised. > > Device is an Acer Iconia Tab w501 with inbuilt touchscreen. Screen > is a pci device but is connected on boot as a usb input device. > Issue appears to be with either UDEV or USBINPUT boot hook failing > to recognise the device as can be seen in the dmesg.3.2.1 > attachment. > > Downgrading to kernel 3.1.9 corrects the issue.
Can you run 'git bisect' between 3.1.0 and 3.2.0 to find the problem commit here?
Also, you might want to cc: the linux-input developers, they can help you out much better than the general list can.
greg k-h
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