Messages in this thread | | | Date | Sat, 21 Jan 2012 08:53:38 +1100 | From | Padfoot <> | Subject | Re: PROBLEM: Kernel version 3.2.1 usb touchscreen device not recognised [UDEV? USBINPUT? HOOK] |
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On 21/01/12 07:44, Greg KH wrote: > On Sat, Jan 21, 2012 at 07:13:58AM +1100, Padfoot wrote: >> On 21/01/12 03:02, Greg KH wrote: >>> 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 >>> >> Hi Greg, >> >> I am not a kernel dev, nor have I ever compiled a kernel, so I don't >> think I am able to help with a git bisect to locate the offending >> commit. I am just a regular user running pre-compiled packages on my >> Arch Linux distro. But, of course I am happy to assist wherever I >> can. > If you want to build your own kernel, there are lots of instructions on > how do this online (google for 'linux kernel in a nutshell' for a free > book about this.) > > Otherwise, can you file a bug with the arch linux developers? They > might be able to help you out here better as you are using a distro > kernel. > > good luck, > > greg k-h > Thanks for your assistance Greg. Benjamin in linux-input has provided the solution. This can be marked as solved.
Thank you.
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