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 -- 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
