From: Greg KH <greg@kroah.com>
To: Padfoot <padfoot@exemail.com.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: Kernel version 3.2.1 usb touchscreen device not recognised [UDEV? USBINPUT? HOOK]
Date: Fri, 20 Jan 2012 11:02:10 -0500 [thread overview]
Message-ID: <20120120160210.GA21565@kroah.com> (raw)
In-Reply-To: <4F192242.1070909@exemail.com.au>
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
next prev parent reply other threads:[~2012-01-20 16:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-20 8:13 PROBLEM: Kernel version 3.2.1 usb touchscreen device not recognised [UDEV? USBINPUT? HOOK] Padfoot
2012-01-20 16:02 ` Greg KH [this message]
2012-01-20 20:13 ` Padfoot
2012-01-20 20:44 ` Greg KH
2012-01-20 21:53 ` Padfoot
2012-01-20 20:50 ` Benjamin Tissoires
2012-01-20 21:57 ` Padfoot
2012-01-23 9:50 ` Benjamin Tissoires
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