linux-kernel - Re: ELAN Touchscreen regression in recent 3.12 rc's? (USB)

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Message-ID: <20131109142356.6bf47526@voldemort.scrye.com>
Date:	Sat, 9 Nov 2013 14:23:56 -0700
From:	Kevin Fenzi <kevin@...ye.com>
To:	Jiri Kosina <jkosina@...e.cz>,
	Nikolai Kondrashov <spbnick@...il.com>,
	Josh Boyer <jwboyer@...oraproject.org>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: ELAN Touchscreen regression in recent 3.12 rc's? (USB)

On Thu, 7 Nov 2013 16:10:07 +0800
AceLan Kao <acelan.kao@...onical.com> wrote:

> Hi Kevin,
> 
> http://people.canonical.com/~acelan/elan_touchscreen/
> Here are the kernels, please test them one by one and tell me which
> one works. As your description, the first one should work, and the
> second one doesn't, I just want to make sure that, so I build the rc6
> and rc7 kernel to test. Thanks.

Thats very nice of you. :) 

However, I run Fedora rawhide here, so deb's aren't too useful for me. 

I just confirmed that: 

kernel-3.12.0-0.rc6.git0.1.fc21.x86_64 is ok. 
and
kernel-3.12.0-0.rc6.git1.1.fc21.x86_64 shows the issue. 

So, thats between 3.12-rc6 and 57-g69c88dc
I'm setting up to build some kernels to bisect it. 

git bisect start
# bad: [69c88dc7d9f1a6c3eceb7058111677c640811c94] vfs: fix new kernel-doc warnings
git bisect bad 69c88dc7d9f1a6c3eceb7058111677c640811c94
# good: [31d141e3a666269a3b6fcccddb0351caf7454240] Linux 3.12-rc6
git bisect good 31d141e3a666269a3b6fcccddb0351caf7454240

Will let you know what I end up with, thanks. 

kevin

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