linux-kernel - Re: [PATCH v16 00/12] input: cyapa: instruction of cyapa patches

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Message-ID: <20141220073154.GB4637@dtor-ws>
Date:	Fri, 19 Dec 2014 23:31:54 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Jeremiah Mahler <jmmahler@...il.com>, Dudley Du <dudl@...ress.com>,
	rydberg@...omail.se, bleung@...gle.com, dso@...ress.com,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v16 00/12] input: cyapa: instruction of cyapa patches

On Fri, Dec 19, 2014 at 11:15:33PM -0800, Jeremiah Mahler wrote:
> Dudley,
> 
> On Thu, Dec 18, 2014 at 06:00:44PM +0800, Dudley Du wrote:
> > V16 patches have below updates, details of other updates see history list:
> [...]
> 
> This version has problems.  I am getting an oops (below) and then things
> quit working and usually my machine hangs.
> 
> [    2.388284] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card1/input10
> [    2.412938] FS-Cache: Netfs 'nfs' registered for caching
> [    2.427645] [drm] Initialized i915 1.6.0 20141121 for 0000:00:02.0 on minor 0
> [    2.428320] __add_probed_i2c_device failed to register device 1-4a
> [    2.428331] platform chromeos_laptop: Driver chromeos_laptop requests probe deferral
> [    2.429126] fbcon: inteldrmfb (fb0) is primary device
> [    2.449066] BUG: unable to handle kernel NULL pointer dereference at 0000000000000160
> [    2.449073] IP: [<ffffffff813f7b2b>] input_mt_sync_frame+0xb/0x60

Sounds like we got an interrupts before we had a chance to initialize
input device...

Thanks.

-- 
Dmitry
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