From: Andy Lutomirski <luto@amacapital.net>
To: Andrew Duggan <andrew.duggan@gmail.com>,
Mario Limonciello <mario_limonciello@dell.com>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>,
Benjamin Tissoires <btissoir@redhat.com>,
"linux-input@vger.kernel.org" <linux-input@vger.kernel.org>,
Jiri Kosina <jikos@kernel.org>, Jingoo Han <jingoohan1@gmail.com>,
Pratyush Anand <pratyush.anand@gmail.com>
Subject: Re: hid-multitouch stuck taps, possibly 4.5 regression?
Date: Sun, 26 Jun 2016 16:37:15 -0700 [thread overview]
Message-ID: <CALCETrU_PBH81oUHomwZhOLJ3CFOBa5hotavsOxymV=Qd6mT-A@mail.gmail.com> (raw)
In-Reply-To: <CALCETrVfp0LcLxbgHAnkyi8o+rzxOmTFZkE5E-5sU2wU8hSi3A@mail.gmail.com>
On Fri, Apr 22, 2016 at 9:37 AM, Andy Lutomirski <luto@amacapital.net> wrote:
> Adding Mario.
>
> On Fri, Mar 18, 2016 at 11:53 AM, Andrew Duggan <andrew.duggan@gmail.com> wrote:
>> On Fri, Mar 18, 2016 at 10:42 AM, Andy Lutomirski <luto@amacapital.net> wrote:
>>> On Thu, Mar 17, 2016 at 1:24 PM, Andrew Duggan <andrew.duggan@gmail.com> wrote:
>>>> On Thu, Mar 17, 2016 at 11:43 AM, Andy Lutomirski <luto@amacapital.net> wrote:
>>>>> On Thu, Mar 17, 2016 at 1:06 AM, Mika Westerberg
>>>>> <mika.westerberg@linux.intel.com> wrote:
>>>>>> On Wed, Mar 16, 2016 at 02:59:48PM -0700, Andy Lutomirski wrote:
>>>>>>> [add i2c-designware maintainers]
>>>>>>>
>>>>>>> On Wed, Mar 16, 2016 at 1:47 AM, Benjamin Tissoires <btissoir@redhat.com> wrote:
>>>>>>> > Hi Andy,
>>>>>>> >
>>>>>>> > On Mar 15 2016 or thereabouts, Andy Lutomirski wrote:
>>>>>>> >> Hi-
>>>>>>> >>
>>>>>>> >> In 4.5 and several 4.5 rcs, I see occasional stuck taps (I think) on
>>>>>>> >> my XPS 13 9350's touchpad. The effect is that trying to left-click
>>>>>>> >> ends up middle-clicking. I think it's a kernel issue and not a
>>>>>>> >> hardware or libinput issue, but I'm not 100% sure. I don't think I
>>>>>>> >> had this issue in 4.4.
>>>>>>> >>
>>>>>>> >> I've attached what I think is an evtest issue of my fixing the issue
>>>>>>> >> by pressing three fingers down in sequence and then releasing them.
>>>>>>> >> After doing that, left-clicks worked.
>>>>>>> >
>>>>>>> > I think I already have been reported the issue here:
>>>>>>> > https://bugs.freedesktop.org/show_bug.cgi?id=93948
>>>>>>> >
>>>>>>> > The result was that it was more likely an I2C transport bug than a
>>>>>>> > hid-multitouch one (see comment #8 in the fdo bug).
>>>>>>> >
>>>>>>> > You can try to run hid-recorder when you see the problems, and then
>>>>>>> > parse the output (or just send it to me). There is huge chances that
>>>>>>> > there will be no events from I2C sending the release.
>>>>>>> >
>>>>>>> > And again, I am not sure how we could end up debugging this in the
>>>>>>> > i2c-designware driver :(
>>>>>>> >
>>>>>>>
>>>>>>> Does this ring a bell?
>>>>>>
>>>>>> i2c-designware usually prints errors to dmesg if it fails to transfer
>>>>>> messages. Can you include dmesg of the failure as well?
>>>>>
>>>>> Nothing shows up at all. All I have is:
>>>>>
>>>>> input: DLL0704:01 06CB:76AE Touchpad as
>>>>> /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-7/i2c-DLL0704:01/0018:06CB:76AE.0001/input/input12
>>>>
>>>> What is the fw id? I have a 9343 with the same touchpad and have not
>>>> noticed an issue. This is the dmesg output for my touchpad.
>>>>
>>>> [ 5.216319] psmouse serio1: synaptics: Touchpad model: 1, fw: 8.1,
>>>> id: 0x1e2b1, caps: 0xd00123/0x840300/0x12e800/0x0, board id: 3038, fw
>>>> id: 1832324
>>>
>>> Mine is shinier and newer, apparently.
>>>
>>> psmouse serio1: synaptics: Touchpad model: 1, fw: 8.2, id: 0x1e2a1,
>>> caps: 0xf00223/0x840300/0x12e800/0x0, board id: 3038, fw id: 2011643
>>
>> It looks like you actually have a slightly newer revision of the
>> module (76AE vs my 76AD). So I can't quite do a direct comparison.
>> However, the 9350 system listed in the bug does have my exact module.
>> Which is why we think it might be a problem with the embedded I2C
>> chipset in the 9350.
I don't know if this was a change in Fedora 24 or a change in the BIOS
1.4.3, but this problem has gotten *much* worse. It seems to trigger
every 30 seconds or so for me now.
--Andy
next prev parent reply other threads:[~2016-06-26 23:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-15 21:47 hid-multitouch stuck taps, possibly 4.5 regression? Andy Lutomirski
2016-03-16 8:47 ` Benjamin Tissoires
2016-03-16 21:59 ` Andy Lutomirski
2016-03-17 8:06 ` Mika Westerberg
2016-03-17 18:43 ` Andy Lutomirski
2016-03-17 20:24 ` Andrew Duggan
2016-03-18 17:42 ` Andy Lutomirski
2016-03-18 18:53 ` Andrew Duggan
2016-04-22 16:37 ` Andy Lutomirski
2016-06-26 23:37 ` Andy Lutomirski [this message]
2016-06-27 4:11 ` Andy Lutomirski
2016-06-27 7:47 ` Benjamin Tissoires
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