Though the symptoms are the same, a lot of time the root cause differs.
So please file a new bug.
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https://bugs.launchpad.net/bugs/1658345
Title:
Touchpad not recognized on Lenovo
@kaihengfeng I am having a similar problem with a Lenovo ideapad 330.
Could I get access to the custom kernel you posted before? Those links
are dead.
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@Varga,
Please file a new bug report.
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https://bugs.launchpad.net/bugs/1658345
Title:
Touchpad not recognized on Lenovo Ideapad Flex 4 running Ubuntu 16.10
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I *think* I have the same touchpad issue with an IdeaPad 320. How do I
find out if I have the same touchpad as in the Flex? I have no Windows
to find out running it:(
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When you rollback to old kernel, does the touchscreen work? Which
version is it? Do you use DKMS for the touchscreen?
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Title:
Touchpad not
Here is dmesg for 4.13 rc4
** Attachment added: "dmesg_4.13rc4.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1658345/+attachment/4934483/+files/dmesg_4.13rc4.txt
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Here is dmesg for v4.13 rc5
** Attachment added: "dmesg_4.13.0_rc5.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1658345/+attachment/4934484/+files/dmesg_4.13.0_rc5.txt
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Okay, so the touchscreen issue is unrelated to touchpad. I'll send a
patch to enable the touchpad.
Also, Mark said the touchscreen works on 4.13-rc4 in comment #45. Can
you attach `dmesg` on 4.13-rc4 and 4.13-rc4?
If this is a regression, you need to find the last working mainline
kernel and the
Okay, so the touchscreen issue is unrelated to touchpad. I'll send a
patch to enable the touchpad first.
Also, Mark said the touchscreen works on 4.13-rc4 in comment #45. Can
you attach `dmesg` on 4.13-rc4?
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Neither touch screen nor touchpad works :(
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Title:
Touchpad not recognized on Lenovo Ideapad Flex 4 running Ubuntu 16.10
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Weird. Does [1] have the touchscreen issue?
[1]
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13-rc4/linux-image-4.13.0-041300rc4-generic_4.13.0-041300rc4.201708062231_amd64.deb
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apport information
** Description changed:
I installed Ubuntu 16.10 on my Lenovo Ideapad Flex 4 laptop. Ubuntu does not
recognize the touchpad (it does recognize the touch screen nicely though). When
I run xinput -list, I do not see the touchpad. I dual boot with Windows 10,
which
No luck with touch screen. Same as before, the touchpad works but no
touchsreen. I posted apport info. Also got an error indicating headers
were missing b/c you only posted the single deb image. Not sure if that
has something to do with it.
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Alright, try this:
http://people.canonical.com/~khfeng/linux-image-4.13.0-rc5-elan0602_4.13.0-rc5-elan0602-1_amd64.deb
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Title:
Touchpad not
I was able to get the mousepad working with the last kernel you posted.
However, the touchscreen is not working. Mousepad shows up as "Elan Touchpad"
in xinput. Now missing "SYNA7300:00 06CB:177C" device that was the touchscreen.
http://people.canonical.com/~khfeng/lp1658345-elan-i2c/
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Please try this kernel:
http://people.canonical.com/~khfeng/lp1658345-elan-i2c/
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Title:
Touchpad not recognized on Lenovo Ideapad Flex 4 running
4.13-rc4 - touchscreen is working. No go on touchpad, does not show up
with lsusb, lspci or lshw
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Title:
Touchpad not recognized on Lenovo
Please try 4.13-rc4 again. Hopefully the touchscreen regression is fixed
now.
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Title:
Touchpad not recognized on Lenovo Ideapad Flex 4 running
apport information
** Tags added: zesty
** Description changed:
I installed Ubuntu 16.10 on my Lenovo Ideapad Flex 4 laptop. Ubuntu does not
recognize the touchpad (it does recognize the touch screen nicely though). When
I run xinput -list, I do not see the touchpad. I dual boot with
Can you apport-collect under 4.13?
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Title:
Touchpad not recognized on Lenovo Ideapad Flex 4 running Ubuntu 16.10
To manage notifications about
I couldn't get any of the mainline kernels to recognize my touchscreen
or touchpad. I checked between 4.4 and 4.13 with no luck. The
touchscreen works on Ubuntu 16.10 (4.8) and 17.04 (4.10.0-20). Since it
works on those distributions, I'm not sure why none of the mainline
kernels will work. Any
It's a regression for your touchscreen - can you find the first bad
mainline kernel that fails to make touchscreen work?
https://wiki.ubuntu.com/Kernel/KernelBisection, "Bisecting upstream
kernel versions" part.
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Please see attached. The touchscreen does not work. It does not even
show up in my device list.
** Attachment added: "dmesgv4.13.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1658345/+attachment/4916552/+files/dmesgv4.13.txt
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Okay, so the error in dmesg in #25 should be fixed in -rc3.
Can you use [1], attach dmesg with "i2c-hid.dyndbg=+p" again?
Also, does touchscreen work?
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13-rc1/
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In the Windows 10 device manager, it is listed as "ELAN pointing
device". In device details it indicates the manufacturer is "ELAN" and
location indicates "on I2C HID Device".
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What's the touchpad ID under Windows 10?
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Title:
Touchpad not recognized on Lenovo Ideapad Flex 4 running Ubuntu 16.10
To manage notifications
elantech is the touchpad that Ubuntu cannot recognize. Without it, I do
not have a mouse unless I use an external one or touchscreen. Also, I
currently use kernel 4.8.0-45 and the touchscreen works. When I tried
the kernels you provided, the touchscreen does not show up in xinput
-list. In kernel
Why do you need elantech_x551c at first place?
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Title:
Touchpad not recognized on Lenovo Ideapad Flex 4 running Ubuntu 16.10
To manage
And here is dmesg for the second kernel.
** Attachment added: "dmesg2.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1658345/+attachment/4915320/+files/dmesg2.txt
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Please see attached. I got an error indicating "elantech_x551c" is
missing when installing the kernels.
** Attachment added: "dmesg1.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1658345/+attachment/4915319/+files/dmesg1.txt
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Hmm, can you attach both dmesg?
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Title:
Touchpad not recognized on Lenovo Ideapad Flex 4 running Ubuntu 16.10
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Neither kernel worked unfortunately. Please see attached. Additionally,
my touch screen was not recognized.
** Attachment added: "kernel_411.0-11_error.png"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1658345/+attachment/4914904/+files/kernel_411.0-11_error.png
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Please try kernel in [1] and [2], see which one works.
[1] http://people.canonical.com/~khfeng/lp1658345/
[2] http://people.canonical.com/~khfeng/lp1658345-2/
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I tried the latest kernel v4.12-rc7, bit it still does not recognize my
touch pad.
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Title:
Touchpad not recognized on Lenovo Ideapad Flex 4
Both touchpad and touchscreen failed to initialize because of i2c-designware:
[7.199291] i2c_hid i2c-SYNA7300:00: i2c-SYNA7300:00 supply vdd not found,
using dummy regulator
[8.228444] i2c_designware i2c_designware.1: controller timed out
[8.228462] i2c_hid i2c-SYNA7300:00:
I was able to load release 2 of the mainline kernel released on 5/22/17.
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.12-rc2/
Unfortunately, the mousepad is still not recognized after booting with
the kernel parameter you recommended 'i2c-hid.dyndbg=+p'. I placed this
parameter at the end of
I tried loading the latest mainline kernel and I got this error: "ACPI
Error: No handler for Region [ECRM]". Please advise. Thanks.
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Title:
Looks like i2c-hid wasn't loaded for Elan.
Can you try latest mainline kernel here:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.12-rc1/
And boot with `i2c-hid.dyndbg=+p' to kernel parameter.
Attach `dmesg` afterward.
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I'm also having this problem.
Touchpad mostly works in the Basic setting in BIOS/UEFI, but when I'm on
Advanced, the touchpad doesn't even show up in xinput.
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Hey Just Bob. It may help if you indicate that the bug affects you in
the section above. May also help if you send Ubuntu bug info via apport.
Hopefully, we can raise the profile on this bug and get it fixed. Thx.
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I am having the same problem. The touchscreen and touchpad both work in
Windows 10, but the touchpad won't work in Linux.
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Title:
Touchpad not
Hi. Just following up to see if there are any new touchpad drivers that
may help. Thanks.
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Title:
Touchpad not recognized on Lenovo Ideapad Flex
I tested my laptop with the upstream kernel 4.10 and it does not
recognize my touchpad. Please see attached screen shot I captured during
the install. It indicates an error with the Elantech ps mouse / touchpad
device.
** Attachment added: "dkms_elantech_error.png"
I was never able to get Ubuntu to recognize the touchpad. This is a new
laptop. Last week, I tried the latest upstream version 17.10 with the same
result. Is there a new version this week?
On Monday, January 23, 2017, Joseph Salisbury <
joseph.salisb...@canonical.com> wrote:
> Did this issue
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.10
apport information
** Tags added: apport-collected yakkety
** Description changed:
- I installed Ubuntu 16.10 on my Lenovo Ideapad Flex 4 laptop. Ubuntu does
- not recognize the touchpad (it does recognize the touch screen nicely
- though). When I run xinput -list, I do not see the touchpad. I
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