On 4.15.0-29-generic (Ubuntu 16.04) touchpad works for me except for
mechanical left/right click (tapping the touchpad works though).
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I just tried the daily ISO of Bionic Beaver and there the touchpad
doesn't work either (4.13.0-25-generic)
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Title:
Touchpad not dete
Not at all, go ahead and add mine. Thanks!
On Aug 12, 2017 18:15, "F. H." <1700...@bugs.launchpad.net> wrote:
OK, I'm still fixing the patch ^^
@mykesx and @bjodah:
I just discovered the "tested-by" tag. Would you mind if I put your names
into this field?
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@mykesx, yes, it was my impression that "changing" a value in BIOS twice
(to its original value was not an idempotent operation -- hence there
are bugs in the BIOS). I can reproduce the black screen when rebooting,
but it also happens for me on an unpatched kernel. I guess you should
open a separat
@mykesx, I can relate, I'm in the same position (I set predefined charge
level in windows for example, since yoga notebooks are not supported by
tp_smapi). I've managed to keep the Windows install functioning
(rebooted into safe mode when changing SATA mode from RAID to AHCI.
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@mykesx I had the same problem, for some reason (I have no idea why)
changing to legacy boot in BIOS helped. For 4.13rc I cloned:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13-rc3/, applied the
ubuntu specific patches, added the PCI id line and set do_zfs = false in
debian.master/rules.d/amd6
@CoolStar thanks! Applying the updated patch works for me (I applied it
to v4.13rc1)
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Title:
Touchpad not detected in Lenovo X1 Yoga
Looking closer at my dmesg that happens for me too (see attached file)
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1700657/+attachment/4924394/+files/dmesg.txt
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Thanks, I'm on the same BIOS version. Compiling for the 4.10.0-28 kernel
did not help in my case:
$ dmesg | grep -i elan
[9.312172] i2c_hid i2c-ELAN0651:00: can't add hid device: -5
[9.330609] i2c_hid: probe of i2c-ELAN0651:00 failed with error -5
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The previous entries in dmesg was with @coolstar's patch and with the patch to
elan_i2c_core.c,
only applying @coolstar's patch for v4.13rc1 i see this in dmesg:
[8.995266] i2c_hid i2c-ELAN0651:00: i2c-ELAN0651:00 supply vdd not found,
using dummy regulator
[ 10.620352] i2c_hid i2c-ELAN065
With @coolstar's patch the touchpad reported in dmesg:
[8.919391] i2c_hid i2c-ELAN0651:00: i2c-ELAN0651:00 supply vdd not found,
using dummy regulator
[ 10.555964] i2c_hid i2c-ELAN0651:00: can't add hid device: -5
[ 10.556078] i2c_hid: probe of i2c-ELAN0651:00 failed with error -5
[ 10.
I also tried adding this line:
alias usb:v06CBp00081*dc*dsc*dp*ic*isc*ip*in* synaptics_usb
to a file: /etc/modprobe.d/local-aliases.conf
I formatted the line in analogy to lines with usb:v06CB in
/lib/modules/4.13.0-999-generic/modules.alias
/sys/kernel/debug/usb/devices still show "Driver=(non
I compiled 4.13rc1 including the patch adding the ELAN0651 to the acpi device
id array.
It did not help. I think the device is connected over USB:
$ lsusb -vv
...
Bus 001 Device 003: ID 06cb:0081 Synaptics, Inc.
...
There was some discussion here:
https://www.reddit.com/r/Lenovo/comments/6alxy3
Sorry, forgot to mention the most important bit of information: that did not
solve the problem.
Nor did adding "acpi=biosirq" or "i8042.reset" to the kernel line (solutions
reported for other computers with similar problems).
Secure boot was disabled throughout. (I have no idea why legacy boot
w
I managed to boot the kernel I had compiled with the above patch (but
not based on 4.12.1 but on 4.8.0). I needed to change to legacy boot
mode in BIOS to get it to boot.
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htt
I am using Ubuntu 16.04.2, currently running the default
4.8.0-58-generic kernel (works fine except for the touchpad not being
detected, had to switch sata mode from raid to ahci for it to detect the
ssd though).
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I am affected by this bug as well (Lenovo Yoga 720-15IKB, touchpad not
detected).
I tried the mainline kernel (4.12.1) but I only see "Loading initial
ramdisk ..." and it appears to hang. (removing "quiet" has no effect).
I wanted to try if this diff would fix the problem (hwid from windows devic
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