I have done so. Honestly, I don't think my display manager (elementary's gala on X) supports multi-touch gestures for most things. I can't pinch to zoom in Chrome, etc. Not really noticing any differences after booting with that kernel flag. - Naftuli Kay On Sat, Dec 1, 2018 at 2:03 PM Yussuf Khalil <dev@xxxxxxxxxx> wrote: > > Glad you found a solution. Have you tried enabling InterTouch anyway? > It's generally desirable to have InterTouch working in order to have > multi-touch gestures work properly. > > Regards > Yussuf Khalil > > > So I found the issue, and I have described the solution here: > > https://github.com/naftulikay/thinkpad-yoga-3rd-gen-acpi > > > > It's a bug in the ACPI for the laptop, the changes described fixed > > both the drivers and allow the laptop to hit deep sleep. > > > > - Naftuli Kay > > On Thu, Nov 29, 2018 at 3:42 AM Yussuf Khalil <dev@xxxxxxxxxx> wrote: > >> > >> Hi Naftuli, > >> > >> the following line is in your dmesg log: > >> [Tue Nov 27 14:31:38 2018] psmouse serio1: synaptics: Your touchpad > >> (PNP: LEN009a PNP0f13) says it can support a different bus. If i2c-hid > >> and hid-rmi are not used, you might want to try setting > >> psmouse.synaptics_intertouch to 1 and report this to > >> linux-input@xxxxxxxxxxxxxxx. > >> > >> Could you try adding psmouse.synaptics_intertouch=1 to your kernel > >> command line and see whether it fixes suspend (please also try > >> suspending and resuming several times)? If it does, your laptop needs to > >> be added to the whitelist of devices that support InterTouch. > >> > >> Regards > >> Yussuf Khalil > >> > >>> Hello, > >>> So I have a ThinkPad X1 Yoga (3rd gen, this year's model) which sees > >>> some pretty gnarly bad things when trying to resume from suspend. I'm > >>> on kernel 4.15.0-39-generic on Ubuntu 16.04 (elementary Loki 0.4.1), > >>> which is the upstream Ubuntu-provided kernel for the hardware > >>> enablement stack (HWE). > >>> > >>> After suspend, all native mouse inputs to the laptop hardly work, the > >>> mouse behavior is erratic and I get a lot of error messages in dmesg. > >>> There are apparently six different pointer-like inputs listed in > >>> xinput: > >>> > >>> Virtual core XTEST pointer > >>> Wacom Pen and multitouch sensor Finger touch > >>> Wacom Pen and multitouch sensor Pen stylus > >>> SynPS/2 Synaptics TouchPad > >>> TPPS/2 Elan TrackPoint > >>> Wacom Pen and multitouch sensor pen eraser > >>> > >>> This really comes down to a few input devices: > >>> > >>> Touch display. > >>> Wacom pen on the touch display (pen and eraser). > >>> A traditional ThinkPad track point. > >>> A touch pad. > >>> > >>> When the laptop resumes from suspend, every one of these inputs > >>> behaves completely erratically, making the laptop nigh unusable until > >>> reboot. I have tried killing X and restarting all display services, > >>> but it appears that these problems are actually in some of the > >>> drivers, as dmesg reports a bunch of errors seemingly related to the > >>> underlying kernel drivers for these devices. > >>> > >>> As I attempt to mouse around, I see more of the same lines emitted to dmesg. > >>> > >>> Is there more information I can provide to help debug and troubleshoot > >>> the problem? > >>> > >>> My dmesg log is here: > >>> https://gist.github.com/naftulikay/71d5c7703d73ea8cf228e62cadfb549e > >>> > >>> - Naftuli Kay > >>>
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