Hi Hans, again. Right now I don't have a very good PC to build
kernels... my crappy ezbook takes ages. :D I hope Kai-Heng Feng
(kaihengfeng) could do what you are asking! :)

I am not a pro, I don't know what the "bisect thing" means but I know
exactly what kernel is working and what is not... a pro user could
easily spots the bad commit!

>From Ubuntu Mainline:

Last semi working (touch movements,no butons) 4.14 kernel is the the rc7 
(4.14.0-041400rc7).
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.14-rc7/

Last semi working (touch movements,no butons) drm-intel-next is the 
4.14.0-997.201712022100_amd64.
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-next/2017-12-03/

After those, KAPUT...

Thanks.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1728244

Title:
  Touchpad stops working after reboot on Apollo Lake

Status in Linux:
  Unknown
Status in linux package in Ubuntu:
  Triaged

Bug description:
  On the Jumper EZBook 3 Pro (V4) laptop, using an Apollo Lake N3450
  processor, if you install Ubuntu 17.10 (or less) with isorespin and
  use rEFInd as bootloader (this is the only way to get linux booting on
  this laptop) everything works out of the box, but after a reboot or
  two the touchpad stops working. Both in Ubuntu and Windows 10. The
  only way to restore functionality is to boot from usb key ubuntu 17.10
  respined, or disassemble laptop and detach-reattach battery cable.
  This is mesg | grep i2c_hid:

  
  [ 2056.460636] i2c_hid i2c-SYNA3602:00: i2c_hid_get_input: incomplete report 
(27/34)
  [ 3077.604699] i2c_hid i2c-SYNA3602:00: failed to reset device.
  [ 3077.605473] dpm_run_callback(): i2c_hid_resume+0x0/0xe0 [i2c_hid] returns 
-61
  [ 3080.468156] i2c_hid i2c-SYNA3602:00: i2c_hid_get_input: incomplete report 
(27/34)

  
  uname -rvps
  Linux 4.10.0-32-generic #36~16.04.1-Ubuntu SMP Wed Aug 9 09:19:02 UTC 2017 
x86_64

  There has to be a bug in the kernel. Any way to avoid this?

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