this is the LAST working touchpad dmesg for drm-intel, after
201712022100 touch is not working.
** Attachment added: "dmesg_4.14_drm-intel"
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Touchpad stops working after reboot on Apollo Lake
Status in Linux:
Status in linux package in Ubuntu:
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
[ 3077.604699] i2c_hid i2c-SYNA3602:00: failed to reset device.
[ 3077.605473] dpm_run_callback(): i2c_hid_resume+0x0/0xe0 [i2c_hid] returns
[ 3080.468156] i2c_hid i2c-SYNA3602:00: i2c_hid_get_input: incomplete report
Linux 4.10.0-32-generic #36~16.04.1-Ubuntu SMP Wed Aug 9 09:19:02 UTC 2017
There has to be a bug in the kernel. Any way to avoid this?
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