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Issue 803780 link

Starred by 3 users

Issue metadata

Status: Untriaged
Owner: ----
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 3
Type: Bug



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touch down on touchpad causes mouse pointer to jump to a strange location

Project Member Reported by uekawa@google.com, Jan 19 2018

Issue description

Chrome Version: 65.0.3316.0
OS: 10297.0.0 
device: eve

What steps will reproduce the problem?
(1) tap on touchpad to try to drag mouse pointer

What is the expected result?
on starting the tap the mouse pointer doesn't move and the relative moves after that will
move the mouse pointer.


What happens instead?
on starting the tap the mouse pointer moves

Please use labels and text to provide additional information.


For graphics-related bugs, please copy/paste the contents of the about:gpu
page at the end of this report.


 

Comment 1 by uekawa@google.com, Jan 19 2018

Cc: seobrien@chromium.org

Comment 2 by seobrien@google.com, Jan 19 2018

Can you file a feedback report and reply with a link?
Thanks
Components: Internals>Input>Touch>Pad
Cc: omrilio@chromium.org
I saw the same issue last week, but the issue is now gone. Last week, I had the latest canary build that I installed myself.

Today, I've flashed my eve device (DVT if it matters) with an old stable recovery image of "stable-channel eve 9765.85.0" (M61 stable). While doing the recovery, it got a touchpad firmware update, if I remember correctly. The device then got auto-updated to "10032.86.0" (M63 stable). I think it got another touchpad firmware update after a reboot.


Comment 5 by fouchal@google.com, Jan 23 2018

Cc: adlr@chromium.org
Cc: osh...@chromium.org
I saw same issue but gone after clearing the stateful data (by switching dev-mode). I assume some saved data (maybe ash or display related?) on device is corrupt and causes this issue.

Switching user didn't help, and other user on the same device has the same issue.

Chrome: 68.0.3404.0 (Official Build) canary (64-bit)
Platform: 10612.0.0 (Official Build) canary-channel eve

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