Bug 73637

Summary:	SIGSEGV in evdev_process_touch when original output is plugged back
Product:	Wayland	Reporter:	Anu Reddy <anasuyax.r.nannuri>
Component:	weston	Assignee:	Wayland bug list <wayland-bugs>
Status:	VERIFIED FIXED	QA Contact:
Severity:	normal
Priority:	medium
Version:	unspecified
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:
Attachments:	weston crahses on touching original display icons

Description Anu Reddy 2014-01-14 23:10:35 UTC

Steps:
1. Identify primary as display1 and secondary as display2
2. Launch Weston
3. Unplug display1. Mouse pointer moves to display2.
4. Plug display1
5. Launch terminal from display1 by touching the toolbar icon
6. Observe Weston crash. This crash happens when display1 toolbar icons are touched.

Software Stack
wayland (HEAD) 1.3.92-0-gc102c20
drm (HEAD) libdrm-2.4.50-0-g4c5de72
mesa (HEAD) remotes/origin/10.0-0-g3a62718
libva (HEAD) libva-1.2.1-0-g88ed1eb
intel-driver (HEAD) 1.2.1-0-g8f306e3
weston (HEAD) 1.3.92-0-gb637a40

Comment 1 Anu Reddy 2014-01-14 23:17:57 UTC

Created attachment 92101 [details]
weston crahses on touching original display icons

Comment 2 Kristian Høgsberg 2014-01-17 20:03:15 UTC

commit 17bccaed428ac1f6ec9f8e667175ad81e90508ff
Author: Kristian Høgsberg <krh@bitplanet.net>
Date:   Thu Jan 16 16:46:28 2014 -0800

    input: Handle unplugging the output for a touchscreen device
    
    A paired touch screen will stop sending events if its corresponding
    output is unplugged.  An unpaired touchscreen will pick the new primary
    output.
    
    https://bugs.freedesktop.org/show_bug.cgi?id=73637

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