** Changed in: mir/0.26
Milestone: 0.26.2 => 0.26.3
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to mir in Ubuntu.
https://bugs.launchpad.net/bugs/1672955
Title:
unity-system-compositor crashed with SIGSEGV in
libinput_device_config_accel_is_available() from
libinput_device_config_accel_set_speed() from
mir::input::evdev::LibInputDevice::apply_settings()
Status in Canonical System Image:
Triaged
Status in Mir:
In Progress
Status in Mir 0.26 series:
Triaged
Status in Unity System Compositor:
Invalid
Status in mir package in Ubuntu:
Triaged
Status in unity-system-compositor package in Ubuntu:
Invalid
Bug description:
The Ubuntu Error Tracker has been receiving reports about a problem regarding
unity-system-compositor. This problem was most recently seen with package
version 0.9.1+17.04.20170216-0ubuntu1, the problem page at
https://errors.ubuntu.com/problem/fcf5550475fb0478d6eb2a307f03705ef1ed398a
contains more details, including versions of packages affected, stacktrace or
traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker you can request it at
http://forms.canonical.com/reports/.
It seems that the configuration change is requested just a moment
before the device gets removed. The change actions are serialized,
depending on where there memory of mir::input::DefaultDevice is
allocated the segfault either occurs inside the lambda or inside
underlying mir::input::LibInputDevice in the platform. The activities
on input dispatch device removal and reconfiguration are serialized
inside the input thread, so we just need to clean the action queue (or
have multiple queues) before removing the devices.
To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1672955/+subscriptions
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