** Also affects: mir (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1543049
Title:
InputPlatformProbe.x11_platform_found_and_used_when_display_connection_works
breaks with old input drivers present
Status in Mir:
Fix Committed
Status in mir package in Ubuntu:
New
Bug description:
When there is a bump in the graphics platform ABI but no simultaneous
bump in the input side we end up having more usable X11 platforms than
expected. Because of the bump we get two x11 server modules:
$ ls lib/server-modules/
graphics-android.so.7 graphics-dummy.so graphics-mesa-kms.so.8
input-evdev.so.4 input-stub.so server-mesa-x11.so.8
graphics-android.so.8 graphics-mesa-kms.so.7 graphics-throw.so
input-evdev.so.5 server-mesa-x11.so.7
And as the log shows both are supported as input platforms (but only
one would work as a graphics platform):
$ bin/mir_unit_tests --gtest_filter=InputPlatformProbe*
MIR_CLIENT_PLATFORM_PATH=bin/../lib/client-modules/
MIR_SERVER_PLATFORM_PATH=bin/../lib/server-modules/
LD_LIBRARY_PATH=bin/../lib
exec=bin/mir_unit_tests.bin
Running main() from main.cpp
Note: Google Test filter = InputPlatformProbe*
[==========] Running 4 tests from 1 test case.
[----------] Global test environment set-up.
[----------] 4 tests from InputPlatformProbe
[ RUN ] InputPlatformProbe.stub_platform_not_picked_up_by_default
[2016-02-08 10:25:31.446023] mirserver: Selected input driver:
mir:evdev-input (version: 0.20.0)
[ OK ] InputPlatformProbe.stub_platform_not_picked_up_by_default (34 ms)
[ RUN ]
InputPlatformProbe.x11_platform_found_and_used_when_display_connection_works
[2016-02-08 10:25:31.460373] mirserver: Selected input driver: mir:x11-input
(version: 0.20.0)
[2016-02-08 10:25:31.462505] mirserver: Selected input driver: x11-input
(version: 0.19.0)
[2016-02-08 10:25:31.488286] mirserver: Selected input driver:
mir:evdev-input (version: 0.20.0)
/home/alan/display_server/development-branch/tests/unit-tests/input/test_input_platform_probing.cpp:149:
Failure
Value of: platforms
Expected: has 2 elements and there exists some permutation of elements such
that:
- element #0 is a or derived from a N3mir5input5evdev8PlatformE, and
- element #1 is a or derived from a N3mir5input1X14XInputPlatformE
Actual: { 24-byte object <F0-8F 46-04 00-00 00-00 E0-8F 46-04 00-00 00-00
00-D4 43-04 00-00 00-00>, 24-byte object <60-94 46-04 00-00 00-00 50-94 46-04
00-00 00-00 80-DA 43-04 00-00 00-00>, 24-byte object <A0-D5 43-04 00-00 00-00
90-D5 43-04 00-00 00-00 50-DA 45-04 00-00 00-00> }, which has 3 elements
[ FAILED ]
InputPlatformProbe.x11_platform_found_and_used_when_display_connection_works
(42 ms)
[ RUN ] InputPlatformProbe.x11_input_platform_not_used_when_vt_specified
[2016-02-08 10:25:31.524523] mirserver: Selected input driver:
mir:evdev-input (version: 0.20.0)
[ OK ] InputPlatformProbe.x11_input_platform_not_used_when_vt_specified
(36 ms)
[ RUN ] InputPlatformProbe.allows_forcing_stub_input_platform
[2016-02-08 10:25:31.530326] mirserver: Selected input driver: mir:stub-input
(version: 0.20.0)
[ OK ] InputPlatformProbe.allows_forcing_stub_input_platform (5 ms)
[----------] 4 tests from InputPlatformProbe (117 ms total)
[----------] Global test environment tear-down
[==========] 4 tests from 1 test case ran. (118 ms total)
[ PASSED ] 3 tests.
[ FAILED ] 1 test, listed below:
[ FAILED ]
InputPlatformProbe.x11_platform_found_and_used_when_display_connection_works
1 FAILED TEST
If we have a release with a bump like this, users upgrading might end
up in a problematic configuration.
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