Adjusted resolution / DP / HDMI makes system log out ( NVIDIA [10de:1349] is working )
Bug #1575465 reported by
Sean Zhang
This bug report is a duplicate of:
Bug #1503758: /usr/lib/unity-settings-daemon/unity-settings-daemon:5:XIQueryDevice:xdevice_get_dimensions:input_info_find_size_match:get_mappable_output_info:do_touchscreen_mapping.
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This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| OEM Priority Project |
New
|
Critical
|
Unassigned | ||
| Trusty |
New
|
Critical
|
Unassigned | ||
| unity-settings-daemon (Ubuntu) |
New
|
Undecided
|
Unassigned | ||
Bug Description
CPU: Intel(R) Core(TM) i7-6600U CPU @ 2.60GHz
Integrated GPU: Intel Corporation Device [8086:1916]
Discrete GPU: NVIDIA Corporation Device [10de:1349] (Working)
BIOS: N1CET33W (1.01 )
Steps:
1. Install stock Ubuntu 14.04.3 image
2. Make sure GPU NVIDIA Corporation Device [10de:1349] working.
3. Adjust system resolution / DP / HDMI.
Expected result:
Adjust successfully.
Actual result:
System log out;
Log in interface pops up;
Log in system, all prior sessions are killed. That is a brandnew LOGIN.
Notes:
When DP / HDMI connect, internal, extand and mirrow modes work normally. Only externall mode makes system log out.
| Changed in oem-priority: | |
| importance: | Undecided → Critical |
| description: | updated |
| description: | updated |
| information type: | Proprietary → Public |
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As analyzed, it has the same root cause of this bug:
https:/