Public bug reported:
[Impact]
In Precise and Saucy, we support hybrid graphics, but this issue prevents users
from hotplugging external screens (the ones connected to the Intel card if
nvidia is driving the display). The timestamps on the main screen are never
updated when a output is plugged in to the gpu screen.
This is also the bug for getting xorg-server 1.14.5 backported to saucy.
[Test Case]
Requires fix for #1224254 first.
Plug in a screen after gsd started. The screen should turn on and enter
mirror mode or extended mode. Wrong behavior: Screen stays off.
[Regression Potential]
Low, but not zero. We will also bump the micro release with the MRE, the ABI
was been broken shortly after 1.14.4, but this was quickly discovered and fixed
before 1.14.5rc1 was released. There's also a commit "xfree86: Find primary
entity when bus types are nominally different" which I suspect could have
broken driver loading in the optimus configuration, but we already have a
different fix because I ran into the same bug after a similar fix before.
** Affects: xorg-server (Ubuntu)
Importance: High
Assignee: Maarten Lankhorst (mlankhorst)
Status: In Progress
** Affects: xorg-server (Ubuntu Saucy)
Importance: Undecided
Status: New
** Package changed: xserver-xorg-video-modesetting (Ubuntu) => xorg-
server (Ubuntu)
** Changed in: xorg-server (Ubuntu)
Status: New => In Progress
** Changed in: xorg-server (Ubuntu)
Assignee: (unassigned) => Maarten Lankhorst (mlankhorst)
** Changed in: xorg-server (Ubuntu)
Importance: Undecided => High
** Also affects: xorg-server (Ubuntu Saucy)
Importance: Undecided
Status: New
--
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which is subscribed to xserver-xorg-video-modesetting in Ubuntu.
https://bugs.launchpad.net/bugs/1259561
Title:
config timestamps not updated on hotplugging a output with hybrid
graphics
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