Adam Dingle, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1190806/comments/14
regarding you aren't running Ubuntu on the computer. For future
reference you can manage the status of your own bugs by clicking on the
current status in
I'm no longer attempting to run Ubuntu on a MacBook, so I have no way to
test this right now. Sorry! We can just close this if you like.
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https://bugs.launchpad.net/bugs/1190806
Title:
Adam Dingle, thank you for reporting this and helping make Ubuntu
better.
Could you please boot into a working environment of Ubuntu (i.e. without
disabling the nvidia card), and run the following command once from a terminal
by ensuring you have the package xdiagnose installed, and that you
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Confirmed
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** Tags added: no-screens
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Title:
X server fails to start on MacBookPro9,1 with hybrid Intel/Nvidia
graphics: no screens found
To manage
Ah. And who should be setting the mux in that way? The Intel X driver?
The Intel kernel driver? Some other component?
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Title:
X server fails
vgaarb and the mux driver
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Title:
X server fails to start on MacBookPro9,1 with hybrid Intel/Nvidia
graphics: no screens found
To manage
Ah. Is this something that you can work on (and are willing to), or
should I refile this as a bug in those kernel drivers to bring this to
the attention of others?
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I spoke to Dave Airlie and he is aware of this issue, but hasn't a clue
how to proceed given the dearth of documentation Apple (or their
component suppliers) provides - though he succeeded in getting the eDP
lit up on occasion. It is not a task I am going to do myself. You can
always ask if
No... The issue is that X considers the nvidia GPU still as the primary
and so loads VESA for it (which fails) and Intel as the secondary GPU
driver.
So the secret will be to set the mux to make Intel the primary/boot GPU
and connected to the displays.
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Looks like there is still a mux involved - a hardware switch between the
GPUs and the screen. That is preventing the igfx from detecting any
connectors, and from there it looks like things go south. (But as far as
I am aware, that should not actually prevent the driver from being
loaded - since
** Attachment added: Xorg.0.log
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1190806/+attachment/3702762/+files/Xorg.0.log
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** Attachment added: dmesg
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1190806/+attachment/3702763/+files/dmesg
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Note that in the X log I attached the X server still loads the Nouveau X
driver nouveau_drv.so. As I mentioned I blacklisted the kernel driver,
so I assume that the X driver can't do anything. Still, maybe I should
repeat this experiment with the Nouveau X driver uninstalled.
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OK, I uninstalled the Nouveau X driver, blacklisted the Nouveau kernel
driver and rebooted. As I suspected, it made no difference: the X
server still failed to start. I'll attach the Xorg.0.log from this time
around.
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** Attachment added: Xorg.0.log
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1190806/+attachment/3702764/+files/Xorg.0.log
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