On 01/16/2015 11:50 AM, Pratik Vyas wrote:
Experience based on Macbook Pro (8,1)
I faced this issue with some projectors. Solution was to run xrandr manually.
xrandr --addmode DP1 1024x768
xrandr --output DP1 --mode 1024x768 --rate 60
(does your macbook had display port as DP1 too?)
Yes it has DP1 but it appears that DP1 is disconnected as soon as I run
xrandr. More detailed observations are:
* When I restart the machine, xrandr detects and projector/monitor on
DP1 as connected. As soon as try anything through
xrandr/lxrandr/arandr, DP1 output gets disconnected.
* I tried using --noprimary and the monitor remained connected. But
when I tried to change its resolution, it once again got disconnected.
* I tried setting DP1 as --primary and now the monitor is connected
but laptop screen is switched off. However, I am unable to do
anything because the screen resolution does not match and I am
unable to see an open a terminal on the monitor.
Any suggestions on what I should try?
* It appears that apple has moved the webcam from usb based interface to
PCI and so I am unable to use the built-in webcam (an external webcam works
fine) in Ubuntu. This is lesser of the problem but would appreciate hearing
any suggestions for this too.
I think 6,1 would be an older system because my iSight camera worked
out of the box with uvc.
Yes, looks like Apple has introduced this change recently.
Thanks and regards,
Uday Khedker.
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