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Description of problem: I recently updated my MacBook's kernel to 3.8.1-201.fc18.x86_64 and found that Fedora 18 no longer detects my external monitor. Version-Release number of selected component (if applicable): kernel-3.8.1-201.fc18.x86_64 xorg-x11-drv-nouveau-1.0.6-1.fc18.x86_64 How reproducible: Every time Steps to Reproduce: 1. Upgrade Fedora 18 to kernel-3.8.1-201.fc18.x86_64 2. Boot the new kernel 3. Connect an external DVI monitor via an Apple Mini DisplayPort adapter Actual results: Fedora does not detect the external monitor. Expected results: Rebooting using kernel-3.7.9-205.fc18.x86_64 fixes things, that is, Fedora 18 detects the external monitor when using this version. Additional info: My laptop is a MacBook5,1. lspci reports: VGA compatible controller: NVIDIA Corporation C79 [GeForce 9400M] (rev b1)
Is this working with 3.8.7? If not, could you post dmesg output from 3.7.9 and 3.8.7?
3.8.7 does not work either.
Created attachment 736549 [details] Output from dmesg on Linux 3.8.7
I am also having this problem with Fedora 19: kernel-3.9.6-301.fc19.x86_64 xorg-x11-drv-nouveau-1.0.7-1.fc19.x86_64
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 19 kernel bugs. Fedora 19 has now been rebased to 3.11.1-200.fc19. Please test this kernel update and let us know if you issue has been resolved or if it is still present with the newer kernel. If you experience different issues, please open a new bug report for those.
This is still a problem with kernel-3.11.1-200.fc19.x86_64.
It seems that kernel-3.11.8-300.fc20.x86_64 on Fedora 20 still has a problem. Here when I plug in an external monitor, both screens go blank.
Here are some more details about the current status: 1. "gnome-control-center display" states "Could not get screen information". 2. Booting the laptop with an HDMI television connected using a Mini-DP adapter works---the laptop uses the television as a second display. 3. Booting the laptop with a VGA monitor connected using a Mini-DP adapter causes the main screen to go blank after GRUB loads the kernel (the VGA screen never displays anything). 4. Booting the laptop, later connecting the VGA monitor, and then running "xrandr --output LVDS-1 --mode 1280x800 --output DP-1 --mode 1900x1080" causes the main display to go blank (the VGA monitor never displays anything).
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 20 kernel bugs. Fedora 20 has now been rebased to 3.13.4-200.fc20. Please test this kernel update and let us know if you issue has been resolved or if it is still present with the newer kernel. If you experience different issues, please open a new bug report for those.
No change with 3.13.3-201.fc20.x86_64.
The bug is still present in kernel 3.13.4-200.fc20.x86_64. (AMD A6-3500 APU Radeon HD Graphics)
No change with 3.13.5-200! -now I have three not working kernel in my grub.cfg! My computer doesn't start any longer! I have made the update late at night. Today I'm doing a downgrade to 3.12.
Created attachment 870128 [details] Result of execution startx
Same here. Forced to use 3.12.10 kernel.
I'm using the proprietary amd-catalyst driver now, it works with 3.13.5-200 too. Sorry.
Created attachment 877911 [details] Output from dmesg on Linux 3.13.6, following use of xrandr
This problems described by peter and NM do not seem to be due to the same bug as was originally reported.
Some of the lines in my latest dmesg log resemble those reported at: https://bugs.freedesktop.org/show_bug.cgi?id=63135
Sorry if I was wrong, the symptom appeared to be the same. I'm not affected because I switched to nVidia. I need the card for a project. I can be removed from the cc list.
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 20 kernel bugs. Fedora 20 has now been rebased to 3.14.4-200.fc20. Please test this kernel update (or newer) and let us know if you issue has been resolved or if it is still present with the newer kernel. If you experience different issues, please open a new bug report for those.
This bug is ancient and the relevant details are stale. We're going to close this out. If you're still having issues with 3.14.y or newer, please open a new bug.