[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 Martin Peres changed: What|Removed |Added Resolution|--- |MOVED Status|NEW

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 --- Comment #17 from lazane...@gmail.com --- Created attachment 136058 --> https://bugs.freedesktop.org/attachment.cgi?id=136058=edit Workaround (Ubuntu 17.10 DRM 2.50.0 / 4.13.0-19-generic, LLVM 5.0.0) After testing new version of kernel on

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 --- Comment #16 from lazane...@gmail.com --- Created attachment 131532 --> https://bugs.freedesktop.org/attachment.cgi?id=131532=edit "dmesg | grep drm" output (4.12.rc2, libdrm 2.4.8) I updated libdrm and xorg from edgers ppa, and drm-tip

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 --- Comment #15 from lazane...@gmail.com --- Created attachment 131434 --> https://bugs.freedesktop.org/attachment.cgi?id=131434=edit Kernel oops at drm module (4.12.rc2 kernel) Just tested 4.12.rc2 kernel, and had another kernel oops in drm

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 --- Comment #14 from Valeriu Balaban --- Created attachment 131429 --> https://bugs.freedesktop.org/attachment.cgi?id=131429=edit Output of xrandr and dmesg I have the same issue on Ubuntu 16.04 LTS with Mate desktop that

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 --- Comment #13 from lazane...@gmail.com --- 4.12.rc1 kernel (from http://kernel.ubuntu.com/~kernel-ppa/mainline/) crashes at boot during DRM loading phase, just after internal display turns off. http://imgur.com/a/VBKv4 -- You are receiving

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 --- Comment #12 from lazane...@gmail.com --- Problem persists with Ubuntu 17.10 / DRM 2.49.0 / 4.11.0-041100rc8-lowlatency, LLVM 4.0.0 Tested all resolution options for all three of the monitors, and has been able to output either on HDMI and

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 --- Comment #11 from lazane...@gmail.com --- Problem persists with 4.11rc7 kernel. Should I try updating some other package? Also, I noticed that problem starts before X is active (at grub/systemd/ubuntu splash logo). With fglrx only internal

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 --- Comment #10 from lazane...@gmail.com --- Created attachment 130604 --> https://bugs.freedesktop.org/attachment.cgi?id=130604=edit xrandr outputs for radeon and fglrx Also there are a lot differences in xrandr outputs for fglrx and radeon,

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 --- Comment #9 from lazane...@gmail.com --- I changed resolution to 1280x768, and it disabled both internal monitor and VGA. After message box timed out and reverted resolution to 1366x768, VGA is now off and HDMI and internal are on. -- You

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 --- Comment #8 from Michel Dänzer --- I wonder if at least some of the issues could be related to the internal panel's horizontal resolution of 1366... Does setting a lower resolution on the internal panel make any

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 --- Comment #7 from lazane...@gmail.com --- Problem persists with kernel 4.11.rc4. I also made imgur post with relevant screenshots and explanations http://imgur.com/a/3kwiq -- You are receiving this mail because: You are the assignee for the

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 --- Comment #6 from lazane...@gmail.com --- Problem persists with DRM 2.49.0 / 4.10.1-041001-lowlatency, LLVM 3.9.1 -- You are receiving this mail because: You are the assignee for the bug.___

[Bug 99784] AMD 7470m When VGA plugged into laptop, only one monitor working at a time

https://bugs.freedesktop.org/show_bug.cgi?id=99784 Michel Dänzer changed: What|Removed |Added Component|Driver/Radeon |DRM/Radeon