https://bugs.freedesktop.org/show_bug.cgi?id=76367
--- Comment #8 from Don <[email protected]> --- I have a very similar issue if not exactly the same issue. Hardware: HP ZBook14 :> lspci |grep -i vga 00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b) 03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Mars [Radeon HD 8730M] X: > head /var/log/Xorg.0.log [ 8.195] X.Org X Server 1.14.4 Release Date: 2013-10-31 [ 8.195] X Protocol Version 11, Revision 0 [ 8.195] Build Operating System: 3.14.3-200.fc20.x86_64 [ 8.195] Current Operating System: Linux metis.amer.corp.local 3.17.2-200.fc20.x86_64 #1 SMP Tue Nov 4 18:04:56 UTC 2014 x86_64 [ 8.195] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.17.2-200.fc20.x86_64 root=UUID=589909ab-eb3b-41ee-9751-1f6fa8e3a605 ro vconsole.font=latarcyrheb-sun16 crashkernel=auto rhgb quiet LANG=en_US.UTF-8 [ 8.195] Build Date: 27 June 2014 01:35:28AM [ 8.195] Build ID: xorg-x11-server 1.14.4-11.fc20 [ 8.195] Current version of pixman: 0.30.0 > grep -iA4 radeon_drv.so /var/log/Xorg.0.log [ 8.207] (II) Loading /usr/lib64/xorg/modules/drivers/radeon_drv.so [ 8.207] (II) Module radeon: vendor="X.Org Foundation" [ 8.207] compiled for 1.14.3, module version = 7.2.99 [ 8.207] Module class: X.Org Video Driver [ 8.207] ABI class: X.Org Video Driver, version 14.1 > grep -iA4 intel_drv.so /var/log/Xorg.0.log [ 8.206] (II) Loading /usr/lib64/xorg/modules/drivers/intel_drv.so [ 8.206] (II) Module intel: vendor="X.Org Foundation" [ 8.206] compiled for 1.14.4, module version = 2.21.15 [ 8.206] Module class: X.Org Video Driver [ 8.206] ABI class: X.Org Video Driver, version 14.1 > xrandr --listproviders Providers: number : 3 Provider 0: id: 0x90 cap: 0xb, Source Output, Sink Output, Sink Offload crtcs: 3 outputs: 5 associated providers: 2 name:Intel Provider 1: id: 0x53 cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 2 outputs: 2 associated providers: 2 name:radeon Provider 2: id: 0x53 cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 2 outputs: 2 associated providers: 2 name:radeon The laptop (internal) screen works great. When docked, a monitor attached to the VGA (HD 15) port works great, but the same monitor attached to either of the DP ports does not redraw correctly. That is if I move a window there is a trail of pieces of the window from the original position to the new position. Similarly, if I do an `ls -la' in a window the files are not visible unless I slightly move the window, hit enter, or otherwise cause the screen to be redrawn. I have tried several different cable and monitor combinations all with the same result. I am happy to provide any additional info. Thanks, Don -- You are receiving this mail because: You are the assignee for the bug.
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