On 2019-03-06 1:41 p.m., Paul Menzel wrote: > On 03/05/19 20:07, Alex Deucher wrote: >> On Tue, Mar 5, 2019 at 1:16 PM Paul Menzel wrote: > >>> Using the MST display Dell UP3214Q (two panels) with an AMD system, >>> the virtual monitor object is not created. GDM and Xfce consider both >>> panels as separate screens (`xrandr --listmonitors`). >>> >>> [ 0.000000] Linux version 4.20.13.mx64.248 (root@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 7.3.0 (GCC)) #1 SMP Wed Feb 27 14:10:55 CET 2019 >>> >>> [ 79.494297] [drm] DM_MST: stopping TM on aconnector: 00000000a8109331 [id: 56] >>> [ 79.494362] [drm] DM_MST: Disabling connector: 00000000776ea22b [id: 63] [master: 00000000a8109331] >>> [ 79.494406] [drm] DM_MST: Disabling connector: 00000000057ebdbb [id: 67] [master: 00000000a8109331] >>> [ 79.781882] snd_hda_intel 0000:00:1f.3: spurious response 0x0:0x2, last cmd=0x201f0500 >>> [ 86.028806] [drm] DM_MST: starting TM on aconnector: 00000000a8109331 [id: 56] >>> [ 86.053072] [drm] DM_MST: added connector: 000000001c9b49ed [id: 71] [master: 00000000a8109331] >>> [ 86.108540] [drm] SADs count is: -2, don't need to read it >>> [ 86.386661] [drm:create_stream_for_sink [amdgpu]] *ERROR* Failed to create stream for sink! >>> [ 87.237878] [drm] DM_MST: added connector: 00000000c3ffcbbb [id: 80] [master: 00000000a8109331] >>> [ 87.293028] [drm] SADs count is: -2, don't need to read it >>> [ 206.993344] [drm] DM_MST: stopping TM on aconnector: 00000000a8109331 [id: 56] >>> [ 206.993423] [drm] DM_MST: Disabling connector: 000000001c9b49ed [id: 71] [master: 00000000a8109331] >>> [ 206.993456] [drm] DM_MST: Disabling connector: 00000000c3ffcbbb [id: 80] [master: 00000000a8109331] >>> [ 207.548051] [drm:create_stream_for_sink [amdgpu]] *ERROR* Failed to create stream for sink! >>> [ 207.603193] [drm:create_stream_for_sink [amdgpu]] *ERROR* Failed to create stream for sink! >>> [ 207.762388] traps: xfdesktop[2225] general protection fault ip:7f588981226c sp:7ffee65af370 error:0 in libgobject-2.0.so.0.5800.1[7f58897da000+56000] >>> [ 210.320612] [drm] DM_MST: starting TM on aconnector: 00000000b456cd59 [id: 62] >>> [ 210.343497] [drm] DM_MST: added connector: 00000000735839d5 [id: 73] [master: 00000000b456cd59] >>> [ 210.399168] [drm] SADs count is: -2, don't need to read it >>> [ 210.404454] [drm] DM_MST: added connector: 00000000cccb0c2d [id: 88] [master: 00000000b456cd59] >>> [ 210.675589] [drm] SADs count is: -2, don't need to read it > > I didn’t provide the output of xrandr in my previous message. > > $ xrandr --listmonitors > Monitors: 2 > 0: +DisplayPort-9 1920/698x2160/392+0+0 DisplayPort-9 > 1: +DisplayPort-10 1920/698x2160/392+1920+0 DisplayPort-10 > > Please find the X.Org X Server log attached. > >>> With an Intel system, the monitor object is shown. > > To clarify, the modesetting driver is used with the Intel hardware. Does this work better with the modesetting driver on the AMD system? -- Earthling Michel Dänzer | https://www.amd.com Libre software enthusiast | Mesa and X developer _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
