Problem persists in kernel 4.16.11 #uname -r 4.16.11-041611-generic
#ls /sys/class/drm card0 card0-eDP-1 card0-HDMI-A-1 renderD128 ttm version #dmesg | grep drm [ 1.783188] [drm] radeon kernel modesetting enabled. [ 1.784832] fb: switching to radeondrmfb from EFI VGA [ 1.831813] [drm] amdgpu kernel modesetting enabled. [ 1.840215] [drm] initializing kernel modesetting (KAVERI 0x1002:0x130A 0x17AA:0x3988 0x00). [ 1.840237] [drm] register mmio base: 0xF0B00000 [ 1.840239] [drm] register mmio size: 262144 [ 1.865264] [drm] BIOS signature incorrect 0 0 [ 1.865367] [drm] vm size is 64 GB, 2 levels, block size is 10-bit, fragment size is 9-bit [ 1.865387] [drm] Detected VRAM RAM=1024M, BAR=1024M [ 1.865390] [drm] RAM width 64bits UNKNOWN [ 1.865779] [drm] amdgpu: 1024M of VRAM memory ready [ 1.865783] [drm] amdgpu: 3072M of GTT memory ready. [ 1.865807] [drm] GART: num cpu pages 262144, num gpu pages 262144 [ 1.865894] [drm] PCIE GART of 1024M enabled (table at 0x000000F400040000). [ 1.866040] [drm] Internal thermal controller without fan control [ 1.866046] [drm] amdgpu: dpm initialized [ 1.867349] [drm] Found UVD firmware Version: 1.55 Family ID: 9 [ 1.867789] [drm] Found VCE firmware Version: 50.10 Binary ID: 2 [ 1.869984] [drm:construct [amdgpu]] *ERROR* construct: Invalid Connector ObjectID from Adapter Service for connector index:3! type 0 expected 3 [ 1.870074] [drm:construct [amdgpu]] *ERROR* construct: Invalid Connector ObjectID from Adapter Service for connector index:4! type 0 expected 3 [ 1.870200] [drm:construct [amdgpu]] *ERROR* construct: Invalid Connector ObjectID from Adapter Service for connector index:5! type 0 expected 3 [ 1.870309] [drm:construct [amdgpu]] *ERROR* construct: Invalid Connector ObjectID from Adapter Service for connector index:6! type 0 expected 3 [ 1.884255] [drm] Display Core initialized with v3.1.27! [ 1.891240] [drm] SADs count is: -2, don't need to read it [ 1.891668] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 1.891674] [drm] Driver supports precise vblank timestamp query. [ 1.910078] [drm] UVD initialized successfully. [ 2.026666] [drm] VCE initialized successfully. [ 2.056074] [drm] fb mappable at 0xA042A000 [ 2.056083] [drm] vram apper at 0xA0000000 [ 2.056087] [drm] size 8294400 [ 2.056090] [drm] fb depth is 24 [ 2.056093] [drm] pitch is 7680 [ 2.056218] fbcon: amdgpudrmfb (fb0) is primary device [ 2.113975] amdgpu 0000:00:01.0: fb0: amdgpudrmfb frame buffer device [ 2.130285] [drm] Initialized amdgpu 3.23.0 20150101 for 0000:00:01.0 on minor 0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1761751 Title: Black screen on 18.04 + AMD RX460 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1761751/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
