After plug two monitor i see this errors in dmesg (first monitor connected in HDMI, second in DisplayPort): kernel: [drm:radeon_cs_parser_relocs [radeon]] *ERROR* gem object lookup failed 0xa kernel: [drm:radeon_cs_ioctl [radeon]] *ERROR* Failed to parse relocation -2! kernel: radeon 0000:01:00.0: GPU fault detected: 146 0x0ec35014 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00105B76 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x03050014 kernel: VM fault (0x04, vmid 1) at page 1071990, write from CB (80) kernel: radeon 0000:01:00.0: GPU fault detected: 146 0x0e835014 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00105B57 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x03010014 kernel: VM fault (0x04, vmid 1) at page 1071959, write from CB (16) kernel: radeon 0000:01:00.0: GPU fault detected: 146 0x0ee36014 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00105C3E kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x03020014 kernel: VM fault (0x04, vmid 1) at page 1072190, write from CB (32) kernel: radeon 0000:01:00.0: GPU fault detected: 146 0x0ec36014 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00105CC0 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x03010014 kernel: VM fault (0x04, vmid 1) at page 1072320, write from CB (16) kernel: radeon 0000:01:00.0: GPU fault detected: 146 0x0ee35014 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00105D36 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x03060014 kernel: VM fault (0x04, vmid 1) at page 1072438, write from CB (96) kernel: radeon 0000:01:00.0: GPU fault detected: 146 0x0e836014 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00105D9C kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x03050014 kernel: VM fault (0x04, vmid 1) at page 1072540, write from CB (80) kernel: radeon 0000:01:00.0: GPU fault detected: 146 0x0ea35014 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00105E12 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x03010014 kernel: VM fault (0x04, vmid 1) at page 1072658, write from CB (16) kernel: radeon 0000:01:00.0: GPU fault detected: 146 0x07435014 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00105B38 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x03010014 kernel: VM fault (0x04, vmid 1) at page 1071928, write from CB (16) kernel: radeon 0000:01:00.0: GPU fault detected: 146 0x07035014 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00105BA3 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x03010014 kernel: VM fault (0x04, vmid 1) at page 1072035, write from CB (16) kernel: radeon 0000:01:00.0: GPU fault detected: 146 0x07035014 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00105C26 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x03060014 kernel: VM fault (0x04, vmid 1) at page 1072166, write from CB (96) kernel: radeon 0000:01:00.0: GPU fault detected: 146 0x07236014 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00105C23 kernel: radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x03020014 installed: kernel-default-4.18.5-1.6.x86_64 libdrm_radeon1-32bit-2.4.93-1.1.x86_64 libdrm_amdgpu1-2.4.93-1.1.x86_64 libdrm_nouveau2-2.4.93-1.1.x86_64 libva-drm2-2.2.0-1.1.x86_64 libdrm_nouveau2-32bit-2.4.93-1.1.x86_64 libdrm2-2.4.93-1.1.x86_64 libdrm_intel1-32bit-2.4.93-1.1.x86_64 libdrm_intel1-2.4.93-1.1.x86_64 libdrm_radeon1-2.4.93-1.1.x86_64 libdrm2-32bit-2.4.93-1.1.x86_64 libdrm_amdgpu1-32bit-2.4.93-1.1.x86_64 libdrm-devel-2.4.93-1.1.x86_64 Mesa-libGLESv2-2-18.1.6-207.1.x86_64 Mesa-dri-32bit-18.1.6-205.1.x86_64 libOSMesa8-18.1.6-207.1.x86_64 Mesa-libva-18.1.6-207.1.x86_64 Mesa-libEGL1-18.1.6-207.1.x86_64 Mesa-gallium-18.1.6-207.1.x86_64 Mesa-libEGL-devel-18.1.6-207.1.x86_64 Mesa-libEGL1-32bit-18.1.6-207.1.x86_64 Mesa-gallium-32bit-18.1.6-205.1.x86_64 Mesa-libGL1-18.1.6-207.1.x86_64 Mesa-libglapi0-18.1.6-207.1.x86_64 Mesa-libd3d-32bit-18.1.6-205.1.x86_64 Mesa-dri-18.1.6-207.1.x86_64 Mesa-libglapi0-32bit-18.1.6-207.1.x86_64 Mesa-libGL-devel-18.1.6-207.1.x86_64 Mesa-demo-x-8.4.0-1.3.x86_64 Mesa-libd3d-18.1.6-207.1.x86_64 Mesa-32bit-18.1.6-207.1.x86_64 libOSMesa8-32bit-18.1.6-207.1.x86_64 Mesa-libGL1-32bit-18.1.6-207.1.x86_64 Mesa-18.1.6-207.1.x86_64 xorg-x11-server-1.20.1-1.1.x86_64 hardware: Radeon HD7770
*** This bug has been marked as a duplicate of bug 105381 ***
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