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Ubuntu 16.04 RX480 16.30.3-315407 driver crash when running VirtualBox 5.1.6

Question asked by nickmalthus on Oct 4, 2016

Whenever I try log into a Windows 10 guest the AMD driver segfaults and this appears in the syslog:

 

[  436.515336] vboxdrv: ffffffffc0871020 VMMR0.r0

[  436.816388] vboxdrv: ffffffffc07a8020 VBoxDDR0.r0

[  436.920760] vboxdrv: ffffffffc0006020 VBoxEhciR0.r0

[  838.183073] VDMA[3715]: segfault at 4 ip 00007f8f9a097cc0 sp 00007f8f7d3a9c30 error 4 in libdrm_amdgpu.so.1.0.0[7f8f9a096000+a000]

[  838.183166] amdgpu 0000:01:00.0: GPU fault detected: 146 0x04026014

[  838.183171] amdgpu 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x0011C080

[  838.183173] amdgpu 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x0B060014

[  838.183175] VM fault (0x14, vmid 5) at page 1163392, write from 'CB0' (0x43423000) (96)

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