I found same issues here. [ 1384.901951] [drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA (-512) [ 1453.198866] [drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA (-512) [ 2215.773607] [drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA (-512) [ 2351.238014] [drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA (-512) [ 3877.903397] [drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA (-512) Self compiled kernel from Linus git. 3.19-rc2+ right now.