Fix the message, not the fault :)
This is what I see:
[  282.108597] [drm:i915_check_and_clear_faults] Unexpected fault
[  282.108597] 	Addr: 0x00000000\n	Address space: PPGTT
[  282.108597] 	Source ID: 24
[  282.108597] 	Type: 0
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
                fault_reg = I915_READ(RING_FAULT_REG(ring));
                if (fault_reg & RING_FAULT_VALID) {
                        DRM_DEBUG_DRIVER("Unexpected fault\n"
-                                        "\tAddr: 0x%08lx\\n"
+                                        "\tAddr: 0x%08lx\n"
                                         "\tAddress space: %s\n"
                                         "\tSource ID: %d\n"
                                         "\tType: %d\n",