radeon: Add more verbose error message for failed command buffer.

diff --git a/src/mesa/drivers/dri/radeon/radeon_common.c b/src/mesa/drivers/dri/radeon/radeon_common.c
index e53eb0904d23c69f0ddf0f19ad826f3cbb5f420b..a4c7b40798aef10746958dd6260a292467e15f26 100644 (file)
--- a/src/mesa/drivers/dri/radeon/radeon_common.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common.c
@@ -1234,7 +1234,9 @@ int rcommonFlushCmdBuf(radeonContextPtr rmesa, const char *caller)
        UNLOCK_HARDWARE(rmesa);
 
        if (ret) {
-               fprintf(stderr, "drmRadeonCmdBuffer: %d\n", ret);
+               fprintf(stderr, "drmRadeonCmdBuffer: %d. Kernel failed to "
+                               "parse or rejected command stream. See dmesg "
+                               "for more info.\n", ret);
                _mesa_exit(ret);
        }