Have you compiled with --enable-debug option to get more information from MESA? What's your INTEL chipset? arthur@arthur-laptop:/sys/class/drm/card0/device$ cat device 0x0046 const static struct pci_device_id pciidlist[] = { INTEL_VGA_DEVICE(0x3577, &intel_i830_info), INTEL_VGA_DEVICE(0x2562, &intel_845g_info), INTEL_VGA_DEVICE(0x3582, &intel_i85x_info), INTEL_VGA_DEVICE(0x35e8, &intel_i85x_info), INTEL_VGA_DEVICE(0x2572, &intel_i865g_info), INTEL_VGA_DEVICE(0x2582, &intel_i915g_info), INTEL_VGA_DEVICE(0x258a, &intel_i915g_info), INTEL_VGA_DEVICE(0x2592, &intel_i915gm_info), INTEL_VGA_DEVICE(0x2772, &intel_i945g_info), INTEL_VGA_DEVICE(0x27a2, &intel_i945gm_info), INTEL_VGA_DEVICE(0x27ae, &intel_i945gm_info), INTEL_VGA_DEVICE(0x2972, &intel_i965g_info), INTEL_VGA_DEVICE(0x2982, &intel_i965g_info), INTEL_VGA_DEVICE(0x2992, &intel_i965g_info), INTEL_VGA_DEVICE(0x29a2, &intel_i965g_info), INTEL_VGA_DEVICE(0x29b2, &intel_g33_info), INTEL_VGA_DEVICE(0x29c2, &intel_g33_info), INTEL_VGA_DEVICE(0x29d2, &intel_g33_info), INTEL_VGA_DEVICE(0x2a02, &intel_i965gm_info), INTEL_VGA_DEVICE(0x2a12, &intel_i965gm_info), INTEL_VGA_DEVICE(0x2a42, &intel_gm45_info), INTEL_VGA_DEVICE(0x2e02, &intel_g45_info), INTEL_VGA_DEVICE(0x2e12, &intel_g45_info), INTEL_VGA_DEVICE(0x2e22, &intel_g45_info), INTEL_VGA_DEVICE(0x2e32, &intel_g45_info), INTEL_VGA_DEVICE(0x2e42, &intel_g45_info), INTEL_VGA_DEVICE(0xa001, &intel_pineview_info), INTEL_VGA_DEVICE(0xa011, &intel_pineview_info), INTEL_VGA_DEVICE(0x0042, &intel_ironlake_d_info), INTEL_VGA_DEVICE(0x0046, &intel_ironlake_m_info), {0, 0, 0} }; Arthur