Pulled from Linus' git repo yesterday, and got this on a Dell Latitude D620, on every boot since then. Updated to latest a couple of hours ago, and still seeing it. kernel config and lspci output attached. I'm not subscribed to lkml, please ensure I'm in the cc: or to: field on relevant replies. Feb 4 13:17:43 monet kernel: [drm:i915_gem_do_execbuffer] *ERROR* Invalid object handle 1073741824 at index 3 Feb 4 13:17:43 monet kernel: BUG: unable to handle kernel NULL pointer dereference at 000001ee Feb 4 13:17:43 monet kernel: IP: [] i915_gem_do_execbuffer+0xaec/0xc2a [i915] Feb 4 13:17:43 monet kernel: *pdpt = 00000000351fa001 *pde = 0000000000000000 Feb 4 13:17:43 monet kernel: Oops: 0000 [#1] SMP Feb 4 13:17:43 monet kernel: last sysfs file: /sys/devices/virtual/sound/timer/uevent Feb 4 13:17:43 monet kernel: Modules linked in: coretemp sunrpc ipv6 cpufreq_ondemand acpi_cpufreq dm_multipath uinput snd_hda_codec_idt arc4 ecb snd_hda_intel snd_hda_codec snd_hwdep iwl3945 snd_seq iwlcore snd_seq_device snd_pcm mac80211 dell_laptop iTCO_wdt snd_timer iTCO_vendor_support dcdbas cfg80211 snd yenta_socket rsrc_nonstatic i2c_i801 joydev rfkill tg3 soundcore snd_page_alloc ata_generic btrfs zlib_deflate libcrc32c i915 drm_kms_helper drm i2c_algo_bit i2c_core video output [last unloaded: microcode] Feb 4 13:17:43 monet kernel: Feb 4 13:17:43 monet kernel: Pid: 1402, comm: Xorg Not tainted 2.6.33-rc6 #5 0TD761/Latitude D620 Feb 4 13:17:43 monet kernel: EIP: 0060:[] EFLAGS: 00013202 CPU: 0 Feb 4 13:17:43 monet kernel: EIP is at i915_gem_do_execbuffer+0xaec/0xc2a [i915] Feb 4 13:17:43 monet kernel: EAX: 0000019e EBX: fffffff7 ECX: ffffffff EDX: f50f5e14 Feb 4 13:17:43 monet kernel: ESI: 00000004 EDI: f51db0c0 EBP: f50f5dec ESP: f50f5d78 Feb 4 13:17:43 monet kernel: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Feb 4 13:17:43 monet kernel: Process Xorg (pid: 1402, ti=f50f4000 task=f52ec1f0 task.ti=f50f4000) Feb 4 13:17:43 monet kernel: Stack: Feb 4 13:17:43 monet kernel: c09b03c0 00000001 00000000 f5135034 00000002 c09af340 000012d0 f52a7540 Feb 4 13:17:43 monet kernel: <0> f531c200 000a5db4 f7536020 00000000 f531d000 c0972230 f84109a8 f50f5de4 Feb 4 13:17:43 monet kernel: <0> 00000000 f51db0c0 f767e000 00000120 f7536000 f50f5dd4 c05b4b74 f50f5dec Feb 4 13:17:43 monet kernel: Call Trace: Feb 4 13:17:43 monet kernel: [] ? drm_malloc_ab+0x37/0x56 [i915] Feb 4 13:17:43 monet kernel: [] ? might_fault+0x1e/0x20 Feb 4 13:17:43 monet kernel: [] ? _copy_from_user+0x36/0x11a Feb 4 13:17:43 monet kernel: [] ? i915_gem_execbuffer+0x1a2/0x21d [i915] Feb 4 13:17:43 monet kernel: [] ? _lock_kernel+0x64/0x74 Feb 4 13:17:43 monet kernel: [] ? drm_ioctl+0x267/0x322 [drm] Feb 4 13:17:43 monet kernel: [] ? i915_gem_execbuffer+0x0/0x21d [i915] Feb 4 13:17:43 monet kernel: [] ? try_get_mem_cgroup_from_mm+0x2e/0x3c Feb 4 13:17:43 monet kernel: [] ? __mem_cgroup_try_charge+0x3d/0x201 Feb 4 13:17:43 monet kernel: [] ? handle_IRQ_event+0xfc/0x107 Feb 4 13:17:43 monet kernel: [] ? file_has_perm+0x8f/0xa9 Feb 4 13:17:43 monet kernel: [] ? vfs_ioctl+0x2c/0x96 Feb 4 13:17:43 monet kernel: [] ? drm_ioctl+0x0/0x322 [drm] Feb 4 13:17:43 monet kernel: [] ? do_vfs_ioctl+0x491/0x4cf Feb 4 13:17:43 monet kernel: [] ? selinux_file_ioctl+0x43/0x46 Feb 4 13:17:43 monet kernel: [] ? sys_ioctl+0x46/0x66 Feb 4 13:17:43 monet kernel: [] ? sysenter_do_call+0x12/0x2d Feb 4 13:17:43 monet kernel: Code: c3 c7 45 cc 00 00 00 00 31 f6 8b 7d d0 eb 09 8b 04 b7 46 e8 26 c0 ff ff 3b 75 cc 7c f2 31 f6 8b 7d d0 eb 1a 8b 04 b7 85 c0 74 0a <8b> 40 50 c7 40 64 00 00 00 00 8b 04 b7 46 e8 74 c0 ff ff 8b 55 Feb 4 13:17:43 monet kernel: EIP: [] i915_gem_do_execbuffer+0xaec/0xc2a [i915] SS:ESP 0068:f50f5d78 Feb 4 13:17:43 monet kernel: CR2: 00000000000001ee Feb 4 13:17:43 monet kernel: ---[ end trace fb712c7f3ab483f4 ]--- -- chuck[dot]lever[at]oracle[dot]com