KMS with Intel Graphic fails

[Stephan Raue]

Hi all,

i dont know if this are the right place for my problem. but anyone can 
help me.

i am trying kms with a intel chipset, linux-2.6.31-rc3, recent 
mesa-master and libdrm-master from yesterday and i am become follow 
error when i am inserting i915.ko:

(output of dmesg, lsmod and kernel-config attached)

what is wrong? is this a bug? have anyone also this problem?

[    2.105376] i915 0000:00:02.0: power state changed by ACPI to D0
[    2.105489] i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[    2.105598] i915 0000:00:02.0: setting latency timer to 64
[    2.108792] BUG: unable to handle kernel NULL pointer dereference at 
(null)
[    2.109046] IP: [<(null)>] (null)
[    2.109224] *pde = 00000000
[    2.109397] Oops: 0000 [#1] PREEMPT SMP
[    2.109716] last sysfs file: 
/sys/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/type
[    2.109856] Modules linked in: led_class ieee1394 snd_hda_intel(+) 
snd_hda_codec snd_pcm snd_timer snd soundcore snd_page_alloc i2c_i801 
i915(+) drm ehci_hcd(+) uhci_hcd(+) i2c_algo_bit video backlight output 
e1000e usbcore
[    2.111508]
[    2.111612] Pid: 1018, comm: modprobe Not tainted (2.6.31-rc3 #1) 7667V4E
[    2.111723] EIP: 0060:[<00000000>] EFLAGS: 00010246 CPU: 1
[    2.111833] EIP is at 0x0
[    2.111935] EAX: 00000000 EBX: c1fa3ba0 ECX: c1fed76c EDX: c1fa3ba0
[    2.112042] ESI: f6b1c110 EDI: 00000000 EBP: f69dfd60 ESP: f69dfd48
[    2.112042]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[    2.112042] Process modprobe (pid: 1018, ti=f69de000 task=f64283f0 
task.ti=f69de000)
[    2.112042] Stack:
[    2.112042]  c0156da4 f6b5c000 00000000 f6836b00 f69c8660 00000000 
f69dfd70 c0156e2c
[    2.112572] <0> 00000000 f6836b00 f69dfd90 f830600f 00000000 f6b1c110 
00000020 f6836b00
[    2.112572] <0> f69c8660 f6b5c000 f69dfdc4 f83064c9 000080d0 f6b5cca0 
f6b5ccdc f6b5ccd4
[    2.112572] Call Trace:
[    2.112572]  [<c0156da4>] ? read_cache_page_async+0x72/0xee
[    2.112572]  [<c0156e2c>] ? read_cache_page+0xc/0x3c
[    2.112572]  [<f830600f>] ? i915_gem_object_get_pages+0x8c/0xd7 [i915]
[    2.112572]  [<f83064c9>] ? i915_gem_object_bind_to_gtt+0x167/0x20f 
[i915]
[    2.112572]  [<f830658d>] ? i915_gem_object_pin+0x1c/0x149 [i915]
[    2.112572]  [<f82ad853>] ? drm_gem_object_alloc+0x69/0xaa [drm]
[    2.112572]  [<f8306853>] ? i915_gem_init_ringbuffer+0x199/0x3de [i915]
[    2.112572]  [<f82ffa59>] ? i915_driver_load+0x907/0x9da [i915]
[    2.112572]  [<f82afa14>] ? drm_get_dev+0x2b8/0x395 [drm]
[    2.112572]  [<f83181fc>] ? i915_pci_probe+0xd/0x8a [i915]
[    2.112572]  [<c0257c52>] ? local_pci_probe+0xe/0x10
[    2.112572]  [<c0257dfc>] ? pci_device_probe+0x43/0x66
[    2.112572]  [<c02aeed2>] ? driver_probe_device+0x79/0xed
[    2.112572]  [<c02aef89>] ? __driver_attach+0x43/0x5f
[    2.112572]  [<c02ae766>] ? bus_for_each_dev+0x3d/0x67
[    2.112572]  [<c02aedab>] ? driver_attach+0x14/0x16
[    2.112572]  [<c02aef46>] ? __driver_attach+0x0/0x5f
[    2.112572]  [<c02aeb0b>] ? bus_add_driver+0x8f/0x1bc
[    2.112572]  [<c02af1b7>] ? driver_register+0x79/0xe0
[    2.112572]  [<c011eaaf>] ? finish_task_switch+0x56/0x95
[    2.112572]  [<c02580fe>] ? __pci_register_driver+0x38/0x96
[    2.112572]  [<f82ac508>] ? drm_init+0x5d/0xb5 [drm]
[    2.112572]  [<f832a046>] ? i915_init+0x46/0x48 [i915]
[    2.112572]  [<c010104f>] ? do_one_initcall+0x4a/0x10c
[    2.112572]  [<f832a000>] ? i915_init+0x0/0x48 [i915]
[    2.112572]  [<c011f3e1>] ? try_to_wake_up+0x196/0x1a0
[    2.112572]  [<c011b304>] ? need_resched+0x14/0x1e
[    2.112572]  [<c0372de9>] ? preempt_schedule+0x3d/0x43
[    2.112572]  [<c01439db>] ? sys_init_module+0xa7/0x1b8
[    2.112572]  [<c0102931>] ? syscall_call+0x7/0xb
[    2.112572] Code:  Bad EIP value.
[    2.112572] EIP: [<00000000>] 0x0 SS:ESP 0068:f69dfd48
[    2.112572] CR2: 0000000000000000
[    2.135981] ---[ end trace f30cb2ef8529a6f3 ]---


Stephan

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