oops on 2.6.30-rc3-mm1

[jan sonnek]

I get this oops, when I try to start my X windows (startx)
I have some bug later, but when I switch off some new modules, I was able to start X windows.

Later:
------------

http://bugzilla.kernel.org/show_bug.cgi?id=12619

Now:
------------

BUG: unable to handle kernel NULL pointer dereference at 00000040
IP: [<c015409c>] balance_dirty_pages_ratelimited_nr+0x10/0x29b
*pde = 36b28067 *pte = 00000000
Oops: 0000 [#1] PREEMPT SMP
last sysfs file: /sys/devices/virtual/dmi/id/chassis_asset_tag
Modules linked in: sco bnep l2cap bluetooth coretemp hwmon ipv6 fuse iwl3945 iwlcore sdhci_pci sr_mod sg sdhci ohci1394 ieee1394 cdrom mmc_core battery mac80211 led_class ricoh_mmc cfg80211 usb_storage [last unloaded: scsi_wait_scan]

Pid: 2867, comm: X Not tainted (2.6.30-rc3-mm1-hanny #27) F3F
EIP: 0060:[<c015409c>] EFLAGS: 00213296 CPU: 0
EIP is at balance_dirty_pages_ratelimited_nr+0x10/0x29b
EAX: 00000000 EBX: 00000008 ECX: 00000000 EDX: 00000001
ESI: 00000000 EDI: 5f372067 EBP: f69a1eec ESP: f69a1e84
 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process X (pid: 2867, ti=f69a1000 task=f7164380 task.ti=f69a1000)
Stack:
 f69a1e8c c03691fe f69a1eac 00203292 000000d0 00203292 f7001324 f6ad4474
 000f877d 000f877e f69a1ebc c023ea66 f6b003e0 f6b003e0 f69a1ec4 c03691fe
 f69a1ed8 c017e704 c1be6e40 f6ad43a8 f6823600 00000000 c049f9c0 c1be6e40
Call Trace:
 [<c03691fe>] ? _spin_unlock+0x19/0x24
 [<c023ea66>] ? drm_vm_open_locked+0x5b/0x94
 [<c03691fe>] ? _spin_unlock+0x19/0x24
 [<c017e704>] ? mnt_drop_write+0x6d/0xe6
 [<c015d26c>] ? __do_fault+0x283/0x2bd
 [<c015e784>] ? handle_mm_fault+0x1f7/0x454
 [<c0115472>] ? do_page_fault+0x1e0/0x1ef
 [<c0115292>] ? do_page_fault+0x0/0x1ef
 [<c03694dd>] ? error_code+0x6d/0x74
 [<c0115292>] ? do_page_fault+0x0/0x1ef
Code: e8 af 7a 00 00 89 f0 25 c0 00 00 00 3d c0 00 00 00 74 a1 8d 65 f4 5b 5e 5f c9 c3 55 89 e5 57 56 89 c6 53 bb 08 00 00 00 83 ec 5c <8b> 40 40 83 78 70 00 89 e0 0f 44 1d d8 73 45 c0 25 00 f0 ff ff
EIP: [<c015409c>] balance_dirty_pages_ratelimited_nr+0x10/0x29b SS:ESP 0068:f69a1e84
CR2: 0000000000000040
---[ end trace 84b1cd49fe3274a1 ]---
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