[  597.698727] BUG: unable to handle kernel NULL pointer dereference at 000003d0
[  597.699685] IP: [<c148faea>] _raw_spin_lock+0x15/0x27
[  597.699685] *pde = 00000000 
[  597.699685] Oops: 0002 [#1] PREEMPT SMP 
[  597.699685] last sysfs file: /sys/devices/pci0000:00/0000:00:1f.1/host0/target0:0:0/0:0:0:0/block/sda/uevent
[  597.699685] Modules linked in:
[  597.699685] 
[  597.699685] Pid: 0, comm: swapper Not tainted 2.6.36-rc6+ #7 Latitude C640            /Latitude C640                   
[  597.699685] EIP: 0060:[<c148faea>] EFLAGS: 00010002 CPU: 0
[  597.699685] EIP is at _raw_spin_lock+0x15/0x27
[  597.699685] EAX: 00000100 EBX: 000003d0 ECX: 00000012 EDX: dfb5058c
[  597.699685] ESI: 000003d0 EDI: 00000000 EBP: c1681e58 ESP: c1681e54
[  597.699685]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[  597.699685] Process swapper (pid: 0, ti=c1680000 task=c1696e60 task.ti=c1680000)
[  597.699685] Stack:
[  597.699685]  dfb5058c c1681e6c c141e1ed dfb5059c dfb505dc dfb5058c c1681ee4 c1304b4b
[  597.699685] <0> 00000000 dfb50590 df94f800 00000001 e07e6c00 00000000 0000001f 0000003c
[  597.699685] <0> 00000004 00000012 dfb50000 dfb5058c 12681eac dfb50710 dfb5059c c129dcb1
[  597.699685] Call Trace:
[  597.699685]  [<c141e1ed>] ? dect_transceiver_queue_event+0x1b/0x60
[  597.699685]  [<c1304b4b>] ? sc1442x_interrupt+0x590/0x5e1
[  597.699685]  [<c129dcb1>] ? boomerang_interrupt+0x260/0x26d
[  597.699685]  [<c106e99f>] ? handle_IRQ_event+0x69/0x13a
[  597.699685]  [<c10701a9>] ? handle_level_irq+0x60/0xb2
[  597.699685]  [<c1003f96>] ? handle_irq+0x1a/0x20
[  597.699685]  [<c1003976>] ? do_IRQ+0x45/0x9f
[  597.699685]  [<c1002ee9>] ? common_interrupt+0x29/0x30
[  597.699685]  [<c104007b>] ? freeze_workqueues_begin+0x2a/0xef
[  597.699685]  [<c11f8217>] ? acpi_idle_enter_simple+0xf7/0x123
[  597.699685]  [<c13089df>] ? cpuidle_idle_call+0x80/0x101
[  597.699685]  [<c1001c95>] ? cpu_idle+0x45/0xc0
[  597.699685]  [<c147a938>] ? rest_init+0x98/0x9b
[  597.699685]  [<c170988c>] ? start_kernel+0x2c6/0x2cb
[  597.699685]  [<c17090b7>] ? i386_start_kernel+0xb7/0xbf
[  597.699685] Code: 00 3e 66 0f c1 03 38 e0 74 06 f3 90 8a 03 eb f6 89 f0 5b 5e 5d c3 55 89 e5 53 89 c3 b8 01 00 00 00 e8 61 2a 00 00 b8 00 01 00 00 <3e> 66 0f c1 03 38 e0 74 06 f3 90 8a 03 eb f6 5b 5d c3 55 89 e5 
[  597.699685] EIP: [<c148faea>] _raw_spin_lock+0x15/0x27 SS:ESP 0068:c1681e54
[  597.699685] CR2: 00000000000003d0
[  597.699685] ---[ end trace dd1f6628ec32d12d ]---
[  597.699685] Kernel panic - not syncing: Fatal exception in interrupt
[  597.699685] Pid: 0, comm: swapper Tainted: G      D     2.6.36-rc6+ #7
[  597.699685] Call Trace:
[  597.699685]  [<c148dd02>] ? printk+0xf/0x11
[  597.699685]  [<c148dbf9>] panic+0x5a/0x154
[  597.699685]  [<c1490d70>] oops_end+0x8b/0x9a
[  597.699685]  [<c101ab98>] no_context+0x114/0x11e
[  597.699685]  [<c101acd2>] __bad_area_nosemaphore+0x130/0x138
[  597.699685]  [<c1022c05>] ? check_preempt_curr_idle+0xe/0x10
[  597.699685]  [<c1022ac0>] ? check_preempt_curr+0x25/0x35
[  597.699685]  [<c1026d60>] ? ttwu_post_activation+0x5b/0x11f
[  597.699685]  [<c1006d68>] ? native_sched_clock+0x42/0x7d
[  597.699685]  [<c10483c9>] ? sched_clock_local+0x17/0x123
[  597.699685]  [<c101ace7>] bad_area_nosemaphore+0xd/0x10
[  597.699685]  [<c149236d>] do_page_fault+0x13e/0x287
[  597.699685]  [<c149222f>] ? do_page_fault+0x0/0x287
[  597.699685]  [<c1490452>] error_code+0x5a/0x60
[  597.699685]  [<c149222f>] ? do_page_fault+0x0/0x287
[  597.699685]  [<c148faea>] ? _raw_spin_lock+0x15/0x27
[  597.699685]  [<c141e1ed>] dect_transceiver_queue_event+0x1b/0x60
[  597.699685]  [<c1304b4b>] sc1442x_interrupt+0x590/0x5e1
[  597.699685]  [<c129dcb1>] ? boomerang_interrupt+0x260/0x26d
[  597.699685]  [<c106e99f>] handle_IRQ_event+0x69/0x13a
[  597.699685]  [<c10701a9>] handle_level_irq+0x60/0xb2
[  597.699685]  [<c1003f96>] handle_irq+0x1a/0x20
[  597.699685]  [<c1003976>] do_IRQ+0x45/0x9f
[  597.699685]  [<c1002ee9>] common_interrupt+0x29/0x30
[  597.699685]  [<c104007b>] ? freeze_workqueues_begin+0x2a/0xef
[  597.699685]  [<c11f8217>] ? acpi_idle_enter_simple+0xf7/0x123
[  597.699685]  [<c13089df>] cpuidle_idle_call+0x80/0x101
[  597.699685]  [<c1001c95>] cpu_idle+0x45/0xc0
[  597.699685]  [<c147a938>] rest_init+0x98/0x9b
[  597.699685]  [<c170988c>] start_kernel+0x2c6/0x2cb
[  597.699685]  [<c17090b7>] i386_start_kernel+0xb7/0xbf